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# frozen_string_literal: true
module Gitlab
module Git
#
# When a Gitaly call involves two repositories instead of one we cannot
# assume that both repositories are on the same Gitaly server. In this
# case we need to make a distinction between the repository that the
# call is being made on (a Repository instance), and the "other"
# repository (a RemoteRepository instance). This is the reason why we
# have the RemoteRepository class in Gitlab::Git.
#
# When you make changes, be aware that gitaly-ruby sub-classes this
# class.
#
class RemoteRepository
attr_reader :relative_path, :gitaly_repository
def initialize(repository)
@relative_path = repository.relative_path
@gitaly_repository = repository.gitaly_repository
# These instance variables will not be available in gitaly-ruby, where
# we have no disk access to this repository.
@repository = repository
end
def empty?
# We will override this implementation in gitaly-ruby because we cannot
# use '@repository' there.
#
# Caches and memoization used on the Rails side
!@repository.exists? || @repository.empty?
end
def commit_id(revision)
# We will override this implementation in gitaly-ruby because we cannot
# use '@repository' there.
@repository.commit(revision)&.sha
end
def branch_exists?(name)
# We will override this implementation in gitaly-ruby because we cannot
# use '@repository' there.
@repository.branch_exists?(name)
end
# Compares self to a Gitlab::Git::Repository. This implementation uses
# 'self.gitaly_repository' so that it will also work in the
# GitalyRemoteRepository subclass defined in gitaly-ruby.
def same_repository?(other_repository)
gitaly_repository.storage_name == other_repository.storage &&
gitaly_repository.relative_path == other_repository.relative_path
end
def fetch_env
gitaly_ssh = File.absolute_path(File.join(Gitlab.config.gitaly.client_path, 'gitaly-ssh'))
gitaly_address = gitaly_client.address(storage)
gitaly_token = gitaly_client.token(storage)
request = Gitaly::SSHUploadPackRequest.new(repository: gitaly_repository)
env = {
'GITALY_ADDRESS' => gitaly_address,
'GITALY_PAYLOAD' => request.to_json,
'GITALY_WD' => Dir.pwd,
'GIT_SSH_COMMAND' => "#{gitaly_ssh} upload-pack"
}
env['GITALY_TOKEN'] = gitaly_token if gitaly_token.present?
env
end
def path
@repository.path
end
private
# Must return an object that responds to 'address' and 'storage'.
def gitaly_client
Gitlab::GitalyClient
end
def storage
gitaly_repository.storage_name
end
end
end
end
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