From 8f43298d967d715628b9b17d357cb9169a3606bf Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 21:09:36 +0100
Subject: Show local issues and MRs in "This X closes... / closed by..."
 sentence

---
 app/helpers/issues_helper.rb                       | 6 +++++-
 app/helpers/merge_requests_helper.rb               | 6 +++++-
 app/models/merge_request.rb                        | 2 +-
 app/views/projects/issues/_closed_by_box.html.haml | 2 +-
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index 493f370d9a9..b45d4e1ea8e 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -84,7 +84,11 @@ module IssuesHelper
   end
 
   def merge_requests_sentence(merge_requests)
-    merge_requests.map(&:to_reference).to_sentence(last_word_connector: ', or ')
+    # Sorting based on the `!123` or `group/project!123` reference will sort
+    # local merge requests first.
+    merge_requests.map do |merge_request|
+      merge_request.to_reference(@project)
+    end.sort.to_sentence(last_word_connector: ', or ')
   end
 
   def url_to_emoji(name)
diff --git a/app/helpers/merge_requests_helper.rb b/app/helpers/merge_requests_helper.rb
index b804d4f4e3b..a6010721dff 100644
--- a/app/helpers/merge_requests_helper.rb
+++ b/app/helpers/merge_requests_helper.rb
@@ -39,7 +39,11 @@ module MergeRequestsHelper
   end
 
   def issues_sentence(issues)
-    issues.map(&:to_reference).to_sentence
+    # Sorting based on the `#123` or `group/project#123` reference will sort
+    # local issues first.
+    issues.map do |issue|
+      issue.to_reference(@project)
+    end.sort.to_sentence
   end
 
   def mr_change_branches_path(merge_request)
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 1b3d6079d2c..939df8cd8d1 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -316,7 +316,7 @@ class MergeRequest < ActiveRecord::Base
       issues = commits.flat_map { |c| c.closes_issues(current_user) }
       issues.push(*Gitlab::ClosingIssueExtractor.new(project, current_user).
                   closed_by_message(description))
-      issues.uniq.sort_by(&:id)
+      issues.uniq
     else
       []
     end
diff --git a/app/views/projects/issues/_closed_by_box.html.haml b/app/views/projects/issues/_closed_by_box.html.haml
index aef352029d0..917d5181689 100644
--- a/app/views/projects/issues/_closed_by_box.html.haml
+++ b/app/views/projects/issues/_closed_by_box.html.haml
@@ -1,3 +1,3 @@
 .issue-closed-by-widget
   = icon('check')
-  This issue will be closed automatically when merge request #{gfm(merge_requests_sentence(@closed_by_merge_requests.sort))} is accepted.
+  This issue will be closed automatically when merge request #{gfm(merge_requests_sentence(@closed_by_merge_requests))} is accepted.
-- 
cgit v1.2.1


From a7be01cd07430a4302668224947b2ed135c2d7bb Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 21:10:52 +0100
Subject: Render commit range reference with short shas, link to full shas.

---
 app/models/commit_range.rb                         |  70 ++++++++-----
 .../markdown/commit_range_reference_filter_spec.rb |   7 +-
 spec/models/commit_range_spec.rb                   | 111 +++++++++------------
 3 files changed, 94 insertions(+), 94 deletions(-)

diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index 86fc9eb01a3..fd23e24aff6 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -2,12 +2,12 @@
 #
 # Examples:
 #
-#   range = CommitRange.new('f3f85602...e86e1013')
+#   range = CommitRange.new('f3f85602...e86e1013', project)
 #   range.exclude_start?  # => false
 #   range.reference_title # => "Commits f3f85602 through e86e1013"
 #   range.to_s            # => "f3f85602...e86e1013"
 #
-#   range = CommitRange.new('f3f856029bc5f966c5a7ee24cf7efefdd20e6019..e86e1013709735be5bb767e2b228930c543f25ae')
+#   range = CommitRange.new('f3f856029bc5f966c5a7ee24cf7efefdd20e6019..e86e1013709735be5bb767e2b228930c543f25ae', project)
 #   range.exclude_start?  # => true
 #   range.reference_title # => "Commits f3f85602^ through e86e1013"
 #   range.to_param        # => {from: "f3f856029bc5f966c5a7ee24cf7efefdd20e6019^", to: "e86e1013709735be5bb767e2b228930c543f25ae"}
@@ -21,7 +21,7 @@ class CommitRange
   include ActiveModel::Conversion
   include Referable
 
-  attr_reader :sha_from, :notation, :sha_to
+  attr_reader :commit_from, :notation, :commit_to
 
   # Optional Project model
   attr_accessor :project
@@ -53,17 +53,22 @@ class CommitRange
   # project      - An optional Project model.
   #
   # Raises ArgumentError if `range_string` does not match `PATTERN`.
-  def initialize(range_string, project = nil)
+  def initialize(range_string, project)
+    @project = project
+
     range_string.strip!
 
     unless range_string.match(/\A#{PATTERN}\z/)
       raise ArgumentError, "invalid CommitRange string format: #{range_string}"
     end
 
-    @exclude_start = !range_string.include?('...')
-    @sha_from, @notation, @sha_to = range_string.split(/(\.{2,3})/, 2)
+    ref_from, @notation, ref_to = range_string.split(/(\.{2,3})/, 2)
 
-    @project = project
+    @exclude_start = @notation == '..'
+    if project.valid_repo?
+      @commit_from = project.commit(ref_from)
+      @commit_to   = project.commit(ref_to)
+    end
   end
 
   def inspect
@@ -71,15 +76,16 @@ class CommitRange
   end
 
   def to_s
-    "#{sha_from[0..7]}#{notation}#{sha_to[0..7]}"
+    sha_from + notation + sha_to
   end
 
+  alias_method :id, :to_s
+
   def to_reference(from_project = nil)
-    # Not using to_s because we want the full SHAs
-    reference = sha_from + notation + sha_to
+    reference = Commit.truncate_sha(sha_from) + notation + Commit.truncate_sha(sha_to)
 
     if cross_project_reference?(from_project)
-      reference = project.to_reference + '@' + reference
+      reference = project.to_reference + self.class.reference_prefix + reference
     end
 
     reference
@@ -87,14 +93,14 @@ class CommitRange
 
   # Returns a String for use in a link's title attribute
   def reference_title
-    "Commits #{suffixed_sha_from} through #{sha_to}"
+    "Commits #{sha_start} through #{sha_to}"
   end
 
   # Return a Hash of parameters for passing to a URL helper
   #
   # See `namespace_project_compare_url`
   def to_param
-    { from: suffixed_sha_from, to: sha_to }
+    { from: sha_start, to: sha_to }
   end
 
   def exclude_start?
@@ -105,28 +111,42 @@ class CommitRange
   # repository
   #
   # project - An optional Project to check (default: `project`)
-  def valid_commits?(project = project)
-    return nil   unless project.present?
-    return false unless project.valid_repo?
-
-    commit_from.present? && commit_to.present?
+  def valid_commits?
+    commit_start.present? && commit_end.present?
   end
 
   def persisted?
     true
   end
 
-  def commit_from
-    @commit_from ||= project.repository.commit(suffixed_sha_from)
+  def sha_from
+    return nil unless @commit_from
+
+    @commit_from.id
   end
 
-  def commit_to
-    @commit_to ||= project.repository.commit(sha_to)
+  def sha_to
+    return nil unless @commit_to
+
+    @commit_to.id
+  end
+
+  def sha_start
+    return nil unless sha_from
+
+    exclude_start? ? sha_from + '^' : sha_from
   end
 
-  private
+  def commit_start
+    return nil unless sha_start
 
-  def suffixed_sha_from
-    sha_from + (exclude_start? ? '^' : '')
+    if exclude_start?
+      @commit_start ||= project.commit(sha_start)
+    else
+      commit_from
+    end
   end
+
+  alias_method :sha_end, :sha_to
+  alias_method :commit_end, :commit_to
 end
diff --git a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
index e5b8d723fe5..e078ff26814 100644
--- a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
@@ -8,8 +8,8 @@ module Gitlab::Markdown
     let(:commit1) { project.commit }
     let(:commit2) { project.commit("HEAD~2") }
 
-    let(:range)  { CommitRange.new("#{commit1.id}...#{commit2.id}") }
-    let(:range2) { CommitRange.new("#{commit1.id}..#{commit2.id}") }
+    let(:range)  { CommitRange.new("#{commit1.id}...#{commit2.id}", project) }
+    let(:range2) { CommitRange.new("#{commit1.id}..#{commit2.id}", project) }
 
     it 'requires project context' do
       expect { described_class.call('') }.to raise_error(ArgumentError, /:project/)
@@ -53,7 +53,7 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("See (#{reference}.)")
 
-        exp = Regexp.escape(range.to_s)
+        exp = Regexp.escape(range.to_reference)
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
       end
 
@@ -62,6 +62,7 @@ module Gitlab::Markdown
 
         expect(project).to receive(:valid_repo?).and_return(true)
         expect(project.repository).to receive(:commit).with(commit1.id.reverse)
+        expect(project.repository).to receive(:commit).with(commit2.id)
         expect(filter(act).to_html).to eq exp
       end
 
diff --git a/spec/models/commit_range_spec.rb b/spec/models/commit_range_spec.rb
index 1031af097bd..58283f06972 100644
--- a/spec/models/commit_range_spec.rb
+++ b/spec/models/commit_range_spec.rb
@@ -7,50 +7,56 @@ describe CommitRange do
     it { is_expected.to include_module(Referable) }
   end
 
-  let(:sha_from) { 'f3f85602' }
-  let(:sha_to)   { 'e86e1013' }
+  let!(:project) { create(:project, :public) }
+  let!(:commit1) { project.commit("HEAD~2") }
+  let!(:commit2) { project.commit }
 
-  let(:range)  { described_class.new("#{sha_from}...#{sha_to}") }
-  let(:range2) { described_class.new("#{sha_from}..#{sha_to}") }
+  let(:sha_from) { commit1.short_id }
+  let(:sha_to)   { commit2.short_id }
+
+  let(:full_sha_from) { commit1.id }
+  let(:full_sha_to)   { commit2.id }
+
+  let(:range)  { described_class.new("#{sha_from}...#{sha_to}", project) }
+  let(:range2) { described_class.new("#{sha_from}..#{sha_to}", project) }
 
   it 'raises ArgumentError when given an invalid range string' do
-    expect { described_class.new("Foo") }.to raise_error(ArgumentError)
+    expect { described_class.new("Foo", project) }.to raise_error(ArgumentError)
   end
 
   describe '#to_s' do
     it 'is correct for three-dot syntax' do
-      expect(range.to_s).to eq "#{sha_from[0..7]}...#{sha_to[0..7]}"
+      expect(range.to_s).to eq "#{full_sha_from}...#{full_sha_to}"
     end
 
     it 'is correct for two-dot syntax' do
-      expect(range2.to_s).to eq "#{sha_from[0..7]}..#{sha_to[0..7]}"
+      expect(range2.to_s).to eq "#{full_sha_from}..#{full_sha_to}"
     end
   end
 
   describe '#to_reference' do
-    let(:project) { double('project', to_reference: 'namespace1/project') }
+    let(:cross) { create(:project) }
 
-    before do
-      range.project = project
+    it 'returns a String reference to the object' do
+      expect(range.to_reference).to eq "#{sha_from}...#{sha_to}"
     end
 
     it 'returns a String reference to the object' do
-      expect(range.to_reference).to eq range.to_s
+      expect(range2.to_reference).to eq "#{sha_from}..#{sha_to}"
     end
 
     it 'supports a cross-project reference' do
-      cross = double('project')
-      expect(range.to_reference(cross)).to eq "#{project.to_reference}@#{range.to_s}"
+      expect(range.to_reference(cross)).to eq "#{project.to_reference}@#{sha_from}...#{sha_to}"
     end
   end
 
   describe '#reference_title' do
     it 'returns the correct String for three-dot ranges' do
-      expect(range.reference_title).to eq "Commits #{sha_from} through #{sha_to}"
+      expect(range.reference_title).to eq "Commits #{full_sha_from} through #{full_sha_to}"
     end
 
     it 'returns the correct String for two-dot ranges' do
-      expect(range2.reference_title).to eq "Commits #{sha_from}^ through #{sha_to}"
+      expect(range2.reference_title).to eq "Commits #{full_sha_from}^ through #{full_sha_to}"
     end
   end
 
@@ -60,11 +66,11 @@ describe CommitRange do
     end
 
     it 'includes the correct values for a three-dot range' do
-      expect(range.to_param).to eq({ from: sha_from, to: sha_to })
+      expect(range.to_param).to eq({ from: full_sha_from, to: full_sha_to })
     end
 
     it 'includes the correct values for a two-dot range' do
-      expect(range2.to_param).to eq({ from: sha_from + '^', to: sha_to })
+      expect(range2.to_param).to eq({ from: full_sha_from + '^', to: full_sha_to })
     end
   end
 
@@ -79,64 +85,37 @@ describe CommitRange do
   end
 
   describe '#valid_commits?' do
-    context 'without a project' do
-      it 'returns nil' do
-        expect(range.valid_commits?).to be_nil
+    context 'with a valid repo' do
+      before do
+        expect(project).to receive(:valid_repo?).and_return(true)
       end
-    end
 
-    it 'accepts an optional project argument' do
-      project1 = double('project1').as_null_object
-      project2 = double('project2').as_null_object
+      it 'is false when `sha_from` is invalid' do
+        expect(project).to receive(:commit).with(sha_from).and_return(nil)
+        expect(project).to receive(:commit).with(sha_to).and_call_original
 
-      # project1 gets assigned through the accessor, but ignored when not given
-      # as an argument to `valid_commits?`
-      expect(project1).not_to receive(:present?)
-      range.project = project1
+        expect(range).not_to be_valid_commits
+      end
 
-      # project2 gets passed to `valid_commits?`
-      expect(project2).to receive(:present?).and_return(false)
+      it 'is false when `sha_to` is invalid' do
+        expect(project).to receive(:commit).with(sha_from).and_call_original
+        expect(project).to receive(:commit).with(sha_to).and_return(nil)
 
-      range.valid_commits?(project2)
-    end
+        expect(range).not_to be_valid_commits
+      end
 
-    context 'with a project' do
-      let(:project) { double('project', repository: double('repository')) }
-
-      context 'with a valid repo' do
-        before do
-          expect(project).to receive(:valid_repo?).and_return(true)
-          range.project = project
-        end
-
-        it 'is false when `sha_from` is invalid' do
-          expect(project.repository).to receive(:commit).with(sha_from).and_return(false)
-          expect(project.repository).not_to receive(:commit).with(sha_to)
-          expect(range).not_to be_valid_commits
-        end
-
-        it 'is false when `sha_to` is invalid' do
-          expect(project.repository).to receive(:commit).with(sha_from).and_return(true)
-          expect(project.repository).to receive(:commit).with(sha_to).and_return(false)
-          expect(range).not_to be_valid_commits
-        end
-
-        it 'is true when both `sha_from` and `sha_to` are valid' do
-          expect(project.repository).to receive(:commit).with(sha_from).and_return(true)
-          expect(project.repository).to receive(:commit).with(sha_to).and_return(true)
-          expect(range).to be_valid_commits
-        end
+      it 'is true when both `sha_from` and `sha_to` are valid' do
+        expect(range).to be_valid_commits
       end
+    end
 
-      context 'without a valid repo' do
-        before do
-          expect(project).to receive(:valid_repo?).and_return(false)
-          range.project = project
-        end
+    context 'without a valid repo' do
+      before do
+        expect(project).to receive(:valid_repo?).and_return(false)
+      end
 
-        it 'returns false' do
-          expect(range).not_to be_valid_commits
-        end
+      it 'returns false' do
+        expect(range).not_to be_valid_commits
       end
     end
   end
-- 
cgit v1.2.1


From d6a5b45c8ea5ec7a68e213636fde405c52bb90e4 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 21:14:46 +0100
Subject: Recognize issue/MR/snippet/commit links as references.

---
 app/models/commit.rb                               | 15 +++--
 app/models/commit_range.rb                         | 11 +++-
 app/models/concerns/referable.rb                   | 19 ++++++
 app/models/issue.rb                                | 11 +++-
 app/models/merge_request.rb                        | 11 +++-
 app/models/snippet.rb                              | 11 +++-
 lib/gitlab/markdown.rb                             |  5 +-
 lib/gitlab/markdown/abstract_reference_filter.rb   | 31 +++++++---
 .../markdown/commit_range_reference_filter.rb      | 70 ++++++----------------
 lib/gitlab/markdown/commit_reference_filter.rb     | 68 +++++----------------
 lib/gitlab/markdown/external_link_filter.rb        |  3 +
 .../markdown/merge_request_reference_filter.rb     | 10 ++++
 lib/gitlab/markdown/redactor_filter.rb             |  5 +-
 .../markdown/commit_range_reference_filter_spec.rb | 39 +++++++++++-
 .../markdown/commit_reference_filter_spec.rb       | 31 ++++++++++
 .../gitlab/markdown/issue_reference_filter_spec.rb | 32 ++++++++++
 .../merge_request_reference_filter_spec.rb         | 29 ++++++++-
 .../markdown/snippet_reference_filter_spec.rb      | 30 ++++++++++
 18 files changed, 301 insertions(+), 130 deletions(-)

diff --git a/app/models/commit.rb b/app/models/commit.rb
index 492f6be1ce3..fc03d2580d7 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -73,16 +73,23 @@ class Commit
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      (?:#{Project.reference_pattern}#{reference_prefix})?
-      (?<commit>\h{6,40})
+      #{link_reference_pattern} |
+      (?:
+        (?:#{Project.reference_pattern}#{reference_prefix})?
+        (?<commit>\h{6,40})
+      )
     }x
   end
 
+  def self.link_reference_pattern
+    super("commit", /(?<commit>\h{6,40})/)
+  end
+
   def to_reference(from_project = nil)
     if cross_project_reference?(from_project)
-      "#{project.to_reference}@#{id}"
+      project.to_reference + self.class.reference_prefix + self.short_id
     else
-      id
+      self.short_id
     end
   end
 
diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index fd23e24aff6..98067771b71 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -42,11 +42,18 @@ class CommitRange
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      (?:#{Project.reference_pattern}#{reference_prefix})?
-      (?<commit_range>#{PATTERN})
+      #{link_reference_pattern} |
+      (?:
+        (?:#{Project.reference_pattern}#{reference_prefix})?
+        (?<commit_range>#{PATTERN})
+      )
     }x
   end
 
