Share git version parsing code with wrapper module

'repo' and 'git_command.py' had their own git version parsing code.
This change shares that code between the modules.  DRY is good.

Change-Id: Ic896d2dc08353644bd4ced57e15a91284d97d54a
This commit is contained in:
Conley Owens 2014-01-30 14:46:03 -08:00
parent 094cdbe090
commit ff0a3c8f80
2 changed files with 19 additions and 14 deletions

View File

@ -21,6 +21,7 @@ import tempfile
from signal import SIGTERM
from error import GitError
from trace import REPO_TRACE, IsTrace, Trace
from wrapper import Wrapper
GIT = 'git'
MIN_GIT_VERSION = (1, 5, 4)
@ -84,19 +85,10 @@ class _GitCall(object):
def version_tuple(self):
global _git_version
if _git_version is None:
ver_str = git.version().decode('utf-8')
if ver_str.startswith('git version '):
num_ver_str = ver_str[len('git version '):].strip().split('-')[0]
to_tuple = []
for num_str in num_ver_str.split('.')[:3]:
if num_str.isdigit():
to_tuple.append(int(num_str))
else:
to_tuple.append(0)
_git_version = tuple(to_tuple)
else:
_git_version = Wrapper().ParseGitVersion(ver_str)
if _git_version is None:
print('fatal: "%s" unsupported' % ver_str, file=sys.stderr)
sys.exit(1)
return _git_version

19
repo
View File

@ -278,6 +278,20 @@ def _Init(args):
raise
def ParseGitVersion(ver_str):
if not ver_str.startswith('git version '):
return None
num_ver_str = ver_str[len('git version '):].strip().split('-')[0]
to_tuple = []
for num_str in num_ver_str.split('.')[:3]:
if num_str.isdigit():
to_tuple.append(int(num_str))
else:
to_tuple.append(0)
return tuple(to_tuple)
def _CheckGitVersion():
cmd = [GIT, '--version']
try:
@ -295,12 +309,11 @@ def _CheckGitVersion():
proc.stdout.close()
proc.wait()
if not ver_str.startswith('git version '):
ver_act = ParseGitVersion(ver_str)
if ver_act is None:
_print('error: "%s" unsupported' % ver_str, file=sys.stderr)
raise CloneFailure()
ver_str = ver_str[len('git version '):].strip()
ver_act = tuple(map(int, ver_str.split('.')[0:3]))
if ver_act < MIN_GIT_VERSION:
need = '.'.join(map(str, MIN_GIT_VERSION))
_print('fatal: git %s or later required' % need, file=sys.stderr)