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-rw-r--r--app/models/merge_request.rb120
-rw-r--r--app/models/merge_request_diff.rb43
-rw-r--r--app/models/project_services/jira_service.rb2
3 files changed, 102 insertions, 63 deletions
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 4f7e1d2f302..cc85421a815 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -16,7 +16,7 @@ class MergeRequest < ActiveRecord::Base
serialize :merge_params, Hash
- after_create :create_merge_request_diff, unless: :importing
+ after_create :create_merge_request_diff, unless: :importing?
after_update :update_merge_request_diff
delegate :commits, :diffs, :real_size, to: :merge_request_diff, prefix: nil
@@ -29,10 +29,6 @@ class MergeRequest < ActiveRecord::Base
# when creating new merge request
attr_accessor :can_be_created, :compare_commits, :compare
- # Temporary fields to store target_sha, and base_sha to
- # compare when importing pull requests from GitHub
- attr_accessor :base_target_sha, :head_source_sha
-
state_machine :state, initial: :opened do
event :close do
transition [:reopened, :opened] => :closed
@@ -169,28 +165,88 @@ class MergeRequest < ActiveRecord::Base
reference
end
- def last_commit
- merge_request_diff ? merge_request_diff.last_commit : compare_commits.last
- end
-
def first_commit
merge_request_diff ? merge_request_diff.first_commit : compare_commits.first
end
+ def last_commit
+ merge_request_diff ? merge_request_diff.last_commit : compare_commits.last
+ end
+
def diff_size
merge_request_diff.size
end
def diff_base_commit
- if merge_request_diff
+ if persisted?
merge_request_diff.base_commit
- elsif source_sha
- self.target_project.merge_base_commit(self.source_sha, self.target_branch)
+ elsif diff_start_commit && diff_head_commit
+ self.target_project.merge_base_commit(diff_start_sha, diff_head_sha)
+ end
+ end
+
+ # MRs created before 8.4 don't store a MergeRequestDiff#base_commit_sha,
+ # but we need to get a commit for the "View file @ ..." link by deleted files,
+ # so we find the likely one if we can't get the actual one.
+ # This will not be the actual base commit if the target branch was merged into
+ # the source branch after the merge request was created, but it is good enough
+ # for the specific purpose of linking to a commit.
+ # It is not good enough for use in Gitlab::Git::DiffRefs, which need the
+ # true base commit.
+ def likely_diff_base_commit
+ first_commit.parent || first_commit
+ end
+
+ def diff_start_commit
+ if persisted?
+ merge_request_diff.start_commit
+ else
+ target_branch_head
end
end
- def last_commit_short_sha
- last_commit.short_id
+ def diff_head_commit
+ if persisted?
+ merge_request_diff.head_commit
+ else
+ source_branch_head
+ end
+ end
+
+ def diff_start_sha
+ diff_start_commit.try(:sha)
+ end
+
+ def diff_base_sha
+ diff_base_commit.try(:sha)
+ end
+
+ def diff_head_sha
+ diff_head_commit.try(:sha)
+ end
+
+ # When importing a pull request from GitHub, the old and new branches may no
+ # longer actually exist by those names, but we need to recreate the merge
+ # request diff with the right source and target shas.
+ # We use these attributes to force these to the intended values.
+ attr_writer :target_branch_sha, :source_branch_sha
+
+ def source_branch_head
+ source_branch_ref = @source_branch_sha || source_branch
+ source_project.repository.commit(source_branch) if source_branch_ref
+ end
+
+ def target_branch_head
+ target_branch_ref = @target_branch_sha || target_branch
+ target_project.repository.commit(target_branch) if target_branch_ref
+ end
+
+ def target_branch_sha
+ target_branch_head.try(:sha)
+ end
+
+ def source_branch_sha
+ source_branch_head.try(:sha)
end
def validate_branches
@@ -241,7 +297,7 @@ class MergeRequest < ActiveRecord::Base
return unless unchecked?
can_be_merged =
- !broken? && project.repository.can_be_merged?(source_sha, target_branch)
+ !broken? && project.repository.can_be_merged?(diff_head_sha, target_branch)
if can_be_merged
mark_as_mergeable
@@ -293,7 +349,7 @@ class MergeRequest < ActiveRecord::Base
!source_project.protected_branch?(source_branch) &&
!source_project.root_ref?(source_branch) &&
Ability.abilities.allowed?(current_user, :push_code, source_project) &&
- last_commit == source_project.commit(source_branch)
+ diff_head_commit == source_branch_head
end
def should_remove_source_branch?
@@ -331,8 +387,8 @@ class MergeRequest < ActiveRecord::Base
work_in_progress: work_in_progress?