+  def self.link_reference_pattern
+    super("compare", /(?<commit_range>#{PATTERN})/)
+  end
+
   # Initialize a CommitRange
   #
   # range_string - The String commit range.
diff --git a/app/models/concerns/referable.rb b/app/models/concerns/referable.rb
index cced66cc1e4..16e4d054869 100644
--- a/app/models/concerns/referable.rb
+++ b/app/models/concerns/referable.rb
@@ -44,6 +44,25 @@ module Referable
     def reference_pattern
       raise NotImplementedError, "#{self} does not implement #{__method__}"
     end
+
+    def link_reference_pattern(route, pattern)
+      %r{
+        (?<url>
+          #{Regexp.escape(Gitlab.config.gitlab.url)}
+          \/#{Project.reference_pattern}
+          \/#{Regexp.escape(route)}
+          \/#{pattern}
+          (?<path>
+            (\/[a-z0-9_=-]+)*
+          )?
+          (?<query>
+            \?[a-z0-9_=-]+
+            (&[a-z0-9_=-]+)*
+          )?
+          (?<anchor>\#[a-z0-9_-]+)?
+        )
+      }x
+    end
   end
 
   private
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 72183108033..e62acfdfd91 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -64,11 +64,18 @@ class Issue < ActiveRecord::Base
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      (#{Project.reference_pattern})?
-      #{Regexp.escape(reference_prefix)}(?<issue>\d+)
+      #{link_reference_pattern} |
+      (?:
+        (#{Project.reference_pattern})?
+        #{Regexp.escape(reference_prefix)}(?<issue>\d+)
+      )
     }x
   end
 
+  def self.link_reference_pattern
+    super("issues", /(?<issue>\d+)/)
+  end
+
   def to_reference(from_project = nil)
     reference = "#{self.class.reference_prefix}#{iid}"
 
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 939df8cd8d1..c1d3874adee 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -146,11 +146,18 @@ class MergeRequest < ActiveRecord::Base
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      (#{Project.reference_pattern})?
-      #{Regexp.escape(reference_prefix)}(?<merge_request>\d+)
+      #{link_reference_pattern} |
+      (?:
+        (#{Project.reference_pattern})?
+        #{Regexp.escape(reference_prefix)}(?<merge_request>\d+)
+      )
     }x
   end
 
+  def self.link_reference_pattern
+    super("merge_requests", /(?<merge_request>\d+)/)
+  end
+
   def to_reference(from_project = nil)
     reference = "#{self.class.reference_prefix}#{iid}"
 
diff --git a/app/models/snippet.rb b/app/models/snippet.rb
index b0831982aa7..8ec12ddf6ef 100644
--- a/app/models/snippet.rb
+++ b/app/models/snippet.rb
@@ -60,11 +60,18 @@ class Snippet < ActiveRecord::Base
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      (#{Project.reference_pattern})?
-      #{Regexp.escape(reference_prefix)}(?<snippet>\d+)
+      #{link_reference_pattern} |
+      (?:
+        (#{Project.reference_pattern})?
+        #{Regexp.escape(reference_prefix)}(?<snippet>\d+)
+      )
     }x
   end
 
+  def self.link_reference_pattern
+    super("snippets", /(?<snippet>\d+)/)
+  end
+
   def to_reference(from_project = nil)
     reference = "#{self.class.reference_prefix}#{id}"
 
diff --git a/lib/gitlab/markdown.rb b/lib/gitlab/markdown.rb
index b082bfc434b..ee458eda025 100644
--- a/lib/gitlab/markdown.rb
+++ b/lib/gitlab/markdown.rb
@@ -181,8 +181,6 @@ module Gitlab
         Gitlab::Markdown::RelativeLinkFilter,
         Gitlab::Markdown::EmojiFilter,
         Gitlab::Markdown::TableOfContentsFilter,
-        Gitlab::Markdown::AutolinkFilter,
-        Gitlab::Markdown::ExternalLinkFilter,
 
         Gitlab::Markdown::UserReferenceFilter,
         Gitlab::Markdown::IssueReferenceFilter,
@@ -193,6 +191,9 @@ module Gitlab
         Gitlab::Markdown::CommitReferenceFilter,
         Gitlab::Markdown::LabelReferenceFilter,
 
+        Gitlab::Markdown::AutolinkFilter,
+        Gitlab::Markdown::ExternalLinkFilter,
+
         Gitlab::Markdown::TaskListFilter
       ]
     end
diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index fd5b7eb9332..4adc44361b7 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -40,7 +40,7 @@ module Gitlab
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
         text.gsub(object_class.reference_pattern) do |match|
-          yield match, $~[object_sym].to_i, $~[:project]
+          yield match, $~[object_sym].to_i, $~[:project], $~
         end
       end
 
@@ -74,26 +74,41 @@ module Gitlab
       # Returns a String with references replaced with links. All links
       # have `gfm` and `gfm-OBJECT_NAME` class names attached for styling.
       def object_link_filter(text)
-        references_in(text) do |match, id, project_ref|
+        references_in(text) do |match, id, project_ref, matches|
           project = project_from_ref(project_ref)
 
           if project && object = find_object(project, id)
-            title = escape_once("#{object_title}: #{object.title}")
+            title = escape_once(object_link_title(object))
             klass = reference_class(object_sym)
-            data  = data_attribute(project: project.id, object_sym => object.id)
-            url = url_for_object(object, project)
+            data  = data_attribute(project: project.id, object_sym => object.id, original: match)
+            url = matches[:url] || url_for_object(object, project)
+
+            text = object.to_reference(context[:project])
+
+            extras = object_link_text_extras(object, matches)
+            text += " (#{extras.join(", ")})" if extras.any?
 
             %(<a href="#{url}" #{data}
                  title="#{title}"
-                 class="#{klass}">#{match}</a>)
+                 class="#{klass}">#{text}</a>)
           else
             match
           end
         end
       end
 
-      def object_title
-        object_class.name.titleize
+      def object_link_text_extras(object, matches)
+        extras = []
+
+        if matches[:anchor] && matches[:anchor] =~ /\A\#note_(\d+)\z/
+          extras << "comment #{$1}"
+        end
+
+        extras
+      end
+
+      def object_link_title(object)
+        "#{object_class.name.titleize}: #{object.title}"
       end
     end
   end
diff --git a/lib/gitlab/markdown/commit_range_reference_filter.rb b/lib/gitlab/markdown/commit_range_reference_filter.rb
index e070edae0a4..f24bed76193 100644
--- a/lib/gitlab/markdown/commit_range_reference_filter.rb
+++ b/lib/gitlab/markdown/commit_range_reference_filter.rb
@@ -5,24 +5,14 @@ module Gitlab
     # HTML filter that replaces commit range references with links.
     #
     # This filter supports cross-project references.
-    class CommitRangeReferenceFilter < ReferenceFilter
-      include CrossProjectReference
+    class CommitRangeReferenceFilter < AbstractReferenceFilter
+      def self.object_class
+        CommitRange
+      end
 
-      # Public: Find commit range references in text
-      #
-      #   CommitRangeReferenceFilter.references_in(text) do |match, commit_range, project_ref|
-      #     "<a href=...>#{commit_range}</a>"
-      #   end
-      #
-      # text - String text to search.
-      #
-      # Yields the String match, the String commit range, and an optional String
-      # of the external project reference.
-      #
-      # Returns a String replaced with the return of the block.
       def self.references_in(text)
         text.gsub(CommitRange.reference_pattern) do |match|
-          yield match, $~[:commit_range], $~[:project]
+          yield match, $~[:commit_range], $~[:project], $~
         end
       end
 
@@ -31,9 +21,9 @@ module Gitlab
         return unless project
 
         id = node.attr("data-commit-range")
-        range = CommitRange.new(id, project)
+        range = find_object(project, id)
 
-        return unless range.valid_commits?
+        return unless range
 
         { commit_range: range }
       end
@@ -44,49 +34,25 @@ module Gitlab
         @commit_map = {}
       end
 
-      def call
-        replace_text_nodes_matching(CommitRange.reference_pattern) do |content|
-          commit_range_link_filter(content)
-        end
-      end
-
-      # Replace commit range references in text with links to compare the commit
-      # ranges.
-      #
-      # text - String text to replace references in.
-      #
-      # Returns a String with commit range references replaced with links. All
-      # links have `gfm` and `gfm-commit_range` class names attached for
-      # styling.
-      def commit_range_link_filter(text)
-        self.class.references_in(text) do |match, id, project_ref|
-          project = self.project_from_ref(project_ref)
-
-          range = CommitRange.new(id, project)
-
-          if range.valid_commits?
-            url = url_for_commit_range(project, range)
-
-            title = range.reference_title
-            klass = reference_class(:commit_range)
-            data  = data_attribute(project: project.id, commit_range: id)
+      def self.find_object(project, id)
+        range = CommitRange.new(id, project)
 
-            project_ref += '@' if project_ref
+        range.valid_commits? ? range : nil
+      end
 
-            %(<a href="#{url}" #{data}
-                 title="#{title}"
-                 class="#{klass}">#{project_ref}#{range}</a>)
-          else
-            match
-          end
-        end
+      def find_object(*args)
+        self.class.find_object(*args)
       end
 
-      def url_for_commit_range(project, range)
+      def url_for_object(range, project)
         h = Gitlab::Application.routes.url_helpers
         h.namespace_project_compare_url(project.namespace, project,
                                         range.to_param.merge(only_path: context[:only_path]))
       end
+
+      def object_link_title(range)
+        range.reference_title
+      end
     end
   end
 end
diff --git a/lib/gitlab/markdown/commit_reference_filter.rb b/lib/gitlab/markdown/commit_reference_filter.rb
index 8cdbeb1f9cf..cc7abc08c87 100644
--- a/lib/gitlab/markdown/commit_reference_filter.rb
+++ b/lib/gitlab/markdown/commit_reference_filter.rb
@@ -5,24 +5,14 @@ module Gitlab
     # HTML filter that replaces commit references with links.
     #
     # This filter supports cross-project references.
-    class CommitReferenceFilter < ReferenceFilter
-      include CrossProjectReference
+    class CommitReferenceFilter < AbstractReferenceFilter
+      def self.object_class
+        Commit
+      end
 
-      # Public: Find commit references in text
-      #
-      #   CommitReferenceFilter.references_in(text) do |match, commit, project_ref|
-      #     "<a href=...>#{commit}</a>"
-      #   end
-      #
-      # text - String text to search.
-      #
-      # Yields the String match, the String commit identifier, and an optional
-      # String of the external project reference.
-      #
-      # Returns a String replaced with the return of the block.
       def self.references_in(text)
         text.gsub(Commit.reference_pattern) do |match|
-          yield match, $~[:commit], $~[:project]
+          yield match, $~[:commit], $~[:project], $~
         end
       end
 
@@ -31,58 +21,32 @@ module Gitlab
         return unless project
 
         id = node.attr("data-commit")
-        commit = commit_from_ref(project, id)
+        commit = find_object(project, id)
 
         return unless commit
 
         { commit: commit }
       end
 
-      def call
-        replace_text_nodes_matching(Commit.reference_pattern) do |content|
-          commit_link_filter(content)
-        end
-      end
-
-      # Replace commit references in text with links to the commit specified.
-      #
-      # text - String text to replace references in.
-      #
-      # Returns a String with commit references replaced with links. All links
-      # have `gfm` and `gfm-commit` class names attached for styling.
-      def commit_link_filter(text)
-        self.class.references_in(text) do |match, id, project_ref|
-          project = self.project_from_ref(project_ref)
-
-          if commit = self.class.commit_from_ref(project, id)
-            url = url_for_commit(project, commit)
-
-            title = escape_once(commit.link_title)
-            klass = reference_class(:commit)
-            data  = data_attribute(project: project.id, commit: id)
-
-            project_ref += '@' if project_ref
-
-            %(<a href="#{url}" #{data}
-                 title="#{title}"
-                 class="#{klass}">#{project_ref}#{commit.short_id}</a>)
-          else
-            match
-          end
-        end
-      end
-
-      def self.commit_from_ref(project, id)
+      def self.find_object(project, id)
         if project && project.valid_repo?
           project.commit(id)
         end
       end
 
-      def url_for_commit(project, commit)
+      def find_object(*args)
+        self.class.find_object(*args)
+      end
+
+      def url_for_object(commit, project)
         h = Gitlab::Application.routes.url_helpers
         h.namespace_project_commit_url(project.namespace, project, commit,
                                         only_path: context[:only_path])
       end
+
+      def object_link_title(commit)
+        commit.link_title
+      end
     end
   end
 end
diff --git a/lib/gitlab/markdown/external_link_filter.rb b/lib/gitlab/markdown/external_link_filter.rb
index 29e51b6ade6..b6792932016 100644
--- a/lib/gitlab/markdown/external_link_filter.rb
+++ b/lib/gitlab/markdown/external_link_filter.rb
@@ -10,6 +10,9 @@ module Gitlab
         doc.search('a').each do |node|
           next unless node.has_attribute?('href')
 
+          klass = node.attribute('class')
+          next if klass && klass.include?('gfm')
+
           link = node.attribute('href').value
 
           # Skip non-HTTP(S) links
diff --git a/lib/gitlab/markdown/merge_request_reference_filter.rb b/lib/gitlab/markdown/merge_request_reference_filter.rb
index 1f47f03c94e..3780a14a130 100644
--- a/lib/gitlab/markdown/merge_request_reference_filter.rb
+++ b/lib/gitlab/markdown/merge_request_reference_filter.rb
@@ -20,6 +20,16 @@ module Gitlab
         h.namespace_project_merge_request_url(project.namespace, project, mr,
                                             only_path: context[:only_path])
       end
+
+      def object_link_text_extras(object, matches)
+        extras = super
+
+        if matches[:path] && matches[:path] == '/diffs'
+          extras.unshift "diffs"
+        end
+
+        extras
+      end
     end
   end
 end
diff --git a/lib/gitlab/markdown/redactor_filter.rb b/lib/gitlab/markdown/redactor_filter.rb
index a1f3a8a8ebf..2a58c798f9f 100644
--- a/lib/gitlab/markdown/redactor_filter.rb
+++ b/lib/gitlab/markdown/redactor_filter.rb
@@ -12,7 +12,10 @@ module Gitlab
       def call
         doc.css('a.gfm').each do |node|
           unless user_can_reference?(node)
-            node.replace(node.text)
+            # The reference should be replaced by the original text,
+            # which is not always the same as the rendered text.
+            text = node.attribute('data-original') || node.text
+            node.replace(text)
           end
         end
 
diff --git a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
index e078ff26814..753140d60e6 100644
--- a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
@@ -125,7 +125,44 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("Fixed (#{reference}.)")
 
-        exp = Regexp.escape("#{project2.to_reference}@#{range.to_s}")
+        exp = Regexp.escape("#{project2.to_reference}@#{range.to_reference}")
+        expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
+      end
+
+      it 'ignores invalid commit IDs on the referenced project' do
+        exp = act = "Fixed #{project2.to_reference}@#{commit1.id.reverse}...#{commit2.id}"
+        expect(filter(act).to_html).to eq exp
+
+        exp = act = "Fixed #{project2.to_reference}@#{commit1.id}...#{commit2.id.reverse}"
+        expect(filter(act).to_html).to eq exp
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("See #{reference}")
+        expect(result[:references][:commit_range]).not_to be_empty
+      end
+    end
+
+    context 'URL cross-project reference' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:project, :public, namespace: namespace) }
+      let(:reference) { urls.namespace_project_compare_url(project2.namespace, project2, range.to_param) }
+
+      before do
+        range.project = project2
+      end
+
+      it 'links to a valid reference' do
+        doc = filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq urls.namespace_project_compare_url(project2.namespace, project2, range.to_param)
+      end
+
+      it 'links with adjacent text' do
+        doc = filter("Fixed (#{reference}.)")
+
+        exp = Regexp.escape(range.to_reference(project))
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
       end
 
diff --git a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
index d080efbf3d4..c1bcf29b1ba 100644
--- a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
@@ -131,5 +131,36 @@ module Gitlab::Markdown
         expect(result[:references][:commit]).not_to be_empty
       end
     end
+
+    context 'URL cross-project reference' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:project, :public, namespace: namespace) }
+      let(:commit)    { project2.commit }
+      let(:reference) { urls.namespace_project_commit_url(project2.namespace, project2, commit.id) }
+
+      it 'links to a valid reference' do
+        doc = filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq urls.namespace_project_commit_url(project2.namespace, project2, commit.id)
+      end
+
+      it 'links with adjacent text' do
+        doc = filter("Fixed (#{reference}.)")
+
+        exp = Regexp.escape(project2.to_reference)
+        expect(doc.to_html).to match(/\(<a.+>#{commit.to_reference(project)}<\/a>\.\)/)
+      end
+
+      it 'ignores invalid commit IDs on the referenced project' do
+        exp = act = "Committed #{invalidate_reference(reference)}"
+        expect(filter(act).to_html).to eq exp
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("See #{reference}")
+        expect(result[:references][:commit]).not_to be_empty
+      end
+    end
   end
 end
diff --git a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
index 94c80ae6611..296e8868f46 100644
--- a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
@@ -135,5 +135,37 @@ module Gitlab::Markdown
         expect(result[:references][:issue]).to eq [issue]
       end
     end
+
+    context 'URL cross-project reference' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:empty_project, :public, namespace: namespace) }
+      let(:issue)     { create(:issue, project: project2) }
+      let(:reference) { helper.url_for_issue(issue.iid, project2) + "#note_123" }
+
+      it 'ignores valid references when cross-reference project uses external tracker' do
+        expect_any_instance_of(Project).to receive(:get_issue).
+          with(issue.iid).and_return(nil)
+
+        exp = act = "Issue #{reference}"
+        expect(filter(act).to_html).to eq exp
+      end
+
+      it 'links to a valid reference' do
+        doc = filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq reference
+      end
+
+      it 'links with adjacent text' do
+        doc = filter("Fixed (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(issue.to_reference(project))} \(comment 123\)<\/a>\.\)/)
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Fixed #{reference}")
+        expect(result[:references][:issue]).to eq [issue]
+      end
+    end
   end
 end
diff --git a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
index 3ef6cdfff33..49d8a6e44da 100644
--- a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
@@ -89,7 +89,7 @@ module Gitlab::Markdown
     context 'cross-project reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:project, :public, namespace: namespace) }
-      let(:merge)     { create(:merge_request, source_project: project2) }
+      let(:merge)     { create(:merge_request, source_project: project2, target_project: project2) }
       let(:reference) { merge.to_reference(project) }
 
       it 'links to a valid reference' do
@@ -97,7 +97,7 @@ module Gitlab::Markdown
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_merge_request_url(project2.namespace,
-                                                        project, merge)
+                                                        project2, merge)
       end
 
       it 'links with adjacent text' do
@@ -116,5 +116,30 @@ module Gitlab::Markdown
         expect(result[:references][:merge_request]).to eq [merge]
       end
     end
+
+    context 'URL cross-project reference' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:project, :public, namespace: namespace) }
+      let(:merge)     { create(:merge_request, source_project: project2, target_project: project2) }
+      let(:reference) { urls.namespace_project_merge_request_url(project2.namespace,
+                                                    project2, merge) + '/diffs#note_123' }
+
+      it 'links to a valid reference' do
+        doc = filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq reference
+      end
+
+      it 'links with adjacent text' do
+        doc = filter("Merge (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(merge.to_reference(project))} \(diffs, comment 123\)<\/a>\.\)/)
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Merge #{reference}")
+        expect(result[:references][:merge_request]).to eq [merge]
+      end
+    end
   end
 end
diff --git a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
index 9d9652dba46..3080a8a3608 100644
--- a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
@@ -114,5 +114,35 @@ module Gitlab::Markdown
         expect(result[:references][:snippet]).to eq [snippet]
       end
     end
+
+    context 'URL cross-project reference' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:empty_project, :public, namespace: namespace) }
+      let(:snippet)   { create(:project_snippet, project: project2) }
+      let(:reference) { urls.namespace_project_snippet_url(project2.namespace, project2, snippet) }
+
+      it 'links to a valid reference' do
+        doc = filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq urls.namespace_project_snippet_url(project2.namespace, project2, snippet)
+      end
+
+      it 'links with adjacent text' do
+        doc = filter("See (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(snippet.to_reference(project))}<\/a>\.\)/)
+      end
+
+      it 'ignores invalid snippet IDs on the referenced project' do
+        exp = act = "See #{invalidate_reference(reference)}"
+
+        expect(filter(act).to_html).to eq exp
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Snippet #{reference}")
+        expect(result[:references][:snippet]).to eq [snippet]
+      end
+    end
   end
 end
-- 
cgit v1.2.1


