Merge branch 'master' into layout-nav-es-modulelayout-nav-es-module

* master: (21 commits)
  Prevent some specs from mangling the gitlab-shell checkout
  Line up search dropdown with other nav dropdowns
  Fix onion-skin re-entering state
  Remove related links in MR widget when empty state
  Show inline edit button for issues
  Fix tags in the Activity tab not being clickable
  Fix shortcut links on help page
  Don't link LFS-objects multiple times.
  [CE->EE] Fix spec/lib/gitlab/git/gitlab_projects_spec.rb
  Tidy up the documentation of Gitlab HA/Gitlab Application
  Make sure two except won't overwrite each other
  Update axios.md
  Remove transitionend event from GL dropdown
  Preserve gem path so that we use the same gems
  Load commit in batches for pipelines#index
  BlobViewer::PackageJson - if private link to homepage
  Do not generate links for private NPM modules in blob view
  Remove block styling from search dropdown
  Fix sidebar height when performance bar enabled
  Remove all dropdown animations and set display: none if they're not open
  ...

5 files changed, 64 insertions, 12 deletions

diff --git a/app/models/blob_viewer/dependency_manager.rb b/app/models/blob_viewer/dependency_manager.rb
index a8d9be945dc..cc4950240af 100644
--- a/app/models/blob_viewer/dependency_manager.rb
+++ b/app/models/blob_viewer/dependency_manager.rb
@@ -27,10 +27,17 @@ module BlobViewer
 
     private
 
-    def package_name_from_json(key)
-      prepare!
+    def json_data
+      @json_data ||= begin
+        prepare!
+        JSON.parse(blob.data)
+      rescue
+        {}
+      end
+    end
 
-      JSON.parse(blob.data)[key] rescue nil
+    def package_name_from_json(key)
+      json_data[key]
     end
 
     def package_name_from_method_call(name)
diff --git a/app/models/blob_viewer/package_json.rb b/app/models/blob_viewer/package_json.rb
index 09221efb56c..46cd2f04f4d 100644
--- a/app/models/blob_viewer/package_json.rb
+++ b/app/models/blob_viewer/package_json.rb
@@ -16,7 +16,25 @@ module BlobViewer
       @package_name ||= package_name_from_json('name')
     end
 
+    def package_type
+      private? ? 'private package' : super
+    end
+
     def package_url
+      private? ? homepage : npm_url
+    end
+
+    private
+
+    def private?
+      !!json_data['private']
+    end
+
+    def homepage
+      json_data['homepage']
+    end
+
+    def npm_url
       "https://www.npmjs.com/package/#{package_name}"
     end
   end
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index 28f154581a9..d4690da3be6 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -287,8 +287,12 @@ module Ci
       Ci::Pipeline.truncate_sha(sha)
     end
 
+    # NOTE: This is loaded lazily and will never be nil, even if the commit
+    # cannot be found.
+    #
+    # Use constructs like: `pipeline.commit.present?`
     def commit
-      @commit ||= project.commit_by(oid: sha)
+      @commit ||= Commit.lazy(project, sha)
     end
 
     def branch?
@@ -338,12 +342,9 @@ module Ci
     end
 
     def latest?
-      return false unless ref
-
-      commit = project.commit(ref)
-      return false unless commit
+      return false unless ref && commit.present?
 
-      commit.sha == sha
+      project.commit(ref) == commit
     end
 
     def retried
diff --git a/app/models/commit.rb b/app/models/commit.rb
index 13c31111134..2be07ca7d3c 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -86,6 +86,20 @@ class Commit
     def valid_hash?(key)
       !!(/\A#{COMMIT_SHA_PATTERN}\z/ =~ key)
     end
+
+    def lazy(project, oid)
+      BatchLoader.for({ project: project, oid: oid }).batch do |items, loader|
+        items_by_project = items.group_by { |i| i[:project] }
+
+        items_by_project.each do |project, commit_ids|
+          oids = commit_ids.map { |i| i[:oid] }
+
+          project.repository.commits_by(oids: oids).each do |commit|
+            loader.call({ project: commit.project, oid: commit.id }, commit) if commit
+          end
+        end
+      end
+    end
   end
 
   attr_accessor :raw
@@ -103,7 +117,7 @@ class Commit
   end
 
   def ==(other)
-    (self.class === other) && (raw == other.raw)
+    other.is_a?(self.class) && raw == other.raw
   end
 
   def self.reference_prefix
@@ -224,8 +238,8 @@ class Commit
     notes.includes(:author)
   end
 
-  def method_missing(m, *args, &block)
-    @raw.__send__(m, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
+  def method_missing(method, *args, &block)
+    @raw.__send__(method, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
   end
 
   def respond_to_missing?(method, include_private = false)
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 4ec8ec9c8b2..387428d90a6 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -118,6 +118,18 @@ class Repository
     @commit_cache[oid] = find_commit(oid)
   end
 
+  def commits_by(oids:)
+    return [] unless oids.present?
+
+    commits = Gitlab::Git::Commit.batch_by_oid(raw_repository, oids)
+
+    if commits.present?
+      Commit.decorate(commits, @project)
+    else
+      []
+    end
+  end
+
   def commits(ref, path: nil, limit: nil, offset: nil, skip_merges: false, after: nil, before: nil)
     options = {
       repo: raw_repository,