def fetch(args):
'''fetch a changeset from a mercurial remote'''
remote = args.remote
revs = args.revs
full_revs = []
for rev in revs:
if not re.match('[0-9a-f]{40}$', rev.lower()):
if remote.startswith('hg:'):
url = remote
else:
url = Git.config('remote.%s.url' % remote)
if not url:
print >> sys.stderr, "Unknown remote:", remote
return 1
if url.startswith('hg::'):
url = url[4:]
repo = get_repo(Remote(remote, url))
if repo.capable('lookup'):
rev = hexlify(repo.lookup(rev))
else:
print >> sys.stderr, (
'Remote repository does not support the "lookup" command. '
'Please use a non-abbreviated mercurial revision.')
return 1
full_revs.append(rev)
refs = ['hg/revs/%s' % r for r in full_revs]
proc = GitProcess('fetch',
remote,
*refs,
stdout=sys.stdout,
config={'cinnabar.fetch': ' '.join(full_revs)})
return proc.wait()
def main(args):
parser = argparse.ArgumentParser()
parser.add_argument('url', help='URL of Mercurial repo to push to')
parser.add_argument('commit', help='Git commit to push')
parser.add_argument('--config-file', action='append',
help='Extra Mercurial config file to load')
args = parser.parse_args(args)
url = args.url
commit = args.commit
init_logging()
if passwordmgr:
repo = get_repo(Remote('hg::%s' % url, url))
else:
from mercurial import hg
ui = get_ui()
for p in args.config_file or []:
ui.readconfig(p, trust=True)
repo = hg.peer(ui, {}, url)
heads = (hexlify(h) for h in repo.heads())
store = PushStore()
try:
pushed = push(repo, store, {commit: (None, False)}, heads, ())
except Exception as e:
# This is a common error. So rather than display the entire stack to
# the user, exit with a well-defined exit code so the caller can
# display a nice error message.
if any(arg.startswith('Pushing merges is not supported yet')
for arg in getattr(e, 'args', ())[:1]):
return 127
raise
commits = []
if pushed:
for commit in pushed.iternodes():
changeset = store.hg_changeset(commit)
ref = store.changeset_ref(changeset)
new_data = type(ref) != str
commits.append([commit, changeset, new_data])
# By now, cinnabar or its subprocesses should not be writing anything to
# either stdout or stderr. Ensure stderr is flushed for _this_ process,
# since git-mozreview uses the same file descriptor for both stdout and
# stderr, and we want to try to avoid mixed output.
sys.stderr.flush()
for commit, changeset, new_data in commits:
print('>result>', commit, changeset, new_data)
sys.stdout.flush()
return 0
def unbundle(args):
'''apply a mercurial bundle to the repository'''
# Make git emit its error when the current directory is not in a git repo.
proc = GitProcess('rev-parse')
ret = proc.wait()
if ret:
return ret
remote = Remote(b'', fsencode(args.url))
if remote.parsed_url.scheme not in (b'file', b'http', b'https'):
logging.error('%s urls are not supported.' % remote.parsed_url.scheme)
return 1
if args.clonebundle:
repo = get_repo(remote)
if not repo.capable(b'clonebundles'):
logging.error('Repository does not support clonebundles')
return 1
bundle = get_clonebundle(repo)
else:
bundle = get_bundle(remote.url)
store = GitHgStore()
GRAFT = {
None: False,
b'false': False,
b'true': True,
}
try:
graft = Git.config('cinnabar.graft', values=GRAFT)
except InvalidConfig as e:
logging.error(str(e))
return 1
if graft:
store.prepare_graft()
bundle = unbundler(bundle)
apply_bundle = BundleApplier(bundle)
del bundle
apply_bundle(store)
store.close()