From f9017a2b0384eef3f99ec2f3f1f2ef156afff2b8 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 21:15:19 +0100
Subject: Have ClosingIssueExtractor recognize all referenced issues

---
 config/initializers/1_settings.rb     |  2 +-
 lib/gitlab/closing_issue_extractor.rb | 14 ++++++++++----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/config/initializers/1_settings.rb b/config/initializers/1_settings.rb
index 62619241001..63d8ae17436 100644
--- a/config/initializers/1_settings.rb
+++ b/config/initializers/1_settings.rb
@@ -164,7 +164,7 @@ Settings.gitlab['signin_enabled'] ||= true if Settings.gitlab['signin_enabled'].
 Settings.gitlab['twitter_sharing_enabled'] ||= true if Settings.gitlab['twitter_sharing_enabled'].nil?
 Settings.gitlab['restricted_visibility_levels'] = Settings.send(:verify_constant_array, Gitlab::VisibilityLevel, Settings.gitlab['restricted_visibility_levels'], [])
 Settings.gitlab['username_changing_enabled'] = true if Settings.gitlab['username_changing_enabled'].nil?
-Settings.gitlab['issue_closing_pattern'] = '((?:[Cc]los(?:e[sd]?|ing)|[Ff]ix(?:e[sd]|ing)?|[Rr]esolv(?:e[sd]?|ing)) +(?:(?:issues? +)?#\d+(?:(?:, *| +and +)?))+)' if Settings.gitlab['issue_closing_pattern'].nil?
+Settings.gitlab['issue_closing_pattern'] = '((?:[Cc]los(?:e[sd]?|ing)|[Ff]ix(?:e[sd]|ing)?|[Rr]esolv(?:e[sd]?|ing)) +(?:(?:issues? +)?%{issue_ref}(?:(?:, *| +and +)?))+)' if Settings.gitlab['issue_closing_pattern'].nil?
 Settings.gitlab['default_projects_features'] ||= {}
 Settings.gitlab['webhook_timeout'] ||= 10
 Settings.gitlab['max_attachment_size'] ||= 10
diff --git a/lib/gitlab/closing_issue_extractor.rb b/lib/gitlab/closing_issue_extractor.rb
index aeec595782c..70b9943d7eb 100644
--- a/lib/gitlab/closing_issue_extractor.rb
+++ b/lib/gitlab/closing_issue_extractor.rb
@@ -1,6 +1,10 @@
 module Gitlab
   class ClosingIssueExtractor
-    ISSUE_CLOSING_REGEX = Regexp.new(Gitlab.config.gitlab.issue_closing_pattern)
+    ISSUE_CLOSING_REGEX = begin
+      pattern = Gitlab.config.gitlab.issue_closing_pattern
+      pattern = pattern.sub('%{issue_ref}', "(?:#{Issue.reference_pattern})")
+      Regexp.new(pattern).freeze
+    end
 
     def initialize(project, current_user = nil)
       @extractor = Gitlab::ReferenceExtractor.new(project, current_user)
@@ -9,10 +13,12 @@ module Gitlab
     def closed_by_message(message)
       return [] if message.nil?
 
-      closing_statements = message.scan(ISSUE_CLOSING_REGEX).
-        map { |ref| ref[0] }.join(" ")
+      closing_statements = []
+      message.scan(ISSUE_CLOSING_REGEX) do
+        closing_statements << Regexp.last_match[0]
+      end
 
-      @extractor.analyze(closing_statements)
+      @extractor.analyze(closing_statements.join(" "))
 
       @extractor.issues
     end
-- 
cgit v1.2.1


From 4a292aa6042f33d0b63bf95d223ae87bddcea2ce Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 21:15:34 +0100
Subject: Proper cross-project references when MR is closed by issue

---
 app/services/system_note_service.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/services/system_note_service.rb b/app/services/system_note_service.rb
index 7e2bc834176..09c159510cd 100644
--- a/app/services/system_note_service.rb
+++ b/app/services/system_note_service.rb
@@ -125,7 +125,7 @@ class SystemNoteService
   # Returns the created Note object
   def self.change_status(noteable, project, author, status, source)
     body = "Status changed to #{status}"
-    body += " by #{source.gfm_reference}" if source
+    body += " by #{source.gfm_reference(project)}" if source
 
     create_note(noteable: noteable, project: project, author: author, note: body)
   end
-- 
cgit v1.2.1


From bf5e7252ee5ffb5198b7916d1ad8f3436723721a Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 21:36:13 +0100
Subject: Recognize commit range with named refs in compare URLs.

---
 app/models/commit_range.rb                         | 31 +++++++++++++---------
 .../markdown/commit_range_reference_filter_spec.rb | 11 ++++----
 2 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index 98067771b71..7b1164b024c 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -22,16 +22,19 @@ class CommitRange
   include Referable
 
   attr_reader :commit_from, :notation, :commit_to
+  attr_reader :ref_from, :ref_to
 
   # Optional Project model
   attr_accessor :project
 
-  # See `exclude_start?`
-  attr_reader :exclude_start
-
-  # The beginning and ending SHAs can be between 6 and 40 hex characters, and
+  # The beginning and ending refs can be named or SHAs, and
   # the range notation can be double- or triple-dot.
-  PATTERN = /\h{6,40}\.{2,3}\h{6,40}/
+  REF_PATTERN = /[0-9a-zA-Z][0-9a-zA-Z_.-]*[0-9a-zA-Z\^]/
+  PATTERN = /#{REF_PATTERN}\.{2,3}#{REF_PATTERN}/
+
+  # In text references, the beginning and ending refs can only be SHAs
+  # between 6 and 40 hex characters.
+  STRICT_PATTERN = /\h{6,40}\.{2,3}\h{6,40}/
 
   def self.reference_prefix
     '@'
@@ -45,7 +48,7 @@ class CommitRange
       #{link_reference_pattern} |
       (?:
         (?:#{Project.reference_pattern}#{reference_prefix})?
-        (?<commit_range>#{PATTERN})
+        (?<commit_range>#{STRICT_PATTERN})
       )
     }x
   end
@@ -69,12 +72,16 @@ class CommitRange
       raise ArgumentError, "invalid CommitRange string format: #{range_string}"
     end
 
-    ref_from, @notation, ref_to = range_string.split(/(\.{2,3})/, 2)
+    @ref_from, @notation, @ref_to = range_string.split(/(\.{2,3})/, 2)
 
-    @exclude_start = @notation == '..'
     if project.valid_repo?
-      @commit_from = project.commit(ref_from)
-      @commit_to   = project.commit(ref_to)
+      @commit_from = project.commit(@ref_from)
+      @commit_to   = project.commit(@ref_to)
+    end
+
+    if valid_commits?
+      @ref_from = Commit.truncate_sha(sha_from) if sha_from.start_with?(@ref_from)
+      @ref_to   = Commit.truncate_sha(sha_to)   if sha_to.start_with?(@ref_to)
     end
   end
 
@@ -89,7 +96,7 @@ class CommitRange
   alias_method :id, :to_s
 
   def to_reference(from_project = nil)
-    reference = Commit.truncate_sha(sha_from) + notation + Commit.truncate_sha(sha_to)
+    reference = ref_from + notation + ref_to
 
     if cross_project_reference?(from_project)
       reference = project.to_reference + self.class.reference_prefix + reference
@@ -111,7 +118,7 @@ class CommitRange
   end
 
   def exclude_start?
-    exclude_start
+    @notation == '..'
   end
 
   # Check if both the starting and ending commit IDs exist in a project's
diff --git a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
index 753140d60e6..4b4c769a110 100644
--- a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
@@ -5,8 +5,8 @@ module Gitlab::Markdown
     include FilterSpecHelper
 
     let(:project) { create(:project, :public) }
-    let(:commit1) { project.commit }
-    let(:commit2) { project.commit("HEAD~2") }
+    let(:commit1) { project.commit("HEAD~2") }
+    let(:commit2) { project.commit }
 
     let(:range)  { CommitRange.new("#{commit1.id}...#{commit2.id}", project) }
     let(:range2) { CommitRange.new("#{commit1.id}..#{commit2.id}", project) }
@@ -89,7 +89,7 @@ module Gitlab::Markdown
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-commit-range')
-        expect(link.attr('data-commit-range')).to eq range.to_reference
+        expect(link.attr('data-commit-range')).to eq range.to_s
       end
 
       it 'supports an :only_path option' do
@@ -146,7 +146,8 @@ module Gitlab::Markdown
     context 'URL cross-project reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:project, :public, namespace: namespace) }
-      let(:reference) { urls.namespace_project_compare_url(project2.namespace, project2, range.to_param) }
+      let(:range)  { CommitRange.new("#{commit1.id}...master", project) }
+      let(:reference) { urls.namespace_project_compare_url(project2.namespace, project2, from: commit1.id, to: 'master') }
 
       before do
         range.project = project2
@@ -156,7 +157,7 @@ module Gitlab::Markdown
         doc = filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
-          to eq urls.namespace_project_compare_url(project2.namespace, project2, range.to_param)
+          to eq reference
       end
 
       it 'links with adjacent text' do
-- 
cgit v1.2.1


From 4a0ebccf6b96184888f2d28b6e97592c6cb239c7 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Mon, 30 Nov 2015 22:43:54 +0100
Subject: Fix specs

---
 app/models/concerns/mentionable.rb                      | 11 ++++++++---
 .../lib/gitlab/markdown/commit_reference_filter_spec.rb |  1 -
 .../markdown/merge_request_reference_filter_spec.rb     |  3 +--
 spec/models/commit_spec.rb                              | 16 ++++++----------
 spec/support/mentionable_shared_examples.rb             | 17 +++++++----------
 5 files changed, 22 insertions(+), 26 deletions(-)

diff --git a/app/models/concerns/mentionable.rb b/app/models/concerns/mentionable.rb
index 193c91f1742..0d6cd86aade 100644
--- a/app/models/concerns/mentionable.rb
+++ b/app/models/concerns/mentionable.rb
@@ -62,13 +62,18 @@ module Mentionable
     return [] if text.blank?
 
     refs = all_references(current_user, text, load_lazy_references: load_lazy_references)
-    (refs.issues + refs.merge_requests + refs.commits) - [local_reference]
+    refs = (refs.issues + refs.merge_requests + refs.commits)
+
+    # We're using this method instead of Array diffing because that requires
+    # both of the object's `hash` values to be the same, which may not be the
+    # case for otherwise identical Commit objects.
+    refs.reject! { |ref| ref == local_reference }
   end
 
   # Create a cross-reference Note for each GFM reference to another Mentionable found in +mentionable_text+.
   def create_cross_references!(author = self.author, without = [], text = self.mentionable_text)
     refs = referenced_mentionables(author, text)
-    
+
     # We're using this method instead of Array diffing because that requires
     # both of the object's `hash` values to be the same, which may not be the
     # case for otherwise identical Commit objects.
@@ -111,7 +116,7 @@ module Mentionable
     # Only include changed fields that are mentionable
     source.select { |key, val| mentionable.include?(key) }
   end
-  
+
   # Determine whether or not a cross-reference Note has already been created between this Mentionable and
   # the specified target.
   def cross_reference_exists?(target)
diff --git a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
index c1bcf29b1ba..a8c9c7efd56 100644
--- a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
@@ -148,7 +148,6 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("Fixed (#{reference}.)")
 
-        exp = Regexp.escape(project2.to_reference)
         expect(doc.to_html).to match(/\(<a.+>#{commit.to_reference(project)}<\/a>\.\)/)
       end
 
diff --git a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
index 49d8a6e44da..ca3e7151e02 100644
--- a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
@@ -121,8 +121,7 @@ module Gitlab::Markdown
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:project, :public, namespace: namespace) }
       let(:merge)     { create(:merge_request, source_project: project2, target_project: project2) }
-      let(:reference) { urls.namespace_project_merge_request_url(project2.namespace,
-                                                    project2, merge) + '/diffs#note_123' }
+      let(:reference) { urls.namespace_project_merge_request_url(project2.namespace, project2, merge) + '/diffs#note_123' }
 
       it 'links to a valid reference' do
         doc = filter("See #{reference}")
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index 90be9324951..1aaa927c216 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -15,12 +15,12 @@ describe Commit do
 
   describe '#to_reference' do
     it 'returns a String reference to the object' do
-      expect(commit.to_reference).to eq commit.id
+      expect(commit.to_reference).to eq commit.short_id
     end
 
     it 'supports a cross-project reference' do
       cross = double('project')
-      expect(commit.to_reference(cross)).to eq "#{project.to_reference}@#{commit.id}"
+      expect(commit.to_reference(cross)).to eq "#{project.to_reference}@#{commit.short_id}"
     end
   end
 
@@ -77,14 +77,10 @@ eos
     let(:other_issue) { create :issue, project: other_project }
 
     it 'detects issues that this commit is marked as closing' do
-      allow(commit).to receive(:safe_message).and_return("Fixes ##{issue.iid}")
-      expect(commit.closes_issues).to eq([issue])
-    end
-
-    it 'does not detect issues from other projects' do
       ext_ref = "#{other_project.path_with_namespace}##{other_issue.iid}"
-      allow(commit).to receive(:safe_message).and_return("Fixes #{ext_ref}")
-      expect(commit.closes_issues).to be_empty
+      allow(commit).to receive(:safe_message).and_return("Fixes ##{issue.iid} and #{ext_ref}")
+      expect(commit.closes_issues).to include(issue)
+      expect(commit.closes_issues).to include(other_issue)
     end
   end
 
@@ -92,7 +88,7 @@ eos
     subject { create(:project).commit }
 
     let(:author) { create(:user, email: subject.author_email) }
-    let(:backref_text) { "commit #{subject.id}" }
+    let(:backref_text) { "commit #{subject.short_id}" }
     let(:set_mentionable_text) do
       ->(txt) { allow(subject).to receive(:safe_message).and_return(txt) }
     end
diff --git a/spec/support/mentionable_shared_examples.rb b/spec/support/mentionable_shared_examples.rb
index 3bb568f4d49..33d2b14583c 100644
--- a/spec/support/mentionable_shared_examples.rb
+++ b/spec/support/mentionable_shared_examples.rb
@@ -10,12 +10,12 @@ def common_mentionable_setup
 
   let(:mentioned_issue)  { create(:issue, project: project) }
   let!(:mentioned_mr)     { create(:merge_request, :simple, source_project: project) }
-  let(:mentioned_commit) { project.commit }
+  let(:mentioned_commit) { project.commit("HEAD~1") }
 
   let(:ext_proj)   { create(:project, :public) }
   let(:ext_issue)  { create(:issue, project: ext_proj) }
   let(:ext_mr)     { create(:merge_request, :simple, source_project: ext_proj) }
-  let(:ext_commit) { ext_proj.commit }
+  let(:ext_commit) { ext_proj.commit("HEAD~2") }
 
   # Override to add known commits to the repository stub.
   let(:extra_commits) { [] }
@@ -45,14 +45,11 @@ def common_mentionable_setup
   before do
     # Wire the project's repository to return the mentioned commit, and +nil+
     # for any unrecognized commits.
-    commitmap = {
-      mentioned_commit.id => mentioned_commit
-    }
-    extra_commits.each { |c| commitmap[c.short_id] = c }
-
-    allow(Project).to receive(:find).and_call_original
-    allow(Project).to receive(:find).with(project.id.to_s).and_return(project)
-    allow(project.repository).to receive(:commit) { |sha| commitmap[sha] }
+    allow_any_instance_of(::Repository).to receive(:commit).and_call_original
+    allow_any_instance_of(::Repository).to receive(:commit).with(mentioned_commit.short_id).and_return(mentioned_commit)
+    extra_commits.each do |commit|
+      allow_any_instance_of(::Repository).to receive(:commit).with(commit.short_id).and_return(commit)
+    end
 
     set_mentionable_text.call(ref_string)
   end
-- 
cgit v1.2.1


From bd4ab21c07061e06166b08d86157e4004665ccbc Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 12:49:22 +0100
Subject: Fix code docs

---
 app/models/commit_range.rb                       |  7 ++-----
 lib/gitlab/markdown/abstract_reference_filter.rb | 15 +++++++--------
 2 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index 7b1164b024c..449689faf65 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -13,8 +13,7 @@
 #   range.to_param        # => {from: "f3f856029bc5f966c5a7ee24cf7efefdd20e6019^", to: "e86e1013709735be5bb767e2b228930c543f25ae"}
 #   range.to_s            # => "f3f85602..e86e1013"
 #
-#   # Assuming `project` is a Project with a repository containing both commits:
-#   range.project = project
+#   # Assuming the specified project has a repository containing both commits:
 #   range.valid_commits? # => true
 #
 class CommitRange
@@ -68,7 +67,7 @@ class CommitRange
 
     range_string.strip!
 
