41         return SVN(cwd=path)
44         return Git(cwd=path)
85     def __init__(self, cwd, dryrun=False):  argument
86         self.cwd = cwd
87         self.checkout_root = self.find_checkout_root(self.cwd)
91     def run_command(args, cwd=None, input=None, raise_on_failure=True, return_exit_code=False):  argument
93         process = subprocess.Popen(args, stdout=subprocess.PIPE, stdin=stdin, cwd=cwd)
97             raise ScriptError('Failed to run "%s"  exit_code: %d  cwd: %s' % (args, exit_code, cwd))
206     def __init__(self, cwd, dryrun=False):  argument
207         SCM.__init__(self, cwd, dryrun)
287     def __init__(self, cwd, dryrun=False):  argument
288         SCM.__init__(self, cwd, dryrun)
292         return cls.run_command(['git', 'rev-parse', '--is-inside-work-tree'], cwd=path) == "true"
297 …eckout_root, dot_git) = os.path.split(cls.run_command(['git', 'rev-parse', '--git-dir'], cwd=path))