Fix repository archive generation when hashed storage is enabled

app/models/repository.rb

@@ -270,6 +270,16 @@ class Repository
     end
   end
+  def archive_metadata(ref, storage_path, format = "tar.gz", append_sha:)
+    raw_repository.archive_metadata(
+      ref,
+      storage_path,
+      project.path,
+      format,
+      append_sha: append_sha
+    )
+  end
+
   def expire_tags_cache
     expire_method_caches(%i(tag_names tag_count))
     @tags = nil

changelogs/unreleased/45702-fix-hashed-storage-repository-archive.yml

+---
+title: Fix repository archive generation when hashed storage is enabled
+merge_request: 19441
+author:
+type: fixed

lib/gitlab/git/repository.rb

@@ -395,12 +395,12 @@ module Gitlab
         nil
       end
-      def archive_metadata(ref, storage_path, format = "tar.gz", append_sha:)
+      def archive_metadata(ref, storage_path, project_path, format = "tar.gz", append_sha:)
         ref ||= root_ref
         commit = Gitlab::Git::Commit.find(self, ref)
         return {} if commit.nil?
-        prefix = archive_prefix(ref, commit.id, append_sha: append_sha)
+        prefix = archive_prefix(ref, commit.id, project_path, append_sha: append_sha)
         {
           'ArchivePrefix' => prefix,
@@ -412,16 +412,12 @@ module Gitlab
       # This is both the filename of the archive (missing the extension) and the
       # name of the top-level member of the archive under which all files go
-      #
-      # FIXME: The generated prefix is incorrect for projects with hashed
-      # storage enabled
-      def archive_prefix(ref, sha, append_sha:)
+      def archive_prefix(ref, sha, project_path, append_sha:)
         append_sha = (ref != sha) if append_sha.nil?
-        project_name = self.name.chomp('.git')
         formatted_ref = ref.tr('/', '-')
-        prefix_segments = [project_name, formatted_ref]
+        prefix_segments = [project_path, formatted_ref]
         prefix_segments << sha if append_sha
         prefix_segments.join('-')

spec/lib/gitlab/git/repository_spec.rb

@@ -256,7 +256,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
     let(:expected_path) { File.join(storage_path, cache_key, expected_filename) }
     let(:expected_prefix) { "gitlab-git-test-#{ref}-#{SeedRepo::LastCommit::ID}" }
-    subject(:metadata) { repository.archive_metadata(ref, storage_path, format, append_sha: append_sha) }
+    subject(:metadata) { repository.archive_metadata(ref, storage_path, 'gitlab-git-test', format, append_sha: append_sha) }
     it 'sets CommitId to the commit SHA' do
       expect(metadata['CommitId']).to eq(SeedRepo::LastCommit::ID)

spec/models/repository_spec.rb

@@ -2443,6 +2443,32 @@ describe Repository do
     end
   end
+  describe '#archive_metadata' do
+    let(:ref) { 'master' }
+    let(:storage_path) { '/tmp' }
+
+    let(:prefix) { [project.path, ref].join('-') }
+    let(:filename) { prefix + '.tar.gz' }
+
+    subject(:result) { repository.archive_metadata(ref, storage_path, append_sha: false) }
+
+    context 'with hashed storage disabled' do
+      let(:project) { create(:project, :repository, :legacy_storage) }
+
+      it 'uses the project path to generate the filename' do
+        expect(result['ArchivePrefix']).to eq(prefix)
+        expect(File.basename(result['ArchivePath'])).to eq(filename)
+      end
+    end
+
+    context 'with hashed storage enabled' do
+      it 'uses the project path to generate the filename' do
+        expect(result['ArchivePrefix']).to eq(prefix)
+        expect(File.basename(result['ArchivePath'])).to eq(filename)
+      end
+    end
+  end
+
   describe 'commit cache' do
     set(:project) { create(:project, :repository) }

spec/requests/api/repositories_spec.rb

@@ -220,11 +220,10 @@ describe API::Repositories do
         expect(response).to have_gitlab_http_status(200)
-        repo_name = project.repository.name.gsub("\.git", "")
         type, params = workhorse_send_data
         expect(type).to eq('git-archive')
-        expect(params['ArchivePath']).to match(/#{repo_name}\-[^\.]+\.tar.gz/)
+        expect(params['ArchivePath']).to match(/#{project.path}\-[^\.]+\.tar.gz/)
       end
       it 'returns the repository archive archive.zip' do
@@ -232,11 +231,10 @@ describe API::Repositories do
         expect(response).to have_gitlab_http_status(200)
-        repo_name = project.repository.name.gsub("\.git", "")
         type, params = workhorse_send_data
         expect(type).to eq('git-archive')
-        expect(params['ArchivePath']).to match(/#{repo_name}\-[^\.]+\.zip/)
+        expect(params['ArchivePath']).to match(/#{project.path}\-[^\.]+\.zip/)
       end
       it 'returns the repository archive archive.tar.bz2' do
@@ -244,11 +242,10 @@ describe API::Repositories do
         expect(response).to have_gitlab_http_status(200)
-        repo_name = project.repository.name.gsub("\.git", "")
         type, params = workhorse_send_data
         expect(type).to eq('git-archive')
-        expect(params['ArchivePath']).to match(/#{repo_name}\-[^\.]+\.tar.bz2/)
+        expect(params['ArchivePath']).to match(/#{project.path}\-[^\.]+\.tar.bz2/)
       end
       context 'when sha does not exist' do