-    unless range_string.match(/\A#{PATTERN}\z/)
+    unless range_string =~ /\A#{PATTERN}\z/
       raise ArgumentError, "invalid CommitRange string format: #{range_string}"
     end
 
@@ -123,8 +122,6 @@ class CommitRange
 
   # Check if both the starting and ending commit IDs exist in a project's
   # repository
-  #
-  # project - An optional Project to check (default: `project`)
   def valid_commits?
     commit_start.present? && commit_end.present?
   end
diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index 4adc44361b7..02a9e05a699 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -2,8 +2,8 @@ require 'gitlab/markdown'
 
 module Gitlab
   module Markdown
-    # Issues, Snippets and Merge Requests shares similar functionality in refernce filtering.
-    # All this functionality moved to this class
+    # Issues, Snippets, Merge Requests, Commits and Commit Ranges share
+    # similar functionality in refernce filtering.
     class AbstractReferenceFilter < ReferenceFilter
       include CrossProjectReference
 
@@ -26,16 +26,15 @@ module Gitlab
 
       # Public: Find references in text (like `!123` for merge requests)
       #
-      #   AnyReferenceFilter.references_in(text) do |match, object|
-      #     "<a href=...>PREFIX#{object}</a>"
+      #   AnyReferenceFilter.references_in(text) do |match, id, project_ref, matches|
+      #     object = find_object(project_ref, id)
+      #     "<a href=...>#{object.to_reference}</a>"
       #   end
       #
-      # PREFIX - symbol that detects reference (like ! for merge requests)
-      # object - reference object (snippet, merget request etc)
       # text - String text to search.
       #
-      # Yields the String match, the Integer referenced object ID, and an optional String
-      # of the external project reference.
+      # Yields the String match, the Integer referenced object ID, an optional String
+      # of the external project reference, and all of the matchdata.
       #
       # Returns a String replaced with the return of the block.
       def self.references_in(text)
-- 
cgit v1.2.1


From 62c14ba2edf9ac4b4bb1e8c46c0c60f1b6574909 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 12:58:45 +0100
Subject: Render commit reference using short sha, but include full sha in
 comment.

---
 app/models/commit.rb                               |  8 ++++++++
 app/models/commit_range.rb                         |  8 ++++++++
 app/models/concerns/referable.rb                   |  4 ++++
 lib/gitlab/markdown/abstract_reference_filter.rb   |  2 +-
 .../markdown/commit_range_reference_filter_spec.rb |  6 +++---
 .../markdown/commit_reference_filter_spec.rb       |  2 +-
 spec/models/commit_range_spec.rb                   | 22 +++++++++++++++++++---
 spec/models/commit_spec.rb                         | 17 ++++++++++++++---
 8 files changed, 58 insertions(+), 11 deletions(-)

diff --git a/app/models/commit.rb b/app/models/commit.rb
index fc03d2580d7..a5d041a49c8 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -86,6 +86,14 @@ class Commit
   end
 
   def to_reference(from_project = nil)
+    if cross_project_reference?(from_project)
+      project.to_reference + self.class.reference_prefix + self.id
+    else
+      self.id
+    end
+  end
+
+  def reference_link_text(from_project = nil)
     if cross_project_reference?(from_project)
       project.to_reference + self.class.reference_prefix + self.short_id
     else
diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index 449689faf65..f786a749b8e 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -95,6 +95,14 @@ class CommitRange
   alias_method :id, :to_s
 
   def to_reference(from_project = nil)
+    if cross_project_reference?(from_project)
+      reference = project.to_reference + self.class.reference_prefix + self.id
+    else
+      self.id
+    end
+  end
+
+  def reference_link_text(from_project = nil)
     reference = ref_from + notation + ref_to
 
     if cross_project_reference?(from_project)
diff --git a/app/models/concerns/referable.rb b/app/models/concerns/referable.rb
index 16e4d054869..ce064f675ae 100644
--- a/app/models/concerns/referable.rb
+++ b/app/models/concerns/referable.rb
@@ -21,6 +21,10 @@ module Referable
     ''
   end
 
+  def reference_link_text(from_project = nil)
+    to_reference(from_project)
+  end
+
   module ClassMethods
     # The character that prefixes the actual reference identifier
     #
diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index 02a9e05a699..f6df9518fc6 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -82,7 +82,7 @@ module Gitlab
             data  = data_attribute(project: project.id, object_sym => object.id, original: match)
             url = matches[:url] || url_for_object(object, project)
 
-            text = object.to_reference(context[:project])
+            text = object.reference_link_text(context[:project])
 
             extras = object_link_text_extras(object, matches)
             text += " (#{extras.join(", ")})" if extras.any?
diff --git a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
index 4b4c769a110..f65a3e8a0bd 100644
--- a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
@@ -53,7 +53,7 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("See (#{reference}.)")
 
-        exp = Regexp.escape(range.to_reference)
+        exp = Regexp.escape(range.reference_link_text)
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
       end
 
@@ -125,7 +125,7 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("Fixed (#{reference}.)")
 
-        exp = Regexp.escape("#{project2.to_reference}@#{range.to_reference}")
+        exp = Regexp.escape("#{project2.to_reference}@#{range.reference_link_text}")
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
       end
 
@@ -163,7 +163,7 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("Fixed (#{reference}.)")
 
-        exp = Regexp.escape(range.to_reference(project))
+        exp = Regexp.escape(range.reference_link_text(project))
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
       end
 
diff --git a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
index a8c9c7efd56..4cc6bbbfe94 100644
--- a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
@@ -148,7 +148,7 @@ module Gitlab::Markdown
       it 'links with adjacent text' do
         doc = filter("Fixed (#{reference}.)")
 
-        expect(doc.to_html).to match(/\(<a.+>#{commit.to_reference(project)}<\/a>\.\)/)
+        expect(doc.to_html).to match(/\(<a.+>#{commit.reference_link_text(project)}<\/a>\.\)/)
       end
 
       it 'ignores invalid commit IDs on the referenced project' do
diff --git a/spec/models/commit_range_spec.rb b/spec/models/commit_range_spec.rb
index 58283f06972..3c1009a2eb0 100644
--- a/spec/models/commit_range_spec.rb
+++ b/spec/models/commit_range_spec.rb
@@ -38,15 +38,31 @@ describe CommitRange do
     let(:cross) { create(:project) }
 
     it 'returns a String reference to the object' do
-      expect(range.to_reference).to eq "#{sha_from}...#{sha_to}"
+      expect(range.to_reference).to eq "#{full_sha_from}...#{full_sha_to}"
     end
 
     it 'returns a String reference to the object' do
-      expect(range2.to_reference).to eq "#{sha_from}..#{sha_to}"
+      expect(range2.to_reference).to eq "#{full_sha_from}..#{full_sha_to}"
     end
 
     it 'supports a cross-project reference' do
-      expect(range.to_reference(cross)).to eq "#{project.to_reference}@#{sha_from}...#{sha_to}"
+      expect(range.to_reference(cross)).to eq "#{project.to_reference}@#{full_sha_from}...#{full_sha_to}"
+    end
+  end
+
+  describe '#reference_link_text' do
+    let(:cross) { create(:project) }
+
+    it 'returns a String reference to the object' do
+      expect(range.reference_link_text).to eq "#{sha_from}...#{sha_to}"
+    end
+
+    it 'returns a String reference to the object' do
+      expect(range2.reference_link_text).to eq "#{sha_from}..#{sha_to}"
+    end
+
+    it 'supports a cross-project reference' do
+      expect(range.reference_link_text(cross)).to eq "#{project.to_reference}@#{sha_from}...#{sha_to}"
     end
   end
 
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index 1aaa927c216..974b52c1833 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -15,12 +15,23 @@ describe Commit do
 
   describe '#to_reference' do
     it 'returns a String reference to the object' do
-      expect(commit.to_reference).to eq commit.short_id
+      expect(commit.to_reference).to eq commit.id
     end
 
     it 'supports a cross-project reference' do
       cross = double('project')
-      expect(commit.to_reference(cross)).to eq "#{project.to_reference}@#{commit.short_id}"
+      expect(commit.to_reference(cross)).to eq "#{project.to_reference}@#{commit.id}"
+    end
+  end
+
+  describe '#reference_link_text' do
+    it 'returns a String reference to the object' do
+      expect(commit.reference_link_text).to eq commit.short_id
+    end
+
+    it 'supports a cross-project reference' do
+      cross = double('project')
+      expect(commit.reference_link_text(cross)).to eq "#{project.to_reference}@#{commit.short_id}"
     end
   end
 
@@ -88,7 +99,7 @@ eos
     subject { create(:project).commit }
 
     let(:author) { create(:user, email: subject.author_email) }
-    let(:backref_text) { "commit #{subject.short_id}" }
+    let(:backref_text) { "commit #{subject.id}" }
     let(:set_mentionable_text) do
       ->(txt) { allow(subject).to receive(:safe_message).and_return(txt) }
     end
-- 
cgit v1.2.1


From f3ea06eb7f8bef748be0882cb0b4fb58deed8eef Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 15:51:27 +0100
Subject: Autolink first so we don't pick up numeric anchors as issue
 references.

---
 app/models/commit.rb                               |  7 ++--
 app/models/commit_range.rb                         |  7 ++--
 app/models/issue.rb                                |  7 ++--
 app/models/merge_request.rb                        |  7 ++--
 app/models/snippet.rb                              |  7 ++--
 lib/gitlab/closing_issue_extractor.rb              |  2 +-
 lib/gitlab/markdown.rb                             |  5 ++-
 lib/gitlab/markdown/abstract_reference_filter.rb   | 20 +++++++----
 .../markdown/commit_range_reference_filter.rb      |  4 +--
 lib/gitlab/markdown/commit_reference_filter.rb     |  4 +--
 lib/gitlab/markdown/external_link_filter.rb        |  7 ++--
 .../markdown/merge_request_reference_filter.rb     |  2 +-
 lib/gitlab/markdown/redactor_filter.rb             |  2 +-
 lib/gitlab/markdown/reference_filter.rb            | 23 +++++++++++++
 lib/gitlab/reference_extractor.rb                  | 14 ++++++--
 .../markdown/commit_range_reference_filter_spec.rb | 40 +++++++++++-----------
 .../markdown/commit_reference_filter_spec.rb       | 36 +++++++++----------
 .../gitlab/markdown/issue_reference_filter_spec.rb | 36 +++++++++----------
 .../merge_request_reference_filter_spec.rb         | 30 ++++++++--------
 .../markdown/snippet_reference_filter_spec.rb      | 32 ++++++++---------
 spec/support/filter_spec_helper.rb                 | 19 ++++++++--
 21 files changed, 171 insertions(+), 140 deletions(-)

diff --git a/app/models/commit.rb b/app/models/commit.rb
index a5d041a49c8..c0998a45709 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -73,11 +73,8 @@ class Commit
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      #{link_reference_pattern} |
-      (?:
-        (?:#{Project.reference_pattern}#{reference_prefix})?
-        (?<commit>\h{6,40})
-      )
+      (?:#{Project.reference_pattern}#{reference_prefix})?
+      (?<commit>\h{6,40})
     }x
   end
 
diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index f786a749b8e..b8bf36b32ce 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -44,11 +44,8 @@ class CommitRange
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      #{link_reference_pattern} |
-      (?:
-        (?:#{Project.reference_pattern}#{reference_prefix})?
-        (?<commit_range>#{STRICT_PATTERN})
-      )
+      (?:#{Project.reference_pattern}#{reference_prefix})?
+      (?<commit_range>#{STRICT_PATTERN})
     }x
   end
 
diff --git a/app/models/issue.rb b/app/models/issue.rb
index e62acfdfd91..187b6482b6c 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -64,11 +64,8 @@ class Issue < ActiveRecord::Base
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      #{link_reference_pattern} |
-      (?:
-        (#{Project.reference_pattern})?
-        #{Regexp.escape(reference_prefix)}(?<issue>\d+)
-      )
+      (#{Project.reference_pattern})?
+      #{Regexp.escape(reference_prefix)}(?<issue>\d+)
     }x
   end
 
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index c1d3874adee..2a4aee7e5d9 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -146,11 +146,8 @@ class MergeRequest < ActiveRecord::Base
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      #{link_reference_pattern} |
-      (?:
-        (#{Project.reference_pattern})?
-        #{Regexp.escape(reference_prefix)}(?<merge_request>\d+)
-      )
+      (#{Project.reference_pattern})?
+      #{Regexp.escape(reference_prefix)}(?<merge_request>\d+)
     }x
   end
 
diff --git a/app/models/snippet.rb b/app/models/snippet.rb
index 8ec12ddf6ef..f876be7a4c8 100644
--- a/app/models/snippet.rb
+++ b/app/models/snippet.rb
@@ -60,11 +60,8 @@ class Snippet < ActiveRecord::Base
   # This pattern supports cross-project references.
   def self.reference_pattern
     %r{
-      #{link_reference_pattern} |
-      (?:
-        (#{Project.reference_pattern})?
-        #{Regexp.escape(reference_prefix)}(?<snippet>\d+)
-      )
+      (#{Project.reference_pattern})?
+      #{Regexp.escape(reference_prefix)}(?<snippet>\d+)
     }x
   end
 
diff --git a/lib/gitlab/closing_issue_extractor.rb b/lib/gitlab/closing_issue_extractor.rb
index 70b9943d7eb..0cf4c918736 100644
--- a/lib/gitlab/closing_issue_extractor.rb
+++ b/lib/gitlab/closing_issue_extractor.rb
@@ -2,7 +2,7 @@ module Gitlab
   class ClosingIssueExtractor
     ISSUE_CLOSING_REGEX = begin
       pattern = Gitlab.config.gitlab.issue_closing_pattern
-      pattern = pattern.sub('%{issue_ref}', "(?:#{Issue.reference_pattern})")
+      pattern = pattern.sub('%{issue_ref}', "(?:(?:#{Issue.link_reference_pattern})|(?:#{Issue.reference_pattern}))")
       Regexp.new(pattern).freeze
     end
 
diff --git a/lib/gitlab/markdown.rb b/lib/gitlab/markdown.rb
index ee458eda025..b082bfc434b 100644
--- a/lib/gitlab/markdown.rb
+++ b/lib/gitlab/markdown.rb
@@ -181,6 +181,8 @@ module Gitlab
         Gitlab::Markdown::RelativeLinkFilter,
         Gitlab::Markdown::EmojiFilter,
         Gitlab::Markdown::TableOfContentsFilter,
+        Gitlab::Markdown::AutolinkFilter,
+        Gitlab::Markdown::ExternalLinkFilter,
 
         Gitlab::Markdown::UserReferenceFilter,
         Gitlab::Markdown::IssueReferenceFilter,
@@ -191,9 +193,6 @@ module Gitlab
         Gitlab::Markdown::CommitReferenceFilter,
         Gitlab::Markdown::LabelReferenceFilter,
 
-        Gitlab::Markdown::AutolinkFilter,
-        Gitlab::Markdown::ExternalLinkFilter,
-
         Gitlab::Markdown::TaskListFilter
       ]
     end
diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index f6df9518fc6..37ed423eeda 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -37,8 +37,8 @@ module Gitlab
       # of the external project reference, and all of the matchdata.
       #
       # Returns a String replaced with the return of the block.
-      def self.references_in(text)
-        text.gsub(object_class.reference_pattern) do |match|
+      def self.references_in(text, pattern = object_class.reference_pattern)
+        text.gsub(pattern) do |match|
           yield match, $~[object_sym].to_i, $~[:project], $~
         end
       end
@@ -61,7 +61,11 @@ module Gitlab
 
       def call
         replace_text_nodes_matching(object_class.reference_pattern) do |content|
-          object_link_filter(content)
+          object_link_filter(content, object_class.reference_pattern)
+        end
+
+        replace_link_nodes_matching(object_class.link_reference_pattern) do |content|
+          object_link_filter(content, object_class.link_reference_pattern)
         end
       end
 
@@ -72,15 +76,17 @@ module Gitlab
       #
       # Returns a String with references replaced with links. All links
       # have `gfm` and `gfm-OBJECT_NAME` class names attached for styling.
-      def object_link_filter(text)
-        references_in(text) do |match, id, project_ref, matches|
+      def object_link_filter(text, pattern)
+        references_in(text, pattern) do |match, id, project_ref, matches|
           project = project_from_ref(project_ref)
 
           if project && object = find_object(project, id)
             title = escape_once(object_link_title(object))
             klass = reference_class(object_sym)
             data  = data_attribute(project: project.id, object_sym => object.id, original: match)
-            url = matches[:url] || url_for_object(object, project)
+
+            url = matches[:url] if matches.names.include?("url")
+            url ||= url_for_object(object, project)
 
             text = object.reference_link_text(context[:project])
 
@@ -99,7 +105,7 @@ module Gitlab
       def object_link_text_extras(object, matches)
         extras = []
 
-        if matches[:anchor] && matches[:anchor] =~ /\A\#note_(\d+)\z/
+        if matches.names.include?("anchor") && matches[:anchor] && matches[:anchor] =~ /\A\#note_(\d+)\z/
           extras << "comment #{$1}"
         end
 
diff --git a/lib/gitlab/markdown/commit_range_reference_filter.rb b/lib/gitlab/markdown/commit_range_reference_filter.rb
index f24bed76193..36b3258ef76 100644
--- a/lib/gitlab/markdown/commit_range_reference_filter.rb
+++ b/lib/gitlab/markdown/commit_range_reference_filter.rb
@@ -10,8 +10,8 @@ module Gitlab
         CommitRange
       end
 
-      def self.references_in(text)
-        text.gsub(CommitRange.reference_pattern) do |match|
+      def self.references_in(text, pattern = CommitRange.reference_pattern)
+        text.gsub(pattern) do |match|
           yield match, $~[:commit_range], $~[:project], $~
         end
       end
diff --git a/lib/gitlab/markdown/commit_reference_filter.rb b/lib/gitlab/markdown/commit_reference_filter.rb
index cc7abc08c87..b4036578e60 100644
--- a/lib/gitlab/markdown/commit_reference_filter.rb
+++ b/lib/gitlab/markdown/commit_reference_filter.rb
@@ -10,8 +10,8 @@ module Gitlab
         Commit
       end
 
-      def self.references_in(text)
-        text.gsub(Commit.reference_pattern) do |match|
+      def self.references_in(text, pattern = Commit.reference_pattern)
+        text.gsub(pattern) do |match|
           yield match, $~[:commit], $~[:project], $~
         end
       end
diff --git a/lib/gitlab/markdown/external_link_filter.rb b/lib/gitlab/markdown/external_link_filter.rb
index b6792932016..e09dfcb83c8 100644
--- a/lib/gitlab/markdown/external_link_filter.rb
+++ b/lib/gitlab/markdown/external_link_filter.rb
@@ -8,12 +8,9 @@ module Gitlab
     class ExternalLinkFilter < HTML::Pipeline::Filter
       def call
         doc.search('a').each do |node|
-          next unless node.has_attribute?('href')
+          link = node.attr('href')
 
-          klass = node.attribute('class')
-          next if klass && klass.include?('gfm')
-
-          link = node.attribute('href').value
+          next unless link
 
           # Skip non-HTTP(S) links
           next unless link.start_with?('http')
diff --git a/lib/gitlab/markdown/merge_request_reference_filter.rb b/lib/gitlab/markdown/merge_request_reference_filter.rb
index 3780a14a130..de71fc76a9b 100644
--- a/lib/gitlab/markdown/merge_request_reference_filter.rb
+++ b/lib/gitlab/markdown/merge_request_reference_filter.rb
@@ -24,7 +24,7 @@ module Gitlab
       def object_link_text_extras(object, matches)
         extras = super
 
