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# Copyright 2005-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import logging
import subprocess
import portage
from portage import os
from portage.util import writemsg_level, shlex_split
from portage.output import create_color_func
good = create_color_func("GOOD")
bad = create_color_func("BAD")
warn = create_color_func("WARN")
from portage.sync.syncbase import NewBase
class GitSync(NewBase):
'''Git sync class'''
short_desc = "Perform sync operations on git based repositories"
@staticmethod
def name():
return "GitSync"
def __init__(self):
NewBase.__init__(self, "git", portage.const.GIT_PACKAGE_ATOM)
def exists(self, **kwargs):
'''Tests whether the repo actually exists'''
return os.path.exists(os.path.join(self.repo.location, '.git'))
def new(self, **kwargs):
'''Do the initial clone of the repository'''
if kwargs:
self._kwargs(kwargs)
try:
if not os.path.exists(self.repo.location):
os.makedirs(self.repo.location)
self.logger(self.xterm_titles,
'Created new directory %s' % self.repo.location)
except IOError:
return (1, False)
sync_uri = self.repo.sync_uri
if sync_uri.startswith("file://"):
sync_uri = sync_uri[7:]
git_cmd_opts = ""
if self.repo.module_specific_options.get('sync-git-env'):
shlexed_env = shlex_split(self.repo.module_specific_options['sync-git-env'])
env = dict((k, v) for k, _, v in (assignment.partition('=') for assignment in shlexed_env) if k)
self.spawn_kwargs['env'].update(env)
if self.repo.module_specific_options.get('sync-git-clone-env'):
shlexed_env = shlex_split(self.repo.module_specific_options['sync-git-clone-env'])
clone_env = dict((k, v) for k, _, v in (assignment.partition('=') for assignment in shlexed_env) if k)
self.spawn_kwargs['env'].update(clone_env)
if self.settings.get("PORTAGE_QUIET") == "1":
git_cmd_opts += " --quiet"
if self.repo.clone_depth is not None:
if self.repo.clone_depth != 0:
git_cmd_opts += " --depth %d" % self.repo.clone_depth
elif self.repo.sync_depth is not None:
if self.repo.sync_depth != 0:
git_cmd_opts += " --depth %d" % self.repo.sync_depth
else:
# default
git_cmd_opts += " --depth 1"
if self.repo.module_specific_options.get('sync-git-clone-extra-opts'):
git_cmd_opts += " %s" % self.repo.module_specific_options['sync-git-clone-extra-opts']
git_cmd = "%s clone%s %s ." % (self.bin_command, git_cmd_opts,
portage._shell_quote(sync_uri))
writemsg_level(git_cmd + "\n")
exitcode = portage.process.spawn_bash("cd %s ; exec %s" % (
portage._shell_quote(self.repo.location), git_cmd),
**self.spawn_kwargs)
if exitcode != os.EX_OK:
msg = "!!! git clone error in %s" % self.repo.location
self.logger(self.xterm_titles, msg)
writemsg_level(msg + "\n", level=logging.ERROR, noiselevel=-1)
return (exitcode, False)
return (os.EX_OK, True)
def update(self):
''' Update existing git repository, and ignore the syncuri. We are
going to trust the user and assume that the user is in the branch
that he/she wants updated. We'll let the user manage branches with
git directly.
'''
git_cmd_opts = ""
if self.repo.module_specific_options.get('sync-git-env'):
shlexed_env = shlex_split(self.repo.module_specific_options['sync-git-env'])
env = dict((k, v) for k, _, v in (assignment.partition('=') for assignment in shlexed_env) if k)
self.spawn_kwargs['env'].update(env)
if self.repo.module_specific_options.get('sync-git-pull-env'):
shlexed_env = shlex_split(self.repo.module_specific_options['sync-git-pull-env'])
pull_env = dict((k, v) for k, _, v in (assignment.partition('=') for assignment in shlexed_env) if k)
self.spawn_kwargs['env'].update(pull_env)
if self.settings.get("PORTAGE_QUIET") == "1":
git_cmd_opts += " --quiet"
if self.repo.module_specific_options.get('sync-git-pull-extra-opts'):
git_cmd_opts += " %s" % self.repo.module_specific_options['sync-git-pull-extra-opts']
git_cmd = "%s pull%s" % (self.bin_command, git_cmd_opts)
writemsg_level(git_cmd + "\n")
rev_cmd = [self.bin_command, "rev-list", "--max-count=1", "HEAD"]
previous_rev = subprocess.check_output(rev_cmd,
cwd=portage._unicode_encode(self.repo.location))
exitcode = portage.process.spawn_bash("cd %s ; exec %s" % (
portage._shell_quote(self.repo.location), git_cmd),
**self.spawn_kwargs)
if exitcode != os.EX_OK:
msg = "!!! git pull error in %s" % self.repo.location
self.logger(self.xterm_titles, msg)
writemsg_level(msg + "\n", level=logging.ERROR, noiselevel=-1)
return (exitcode, False)
current_rev = subprocess.check_output(rev_cmd,
cwd=portage._unicode_encode(self.repo.location))
return (os.EX_OK, current_rev != previous_rev)
def retrieve_head(self, **kwargs):
'''Get information about the head commit'''
if kwargs:
self._kwargs(kwargs)
rev_cmd = [self.bin_command, "rev-list", "--max-count=1", "HEAD"]
try:
ret = (os.EX_OK,
portage._unicode_decode(subprocess.check_output(rev_cmd,
cwd=portage._unicode_encode(self.repo.location))))
except subprocess.CalledProcessError:
ret = (1, False)
return ret
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