MrDraw/src/octoprint/plugins/softwareupdate/version_checks/git_commit.py
2015-06-09 13:35:03 +02:00

88 lines
No EOL
2.4 KiB
Python

# coding=utf-8
from __future__ import absolute_import
__author__ = "Gina Häußge <osd@foosel.net>"
__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
__copyright__ = "Copyright (C) 2014 The OctoPrint Project - Released under terms of the AGPLv3 License"
import errno
import subprocess
import sys
import logging
from ..exceptions import ConfigurationInvalid
def _get_git_executables():
GITS = ["git"]
if sys.platform == "win32":
GITS = ["git.cmd", "git.exe"]
return GITS
def _git(args, cwd, hide_stderr=False):
commands = _get_git_executables()
for c in commands:
try:
p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE,
stderr=(subprocess.PIPE if hide_stderr
else None))
break
except EnvironmentError:
e = sys.exc_info()[1]
if e.errno == errno.ENOENT:
continue
return None, None
else:
return None, None
stdout = p.communicate()[0].strip()
if sys.version >= '3':
stdout = stdout.decode()
if p.returncode != 0:
return p.returncode, None
return p.returncode, stdout
def get_latest(target, check):
if not "checkout_folder" in check:
raise ConfigurationInvalid("Update configuration for %s needs checkout_folder" % target)
checkout_folder = check["checkout_folder"]
returncode, _ = _git(["fetch"], checkout_folder)
if returncode != 0:
return None, True
returncode, local_commit = _git(["rev-parse", "@{0}"], checkout_folder)
if returncode != 0:
return None, True
returncode, remote_commit = _git(["rev-parse", "@{u}"], checkout_folder)
if returncode != 0:
return None, True
return_code, base = _git(["merge-base", "@{0}", "@{u}"], checkout_folder)
if returncode != 0:
return None, True
if local_commit == remote_commit or remote_commit == base:
information = dict(
local=dict(name="Commit %s" % local_commit, value=local_commit),
remote=dict(name="Commit %s" % local_commit, value=local_commit)
)
is_current = True
else:
information = dict(
local=dict(name="Commit %s" % local_commit, value=local_commit),
remote=dict(name="Commit %s" % remote_commit, value=remote_commit)
)
is_current = local_commit == remote_commit
logger = logging.getLogger("octoprint.plugins.softwareupdate.version_checks.git_commit")
logger.debug("Target: %s, local: %s, remote: %s" % (target, local_commit, remote_commit))
return information, is_current