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-rw-r--r--changelogs/unreleased/duplicate-related-mrs.yml5
-rw-r--r--lib/api/issues.rb2
-rw-r--r--spec/requests/api/issues_spec.rb12
3 files changed, 18 insertions, 1 deletions
diff --git a/changelogs/unreleased/duplicate-related-mrs.yml b/changelogs/unreleased/duplicate-related-mrs.yml
new file mode 100644
index 00000000000..0f5f6ede9f8
--- /dev/null
+++ b/changelogs/unreleased/duplicate-related-mrs.yml
@@ -0,0 +1,5 @@
+---
+title: Remove duplicates from issue related merge requests
+merge_request: 27067
+author:
+type: fixed
diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index 3dd90502050..999a9cb5a82 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -307,7 +307,7 @@ module API
merge_requests = ::Issues::ReferencedMergeRequestsService.new(user_project, current_user)
.execute(issue)
- .flatten
+ .first
present paginate(::Kaminari.paginate_array(merge_requests)),
with: Entities::MergeRequest,
diff --git a/spec/requests/api/issues_spec.rb b/spec/requests/api/issues_spec.rb
index a5434d3ea80..86484ce62f8 100644
--- a/spec/requests/api/issues_spec.rb
+++ b/spec/requests/api/issues_spec.rb
@@ -2189,6 +2189,18 @@ describe API::Issues do
expect_paginated_array_response(related_mr.id)
end
+ context 'merge request closes an issue' do
+ let!(:closing_issue_mr_rel) do
+ create(:merge_requests_closing_issues, issue: issue, merge_request: related_mr)
+ end
+
+ it 'returns closing MR only once' do
+ get_related_merge_requests(project.id, issue.iid, user)
+
+ expect_paginated_array_response([related_mr.id])
+ end
+ end
+
context 'no merge request mentioned a issue' do
it 'returns empty array' do
get_related_merge_requests(project.id, closed_issue.iid, user)