-        if matches[:path] && matches[:path] == '/diffs'
+        if matches.names.include?("path") && matches[:path] && matches[:path] == '/diffs'
           extras.unshift "diffs"
         end
 
diff --git a/lib/gitlab/markdown/redactor_filter.rb b/lib/gitlab/markdown/redactor_filter.rb
index 2a58c798f9f..bea714a01e7 100644
--- a/lib/gitlab/markdown/redactor_filter.rb
+++ b/lib/gitlab/markdown/redactor_filter.rb
@@ -14,7 +14,7 @@ module Gitlab
           unless user_can_reference?(node)
             # The reference should be replaced by the original text,
             # which is not always the same as the rendered text.
-            text = node.attribute('data-original') || node.text
+            text = node.attr('data-original') || node.text
             node.replace(text)
           end
         end
diff --git a/lib/gitlab/markdown/reference_filter.rb b/lib/gitlab/markdown/reference_filter.rb
index a4c560f578c..e52633ee74c 100644
--- a/lib/gitlab/markdown/reference_filter.rb
+++ b/lib/gitlab/markdown/reference_filter.rb
@@ -122,6 +122,29 @@ module Gitlab
         doc
       end
 
+      def replace_link_nodes_matching(pattern)
+        return doc if project.nil?
+
+        doc.search('a').each do |node|
+          klass = node.attr('class')
+          next if klass && klass.include?('gfm')
+
+          link = node.attr('href')
+          text = node.text
+
+          # Ignore ending punctionation like periods or commas
+          next unless link == text && text =~ /\A#{pattern}/
+
+          html = yield text
+
+          next if html == text
+
+          node.replace(html)
+        end
+
+        doc
+      end
+
       # Ensure that a :project key exists in context
       #
       # Note that while the key might exist, its value could be nil!
diff --git a/lib/gitlab/reference_extractor.rb b/lib/gitlab/reference_extractor.rb
index da8df8a3025..3c3478a1271 100644
--- a/lib/gitlab/reference_extractor.rb
+++ b/lib/gitlab/reference_extractor.rb
@@ -41,14 +41,14 @@ module Gitlab
     # Returns the results Array for the requested filter type
     def pipeline_result(filter_type)
       return [] if @text.blank?
-      
+
       klass  = "#{filter_type.to_s.camelize}ReferenceFilter"
       filter = Gitlab::Markdown.const_get(klass)
 
       context = {
         project: project,
         current_user: current_user,
-        
+
         # We don't actually care about the links generated
         only_path: true,
         ignore_blockquotes: true,
@@ -58,7 +58,15 @@ module Gitlab
         reference_filter:     filter
       }
 
-      pipeline = HTML::Pipeline.new([filter, Gitlab::Markdown::ReferenceGathererFilter], context)
+      # We need to autolink first to finds links to referables, and to prevent
+      # numeric anchors to be parsed as issue references.
+      filters = [
+        Gitlab::Markdown::AutolinkFilter,
+        filter,
+        Gitlab::Markdown::ReferenceGathererFilter
+      ]
+
+      pipeline = HTML::Pipeline.new(filters, context)
       result = pipeline.call(@text)
 
       values = result[:references][filter_type].uniq
diff --git a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
index f65a3e8a0bd..92158382790 100644
--- a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
@@ -18,7 +18,7 @@ module Gitlab::Markdown
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Commit Range #{range.to_reference}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -27,14 +27,14 @@ module Gitlab::Markdown
       let(:reference2) { range2.to_reference }
 
       it 'links to a valid two-dot reference' do
-        doc = filter("See #{reference2}")
+        doc = reference_filter("See #{reference2}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_compare_url(project.namespace, project, range2.to_param)
       end
 
       it 'links to a valid three-dot reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_compare_url(project.namespace, project, range.to_param)
@@ -46,12 +46,12 @@ module Gitlab::Markdown
 
         exp = commit1.short_id + '...' + commit2.short_id
 
-        expect(filter("See #{reference}").css('a').first.text).to eq exp
-        expect(filter("See #{reference2}").css('a').first.text).to eq exp
+        expect(reference_filter("See #{reference}").css('a').first.text).to eq exp
+        expect(reference_filter("See #{reference2}").css('a').first.text).to eq exp
       end
 
       it 'links with adjacent text' do
-        doc = filter("See (#{reference}.)")
+        doc = reference_filter("See (#{reference}.)")
 
         exp = Regexp.escape(range.reference_link_text)
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
@@ -63,21 +63,21 @@ module Gitlab::Markdown
         expect(project).to receive(:valid_repo?).and_return(true)
         expect(project.repository).to receive(:commit).with(commit1.id.reverse)
         expect(project.repository).to receive(:commit).with(commit2.id)
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'includes a title attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         expect(doc.css('a').first.attr('title')).to eq range.reference_title
       end
 
       it 'includes default classes' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-commit_range'
       end
 
       it 'includes a data-project attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-project')
@@ -85,7 +85,7 @@ module Gitlab::Markdown
       end
 
       it 'includes a data-commit-range attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-commit-range')
@@ -93,7 +93,7 @@ module Gitlab::Markdown
       end
 
       it 'supports an :only_path option' do
-        doc = filter("See #{reference}", only_path: true)
+        doc = reference_filter("See #{reference}", only_path: true)
         link = doc.css('a').first.attr('href')
 
         expect(link).not_to match %r(https?://)
@@ -116,14 +116,14 @@ module Gitlab::Markdown
       end
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_compare_url(project2.namespace, project2, range.to_param)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
 
         exp = Regexp.escape("#{project2.to_reference}@#{range.reference_link_text}")
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
@@ -131,10 +131,10 @@ module Gitlab::Markdown
 
       it 'ignores invalid commit IDs on the referenced project' do
         exp = act = "Fixed #{project2.to_reference}@#{commit1.id.reverse}...#{commit2.id}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
 
         exp = act = "Fixed #{project2.to_reference}@#{commit1.id}...#{commit2.id.reverse}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'adds to the results hash' do
@@ -154,14 +154,14 @@ module Gitlab::Markdown
       end
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq reference
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
 
         exp = Regexp.escape(range.reference_link_text(project))
         expect(doc.to_html).to match(/\(<a.+>#{exp}<\/a>\.\)/)
@@ -169,10 +169,10 @@ module Gitlab::Markdown
 
       it 'ignores invalid commit IDs on the referenced project' do
         exp = act = "Fixed #{project2.to_reference}@#{commit1.id.reverse}...#{commit2.id}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
 
         exp = act = "Fixed #{project2.to_reference}@#{commit1.id}...#{commit2.id.reverse}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'adds to the results hash' do
diff --git a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
index 4cc6bbbfe94..6fe9b165ff5 100644
--- a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
@@ -14,7 +14,7 @@ module Gitlab::Markdown
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Commit #{commit.id}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -24,7 +24,7 @@ module Gitlab::Markdown
       # Let's test a variety of commit SHA sizes just to be paranoid
       [6, 8, 12, 18, 20, 32, 40].each do |size|
         it "links to a valid reference of #{size} characters" do
-          doc = filter("See #{reference[0...size]}")
+          doc = reference_filter("See #{reference[0...size]}")
 
           expect(doc.css('a').first.text).to eq commit.short_id
           expect(doc.css('a').first.attr('href')).
@@ -33,15 +33,15 @@ module Gitlab::Markdown
       end
 
       it 'always uses the short ID as the link text' do
-        doc = filter("See #{commit.id}")
+        doc = reference_filter("See #{commit.id}")
         expect(doc.text).to eq "See #{commit.short_id}"
 
-        doc = filter("See #{commit.id[0...6]}")
+        doc = reference_filter("See #{commit.id[0...6]}")
         expect(doc.text).to eq "See #{commit.short_id}"
       end
 
       it 'links with adjacent text' do
-        doc = filter("See (#{reference}.)")
+        doc = reference_filter("See (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{commit.short_id}<\/a>\.\)/)
       end
 
@@ -51,28 +51,28 @@ module Gitlab::Markdown
 
         expect(project).to receive(:valid_repo?).and_return(true)
         expect(project.repository).to receive(:commit).with(invalid)
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'includes a title attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         expect(doc.css('a').first.attr('title')).to eq commit.link_title
       end
 
       it 'escapes the title attribute' do
         allow_any_instance_of(Commit).to receive(:title).and_return(%{"></a>whatever<a title="})
 
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         expect(doc.text).to eq "See #{commit.short_id}"
       end
 
       it 'includes default classes' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-commit'
       end
 
       it 'includes a data-project attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-project')
@@ -80,7 +80,7 @@ module Gitlab::Markdown
       end
 
       it 'includes a data-commit attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-commit')
@@ -88,7 +88,7 @@ module Gitlab::Markdown
       end
 
       it 'supports an :only_path context' do
-        doc = filter("See #{reference}", only_path: true)
+        doc = reference_filter("See #{reference}", only_path: true)
         link = doc.css('a').first.attr('href')
 
         expect(link).not_to match %r(https?://)
@@ -108,14 +108,14 @@ module Gitlab::Markdown
       let(:reference) { commit.to_reference(project) }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_commit_url(project2.namespace, project2, commit.id)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
 
         exp = Regexp.escape(project2.to_reference)
         expect(doc.to_html).to match(/\(<a.+>#{exp}@#{commit.short_id}<\/a>\.\)/)
@@ -123,7 +123,7 @@ module Gitlab::Markdown
 
       it 'ignores invalid commit IDs on the referenced project' do
         exp = act = "Committed #{invalidate_reference(reference)}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'adds to the results hash' do
@@ -139,21 +139,21 @@ module Gitlab::Markdown
       let(:reference) { urls.namespace_project_commit_url(project2.namespace, project2, commit.id) }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_commit_url(project2.namespace, project2, commit.id)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
 
         expect(doc.to_html).to match(/\(<a.+>#{commit.reference_link_text(project)}<\/a>\.\)/)
       end
 
       it 'ignores invalid commit IDs on the referenced project' do
         exp = act = "Committed #{invalidate_reference(reference)}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(invalidate_reference(reference))}<\/a>/)
       end
 
       it 'adds to the results hash' do
diff --git a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
index 296e8868f46..0a741688b82 100644
--- a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
@@ -18,7 +18,7 @@ module Gitlab::Markdown
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Issue #{issue.to_reference}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -29,18 +29,18 @@ module Gitlab::Markdown
         expect(project).to receive(:get_issue).with(issue.iid).and_return(nil)
 
         exp = act = "Issue #{reference}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'links to a valid reference' do
-        doc = filter("Fixed #{reference}")
+        doc = reference_filter("Fixed #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq helper.url_for_issue(issue.iid, project)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
       end
 
@@ -48,28 +48,28 @@ module Gitlab::Markdown
         invalid = invalidate_reference(reference)
         exp = act = "Fixed #{invalid}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'includes a title attribute' do
-        doc = filter("Issue #{reference}")
+        doc = reference_filter("Issue #{reference}")
         expect(doc.css('a').first.attr('title')).to eq "Issue: #{issue.title}"
       end
 
       it 'escapes the title attribute' do
         issue.update_attribute(:title, %{"></a>whatever<a title="})
 
-        doc = filter("Issue #{reference}")
+        doc = reference_filter("Issue #{reference}")
         expect(doc.text).to eq "Issue #{reference}"
       end
 
       it 'includes default classes' do
-        doc = filter("Issue #{reference}")
+        doc = reference_filter("Issue #{reference}")
         expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-issue'
       end
 
       it 'includes a data-project attribute' do
-        doc = filter("Issue #{reference}")
+        doc = reference_filter("Issue #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-project')
@@ -77,7 +77,7 @@ module Gitlab::Markdown
       end
 
       it 'includes a data-issue attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-issue')
@@ -85,7 +85,7 @@ module Gitlab::Markdown
       end
 
       it 'supports an :only_path context' do
-        doc = filter("Issue #{reference}", only_path: true)
+        doc = reference_filter("Issue #{reference}", only_path: true)
         link = doc.css('a').first.attr('href')
 
         expect(link).not_to match %r(https?://)
@@ -109,25 +109,25 @@ module Gitlab::Markdown
           with(issue.iid).and_return(nil)
 
         exp = act = "Issue #{reference}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq helper.url_for_issue(issue.iid, project2)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
       end
 
       it 'ignores invalid issue IDs on the referenced project' do
         exp = act = "Fixed #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'adds to the results hash' do
@@ -147,18 +147,18 @@ module Gitlab::Markdown
           with(issue.iid).and_return(nil)
 
         exp = act = "Issue #{reference}"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(reference)}<\/a>/)
       end
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq reference
       end
 
       it 'links with adjacent text' do
-        doc = filter("Fixed (#{reference}.)")
+        doc = reference_filter("Fixed (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(issue.to_reference(project))} \(comment 123\)<\/a>\.\)/)
       end
 
diff --git a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
index ca3e7151e02..cdb3390e793 100644
--- a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
@@ -14,7 +14,7 @@ module Gitlab::Markdown
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Merge #{merge.to_reference}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -22,42 +22,42 @@ module Gitlab::Markdown
       let(:reference) { merge.to_reference }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
           namespace_project_merge_request_url(project.namespace, project, merge)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Merge (#{reference}.)")
+        doc = reference_filter("Merge (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
       end
 
       it 'ignores invalid merge IDs' do
         exp = act = "Merge #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'includes a title attribute' do
-        doc = filter("Merge #{reference}")
+        doc = reference_filter("Merge #{reference}")
         expect(doc.css('a').first.attr('title')).to eq "Merge Request: #{merge.title}"
       end
 
       it 'escapes the title attribute' do
         merge.update_attribute(:title, %{"></a>whatever<a title="})
 
-        doc = filter("Merge #{reference}")
+        doc = reference_filter("Merge #{reference}")
         expect(doc.text).to eq "Merge #{reference}"
       end
 
       it 'includes default classes' do
-        doc = filter("Merge #{reference}")
+        doc = reference_filter("Merge #{reference}")
         expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-merge_request'
       end
 
       it 'includes a data-project attribute' do
-        doc = filter("Merge #{reference}")
+        doc = reference_filter("Merge #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-project')
@@ -65,7 +65,7 @@ module Gitlab::Markdown
       end
 
       it 'includes a data-merge-request attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-merge-request')
@@ -73,7 +73,7 @@ module Gitlab::Markdown
       end
 
       it 'supports an :only_path context' do
-        doc = filter("Merge #{reference}", only_path: true)
+        doc = reference_filter("Merge #{reference}", only_path: true)
         link = doc.css('a').first.attr('href')
 
         expect(link).not_to match %r(https?://)
@@ -93,7 +93,7 @@ module Gitlab::Markdown
       let(:reference) { merge.to_reference(project) }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_merge_request_url(project2.namespace,
@@ -101,14 +101,14 @@ module Gitlab::Markdown
       end
 
       it 'links with adjacent text' do
-        doc = filter("Merge (#{reference}.)")
+        doc = reference_filter("Merge (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
       end
 
       it 'ignores invalid merge IDs on the referenced project' do
         exp = act = "Merge #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'adds to the results hash' do
@@ -124,14 +124,14 @@ module Gitlab::Markdown
       let(:reference) { urls.namespace_project_merge_request_url(project2.namespace, project2, merge) + '/diffs#note_123' }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq reference
       end
 
       it 'links with adjacent text' do
-        doc = filter("Merge (#{reference}.)")
+        doc = reference_filter("Merge (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(merge.to_reference(project))} \(diffs, comment 123\)<\/a>\.\)/)
       end
 
diff --git a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
index 3080a8a3608..73d20957a56 100644
--- a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
@@ -15,48 +15,48 @@ module Gitlab::Markdown
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Snippet #{reference}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
     context 'internal reference' do
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
           namespace_project_snippet_url(project.namespace, project, snippet)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Snippet (#{reference}.)")
+        doc = reference_filter("Snippet (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
       end
 
       it 'ignores invalid snippet IDs' do
         exp = act = "Snippet #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'includes a title attribute' do
-        doc = filter("Snippet #{reference}")
+        doc = reference_filter("Snippet #{reference}")
         expect(doc.css('a').first.attr('title')).to eq "Snippet: #{snippet.title}"
       end
 
       it 'escapes the title attribute' do
         snippet.update_attribute(:title, %{"></a>whatever<a title="})
 
-        doc = filter("Snippet #{reference}")
+        doc = reference_filter("Snippet #{reference}")
         expect(doc.text).to eq "Snippet #{reference}"
       end
 
       it 'includes default classes' do
-        doc = filter("Snippet #{reference}")
+        doc = reference_filter("Snippet #{reference}")
         expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-snippet'
       end
 
       it 'includes a data-project attribute' do
-        doc = filter("Snippet #{reference}")
+        doc = reference_filter("Snippet #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-project')
@@ -64,7 +64,7 @@ module Gitlab::Markdown
       end
 
       it 'includes a data-snippet attribute' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-snippet')
@@ -72,7 +72,7 @@ module Gitlab::Markdown
       end
 
       it 'supports an :only_path context' do
-        doc = filter("Snippet #{reference}", only_path: true)
+        doc = reference_filter("Snippet #{reference}", only_path: true)
         link = doc.css('a').first.attr('href')
 
         expect(link).not_to match %r(https?://)
@@ -92,21 +92,21 @@ module Gitlab::Markdown
       let(:reference) { snippet.to_reference(project) }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_snippet_url(project2.namespace, project2, snippet)
       end
 
       it 'links with adjacent text' do
-        doc = filter("See (#{reference}.)")
+        doc = reference_filter("See (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
       end
 
       it 'ignores invalid snippet IDs on the referenced project' do
         exp = act = "See #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
 
       it 'adds to the results hash' do
@@ -122,21 +122,21 @@ module Gitlab::Markdown
       let(:reference) { urls.namespace_project_snippet_url(project2.namespace, project2, snippet) }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
           to eq urls.namespace_project_snippet_url(project2.namespace, project2, snippet)
       end
 
       it 'links with adjacent text' do
-        doc = filter("See (#{reference}.)")
+        doc = reference_filter("See (#{reference}.)")
         expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(snippet.to_reference(project))}<\/a>\.\)/)
       end
 
       it 'ignores invalid snippet IDs on the referenced project' do
         exp = act = "See #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(invalidate_reference(reference))}<\/a>/)
       end
 
       it 'adds to the results hash' do
diff --git a/spec/support/filter_spec_helper.rb b/spec/support/filter_spec_helper.rb
index 97e5c270a59..91e3bee13c1 100644
--- a/spec/support/filter_spec_helper.rb
+++ b/spec/support/filter_spec_helper.rb
@@ -35,11 +35,24 @@ module FilterSpecHelper
     pipeline.call(body)
   end
 
-  def reference_pipeline_result(body, contexts = {})
+  def reference_pipeline(contexts = {})
     contexts.reverse_merge!(project: project) if defined?(project)
 
-    pipeline = HTML::Pipeline.new([described_class, Gitlab::Markdown::ReferenceGathererFilter], contexts)
-    pipeline.call(body)
+    filters = [
+      Gitlab::Markdown::AutolinkFilter,
+      described_class,
+      Gitlab::Markdown::ReferenceGathererFilter
+    ]
+
+    HTML::Pipeline.new(filters, contexts)
+  end
+
+  def reference_pipeline_result(body, contexts = {})
+    reference_pipeline(contexts).call(body)
+  end
+
+  def reference_filter(html, contexts = {})
+    reference_pipeline(contexts).to_document(html)
   end
 
   # Modify a String reference to make it invalid
-- 
cgit v1.2.1


From 6dad2bc6e67f47149e8981730cf3f08938794ceb Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 16:15:53 +0100
Subject: Fix referenced_mentionables method.

