Allows to search within project by commit's hash

Was proposed in #24833

1 files changed, 19 insertions, 1 deletions

diff --git a/lib/gitlab/project_search_results.rb b/lib/gitlab/project_search_results.rb
index 6bdf3db9cb8..a66719706be 100644
--- a/lib/gitlab/project_search_results.rb
+++ b/lib/gitlab/project_search_results.rb
@@ -114,7 +114,25 @@ module Gitlab
     end
 
     def commits
-      @commits ||= project.repository.find_commits_by_message(query)
+      @commits ||= find_commits(query)
+    end
+
+    def find_commits(query)
+      return [] unless Ability.allowed?(@current_user, :download_code, @project)
+
+      commits = find_commits_by_message(query)
+      commit_by_sha = find_commit_by_sha(query)
+      commits << commit_by_sha if commit_by_sha && !commits.include?(commit_by_sha)
+      commits
+    end
+
+    def find_commits_by_message(query)
+      project.repository.find_commits_by_message(query)
+    end
+
+    def find_commit_by_sha(query)
+      key = query.strip
+      project.repository.commit(key) if Commit.valid_hash?(key)
     end
 
     def project_ids_relation