}
- if last_commit
- attrs.merge!(last_commit: last_commit.hook_attrs)
+ if diff_head_commit
+ attrs.merge!(last_commit: diff_head_commit.hook_attrs)
end
attributes.merge!(attrs)
@@ -510,22 +566,6 @@ class MergeRequest < ActiveRecord::Base
end
end
- def target_sha
- return @base_target_sha if defined?(@base_target_sha)
-
- target_project.repository.commit(target_branch).try(:sha)
- end
-
- def source_sha
- return @head_source_sha if defined?(@head_source_sha)
-
- last_commit.try(:sha) || source_tip.try(:sha)
- end
-
- def source_tip
- source_branch && source_project.repository.commit(source_branch)
- end
-
def fetch_ref
target_project.repository.fetch_ref(
source_project.repository.path_to_repo,
@@ -558,10 +598,10 @@ class MergeRequest < ActiveRecord::Base
def diverged_commits_count
cache = Rails.cache.read(:"merge_request_#{id}_diverged_commits")
- if cache.blank? || cache[:source_sha] != source_sha || cache[:target_sha] != target_sha
+ if cache.blank? || cache[:source_sha] != source_branch_sha || cache[:target_sha] != target_branch_sha
cache = {
- source_sha: source_sha,
- target_sha: target_sha,
+ source_sha: source_branch_sha,
+ target_sha: target_branch_sha,
diverged_commits_count: compute_diverged_commits_count
}
Rails.cache.write(:"merge_request_#{id}_diverged_commits", cache)
@@ -571,9 +611,9 @@ class MergeRequest < ActiveRecord::Base
end
def compute_diverged_commits_count
- return 0 unless source_sha && target_sha
+ return 0 unless source_branch_sha && target_branch_sha
- Gitlab::Git::Commit.between(target_project.repository.raw_repository, source_sha, target_sha).size
+ Gitlab::Git::Commit.between(target_project.repository.raw_repository, source_branch_sha, target_branch_sha).size
end
private :compute_diverged_commits_count
@@ -582,13 +622,13 @@ class MergeRequest < ActiveRecord::Base
end
def pipeline
- @pipeline ||= source_project.pipeline(last_commit.id, source_branch) if last_commit && source_project
end
def diff_refs
return nil unless diff_base_commit
[diff_base_commit, last_commit]
+ @pipeline ||= source_project.pipeline(diff_head_sha, source_branch) if diff_head_sha && source_project
end
def merge_commit
diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb
index fd69f915bd2..60f4b44a5d1 100644
--- a/app/models/merge_request_diff.rb
+++ b/app/models/merge_request_diff.rb
@@ -7,7 +7,7 @@ class MergeRequestDiff < ActiveRecord::Base
belongs_to :merge_request
- delegate :head_source_sha, :target_branch, :source_branch, to: :merge_request, prefix: nil
+ delegate :source_branch_sha, :target_branch_sha, :target_branch, :source_branch, to: :merge_request, prefix: nil
state_machine :state, initial: :empty do
state :collected
@@ -40,8 +40,8 @@ class MergeRequestDiff < ActiveRecord::Base
@diffs_no_whitespace ||= begin
compare = Gitlab::Git::Compare.new(
self.repository.raw_repository,
- self.base,
- self.head,
+ self.target_branch_sha,
+ self.source_branch_sha,
)
compare.diffs(options)
end
@@ -63,13 +63,21 @@ class MergeRequestDiff < ActiveRecord::Base
end
def base_commit
- return nil unless self.base_commit_sha
+ return unless self.base_commit_sha
merge_request.target_project.commit(self.base_commit_sha)
end
- def last_commit_short_sha
- @last_commit_short_sha ||= last_commit.short_id
+ def start_commit
+ return unless self.start_commit_sha
+
+ merge_request.target_project.commit(self.start_commit_sha)
+ end
+
+ def head_commit
+ return last_commit unless self.head_commit_sha
+
+ merge_request.target_project.commit(self.head_commit_sha)
end
def dump_commits(commits)
@@ -166,23 +174,14 @@ class MergeRequestDiff < ActiveRecord::Base
merge_request.target_project.repository
end
- def source_sha
- return head_source_sha if head_source_sha.present?
-
- source_commit = merge_request.source_project.commit(source_branch)
- source_commit.try(:sha)
- end
-
- def target_sha
- merge_request.target_sha
- end
+ def branch_base_commit
+ return unless self.source_branch_sha && self.target_branch_sha
- def base
- self.target_sha || self.target_branch
+ merge_request.target_project.merge_base_commit(self.source_branch_sha, self.target_branch_sha)
end
- def head
- self.source_sha
+ def branch_base_sha
+ branch_base_commit.try(:sha)
end
def compare
@@ -193,8 +192,8 @@ class MergeRequestDiff < ActiveRecord::Base
Gitlab::Git::Compare.new(
self.repository.raw_repository,
- self.base,
- self.head
+ self.target_branch_sha,
+ self.source_branch_sha
)
end
end
diff --git a/app/models/project_services/jira_service.rb b/app/models/project_services/jira_service.rb
index 27bf08bf7d9..97bcbacf2b9 100644
--- a/app/models/project_services/jira_service.rb
+++ b/app/models/project_services/jira_service.rb
@@ -144,7 +144,7 @@ class JiraService < IssueTrackerService
commit_id = if entity.is_a?(Commit)
entity.id
elsif entity.is_a?(MergeRequest)
- entity.last_commit.id
+ entity.diff_head_sha
end
commit_url = build_entity_url(:commit, commit_id)