---
 app/models/concerns/mentionable.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/concerns/mentionable.rb b/app/models/concerns/mentionable.rb
index 0d6cd86aade..634a8d0f274 100644
--- a/app/models/concerns/mentionable.rb
+++ b/app/models/concerns/mentionable.rb
@@ -67,7 +67,7 @@ module Mentionable
     # We're using this method instead of Array diffing because that requires
     # both of the object's `hash` values to be the same, which may not be the
     # case for otherwise identical Commit objects.
-    refs.reject! { |ref| ref == local_reference }
+    refs.reject { |ref| ref == local_reference }
   end
 
   # Create a cross-reference Note for each GFM reference to another Mentionable found in +mentionable_text+.
-- 
cgit v1.2.1


From 1d6d757dbd563500671f57f45faa808510a612d1 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 16:25:56 +0100
Subject: Allow reference format as link href

---
 lib/gitlab/markdown.rb                             |  3 ++-
 lib/gitlab/markdown/abstract_reference_filter.rb   | 22 ++++++++++------
 .../markdown/external_issue_reference_filter.rb    | 10 ++++++--
 lib/gitlab/markdown/label_reference_filter.rb      | 10 ++++++--
 lib/gitlab/markdown/reference_filter.rb            | 29 +++++++++++++++++++++-
 lib/gitlab/markdown/relative_link_filter.rb        |  3 +++
 lib/gitlab/markdown/user_reference_filter.rb       | 28 ++++++++++++---------
 7 files changed, 80 insertions(+), 25 deletions(-)

diff --git a/lib/gitlab/markdown.rb b/lib/gitlab/markdown.rb
index b082bfc434b..886a09f52af 100644
--- a/lib/gitlab/markdown.rb
+++ b/lib/gitlab/markdown.rb
@@ -178,7 +178,6 @@ module Gitlab
         Gitlab::Markdown::SanitizationFilter,
 
         Gitlab::Markdown::UploadLinkFilter,
-        Gitlab::Markdown::RelativeLinkFilter,
         Gitlab::Markdown::EmojiFilter,
         Gitlab::Markdown::TableOfContentsFilter,
         Gitlab::Markdown::AutolinkFilter,
@@ -193,6 +192,8 @@ module Gitlab
         Gitlab::Markdown::CommitReferenceFilter,
         Gitlab::Markdown::LabelReferenceFilter,
 
+        Gitlab::Markdown::RelativeLinkFilter,
+
         Gitlab::Markdown::TaskListFilter
       ]
     end
diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index 37ed423eeda..b044a73ed17 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -2,7 +2,7 @@ require 'gitlab/markdown'
 
 module Gitlab
   module Markdown
-    # Issues, Snippets, Merge Requests, Commits and Commit Ranges share
+    # Issues, Merge Requests, Snippets, Commits and Commit Ranges share
     # similar functionality in refernce filtering.
     class AbstractReferenceFilter < ReferenceFilter
       include CrossProjectReference
@@ -64,8 +64,13 @@ module Gitlab
           object_link_filter(content, object_class.reference_pattern)
         end
 
-        replace_link_nodes_matching(object_class.link_reference_pattern) do |content|
-          object_link_filter(content, object_class.link_reference_pattern)
+        replace_link_nodes_with_href(object_class.reference_pattern) do |link, text|
+          object_link_filter(link, object_class.reference_pattern, link_text: text)
+        end
+
+        replace_link_nodes_with_text(object_class.link_reference_pattern) do |text|
+          object_link_filter(text, object_class.link_reference_pattern)
+        end
         end
       end
 
@@ -76,7 +81,7 @@ module Gitlab
       #
       # Returns a String with references replaced with links. All links
       # have `gfm` and `gfm-OBJECT_NAME` class names attached for styling.
-      def object_link_filter(text, pattern)
+      def object_link_filter(text, pattern, link_text: nil)
         references_in(text, pattern) do |match, id, project_ref, matches|
           project = project_from_ref(project_ref)
 
@@ -88,10 +93,13 @@ module Gitlab
             url = matches[:url] if matches.names.include?("url")
             url ||= url_for_object(object, project)
 
-            text = object.reference_link_text(context[:project])
+            text = link_text
+            unless text
+              text = object.reference_link_text(context[:project])
 
-            extras = object_link_text_extras(object, matches)
-            text += " (#{extras.join(", ")})" if extras.any?
+              extras = object_link_text_extras(object, matches)
+              text += " (#{extras.join(", ")})" if extras.any?
+            end
 
             %(<a href="#{url}" #{data}
                  title="#{title}"
diff --git a/lib/gitlab/markdown/external_issue_reference_filter.rb b/lib/gitlab/markdown/external_issue_reference_filter.rb
index 8f86f13976a..14bdf5521fc 100644
--- a/lib/gitlab/markdown/external_issue_reference_filter.rb
+++ b/lib/gitlab/markdown/external_issue_reference_filter.rb
@@ -30,6 +30,10 @@ module Gitlab
         replace_text_nodes_matching(ExternalIssue.reference_pattern) do |content|
           issue_link_filter(content)
         end
+
+        replace_link_nodes_with_href(ExternalIssue.reference_pattern) do |link, text|
+          issue_link_filter(link, link_text: text)
+        end
       end
 
       # Replace `JIRA-123` issue references in text with links to the referenced
@@ -39,7 +43,7 @@ module Gitlab
       #
       # Returns a String with `JIRA-123` references replaced with links. All
       # links have `gfm` and `gfm-issue` class names attached for styling.
-      def issue_link_filter(text)
+      def issue_link_filter(text, link_text: nil)
         project = context[:project]
 
         self.class.references_in(text) do |match, issue|
@@ -49,9 +53,11 @@ module Gitlab
           klass = reference_class(:issue)
           data  = data_attribute(project: project.id)
 
+          text = link_text || match
+
           %(<a href="#{url}" #{data}
                title="#{title}"
-               class="#{klass}">#{match}</a>)
+               class="#{klass}">#{text}</a>)
         end
       end
 
diff --git a/lib/gitlab/markdown/label_reference_filter.rb b/lib/gitlab/markdown/label_reference_filter.rb
index 618acb7a578..4d0507b607d 100644
--- a/lib/gitlab/markdown/label_reference_filter.rb
+++ b/lib/gitlab/markdown/label_reference_filter.rb
@@ -30,6 +30,10 @@ module Gitlab
         replace_text_nodes_matching(Label.reference_pattern) do |content|
           label_link_filter(content)
         end
+
+        replace_link_nodes_with_href(Label.reference_pattern) do |link, text|
+          label_link_filter(link, link_text: text)
+        end
       end
 
       # Replace label references in text with links to the label specified.
@@ -38,7 +42,7 @@ module Gitlab
       #
       # Returns a String with label references replaced with links. All links
       # have `gfm` and `gfm-label` class names attached for styling.
-      def label_link_filter(text)
+      def label_link_filter(text, link_text: nil)
         project = context[:project]
 
         self.class.references_in(text) do |match, id, name|
@@ -49,8 +53,10 @@ module Gitlab
             klass = reference_class(:label)
             data = data_attribute(project: project.id, label: label.id)
 
+            text = link_text || render_colored_label(label)
+
             %(<a href="#{url}" #{data}
-                 class="#{klass}">#{render_colored_label(label)}</a>)
+                 class="#{klass}">#{text}</a>)
           else
             match
           end
diff --git a/lib/gitlab/markdown/reference_filter.rb b/lib/gitlab/markdown/reference_filter.rb
index e52633ee74c..2597784c7ae 100644
--- a/lib/gitlab/markdown/reference_filter.rb
+++ b/lib/gitlab/markdown/reference_filter.rb
@@ -122,7 +122,7 @@ module Gitlab
         doc
       end
 
-      def replace_link_nodes_matching(pattern)
+      def replace_link_nodes_with_text(pattern)
         return doc if project.nil?
 
         doc.search('a').each do |node|
@@ -132,6 +132,9 @@ module Gitlab
           link = node.attr('href')
           text = node.text
 
+          next unless link && text
+
+          link = URI.decode(link)
           # Ignore ending punctionation like periods or commas
           next unless link == text && text =~ /\A#{pattern}/
 
@@ -145,6 +148,30 @@ module Gitlab
         doc
       end
 
+      def replace_link_nodes_with_href(pattern)
+        return doc if project.nil?
+
+        doc.search('a').each do |node|
+          klass = node.attr('class')
+          next if klass && klass.include?('gfm')
+
+          link = node.attr('href')
+          text = node.text
+
+          next unless link && text
+          link = URI.decode(link)
+          next unless link && link =~ /\A#{pattern}\z/
+
+          html = yield link, text
+
+          next if html == link
+
+          node.replace(html)
+        end
+
+        doc
+      end
+
       # Ensure that a :project key exists in context
       #
       # Note that while the key might exist, its value could be nil!
diff --git a/lib/gitlab/markdown/relative_link_filter.rb b/lib/gitlab/markdown/relative_link_filter.rb
index 632be4d7542..692c51fd324 100644
--- a/lib/gitlab/markdown/relative_link_filter.rb
+++ b/lib/gitlab/markdown/relative_link_filter.rb
@@ -17,6 +17,9 @@ module Gitlab
         return doc unless linkable_files?
 
         doc.search('a').each do |el|
+          klass = el.attr('class')
+          next if klass && klass.include?('gfm')
+          
           process_link_attr el.attribute('href')
         end
 
diff --git a/lib/gitlab/markdown/user_reference_filter.rb b/lib/gitlab/markdown/user_reference_filter.rb
index ab5e1f6fe9e..0a20d9c0347 100644
--- a/lib/gitlab/markdown/user_reference_filter.rb
+++ b/lib/gitlab/markdown/user_reference_filter.rb
@@ -52,6 +52,10 @@ module Gitlab
         replace_text_nodes_matching(User.reference_pattern) do |content|
           user_link_filter(content)
         end
+
+        replace_link_nodes_with_href(User.reference_pattern) do |link, text|
+          user_link_filter(link, link_text: text)
+        end
       end
 
       # Replace `@user` user references in text with links to the referenced
@@ -61,12 +65,12 @@ module Gitlab
       #
       # Returns a String with `@user` references replaced with links. All links
       # have `gfm` and `gfm-project_member` class names attached for styling.
-      def user_link_filter(text)
+      def user_link_filter(text, link_text: nil)
         self.class.references_in(text) do |match, username|
           if username == 'all'
-            link_to_all
+            link_to_all(link_text: link_text)
           elsif namespace = Namespace.find_by(path: username)
-            link_to_namespace(namespace) || match
+            link_to_namespace(namespace, link_text: link_text) || match
           else
             match
           end
@@ -83,36 +87,36 @@ module Gitlab
         reference_class(:project_member)
       end
 
-      def link_to_all
+      def link_to_all(link_text: nil)
         project = context[:project]
         url = urls.namespace_project_url(project.namespace, project,
                                          only_path: context[:only_path])
         data = data_attribute(project: project.id)
-        text = User.reference_prefix + 'all'
+        text = link_text || User.reference_prefix + 'all'
 
         link_tag(url, data, text)
       end
 
-      def link_to_namespace(namespace)
+      def link_to_namespace(namespace, link_text: nil)
         if namespace.is_a?(Group)
-          link_to_group(namespace.path, namespace)
+          link_to_group(namespace.path, namespace, link_text: link_text)
         else
-          link_to_user(namespace.path, namespace)
+          link_to_user(namespace.path, namespace, link_text: link_text)
         end
       end
 
-      def link_to_group(group, namespace)
+      def link_to_group(group, namespace, link_text: nil)
         url = urls.group_url(group, only_path: context[:only_path])
         data = data_attribute(group: namespace.id)
-        text = Group.reference_prefix + group
+        text = link_text || Group.reference_prefix + group
 
         link_tag(url, data, text)
       end
 
-      def link_to_user(user, namespace)
+      def link_to_user(user, namespace, link_text: nil)
         url = urls.user_url(user, only_path: context[:only_path])
         data = data_attribute(user: namespace.owner_id)
-        text = User.reference_prefix + user
+        text = link_text || User.reference_prefix + user
 
         link_tag(url, data, text)
       end
-- 
cgit v1.2.1


From d4030a845eebcb913a7aac1e8fd502706669d0cc Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 16:26:05 +0100
Subject: Pick up direct links to issues/MRs as references.

---
 lib/gitlab/markdown/abstract_reference_filter.rb   | 17 +++++-
 .../markdown/commit_range_reference_filter_spec.rb |  2 +-
 .../markdown/commit_reference_filter_spec.rb       |  2 +-
 .../gitlab/markdown/issue_reference_filter_spec.rb | 56 ++++++++++++++---
 .../gitlab/markdown/label_reference_filter_spec.rb | 71 ++++++++++++++++------
 .../merge_request_reference_filter_spec.rb         |  2 +-
 .../markdown/snippet_reference_filter_spec.rb      |  2 +-
 .../gitlab/markdown/user_reference_filter_spec.rb  | 51 ++++++++++++----
 8 files changed, 161 insertions(+), 42 deletions(-)

diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index b044a73ed17..0ec55c0207e 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -60,17 +60,27 @@ module Gitlab
       end
 
       def call
+        # `#123`
         replace_text_nodes_matching(object_class.reference_pattern) do |content|
           object_link_filter(content, object_class.reference_pattern)
         end
 
+        # `[Issue](#123)`, which is turned into
+        # `<a href="#123">Issue</a>`
         replace_link_nodes_with_href(object_class.reference_pattern) do |link, text|
           object_link_filter(link, object_class.reference_pattern, link_text: text)
         end
 
+        # `http://gitlab.example.com/namespace/project/issues/123`, which is turned into
+        # `<a href="http://gitlab.example.com/namespace/project/issues/123">http://gitlab.example.com/namespace/project/issues/123</a>`
         replace_link_nodes_with_text(object_class.link_reference_pattern) do |text|
           object_link_filter(text, object_class.link_reference_pattern)
         end
+
+        # `[Issue](http://gitlab.example.com/namespace/project/issues/123)`, which is turned into
+        # `<a href="http://gitlab.example.com/namespace/project/issues/123">Issue</a>`
+        replace_link_nodes_with_href(object_class.link_reference_pattern) do |link, text|
+          object_link_filter(link, object_class.link_reference_pattern, link_text: text)
         end
       end
 
@@ -88,7 +98,12 @@ module Gitlab
           if project && object = find_object(project, id)
             title = escape_once(object_link_title(object))
             klass = reference_class(object_sym)
-            data  = data_attribute(project: project.id, object_sym => object.id, original: match)
+            
+            data  = data_attribute(
+              original:     link_text || match,
+              project:      project.id,
+              object_sym => object.id
+            )
 
             url = matches[:url] if matches.names.include?("url")
             url ||= url_for_object(object, project)
diff --git a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
index 92158382790..9ce63f9af46 100644
--- a/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_range_reference_filter_spec.rb
@@ -143,7 +143,7 @@ module Gitlab::Markdown
       end
     end
 
-    context 'URL cross-project reference' do
+    context 'cross-project URL reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:project, :public, namespace: namespace) }
       let(:range)  { CommitRange.new("#{commit1.id}...master", project) }
diff --git a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
index 6fe9b165ff5..78a3603269c 100644
--- a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
@@ -132,7 +132,7 @@ module Gitlab::Markdown
       end
     end
 
-    context 'URL cross-project reference' do
+    context 'cross-project URL reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:project, :public, namespace: namespace) }
       let(:commit)    { project2.commit }
diff --git a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
index 0a741688b82..078ff3ed4b2 100644
--- a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
@@ -136,30 +136,70 @@ module Gitlab::Markdown
       end
     end
 
-    context 'URL cross-project reference' do
+    context 'cross-project URL reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:empty_project, :public, namespace: namespace) }
       let(:issue)     { create(:issue, project: project2) }
       let(:reference) { helper.url_for_issue(issue.iid, project2) + "#note_123" }
 
-      it 'ignores valid references when cross-reference project uses external tracker' do
-        expect_any_instance_of(Project).to receive(:get_issue).
-          with(issue.iid).and_return(nil)
+      it 'links to a valid reference' do
+        doc = reference_filter("See #{reference}")
 
-        exp = act = "Issue #{reference}"
-        expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(reference)}<\/a>/)
+        expect(doc.css('a').first.attr('href')).
+          to eq reference
+      end
+
+      it 'links with adjacent text' do
+        doc = reference_filter("Fixed (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(issue.to_reference(project))} \(comment 123\)<\/a>\.\)/)
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Fixed #{reference}")
+        expect(result[:references][:issue]).to eq [issue]
+      end
+    end
+
+    context 'cross-project reference in link href' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:empty_project, :public, namespace: namespace) }
+      let(:issue)     { create(:issue, project: project2) }
+      let(:reference) { %Q{<a href="#{issue.to_reference(project)}">Reference</a>} }
+
+      it 'links to a valid reference' do
+        doc = reference_filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq helper.url_for_issue(issue.iid, project2)
+      end
+
+      it 'links with adjacent text' do
+        doc = reference_filter("Fixed (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>Reference<\/a>\.\)/)
       end
 
