summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--changelogs/unreleased/sh-fix-root-ref-repository.yml5
-rw-r--r--lib/gitlab/git/repository.rb6
-rw-r--r--spec/lib/gitlab/git/repository_spec.rb10
3 files changed, 20 insertions, 1 deletions
diff --git a/changelogs/unreleased/sh-fix-root-ref-repository.yml b/changelogs/unreleased/sh-fix-root-ref-repository.yml
new file mode 100644
index 00000000000..0670db84fa6
--- /dev/null
+++ b/changelogs/unreleased/sh-fix-root-ref-repository.yml
@@ -0,0 +1,5 @@
+---
+title: "Gracefully handle case when repository's root ref does not exist"
+merge_request:
+author:
+type: fixed
diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb
index d399636bb28..4657e2cc6ae 100644
--- a/lib/gitlab/git/repository.rb
+++ b/lib/gitlab/git/repository.rb
@@ -1253,7 +1253,11 @@ module Gitlab
# Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/695
def git_merged_branch_names(branch_names = [])
- root_sha = find_branch(root_ref).target
+ return [] unless root_ref
+
+ root_sha = find_branch(root_ref)&.target
+
+ return [] unless root_sha
git_arguments =
%W[branch --merged #{root_sha}
diff --git a/spec/lib/gitlab/git/repository_spec.rb b/spec/lib/gitlab/git/repository_spec.rb
index 2f49bd1bcf2..08dd6ea80ff 100644
--- a/spec/lib/gitlab/git/repository_spec.rb
+++ b/spec/lib/gitlab/git/repository_spec.rb
@@ -1210,6 +1210,16 @@ describe Gitlab::Git::Repository, seed_helper: true do
end
end
+ context 'when no root ref is available' do
+ it 'returns empty list' do
+ project = create(:project, :empty_repo)
+
+ names = project.repository.merged_branch_names(%w[feature])
+
+ expect(names).to be_empty
+ end
+ end
+
context 'when no branch names are specified' do
before do
repository.create_branch('identical', 'master')