Commit b655a4a7 authored by Robert Speicher's avatar Robert Speicher

Merge branch 'repo-write-ref-client-prep' into 'master'

Move Repository#write_ref to Git::Repository#write_ref

Closes gitaly#793

See merge request gitlab-org/gitlab-ce!15712
parents 2cbfc992 dad4c0b6
......@@ -1147,7 +1147,7 @@ class Project < ActiveRecord::Base
def change_head(branch)
if repository.branch_exists?(branch)
repository.before_change_head
repository.write_ref('HEAD', "refs/heads/#{branch}")
repository.write_ref('HEAD', "refs/heads/#{branch}", force: true)
repository.copy_gitattributes(branch)
repository.after_change_head
reload_default_branch
......
......@@ -19,6 +19,7 @@ class Repository
attr_accessor :full_path, :disk_path, :project, :is_wiki
delegate :ref_name_for_sha, to: :raw_repository
delegate :write_ref, to: :raw_repository
CreateTreeError = Class.new(StandardError)
......@@ -237,11 +238,10 @@ class Repository
# This will still fail if the file is corrupted (e.g. 0 bytes)
begin
write_ref(keep_around_ref_name(sha), sha)
rescue Rugged::ReferenceError => ex
Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
rescue Rugged::OSError => ex
raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
write_ref(keep_around_ref_name(sha), sha, force: true)
rescue Gitlab::Git::Repository::GitError => ex
# Necessary because https://gitlab.com/gitlab-org/gitlab-ce/issues/20156
return true if ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
Rails.logger.error "Unable to create #{REF_KEEP_AROUND} reference for repository #{path}: #{ex}"
end
......@@ -251,10 +251,6 @@ class Repository
ref_exists?(keep_around_ref_name(sha))
end
def write_ref(ref_path, sha)
rugged.references.create(ref_path, sha, force: true)
end
def diverging_commit_counts(branch)
root_ref_hash = raw_repository.commit(root_ref).id
cache.fetch(:"diverging_commit_counts_#{branch.name}") do
......@@ -994,7 +990,7 @@ class Repository
end
def create_ref(ref, ref_path)
raw_repository.write_ref(ref_path, ref)
write_ref(ref_path, ref)
end
def ls_files(ref)
......
......@@ -1073,12 +1073,17 @@ module Gitlab
end
end
def write_ref(ref_path, ref)
def write_ref(ref_path, ref, force: false)
raise ArgumentError, "invalid ref_path #{ref_path.inspect}" if ref_path.include?(' ')
raise ArgumentError, "invalid ref #{ref.inspect}" if ref.include?("\x00")
input = "update #{ref_path}\x00#{ref}\x00\x00"
run_git!(%w[update-ref --stdin -z]) { |stdin| stdin.write(input) }
ref = "refs/heads/#{ref}" unless ref.start_with?("refs") || ref =~ /\A[a-f0-9]+\z/i
rugged.references.create(ref_path, ref, force: force)
rescue Rugged::ReferenceError => ex
raise GitError, "could not create ref #{ref_path}: #{ex}"
rescue Rugged::OSError => ex
raise GitError, "could not create ref #{ref_path}: #{ex}"
end
def fetch_ref(source_repository, source_ref:, target_ref:)
......
......@@ -1863,10 +1863,11 @@ describe Project do
project.change_head(project.default_branch)
end
it 'creates the new reference with rugged' do
expect(project.repository.rugged.references).to receive(:create).with('HEAD',
it 'creates the new reference' do
expect(project.repository.raw_repository).to receive(:write_ref).with('HEAD',
"refs/heads/#{project.default_branch}",
force: true)
project.change_head(project.default_branch)
end
......
......@@ -1916,6 +1916,23 @@ describe Repository do
File.delete(path)
end
it "attempting to call keep_around when exists a lock does not fail" do
ref = repository.send(:keep_around_ref_name, sample_commit.id)
path = File.join(repository.path, ref)
lock_path = "#{path}.lock"
FileUtils.mkdir_p(File.dirname(path))
File.open(lock_path, 'w') { |f| f.write('') }
begin
expect { repository.keep_around(sample_commit.id) }.not_to raise_error(Gitlab::Git::Repository::GitError)
expect(File.exist?(lock_path)).to be_falsey
ensure
File.delete(path)
end
end
end
describe '#update_ref' do
......
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