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Fixed #{reference}")
+        expect(result[:references][:issue]).to eq [issue]
+      end
+    end
+
+    context 'cross-project URL in link href' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:empty_project, :public, namespace: namespace) }
+      let(:issue)     { create(:issue, project: project2) }
+      let(:reference) { %Q{<a href="#{helper.url_for_issue(issue.iid, project2) + "#note_123"}">Reference</a>} }
+
       it 'links to a valid reference' do
         doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).
-          to eq reference
+          to eq helper.url_for_issue(issue.iid, project2) + "#note_123"
       end
 
       it 'links with adjacent text' do
         doc = reference_filter("Fixed (#{reference}.)")
-        expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(issue.to_reference(project))} \(comment 123\)<\/a>\.\)/)
+        expect(doc.to_html).to match(/\(<a.+>Reference<\/a>\.\)/)
       end
 
       it 'adds to the results hash' do
diff --git a/spec/lib/gitlab/markdown/label_reference_filter_spec.rb b/spec/lib/gitlab/markdown/label_reference_filter_spec.rb
index fc21b65a843..ef6dd524aba 100644
--- a/spec/lib/gitlab/markdown/label_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/label_reference_filter_spec.rb
@@ -16,17 +16,17 @@ module Gitlab::Markdown
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Label #{reference}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
     it 'includes default classes' do
-      doc = filter("Label #{reference}")
+      doc = reference_filter("Label #{reference}")
       expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-label'
     end
 
     it 'includes a data-project attribute' do
-      doc = filter("Label #{reference}")
+      doc = reference_filter("Label #{reference}")
       link = doc.css('a').first
 
       expect(link).to have_attribute('data-project')
@@ -34,7 +34,7 @@ module Gitlab::Markdown
     end
 
     it 'includes a data-label attribute' do
-      doc = filter("See #{reference}")
+      doc = reference_filter("See #{reference}")
       link = doc.css('a').first
 
       expect(link).to have_attribute('data-label')
@@ -42,7 +42,7 @@ module Gitlab::Markdown
     end
 
     it 'supports an :only_path context' do
-      doc = filter("Label #{reference}", only_path: true)
+      doc = reference_filter("Label #{reference}", only_path: true)
       link = doc.css('a').first.attr('href')
 
       expect(link).not_to match %r(https?://)
@@ -56,33 +56,33 @@ module Gitlab::Markdown
 
     describe 'label span element' do
       it 'includes default classes' do
-        doc = filter("Label #{reference}")
+        doc = reference_filter("Label #{reference}")
         expect(doc.css('a span').first.attr('class')).to eq 'label color-label'
       end
 
       it 'includes a style attribute' do
-        doc = filter("Label #{reference}")
+        doc = reference_filter("Label #{reference}")
         expect(doc.css('a span').first.attr('style')).to match(/\Abackground-color: #\h{6}; color: #\h{6}\z/)
       end
     end
 
     context 'Integer-based references' do
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
           namespace_project_issues_url(project.namespace, project, label_name: label.name)
       end
 
       it 'links with adjacent text' do
-        doc = filter("Label (#{reference}.)")
+        doc = reference_filter("Label (#{reference}.)")
         expect(doc.to_html).to match(%r(\(<a.+><span.+>#{label.name}</span></a>\.\)))
       end
 
       it 'ignores invalid label IDs' do
         exp = act = "Label #{invalidate_reference(reference)}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -91,7 +91,7 @@ module Gitlab::Markdown
       let(:reference) { "#{Label.reference_prefix}#{label.name}" }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
           namespace_project_issues_url(project.namespace, project, label_name: label.name)
@@ -99,14 +99,14 @@ module Gitlab::Markdown
       end
 
       it 'links with adjacent text' do
-        doc = filter("Label (#{reference}.)")
+        doc = reference_filter("Label (#{reference}.)")
         expect(doc.to_html).to match(%r(\(<a.+><span.+>#{label.name}</span></a>\.\)))
       end
 
       it 'ignores invalid label names' do
         exp = act = "Label #{Label.reference_prefix}#{label.name.reverse}"
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -115,7 +115,7 @@ module Gitlab::Markdown
       let(:reference) { label.to_reference(:name) }
 
       it 'links to a valid reference' do
-        doc = filter("See #{reference}")
+        doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
           namespace_project_issues_url(project.namespace, project, label_name: label.name)
@@ -123,21 +123,58 @@ module Gitlab::Markdown
       end
 
       it 'links with adjacent text' do
-        doc = filter("Label (#{reference}.)")
+        doc = reference_filter("Label (#{reference}.)")
         expect(doc.to_html).to match(%r(\(<a.+><span.+>#{label.name}</span></a>\.\)))
       end
 
       it 'ignores invalid label names' do
         exp = act = %(Label #{Label.reference_prefix}"#{label.name.reverse}")
 
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
     describe 'edge cases' do
       it 'gracefully handles non-references matching the pattern' do
         exp = act = '(format nil "~0f" 3.0) ; 3.0'
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
+      end
+    end
+
+    describe 'referencing a label in a link href' do
+      let(:reference) { %Q{<a href="#{label.to_reference}">Label</a>} }
+
+      it 'links to a valid reference' do
+        doc = reference_filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).to eq urls.
+          namespace_project_issues_url(project.namespace, project, label_name: label.name)
+      end
+
+      it 'links with adjacent text' do
+        doc = reference_filter("Label (#{reference}.)")
+        expect(doc.to_html).to match(%r(\(<a.+>Label</a>\.\)))
+      end
+
+      it 'includes a data-project attribute' do
+        doc = reference_filter("Label #{reference}")
+        link = doc.css('a').first
+
+        expect(link).to have_attribute('data-project')
+        expect(link.attr('data-project')).to eq project.id.to_s
+      end
+
+      it 'includes a data-label attribute' do
+        doc = reference_filter("See #{reference}")
+        link = doc.css('a').first
+
+        expect(link).to have_attribute('data-label')
+        expect(link.attr('data-label')).to eq label.id.to_s
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Label #{reference}")
+        expect(result[:references][:label]).to eq [label]
       end
     end
   end
diff --git a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
index cdb3390e793..4a232051127 100644
--- a/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/merge_request_reference_filter_spec.rb
@@ -117,7 +117,7 @@ module Gitlab::Markdown
       end
     end
 
-    context 'URL cross-project reference' do
+    context 'cross-project URL reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:project, :public, namespace: namespace) }
       let(:merge)     { create(:merge_request, source_project: project2, target_project: project2) }
diff --git a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
index 73d20957a56..b6f05710c3b 100644
--- a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
@@ -115,7 +115,7 @@ module Gitlab::Markdown
       end
     end
 
-    context 'URL cross-project reference' do
+    context 'cross-project URL reference' do
       let(:namespace) { create(:namespace, name: 'cross-reference') }
       let(:project2)  { create(:empty_project, :public, namespace: namespace) }
       let(:snippet)   { create(:project_snippet, project: project2) }
diff --git a/spec/lib/gitlab/markdown/user_reference_filter_spec.rb b/spec/lib/gitlab/markdown/user_reference_filter_spec.rb
index d9e0d7c42db..25379f0670e 100644
--- a/spec/lib/gitlab/markdown/user_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/user_reference_filter_spec.rb
@@ -14,13 +14,13 @@ module Gitlab::Markdown
 
     it 'ignores invalid users' do
       exp = act = "Hey #{invalidate_reference(reference)}"
-      expect(filter(act).to_html).to eq(exp)
+      expect(reference_filter(act).to_html).to eq(exp)
     end
 
     %w(pre code a style).each do |elem|
       it "ignores valid references contained inside '#{elem}' element" do
         exp = act = "<#{elem}>Hey #{reference}</#{elem}>"
-        expect(filter(act).to_html).to eq exp
+        expect(reference_filter(act).to_html).to eq exp
       end
     end
 
@@ -32,7 +32,7 @@ module Gitlab::Markdown
       end
 
       it 'supports a special @all mention' do
-        doc = filter("Hey #{reference}")
+        doc = reference_filter("Hey #{reference}")
         expect(doc.css('a').length).to eq 1
         expect(doc.css('a').first.attr('href'))
           .to eq urls.namespace_project_url(project.namespace, project)
@@ -46,26 +46,26 @@ module Gitlab::Markdown
 
     context 'mentioning a user' do
       it 'links to a User' do
-        doc = filter("Hey #{reference}")
+        doc = reference_filter("Hey #{reference}")
         expect(doc.css('a').first.attr('href')).to eq urls.user_url(user)
       end
 
       it 'links to a User with a period' do
         user = create(:user, name: 'alphA.Beta')
 
-        doc = filter("Hey #{user.to_reference}")
+        doc = reference_filter("Hey #{user.to_reference}")
         expect(doc.css('a').length).to eq 1
       end
 
       it 'links to a User with an underscore' do
         user = create(:user, name: 'ping_pong_king')
 
-        doc = filter("Hey #{user.to_reference}")
+        doc = reference_filter("Hey #{user.to_reference}")
         expect(doc.css('a').length).to eq 1
       end
 
       it 'includes a data-user attribute' do
-        doc = filter("Hey #{reference}")
+        doc = reference_filter("Hey #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-user')
@@ -83,12 +83,12 @@ module Gitlab::Markdown
       let(:reference) { group.to_reference }
 
       it 'links to the Group' do
-        doc = filter("Hey #{reference}")
+        doc = reference_filter("Hey #{reference}")
         expect(doc.css('a').first.attr('href')).to eq urls.group_url(group)
       end
 
       it 'includes a data-group attribute' do
-        doc = filter("Hey #{reference}")
+        doc = reference_filter("Hey #{reference}")
         link = doc.css('a').first
 
         expect(link).to have_attribute('data-group')
@@ -102,21 +102,48 @@ module Gitlab::Markdown
     end
 
     it 'links with adjacent text' do
-      doc = filter("Mention me (#{reference}.)")
+      doc = reference_filter("Mention me (#{reference}.)")
       expect(doc.to_html).to match(/\(<a.+>#{reference}<\/a>\.\)/)
     end
 
     it 'includes default classes' do
-      doc = filter("Hey #{reference}")
+      doc = reference_filter("Hey #{reference}")
       expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-project_member'
     end
 
     it 'supports an :only_path context' do
-      doc = filter("Hey #{reference}", only_path: true)
+      doc = reference_filter("Hey #{reference}", only_path: true)
       link = doc.css('a').first.attr('href')
 
       expect(link).not_to match %r(https?://)
       expect(link).to eq urls.user_path(user)
     end
+
+    context 'referencing a user in a link href' do
+      let(:reference) { %Q{<a href="#{user.to_reference}">User</a>} }
+
+      it 'links to a User' do
+        doc = reference_filter("Hey #{reference}")
+        expect(doc.css('a').first.attr('href')).to eq urls.user_url(user)
+      end
+
+      it 'links with adjacent text' do
+        doc = reference_filter("Mention me (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>User<\/a>\.\)/)
+      end
+
+      it 'includes a data-user attribute' do
+        doc = reference_filter("Hey #{reference}")
+        link = doc.css('a').first
+
+        expect(link).to have_attribute('data-user')
+        expect(link.attr('data-user')).to eq user.namespace.owner_id.to_s
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Hey #{reference}")
+        expect(result[:references][:user]).to eq [user]
+      end
+    end
   end
 end
-- 
cgit v1.2.1


From c07f0fa735ba0d4cd926e601ebb3a40cfa197e21 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 17:04:32 +0100
Subject: Add new references to markdown feature spec.

---
 spec/fixtures/markdown.md.erb              | 17 +++++++++++++++++
 spec/support/matchers/markdown_matchers.rb | 14 +++++++-------
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/spec/fixtures/markdown.md.erb b/spec/fixtures/markdown.md.erb
index 41d12afa9ce..76e733165ca 100644
--- a/spec/fixtures/markdown.md.erb
+++ b/spec/fixtures/markdown.md.erb
@@ -153,6 +153,7 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Ignores invalid: <%= User.reference_prefix %>fake_user
 - Ignored in code: `<%= user.to_reference %>`
 - Ignored in links: [Link to <%= user.to_reference %>](#user-link)
+- Link to user by reference: [User](<%= user.to_reference %>)
 
 #### IssueReferenceFilter
 
@@ -160,6 +161,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Issue in another project: <%= xissue.to_reference(project) %>
 - Ignored in code: `<%= issue.to_reference %>`
 - Ignored in links: [Link to <%= issue.to_reference %>](#issue-link)
+- Issue by URL: <%= Gitlab.config.gitlab.url %>/<%= issue.project.to_reference %>/issues/<%= issue.iid %>
+- Link to issue by reference: [Issue](<%= issue.to_reference %>)
+- Link to issue by URL: [Issue](<%= Gitlab.config.gitlab.url %>/<%= issue.project.to_reference %>/issues/<%= issue.iid %>)
 
 #### MergeRequestReferenceFilter
 
@@ -167,6 +171,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Merge request in another project: <%= xmerge_request.to_reference(project) %>
 - Ignored in code: `<%= merge_request.to_reference %>`
 - Ignored in links: [Link to <%= merge_request.to_reference %>](#merge-request-link)
+- Merge request by URL: <%= Gitlab.config.gitlab.url %>/<%= merge_request.project.to_reference %>/merge_requests/<%= merge_request.iid %>
+- Link to merge request by reference: [Merge request](<%= merge_request.to_reference %>)
+- Link to merge request by URL: [Merge request](<%= Gitlab.config.gitlab.url %>/<%= merge_request.project.to_reference %>/merge_requests/<%= merge_request.iid %>)
 
 #### SnippetReferenceFilter
 
@@ -174,6 +181,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Snippet in another project: <%= xsnippet.to_reference(project) %>
 - Ignored in code: `<%= snippet.to_reference %>`
 - Ignored in links: [Link to <%= snippet.to_reference %>](#snippet-link)
+- Snippet by URL: <%= Gitlab.config.gitlab.url %>/<%= snippet.project.to_reference %>/snippets/<%= snippet.id %>
+- Link to snippet by reference: [Snippet](<%= snippet.to_reference %>)
+- Link to snippet by URL: [Snippet](<%= Gitlab.config.gitlab.url %>/<%= snippet.project.to_reference %>/snippets/<%= snippet.id %>)
 
 #### CommitRangeReferenceFilter
 
@@ -181,6 +191,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Range in another project: <%= xcommit_range.to_reference(project) %>
 - Ignored in code: `<%= commit_range.to_reference %>`
 - Ignored in links: [Link to <%= commit_range.to_reference %>](#commit-range-link)
+- Range by URL: <%= Gitlab.config.gitlab.url %>/<%= commit_range.project.to_reference %>/compare/<%= commit_range.id %>
+- Link to range by reference: [Range](<%= commit_range.to_reference %>)
+- Link to range by URL: [Range](<%= Gitlab.config.gitlab.url %>/<%= commit_range.project.to_reference %>/compare/<%= commit_range.id %>)
 
 #### CommitReferenceFilter
 
@@ -188,6 +201,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Commit in another project: <%= xcommit.to_reference(project) %>
 - Ignored in code: `<%= commit.to_reference %>`
 - Ignored in links: [Link to <%= commit.to_reference %>](#commit-link)
+- Commit by URL: <%= Gitlab.config.gitlab.url %>/<%= commit.project.to_reference %>/commit/<%= commit.id %>
+- Link to commit by reference: [Commit](<%= commit.to_reference %>)
+- Link to commit by URL: [Commit](<%= Gitlab.config.gitlab.url %>/<%= commit.project.to_reference %>/commit/<%= commit.id %>)
 
 #### LabelReferenceFilter
 
@@ -196,6 +212,7 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Label by name in quotes: <%= label.to_reference(:name) %>
 - Ignored in code: `<%= simple_label.to_reference %>`
 - Ignored in links: [Link to <%= simple_label.to_reference %>](#label-link)
+- Link to label by reference: [Label](<%= label.to_reference %>)
 
 ### Task Lists
 
diff --git a/spec/support/matchers/markdown_matchers.rb b/spec/support/matchers/markdown_matchers.rb
index 7500d0fdf80..7eadcd58c1f 100644
--- a/spec/support/matchers/markdown_matchers.rb
+++ b/spec/support/matchers/markdown_matchers.rb
@@ -71,7 +71,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-project_member', count: 3)
+      expect(actual).to have_selector('a.gfm.gfm-project_member', count: 4)
     end
   end
 
@@ -80,7 +80,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-issue', count: 3)
+      expect(actual).to have_selector('a.gfm.gfm-issue', count: 6)
     end
   end
 
@@ -89,7 +89,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-merge_request', count: 3)
+      expect(actual).to have_selector('a.gfm.gfm-merge_request', count: 6)
       expect(actual).to have_selector('em a.gfm-merge_request')
     end
   end
@@ -99,7 +99,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-snippet', count: 2)
+      expect(actual).to have_selector('a.gfm.gfm-snippet', count: 5)
     end
   end
 
@@ -108,7 +108,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-commit_range', count: 2)
+      expect(actual).to have_selector('a.gfm.gfm-commit_range', count: 5)
     end
   end
 
@@ -117,7 +117,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-commit', count: 2)
+      expect(actual).to have_selector('a.gfm.gfm-commit', count: 5)
     end
   end
 
@@ -126,7 +126,7 @@ module MarkdownMatchers
     set_default_markdown_messages
 
     match do |actual|
-      expect(actual).to have_selector('a.gfm.gfm-label', count: 3)
+      expect(actual).to have_selector('a.gfm.gfm-label', count: 4)
     end
   end
 
-- 
cgit v1.2.1


From 2f5074dc395c784f91abb3bacd23e75ce080a547 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Tue, 1 Dec 2015 17:13:47 +0100
Subject: Expand inline docs.

---
 lib/gitlab/markdown/abstract_reference_filter.rb |  6 ++++--
 lib/gitlab/markdown/reference_filter.rb          | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/lib/gitlab/markdown/abstract_reference_filter.rb b/lib/gitlab/markdown/abstract_reference_filter.rb
index 0ec55c0207e..9488e980c08 100644
--- a/lib/gitlab/markdown/abstract_reference_filter.rb
+++ b/lib/gitlab/markdown/abstract_reference_filter.rb
@@ -3,7 +3,7 @@ require 'gitlab/markdown'
 module Gitlab
   module Markdown
     # Issues, Merge Requests, Snippets, Commits and Commit Ranges share
-    # similar functionality in refernce filtering.
+    # similar functionality in reference filtering.
     class AbstractReferenceFilter < ReferenceFilter
       include CrossProjectReference
 
@@ -88,6 +88,8 @@ module Gitlab
       # to the referenced object's details page.
       #
       # text - String text to replace references in.
+      # pattern - Reference pattern to match against.
+      # link_text - Original content of the link being replaced.
       #
       # Returns a String with references replaced with links. All links
       # have `gfm` and `gfm-OBJECT_NAME` class names attached for styling.
@@ -98,7 +100,7 @@ module Gitlab
           if project && object = find_object(project, id)
             title = escape_once(object_link_title(object))
             klass = reference_class(object_sym)
-            
+
             data  = data_attribute(
               original:     link_text || match,
               project:      project.id,
diff --git a/lib/gitlab/markdown/reference_filter.rb b/lib/gitlab/markdown/reference_filter.rb
index 2597784c7ae..b6d93e05ec7 100644
--- a/lib/gitlab/markdown/reference_filter.rb
+++ b/lib/gitlab/markdown/reference_filter.rb
@@ -122,6 +122,18 @@ module Gitlab
         doc
       end
 
+      # Iterate through the document's link nodes, yielding the current node's
+      # content if:
+      #
+      # * The `project` context value is present AND
+      # * The node's content matches `pattern`
+      #
+      # pattern - Regex pattern against which to match the node's content
+      #
+      # Yields the current node's String contents. The result of the block will
+      # replace the node and update the current document.
+      #
+      # Returns the updated Nokogiri::HTML::DocumentFragment object.
       def replace_link_nodes_with_text(pattern)
         return doc if project.nil?
 
@@ -148,6 +160,18 @@ module Gitlab
         doc
       end
 
+      # Iterate through the document's link nodes, yielding the current node's
+      # content if:
+      #
+      # * The `project` context value is present AND
+      # * The node's HREF matches `pattern`
+      #
+      # pattern - Regex pattern against which to match the node's HREF
+      #
+      # Yields the current node's String HREF and String content.
+      # The result of the block will replace the node and update the current document.
+      #
+      # Returns the updated Nokogiri::HTML::DocumentFragment object.
       def replace_link_nodes_with_href(pattern)
         return doc if project.nil?
 
