Support show-all-refs for git over HTTP

GITLAB_WORKHORSE_VERSION

-3.2.0
+3.3.0

changelogs/unreleased/backport-workhorse-show-all-refs.yml

+---
+title: Support show-all-refs for git over HTTP
+merge_request: 14834
+author:
+type: added

lib/gitlab/workhorse.rb

@@ -16,14 +16,15 @@ module Gitlab
     SECRET_LENGTH = 32
 
     class << self
-      def git_http_ok(repository, is_wiki, user, action)
+      def git_http_ok(repository, is_wiki, user, action, show_all_refs: false)
         project = repository.project
         repo_path = repository.path_to_repo
         params = {
           GL_ID: Gitlab::GlId.gl_id(user),
           GL_REPOSITORY: Gitlab::GlRepository.gl_repository(project, is_wiki),
           GL_USERNAME: user&.username,
-          RepoPath: repo_path
+          RepoPath: repo_path,
+          ShowAllRefs: show_all_refs
         }
         server = {
           address: Gitlab::GitalyClient.address(project.repository_storage),

spec/lib/gitlab/workhorse_spec.rb

@@ -268,7 +268,8 @@ describe Gitlab::Workhorse do
         GL_ID: "user-#{user.id}",
         GL_USERNAME: user.username,
         GL_REPOSITORY: "project-#{project.id}",
-        RepoPath: repo_path
+        RepoPath: repo_path,
+        ShowAllRefs: false
       }
     end
 
@@ -282,7 +283,8 @@ describe Gitlab::Workhorse do
           GL_ID: "user-#{user.id}",
           GL_USERNAME: user.username,
           GL_REPOSITORY: "wiki-#{project.id}",
-          RepoPath: repo_path
+          RepoPath: repo_path,
+          ShowAllRefs: false
         }
       end
 
@@ -324,6 +326,12 @@ describe Gitlab::Workhorse do
 
           expect(subject).to include(gitaly_params)
         end
+
+        context 'show_all_refs enabled' do
+          subject { described_class.git_http_ok(repository, false, user, action, show_all_refs: true) }
+
+          it { is_expected.to include(ShowAllRefs: true) }
+        end
       end
 
       context "when git_receive_pack action is passed" do
@@ -336,6 +344,12 @@ describe Gitlab::Workhorse do
         let(:action) { 'info_refs' }
 
         it { expect(subject).to include(gitaly_params) }
+
+        context 'show_all_refs enabled' do
+          subject { described_class.git_http_ok(repository, false, user, action, show_all_refs: true) }
+
+          it { is_expected.to include(ShowAllRefs: true) }
+        end
       end
 
       context 'when action passed is not supported by Gitaly' do