Enable frozen string for spec/lib/gitlab/git

spec/lib/gitlab/git/attributes_at_ref_parser_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::AttributesAtRefParser, :seed_helper do

spec/lib/gitlab/git/attributes_parser_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::AttributesParser, :seed_helper do

spec/lib/gitlab/git/blame_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Blame, :seed_helper do

spec/lib/gitlab/git/blob_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Blob, :seed_helper do

spec/lib/gitlab/git/branch_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Branch, :seed_helper do
@@ -77,7 +79,7 @@ describe Gitlab::Git::Branch, :seed_helper do
       tree = parents.first.tree
 
       {
-        message: 'commit message',
+        message: +'commit message',
         author: committer,
         committer: committer,
         tree: tree,
@@ -126,7 +128,7 @@ describe Gitlab::Git::Branch, :seed_helper do
   it { expect(repository.branches.size).to eq(SeedRepo::Repo::BRANCHES.size) }
 
   def create_commit
-    params[:message].delete!("\r")
+    params[:message].delete!(+"\r")
     Rugged::Commit.create(rugged, params.merge(committer: committer.merge(time: Time.now)))
   end
 end

spec/lib/gitlab/git/bundle_file_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::BundleFile do

spec/lib/gitlab/git/commit_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Commit, :seed_helper do
@@ -64,8 +66,8 @@ describe Gitlab::Git::Commit, :seed_helper do
   end
 
   describe "Commit info from gitaly commit" do
-    let(:subject) { "My commit".force_encoding('ASCII-8BIT') }
-    let(:body) { subject + "My body".force_encoding('ASCII-8BIT') }
+    let(:subject) { (+"My commit").force_encoding('ASCII-8BIT') }
+    let(:body) { subject + (+"My body").force_encoding('ASCII-8BIT') }
     let(:body_size) { body.length }
     let(:gitaly_commit) { build(:gitaly_commit, subject: subject, body: body, body_size: body_size) }
     let(:id) { gitaly_commit.id }
@@ -85,7 +87,7 @@ describe Gitlab::Git::Commit, :seed_helper do
     it { expect(commit.parent_ids).to eq(gitaly_commit.parent_ids) }
 
     context 'body_size != body.size' do
-      let(:body) { "".force_encoding('ASCII-8BIT') }
+      let(:body) { (+"").force_encoding('ASCII-8BIT') }
 
       context 'zero body_size' do
         it { expect(commit.safe_message).to eq(subject) }

spec/lib/gitlab/git/compare_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Compare, :seed_helper do

spec/lib/gitlab/git/conflict/file_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::Conflict::File do
   let(:conflict) { { theirs: { path: 'foo', mode: 33188 }, ours: { path: 'foo', mode: 33188 } } }
-  let(:invalid_content) { described_class.new(nil, nil, conflict, "a\xC4\xFC".force_encoding(Encoding::ASCII_8BIT)) }
-  let(:valid_content) { described_class.new(nil, nil, conflict, "Espa\xC3\xB1a".force_encoding(Encoding::ASCII_8BIT)) }
+  let(:invalid_content) { described_class.new(nil, nil, conflict, (+"a\xC4\xFC").force_encoding(Encoding::ASCII_8BIT)) }
+  let(:valid_content) { described_class.new(nil, nil, conflict, (+"Espa\xC3\xB1a").force_encoding(Encoding::ASCII_8BIT)) }
 
   describe '#lines' do
     context 'when the content contains non-UTF-8 characters' do

spec/lib/gitlab/git/conflict/parser_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::Conflict::Parser do
@@ -208,7 +210,7 @@ CONFLICT
       # these strings.
       context 'when the file contains UTF-8 characters' do
         it 'does not raise' do
-          expect { parse_text("Espa\xC3\xB1a".force_encoding(Encoding::ASCII_8BIT)) }
+          expect { parse_text((+"Espa\xC3\xB1a").force_encoding(Encoding::ASCII_8BIT)) }
             .not_to raise_error
         end
       end

spec/lib/gitlab/git/diff_collection_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::DiffCollection, :seed_helper do

spec/lib/gitlab/git/diff_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Diff, :seed_helper do

spec/lib/gitlab/git/gitmodules_parser_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::GitmodulesParser do

spec/lib/gitlab/git/hook_env_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::HookEnv do

spec/lib/gitlab/git/lfs_changes_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::LfsChanges do

spec/lib/gitlab/git/lfs_pointer_file_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::LfsPointerFile do

spec/lib/gitlab/git/pre_receive_error_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::PreReceiveError do

spec/lib/gitlab/git/push_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::Push do

spec/lib/gitlab/git/raw_diff_change_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::RawDiffChange do

spec/lib/gitlab/git/remote_mirror_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::RemoteMirror do

spec/lib/gitlab/git/remote_repository_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::RemoteRepository, :seed_helper do

spec/lib/gitlab/git/repository_cleaner_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::RepositoryCleaner do

spec/lib/gitlab/git/repository_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Repository, :seed_helper do

spec/lib/gitlab/git/tag_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Tag, :seed_helper do

spec/lib/gitlab/git/tree_spec.rb

+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Gitlab::Git::Tree, :seed_helper do

spec/lib/gitlab/git/user_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::User do

spec/lib/gitlab/git/util_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::Util do

spec/lib/gitlab/git/wiki_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::Wiki do

spec/lib/gitlab/git/wraps_gitaly_errors_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Gitlab::Git::WrapsGitalyErrors do