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#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import re
import subprocess
import sys
from git_command import GIT
from command import Command
from error import RepoChangedException, GitError
from project import R_HEADS
class Sync(Command):
common = True
helpSummary = "Update working tree to the latest revision"
helpUsage = """
%prog [<project>...]
"""
helpDescription = """
The '%prog' command synchronizes local project directories
with the remote repositories specified in the manifest. If a local
project does not yet exist, it will clone a new local directory from
the remote repository and set up tracking branches as specified in
the manifest. If the local project already exists, '%prog'
will update the remote branches and rebase any new local changes
on top of the new remote changes.
'%prog' will synchronize all projects listed at the command
line. Projects can be specified either by name, or by a relative
or absolute path to the project's local directory. If no projects
are specified, '%prog' will synchronize all projects listed in
the manifest.
"""
def _Options(self, p):
p.add_option('--no-repo-verify',
dest='no_repo_verify', action='store_true',
help='do not verify repo source code')
p.add_option('--repo-upgraded',
dest='repo_upgraded', action='store_true',
help='perform additional actions after a repo upgrade')
def _Fetch(self, *projects):
fetched = set()
for project in projects:
if project.Sync_NetworkHalf():
fetched.add(project.gitdir)
else:
print >>sys.stderr, 'error: Cannot fetch %s' % project.name
sys.exit(1)
return fetched
def Execute(self, opt, args):
rp = self.manifest.repoProject
rp.PreSync()
mp = self.manifest.manifestProject
mp.PreSync()
if opt.repo_upgraded:
for project in self.manifest.projects.values():
if project.Exists:
project.PostRepoUpgrade()
all = self.GetProjects(args, missing_ok=True)
fetched = self._Fetch(rp, mp, *all)
if rp.HasChanges:
print >>sys.stderr, 'info: A new version of repo is available'
print >>sys.stderr, ''
if opt.no_repo_verify or _VerifyTag(rp):
if not rp.Sync_LocalHalf():
sys.exit(1)
print >>sys.stderr, 'info: Restarting repo with latest version'
raise RepoChangedException(['--repo-upgraded'])
else:
print >>sys.stderr, 'warning: Skipped upgrade to unverified version'
if mp.HasChanges:
if not mp.Sync_LocalHalf():
sys.exit(1)
self.manifest._Unload()
all = self.GetProjects(args, missing_ok=True)
missing = []
for project in all:
if project.gitdir not in fetched:
missing.append(project)
self._Fetch(*missing)
for project in all:
if project.worktree:
if not project.Sync_LocalHalf():
sys.exit(1)
def _VerifyTag(project):
gpg_dir = os.path.expanduser('~/.repoconfig/gnupg')
if not os.path.exists(gpg_dir):
print >>sys.stderr,\
"""warning: GnuPG was not available during last "repo init"
warning: Cannot automatically authenticate repo."""
return True
remote = project.GetRemote(project.remote.name)
ref = remote.ToLocal(project.revision)
try:
cur = project.bare_git.describe(ref)
except GitError:
cur = None
if not cur \
or re.compile(r'^.*-[0-9]{1,}-g[0-9a-f]{1,}$').match(cur):
rev = project.revision
if rev.startswith(R_HEADS):
rev = rev[len(R_HEADS):]
print >>sys.stderr
print >>sys.stderr,\
"warning: project '%s' branch '%s' is not signed" \
% (project.name, rev)
return False
env = dict(os.environ)
env['GIT_DIR'] = project.gitdir
env['GNUPGHOME'] = gpg_dir
cmd = [GIT, 'tag', '-v', cur]
proc = subprocess.Popen(cmd,
stdout = subprocess.PIPE,
stderr = subprocess.PIPE,
env = env)
out = proc.stdout.read()
proc.stdout.close()
err = proc.stderr.read()
proc.stderr.close()
if proc.wait() != 0:
print >>sys.stderr
print >>sys.stderr, out
print >>sys.stderr, err
print >>sys.stderr
return False
return True
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