[ci skip] Merge branch 'master' into 44427-state-management-with-vuex

* master: (544 commits)
  Bulk deleting refs is handled by Gitaly by default
  Allow assigning and filtering issuables by ancestor group labels
  Fix links to subdirectories of a directory with a plus character in its path
  Add banzai filter to detect commit message trailers and properly link the users
  Render MR commit SHA instead "diffs" when viable
  Fix a transient failure by removing unneeded expectations
  Revert changelog entry for removed feature
  Revert "Allow CI/CD Jobs being grouped on version strings"
  Add support for Sidekiq JSON logging
  Resolve "Protected branches count is wrong when a wildcard includes several protected branches"
  Remove unused form for admin application settings
  Use standard codequality job
  Resolve "Allow the configuration of a project's merge method via the API"
  Move the rest of application settings to expandable blocks
  [Rails5] Rename `sort` methods to `sort_by_attribute`
  Add better LDAP connection handling
  Updated components to PascalCase
  Handle invalid params when trying update_username
  Move network related app settings to expandable blocks
  [Rails5] Update Gemfile.rails5.lock [ci skip]
  ...

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/api/commits.rb b/lib/api/commits.rb
index 982f45425a3..684955a1b24 100644
--- a/lib/api/commits.rb
+++ b/lib/api/commits.rb
@@ -231,6 +231,20 @@ module API
           render_api_error!("Failed to save note #{note.errors.messages}", 400)
         end
       end
+
+      desc 'Get Merge Requests associated with a commit' do
+        success Entities::MergeRequestBasic
+      end
+      params do
+        requires :sha, type: String, desc: 'A commit sha, or the name of a branch or tag on which to find Merge Requests'
+        use :pagination
+      end
+      get ':id/repository/commits/:sha/merge_requests', requirements: API::COMMIT_ENDPOINT_REQUIREMENTS do
+        commit = user_project.commit(params[:sha])
+        not_found! 'Commit' unless commit
+
+        present paginate(commit.merge_requests), with: Entities::MergeRequestBasic
+      end
     end
   end
 end