1 files changed, 28 insertions, 6 deletions
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 552a354d1ce..a34f5e5439b 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -19,7 +19,6 @@ class Repository
   attr_accessor :full_path, :disk_path, :project, :is_wiki
 
   delegate :ref_name_for_sha, to: :raw_repository
-  delegate :write_ref, to: :raw_repository
 
   CreateTreeError = Class.new(StandardError)
 
@@ -118,6 +117,18 @@ 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,
@@ -221,6 +232,12 @@ class Repository
     branch_names.include?(branch_name)
   end
 
+  def tag_exists?(tag_name)
+    return false unless raw_repository
+
+    tag_names.include?(tag_name)
+  end
+
   def ref_exists?(ref)
     !!raw_repository&.ref_exists?(ref)
   rescue ArgumentError
@@ -238,10 +255,11 @@ class Repository
 
     # This will still fail if the file is corrupted (e.g. 0 bytes)
     begin
-      write_ref(keep_around_ref_name(sha), sha, force: true)
-    rescue Gitlab::Git::Repository::GitError => ex
-      # Necessary because https://gitlab.com/gitlab-org/gitlab-ce/issues/20156
-      return true if ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
+      write_ref(keep_around_ref_name(sha), sha)
+    rescue Rugged::ReferenceError => ex
+      Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
+    rescue Rugged::OSError => ex
+      raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
 
       Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
     end
@@ -251,6 +269,10 @@ class Repository
     ref_exists?(keep_around_ref_name(sha))
   end
 
+  def write_ref(ref_path, sha)
+    rugged.references.create(ref_path, sha, force: true)
+  end
+
   def diverging_commit_counts(branch)
     root_ref_hash = raw_repository.commit(root_ref).id
     cache.fetch(:"diverging_commit_counts_#{branch.name}") do
@@ -997,7 +1019,7 @@ class Repository
   end
 
   def create_ref(ref, ref_path)
-    write_ref(ref_path, ref)
+    raw_repository.write_ref(ref_path, ref)
   end
 
   def ls_files(ref)