50     for git in searchlist:
52         subprocess.call([git, '--version'], stdout=devnull)
55       return git
76 def git_repository_sync_is_disabled(git, directory):  argument
79       [git, 'config', 'sync-deps.disable'], cwd=directory)
85 def is_git_toplevel(git, directory):  argument
96       [git, 'rev-parse', '--show-toplevel'], cwd=directory).strip()
102 def git_checkout_to_directory(git, repo, checkoutable, directory, verbose):  argument
123       [git, 'clone', '--quiet', repo, directory])
125   if not is_git_toplevel(git, directory):
132   if git_repository_sync_is_disabled(git, directory):
137       [git, 'checkout', '--quiet', checkoutable], cwd=directory):
143   subprocess.check_call([git, 'fetch', '--quiet'], cwd=directory)
146       [git, 'checkout', '--quiet', checkoutable], cwd=directory):
148           [git, 'remote', 'set-url', 'origin', repo], cwd=directory)
149       subprocess.check_call([git, 'fetch', '--quiet'], cwd=directory)
150       subprocess.check_call([git, 'checkout', '--quiet'], cwd=directory)
174   git = git_executable()
175   assert git
195       (git, repo, checkoutable, relative_directory, verbose))