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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 sys
from command import Command
CHANGE_RE = re.compile(r'^([1-9][0-9]*)(?:[/\.-]([1-9][0-9]*))?$')
class Download(Command):
common = True
helpSummary = "Download and checkout a change"
helpUsage = """
%prog {project change[/patchset]}...
"""
helpDescription = """
The '%prog' command downloads a change from the review system and
makes it available in your project's local working directory.
"""
def _Options(self, p):
pass
def _ParseChangeIds(self, args):
to_get = []
project = None
for a in args:
m = CHANGE_RE.match(a)
if m:
if not project:
self.Usage()
chg_id = int(m.group(1))
if m.group(2):
ps_id = int(m.group(2))
else:
ps_id = 1
to_get.append((project, chg_id, ps_id))
else:
project = self.GetProjects([a])[0]
return to_get
def Execute(self, opt, args):
for project, change_id, ps_id in self._ParseChangeIds(args):
dl = project.DownloadPatchSet(change_id, ps_id)
if not dl:
print >>sys.stderr, \
'[%s] change %d/%d not found' \
% (project.name, change_id, ps_id)
sys.exit(1)
if not dl.commits:
print >>sys.stderr, \
'[%s] change %d/%d has already been merged' \
% (project.name, change_id, ps_id)
continue
if len(dl.commits) > 1:
print >>sys.stderr, \
'[%s] %d/%d depends on %d unmerged changes:' \
% (project.name, change_id, ps_id, len(dl.commits))
for c in dl.commits:
print >>sys.stderr, ' %s' % (c)
project._Checkout(dl.commit)
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