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# Copyright (C) 2009 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 functools
import sys
from command import Command, DEFAULT_LOCAL_JOBS
from progress import Progress
class Checkout(Command):
COMMON = True
helpSummary = "Checkout a branch for development"
helpUsage = """
%prog <branchname> [<project>...]
"""
helpDescription = """
The '%prog' command checks out an existing branch that was previously
created by 'repo start'.
The command is equivalent to:
repo forall [<project>...] -c git checkout <branchname>
"""
PARALLEL_JOBS = DEFAULT_LOCAL_JOBS
def ValidateOptions(self, opt, args):
if not args:
self.Usage()
def _ExecuteOne(self, nb, project):
"""Checkout one project."""
return (project.CheckoutBranch(nb), project)
def Execute(self, opt, args):
nb = args[0]
err = []
success = []
all_projects = self.GetProjects(args[1:], all_manifests=not opt.this_manifest_only)
def _ProcessResults(_pool, pm, results):
for status, project in results:
if status is not None:
if status:
success.append(project)
else:
err.append(project)
pm.update()
self.ExecuteInParallel(
opt.jobs,
functools.partial(self._ExecuteOne, nb),
all_projects,
callback=_ProcessResults,
output=Progress('Checkout %s' % (nb,), len(all_projects), quiet=opt.quiet))
if err:
for p in err:
print("error: %s/: cannot checkout %s" % (p.relpath, nb),
file=sys.stderr)
sys.exit(1)
elif not success:
print('error: no project has branch %s' % nb, file=sys.stderr)
sys.exit(1)
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