def GitHash(wc_dir):
"""Finds the current commit hash of the wc_dir."""
retval, text = chromium_utils.GetStatusOutput(
[GitExe(), 'rev-parse', 'HEAD'], cwd=wc_dir)
if retval or 'fatal: Not a git repository' in text:
raise NotGitWorkingCopy(wc_dir)
return text.strip()
def GitOrSubversion(wc_dir):
"""Returns the VCS for the given directory.
Returns:
'svn' if the directory is a valid svn repo
'git' if the directory is a valid git repo root
None otherwise
"""
ret, out = chromium_utils.GetStatusOutput([SubversionExe(), 'info', wc_dir])
if not ret and 'is not a working copy' not in out:
return 'svn'
ret, out = chromium_utils.GetStatusOutput(
[GitExe(), 'rev-parse', '--is-inside-work-tree'], cwd=wc_dir)
if not ret and 'fatal: Not a git repository' not in out:
return 'git'
return None
def ScrapeSVNInfoRevision(wc_dir, regexp):
"""Runs 'svn info' on a working copy and applies the supplied regex and
returns the matched group as an int.
regexp can be either a compiled regex or a string regex.
throws NotSVNWorkingCopy if wc_dir is not in a working copy.
throws InvalidSVNRevision if matched group is not alphanumeric.
"""
if isinstance(regexp, (str, unicode)):
regexp = re.compile(regexp)
retval, svn_info = chromium_utils.GetStatusOutput([SubversionExe(), 'info',
wc_dir])
if retval or 'is not a working copy' in svn_info:
raise NotSVNWorkingCopy(wc_dir)
text = regexp.sub(r'\1', svn_info)
if text.isalnum():
return int(text)
else:
raise InvalidSVNRevision(text)