flags: Drop `fetch_remote_params` feature flag

The `fetch_remote_params` feature flag has been enabled by default since
877a101a (Default-enable :fetch_remote_params feature flag,
2021-06-23), which has been released as part of v14.1. We can thus now
remove this feature flag altogether.

Changelog: changed

app/models/repository.rb

@@ -939,17 +939,7 @@ class Repository
   end
 
   def fetch_as_mirror(url, forced: false, refmap: :all_refs, remote_name: nil, prune: true)
-    return fetch_remote(remote_name, url: url, refmap: refmap, forced: forced, prune: prune) if Feature.enabled?(:fetch_remote_params, project, default_enabled: :yaml)
-
-    unless remote_name
-      remote_name = "tmp-#{SecureRandom.hex}"
-      tmp_remote_name = true
-    end
-
-    add_remote(remote_name, url, mirror_refmap: refmap)
-    fetch_remote(remote_name, forced: forced, prune: prune)
-  ensure
-    async_remove_remote(remote_name) if tmp_remote_name
+    fetch_remote(remote_name, url: url, refmap: refmap, forced: forced, prune: prune)
   end
 
   def async_remove_remote(remote_name)

config/feature_flags/development/fetch_remote_params.yml

----
-name: fetch_remote_params
-introduced_by_url:
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/325528
-milestone: '13.12'
-type: development
-group: group::gitaly
-default_enabled: true

ee/app/models/ee/repository.rb

@@ -34,8 +34,7 @@ module EE
     end
 
     def fetch_upstream(url, forced: false, check_tags_changed: false)
-      if ::Feature.enabled?(:fetch_remote_params, project, default_enabled: :yaml)
-        return fetch_remote(
+      fetch_remote(
         MIRROR_REMOTE,
         url: url,
         refmap: ["+refs/heads/*:refs/remotes/#{MIRROR_REMOTE}/*"],
@@ -45,11 +44,6 @@ module EE
       )
     end
 
-      add_remote(MIRROR_REMOTE, url)
-
-      fetch_remote(MIRROR_REMOTE, ssh_auth: project&.import_data, forced: forced, check_tags_changed: check_tags_changed)
-    end
-
     def upstream_branches
       @upstream_branches ||= remote_branches(MIRROR_REMOTE)
     end

ee/spec/models/repository_spec.rb

@@ -52,7 +52,6 @@ RSpec.describe Repository do
   describe '#fetch_upstream' do
     let(:url) { "http://example.com" }
 
-    context 'when :fetch_remote_params is enabled' do
     it 'fetches the URL without creating a remote' do
       expect(repository).not_to receive(:add_remote)
       expect(repository)
@@ -64,26 +63,6 @@ RSpec.describe Repository do
     end
   end
 
-    context 'when :fetch_remote_params is disabled' do
-      before do
-        stub_feature_flags(fetch_remote_params: false)
-      end
-
-      it 'creates a remote and fetches it' do
-        expect(repository)
-          .to receive(:add_remote)
-          .with(described_class::MIRROR_REMOTE, url)
-          .and_return(nil)
-        expect(repository)
-          .to receive(:fetch_remote)
-          .with(described_class::MIRROR_REMOTE, ssh_auth: nil, forced: true, check_tags_changed: true)
-          .and_return(nil)
-
-        repository.fetch_upstream(url, forced: true, check_tags_changed: true)
-      end
-    end
-  end
-
   describe '#with_config' do
     let(:rugged) { rugged_repo(repository) }
     let(:entries) do

lib/gitlab/github_import/importer/pull_requests_importer.rb

@@ -40,11 +40,7 @@ module Gitlab
           # updating the timestamp.
           project.update_column(:last_repository_updated_at, Time.zone.now)
 
-          if Feature.enabled?(:fetch_remote_params, project, default_enabled: :yaml)
           project.repository.fetch_remote('github', url: project.import_url, refmap: Gitlab::GithubImport.refmap, forced: false)
-          else
-            project.repository.fetch_remote('github', forced: false)
-          end
 
           pname = project.path_with_namespace
 

spec/lib/gitlab/github_import/importer/pull_requests_importer_spec.rb

@@ -148,7 +148,7 @@ RSpec.describe Gitlab::GithubImport::Importer::PullRequestsImporter do
     end
   end
 
-  shared_examples '#update_repository' do
+  describe '#update_repository' do
     it 'updates the repository' do
       importer = described_class.new(project, client)
 
@@ -162,34 +162,16 @@ RSpec.describe Gitlab::GithubImport::Importer::PullRequestsImporter do
         .to receive(:increment)
         .and_call_original
 
-      freeze_time do
-        importer.update_repository
-
-        expect(project.last_repository_updated_at).to be_like_time(Time.zone.now)
-      end
-    end
-  end
-
-  describe '#update_repository with :fetch_remote_params enabled' do
-    before do
-      stub_feature_flags(fetch_remote_params: true)
       expect(project.repository)
         .to receive(:fetch_remote)
         .with('github', forced: false, url: url, refmap: Gitlab::GithubImport.refmap)
-    end
 
-    it_behaves_like '#update_repository'
-  end
+      freeze_time do
+        importer.update_repository
 
-  describe '#update_repository with :fetch_remote_params disabled' do
-    before do
-      stub_feature_flags(fetch_remote_params: false)
-      expect(project.repository)
-        .to receive(:fetch_remote)
-        .with('github', forced: false)
+        expect(project.last_repository_updated_at).to be_like_time(Time.zone.now)
+      end
     end
-
-    it_behaves_like '#update_repository'
   end
 
   describe '#update_repository?' do

spec/models/repository_spec.rb

@@ -1128,14 +1128,8 @@ RSpec.describe Repository do
 
   describe '#fetch_as_mirror' do
     let(:url) { "http://example.com" }
-
-    context 'when :fetch_remote_params is enabled' do
     let(:remote_name) { "remote-name" }
 
-      before do
-        stub_feature_flags(fetch_remote_params: true)
-      end
-
     it 'fetches the URL without creating a remote' do
       expect(repository).not_to receive(:add_remote)
       expect(repository)
@@ -1147,49 +1141,6 @@ RSpec.describe Repository do
     end
   end
 
-    context 'when :fetch_remote_params is disabled' do
-      before do
-        stub_feature_flags(fetch_remote_params: false)
-      end
-
-      shared_examples 'a fetch' do
-        it 'adds and fetches a remote' do
-          expect(repository)
-            .to receive(:add_remote)
-            .with(expected_remote, url, mirror_refmap: :all_refs)
-            .and_return(nil)
-          expect(repository)
-            .to receive(:fetch_remote)
-            .with(expected_remote, forced: false, prune: true)
-            .and_return(nil)
-
-          repository.fetch_as_mirror(url, remote_name: remote_name)
-        end
-      end
-
-      context 'with temporary remote' do
-        let(:remote_name) { nil }
-        let(:expected_remote_suffix) { "123456" }
-        let(:expected_remote) { "tmp-#{expected_remote_suffix}" }
-
-        before do
-          expect(repository)
-            .to receive(:async_remove_remote).with(expected_remote).and_return(nil)
-          allow(SecureRandom).to receive(:hex).and_return(expected_remote_suffix)
-        end
-
-        it_behaves_like 'a fetch'
-      end
-
-      context 'with remote name' do
-        let(:remote_name) { "foo" }
-        let(:expected_remote) { "foo" }
-
-        it_behaves_like 'a fetch'
-      end
-    end
-  end
-
   describe '#fetch_ref' do
     let(:broken_repository) { create(:project, :broken_storage).repository }