Fix archive prefix bug for refs containing dots

changelogs/unreleased/29565-name-of-the-uncompressed-folder-of-a-tag-archive-changed.yml

+---
+title: Fix archive prefix bug for refs containing dots
+merge_request:
+author:

lib/gitlab/git/repository.rb

@@ -201,7 +201,7 @@ module Gitlab
 
       def archive_prefix(ref, sha)
         project_name = self.name.chomp('.git')
-        "#{project_name}-#{ref.parameterize}-#{sha}"
+        "#{project_name}-#{ref.tr('/', '-')}-#{sha}"
       end
 
       def archive_metadata(ref, storage_path, format = "tar.gz")

spec/lib/gitlab/git/repository_spec.rb

@@ -90,6 +90,12 @@ describe Gitlab::Git::Repository, seed_helper: true do
 
       expect(prefix).to eq("#{project_name}-test-branch-SHA")
     end
+
+    it 'returns correct string for a ref containing dots' do
+      prefix = repository.archive_prefix('test.branch', 'SHA')
+
+      expect(prefix).to eq("#{project_name}-test.branch-SHA")
+    end
   end
 
   describe '#archive' do