-- 
cgit v1.2.1


From 9aac53bcee8f5fc99ec84036d688801d987959ea Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Wed, 2 Dec 2015 10:54:24 +0100
Subject: Satisfy Rubocop

---
 app/models/commit_range.rb                                | 2 +-
 spec/lib/gitlab/markdown/commit_reference_filter_spec.rb  | 2 +-
 spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/models/commit_range.rb b/app/models/commit_range.rb
index b8bf36b32ce..14e7971fa06 100644
--- a/app/models/commit_range.rb
+++ b/app/models/commit_range.rb
@@ -93,7 +93,7 @@ class CommitRange
 
   def to_reference(from_project = nil)
     if cross_project_reference?(from_project)
-      reference = project.to_reference + self.class.reference_prefix + self.id
+      project.to_reference + self.class.reference_prefix + self.id
     else
       self.id
     end
diff --git a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
index 78a3603269c..462a41b4756 100644
--- a/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/commit_reference_filter_spec.rb
@@ -152,7 +152,7 @@ module Gitlab::Markdown
       end
 
       it 'ignores invalid commit IDs on the referenced project' do
-        exp = act = "Committed #{invalidate_reference(reference)}"
+        act = "Committed #{invalidate_reference(reference)}"
         expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(invalidate_reference(reference))}<\/a>/)
       end
 
diff --git a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
index b6f05710c3b..3a9acc9d6d4 100644
--- a/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/snippet_reference_filter_spec.rb
@@ -134,7 +134,7 @@ module Gitlab::Markdown
       end
 
       it 'ignores invalid snippet IDs on the referenced project' do
-        exp = act = "See #{invalidate_reference(reference)}"
+        act = "See #{invalidate_reference(reference)}"
 
         expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(invalidate_reference(reference))}<\/a>/)
       end
-- 
cgit v1.2.1


From edc37c25204d7a4446d15eac94e6e1d92d613ed9 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Wed, 2 Dec 2015 10:56:39 +0100
Subject: Add changelog item

---
 CHANGELOG | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG b/CHANGELOG
index 090b54f41a4..01e7e8d20bd 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -7,6 +7,7 @@ v 8.3.0 (unreleased)
   - Fix 500 error when update group member permission
   - Fix: Raw private snippets access workflow
   - Trim leading and trailing whitespace of milestone and issueable titles (Jose Corcuera)
+  - Recognize issue/MR/snippet/commit links as references
 
 v 8.2.1
   - Forcefully update builds that didn't want to update with state machine
-- 
cgit v1.2.1


From 044e0e33dce9371430a3c91e63f9f687b536d35b Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Wed, 2 Dec 2015 18:48:39 +0100
Subject: Allow invalid URLs in closing pattern

---
 lib/gitlab/closing_issue_extractor.rb           |  4 +-
 spec/lib/gitlab/closing_issue_extractor_spec.rb | 49 +++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/lib/gitlab/closing_issue_extractor.rb b/lib/gitlab/closing_issue_extractor.rb
index 0cf4c918736..9bef9037ad6 100644
--- a/lib/gitlab/closing_issue_extractor.rb
+++ b/lib/gitlab/closing_issue_extractor.rb
@@ -1,8 +1,10 @@
 module Gitlab
   class ClosingIssueExtractor
     ISSUE_CLOSING_REGEX = begin
+      link_pattern = URI.regexp(%w(http https))
+
       pattern = Gitlab.config.gitlab.issue_closing_pattern
-      pattern = pattern.sub('%{issue_ref}', "(?:(?:#{Issue.link_reference_pattern})|(?:#{Issue.reference_pattern}))")
+      pattern = pattern.sub('%{issue_ref}', "(?:(?:#{link_pattern})|(?:#{Issue.reference_pattern}))")
       Regexp.new(pattern).freeze
     end
 
diff --git a/spec/lib/gitlab/closing_issue_extractor_spec.rb b/spec/lib/gitlab/closing_issue_extractor_spec.rb
index 21254f778d3..e9d7e8c1111 100644
--- a/spec/lib/gitlab/closing_issue_extractor_spec.rb
+++ b/spec/lib/gitlab/closing_issue_extractor_spec.rb
@@ -2,11 +2,18 @@ require 'spec_helper'
 
 describe Gitlab::ClosingIssueExtractor do
   let(:project)   { create(:project) }
+  let(:project2)   { create(:project) }
   let(:issue)     { create(:issue, project: project) }
+  let(:issue2)     { create(:issue, project: project2) }
   let(:reference) { issue.to_reference }
+  let(:cross_reference) { issue2.to_reference(project) }
 
   subject { described_class.new(project, project.creator) }
 
+  before do
+    project2.team << [project.creator, :master]
+  end
+
   describe "#closed_by_message" do
     context 'with a single reference' do
       it do
@@ -130,6 +137,27 @@ describe Gitlab::ClosingIssueExtractor do
       end
     end
 
+    context "with a cross-project reference" do
+      it do
+        message = "Closes #{cross_reference}"
+        expect(subject.closed_by_message(message)).to eq([issue2])
+      end
+    end
+
+    context "with a cross-project URL" do
+      it do
+        message = "Closes #{Gitlab.config.gitlab.url}/#{project2.to_reference}/issues/#{issue2.iid}"
+        expect(subject.closed_by_message(message)).to eq([issue2])
+      end
+    end
+
+    context "with an invalid URL" do
+      it do
+        message = "Closes https://google.com/#{project2.to_reference}/issues/#{issue2.iid}"
+        expect(subject.closed_by_message(message)).to eq([])
+      end
+    end
+
     context 'with multiple references' do
       let(:other_issue) { create(:issue, project: project) }
       let(:third_issue) { create(:issue, project: project) }
@@ -171,6 +199,27 @@ describe Gitlab::ClosingIssueExtractor do
         expect(subject.closed_by_message(message)).
             to match_array([issue, other_issue, third_issue])
       end
+
+      it "fetches cross-project references" do
+        message = "Closes #{reference} and #{cross_reference}"
+
+        expect(subject.closed_by_message(message)).
+            to match_array([issue, issue2])
+      end
+
+      it "fetches cross-project URL references" do
+        message = "Closes #{Gitlab.config.gitlab.url}/#{project2.to_reference}/issues/#{issue2.iid} and #{reference}"
+
+        expect(subject.closed_by_message(message)).
+            to match_array([issue, issue2])
+      end
+
+      it "ignores invalid cross-project URL references" do
+        message = "Closes https://google.com/#{project2.to_reference}/issues/#{issue2.iid} and #{reference}"
+
+        expect(subject.closed_by_message(message)).
+            to match_array([issue])
+      end
     end
   end
 end
-- 
cgit v1.2.1


From f905fd239c79f391ce5a7cc2c5c6648b3d6380e4 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Thu, 3 Dec 2015 14:00:00 +0100
Subject: Use URL helpers in specs

---
 lib/gitlab/markdown/label_reference_filter.rb        |  4 ++--
 spec/fixtures/markdown.md.erb                        | 20 ++++++++++----------
 spec/lib/gitlab/closing_issue_extractor_spec.rb      | 12 ++++++++----
 .../gitlab/markdown/label_reference_filter_spec.rb   |  6 +++---
 spec/support/markdown_feature.rb                     |  4 ++++
 5 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/lib/gitlab/markdown/label_reference_filter.rb b/lib/gitlab/markdown/label_reference_filter.rb
index a23aa0adeec..ec2b179b7de 100644
--- a/lib/gitlab/markdown/label_reference_filter.rb
+++ b/lib/gitlab/markdown/label_reference_filter.rb
@@ -65,8 +65,8 @@ module Gitlab
 
       def url_for_label(project, label)
         h = Gitlab::Application.routes.url_helpers
-        h.namespace_project_issues_path(project.namespace, project,
-                                        label_name: label.name)
+        h.namespace_project_issues_url( project.namespace, project, label_name: label.name,
+                                        only_path: context[:only_path])
       end
 
       def render_colored_label(label)
diff --git a/spec/fixtures/markdown.md.erb b/spec/fixtures/markdown.md.erb
index 76e733165ca..e8dfc5c0eb1 100644
--- a/spec/fixtures/markdown.md.erb
+++ b/spec/fixtures/markdown.md.erb
@@ -161,9 +161,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Issue in another project: <%= xissue.to_reference(project) %>
 - Ignored in code: `<%= issue.to_reference %>`
 - Ignored in links: [Link to <%= issue.to_reference %>](#issue-link)
-- Issue by URL: <%= Gitlab.config.gitlab.url %>/<%= issue.project.to_reference %>/issues/<%= issue.iid %>
+- Issue by URL: <%= urls.namespace_project_issue_url(issue.project.namespace, issue.project, issue) %>
 - Link to issue by reference: [Issue](<%= issue.to_reference %>)
-- Link to issue by URL: [Issue](<%= Gitlab.config.gitlab.url %>/<%= issue.project.to_reference %>/issues/<%= issue.iid %>)
+- Link to issue by URL: [Issue](<%= urls.namespace_project_issue_url(issue.project.namespace, issue.project, issue) %>)
 
 #### MergeRequestReferenceFilter
 
@@ -171,9 +171,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Merge request in another project: <%= xmerge_request.to_reference(project) %>
 - Ignored in code: `<%= merge_request.to_reference %>`
 - Ignored in links: [Link to <%= merge_request.to_reference %>](#merge-request-link)
-- Merge request by URL: <%= Gitlab.config.gitlab.url %>/<%= merge_request.project.to_reference %>/merge_requests/<%= merge_request.iid %>
+- Merge request by URL: <%= urls.namespace_project_merge_request_url(merge_request.project.namespace, merge_request.project, merge_request) %>
 - Link to merge request by reference: [Merge request](<%= merge_request.to_reference %>)
-- Link to merge request by URL: [Merge request](<%= Gitlab.config.gitlab.url %>/<%= merge_request.project.to_reference %>/merge_requests/<%= merge_request.iid %>)
+- Link to merge request by URL: [Merge request](<%= urls.namespace_project_merge_request_url(merge_request.project.namespace, merge_request.project, merge_request) %>)
 
 #### SnippetReferenceFilter
 
@@ -181,9 +181,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Snippet in another project: <%= xsnippet.to_reference(project) %>
 - Ignored in code: `<%= snippet.to_reference %>`
 - Ignored in links: [Link to <%= snippet.to_reference %>](#snippet-link)
-- Snippet by URL: <%= Gitlab.config.gitlab.url %>/<%= snippet.project.to_reference %>/snippets/<%= snippet.id %>
+- Snippet by URL: <%= urls.namespace_project_snippet_url(snippet.project.namespace, snippet.project, snippet) %>
 - Link to snippet by reference: [Snippet](<%= snippet.to_reference %>)
-- Link to snippet by URL: [Snippet](<%= Gitlab.config.gitlab.url %>/<%= snippet.project.to_reference %>/snippets/<%= snippet.id %>)
+- Link to snippet by URL: [Snippet](<%= urls.namespace_project_snippet_url(snippet.project.namespace, snippet.project, snippet) %>)
 
 #### CommitRangeReferenceFilter
 
@@ -191,9 +191,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Range in another project: <%= xcommit_range.to_reference(project) %>
 - Ignored in code: `<%= commit_range.to_reference %>`
 - Ignored in links: [Link to <%= commit_range.to_reference %>](#commit-range-link)
-- Range by URL: <%= Gitlab.config.gitlab.url %>/<%= commit_range.project.to_reference %>/compare/<%= commit_range.id %>
+- Range by URL: <%= urls.namespace_project_compare_url(commit_range.project.namespace, commit_range.project, commit_range.to_param) %>
 - Link to range by reference: [Range](<%= commit_range.to_reference %>)
-- Link to range by URL: [Range](<%= Gitlab.config.gitlab.url %>/<%= commit_range.project.to_reference %>/compare/<%= commit_range.id %>)
+- Link to range by URL: [Range](<%= urls.namespace_project_compare_url(commit_range.project.namespace, commit_range.project, commit_range.to_param) %>)
 
 #### CommitReferenceFilter
 
@@ -201,9 +201,9 @@ References should be parseable even inside _<%= merge_request.to_reference %>_ e
 - Commit in another project: <%= xcommit.to_reference(project) %>
 - Ignored in code: `<%= commit.to_reference %>`
 - Ignored in links: [Link to <%= commit.to_reference %>](#commit-link)
-- Commit by URL: <%= Gitlab.config.gitlab.url %>/<%= commit.project.to_reference %>/commit/<%= commit.id %>
+- Commit by URL: <%= urls.namespace_project_commit_url(commit.project.namespace, commit.project, commit) %>
 - Link to commit by reference: [Commit](<%= commit.to_reference %>)
-- Link to commit by URL: [Commit](<%= Gitlab.config.gitlab.url %>/<%= commit.project.to_reference %>/commit/<%= commit.id %>)
+- Link to commit by URL: [Commit](<%= urls.namespace_project_commit_url(commit.project.namespace, commit.project, commit) %>)
 
 #### LabelReferenceFilter
 
diff --git a/spec/lib/gitlab/closing_issue_extractor_spec.rb b/spec/lib/gitlab/closing_issue_extractor_spec.rb
index e9d7e8c1111..fe1b94a484e 100644
--- a/spec/lib/gitlab/closing_issue_extractor_spec.rb
+++ b/spec/lib/gitlab/closing_issue_extractor_spec.rb
@@ -146,14 +146,14 @@ describe Gitlab::ClosingIssueExtractor do
 
     context "with a cross-project URL" do
       it do
-        message = "Closes #{Gitlab.config.gitlab.url}/#{project2.to_reference}/issues/#{issue2.iid}"
+        message = "Closes #{urls.namespace_project_issue_url(issue2.project.namespace, issue2.project, issue2)}"
         expect(subject.closed_by_message(message)).to eq([issue2])
       end
     end
 
     context "with an invalid URL" do
       it do
-        message = "Closes https://google.com/#{project2.to_reference}/issues/#{issue2.iid}"
+        message = "Closes https://google.com#{urls.namespace_project_issue_path(issue2.project.namespace, issue2.project, issue2)}"
         expect(subject.closed_by_message(message)).to eq([])
       end
     end
@@ -208,18 +208,22 @@ describe Gitlab::ClosingIssueExtractor do
       end
 
       it "fetches cross-project URL references" do
-        message = "Closes #{Gitlab.config.gitlab.url}/#{project2.to_reference}/issues/#{issue2.iid} and #{reference}"
+        message = "Closes #{urls.namespace_project_issue_url(issue2.project.namespace, issue2.project, issue2)} and #{reference}"
 
         expect(subject.closed_by_message(message)).
             to match_array([issue, issue2])
       end
 
       it "ignores invalid cross-project URL references" do
-        message = "Closes https://google.com/#{project2.to_reference}/issues/#{issue2.iid} and #{reference}"
+        message = "Closes https://google.com#{urls.namespace_project_issue_path(issue2.project.namespace, issue2.project, issue2)} and #{reference}"
 
         expect(subject.closed_by_message(message)).
             to match_array([issue])
       end
     end
   end
+
+  def urls
+    Gitlab::Application.routes.url_helpers
+  end
 end
diff --git a/spec/lib/gitlab/markdown/label_reference_filter_spec.rb b/spec/lib/gitlab/markdown/label_reference_filter_spec.rb
index f5a6d67f772..ef6dd524aba 100644
--- a/spec/lib/gitlab/markdown/label_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/label_reference_filter_spec.rb
@@ -71,7 +71,7 @@ module Gitlab::Markdown
         doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
-          namespace_project_issues_path(project.namespace, project, label_name: label.name)
+          namespace_project_issues_url(project.namespace, project, label_name: label.name)
       end
 
       it 'links with adjacent text' do
@@ -94,7 +94,7 @@ module Gitlab::Markdown
         doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
-          namespace_project_issues_path(project.namespace, project, label_name: label.name)
+          namespace_project_issues_url(project.namespace, project, label_name: label.name)
         expect(doc.text).to eq 'See gfm'
       end
 
@@ -118,7 +118,7 @@ module Gitlab::Markdown
         doc = reference_filter("See #{reference}")
 
         expect(doc.css('a').first.attr('href')).to eq urls.
-          namespace_project_issues_path(project.namespace, project, label_name: label.name)
+          namespace_project_issues_url(project.namespace, project, label_name: label.name)
         expect(doc.text).to eq 'See gfm references'
       end
 
diff --git a/spec/support/markdown_feature.rb b/spec/support/markdown_feature.rb
index bedc1a7f1db..d6d3062a197 100644
--- a/spec/support/markdown_feature.rb
+++ b/spec/support/markdown_feature.rb
@@ -93,6 +93,10 @@ class MarkdownFeature
     end
   end
 
+  def urls
+    Gitlab::Application.routes.url_helpers
+  end
+
   def raw_markdown
     markdown = File.read(Rails.root.join('spec/fixtures/markdown.md.erb'))
     ERB.new(markdown).result(binding)
-- 
cgit v1.2.1


From 0de8e260662a62603dbee5efb133cd4f1e0f0ed7 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Thu, 3 Dec 2015 14:00:41 +0100
Subject: Pass original text along with label reference filter.

---
 lib/gitlab/markdown/label_reference_filter.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/gitlab/markdown/label_reference_filter.rb b/lib/gitlab/markdown/label_reference_filter.rb
index ec2b179b7de..36cf7a8f4ce 100644
--- a/lib/gitlab/markdown/label_reference_filter.rb
+++ b/lib/gitlab/markdown/label_reference_filter.rb
@@ -51,7 +51,11 @@ module Gitlab
           if label = project.labels.find_by(params)
             url = url_for_label(project, label)
             klass = reference_class(:label)
-            data = data_attribute(project: project.id, label: label.id)
+            data = data_attribute(
+              original: link_text || match,
+              project: project.id,
+              label: label.id
+            )
 
             text = link_text || render_colored_label(label)
 
-- 
cgit v1.2.1


From f9d954fae71d40a314a5812c1a7eec5a601d1575 Mon Sep 17 00:00:00 2001
From: Douwe Maan <douwe@gitlab.com>
Date: Thu, 3 Dec 2015 19:02:56 +0100
Subject: Satisfy rubocop

---
 lib/gitlab/markdown/label_reference_filter.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gitlab/markdown/label_reference_filter.rb b/lib/gitlab/markdown/label_reference_filter.rb
index 36cf7a8f4ce..a2026eecaeb 100644
--- a/lib/gitlab/markdown/label_reference_filter.rb
+++ b/lib/gitlab/markdown/label_reference_filter.rb
@@ -70,7 +70,7 @@ module Gitlab
       def url_for_label(project, label)
         h = Gitlab::Application.routes.url_helpers
         h.namespace_project_issues_url( project.namespace, project, label_name: label.name,
-                                        only_path: context[:only_path])
+                                                                    only_path:  context[:only_path])
       end
 
       def render_colored_label(label)
-- 
cgit v1.2.1