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# -*- coding:utf-8 -*-
#
# Copyright (C) 2010 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.
from __future__ import print_function
import sys
from command import Command
from git_command import GitCommand
class Rebase(Command):
common = True
helpSummary = "Rebase local branches on upstream branch"
helpUsage = """
%prog {[<project>...] | -i <project>...}
"""
helpDescription = """
'%prog' uses git rebase to move local changes in the current topic branch to
the HEAD of the upstream history, useful when you have made commits in a topic
branch but need to incorporate new upstream changes "underneath" them.
"""
def _Options(self, p):
p.add_option('-i', '--interactive',
dest="interactive", action="store_true",
help="interactive rebase (single project only)")
p.add_option('-f', '--force-rebase',
dest='force_rebase', action='store_true',
help='Pass --force-rebase to git rebase')
p.add_option('--no-ff',
dest='no_ff', action='store_true',
help='Pass --no-ff to git rebase')
p.add_option('-q', '--quiet',
dest='quiet', action='store_true',
help='Pass --quiet to git rebase')
p.add_option('--autosquash',
dest='autosquash', action='store_true',
help='Pass --autosquash to git rebase')
p.add_option('--whitespace',
dest='whitespace', action='store', metavar='WS',
help='Pass --whitespace to git rebase')
p.add_option('--auto-stash',
dest='auto_stash', action='store_true',
help='Stash local modifications before starting')
p.add_option('-m', '--onto-manifest',
dest='onto_manifest', action='store_true',
help='Rebase onto the manifest version instead of upstream '
'HEAD. This helps to make sure the local tree stays '
'consistent if you previously synced to a manifest.')
def Execute(self, opt, args):
all_projects = self.GetProjects(args)
one_project = len(all_projects) == 1
if opt.interactive and not one_project:
print('error: interactive rebase not supported with multiple projects',
file=sys.stderr)
if len(args) == 1:
print('note: project %s is mapped to more than one path' % (args[0],),
file=sys.stderr)
return 1
# Setup the common git rebase args that we use for all projects.
common_args = ['rebase']
if opt.whitespace:
common_args.append('--whitespace=%s' % opt.whitespace)
if opt.quiet:
common_args.append('--quiet')
if opt.force_rebase:
common_args.append('--force-rebase')
if opt.no_ff:
common_args.append('--no-ff')
if opt.autosquash:
common_args.append('--autosquash')
if opt.interactive:
common_args.append('-i')
for project in all_projects:
cb = project.CurrentBranch
if not cb:
if one_project:
print("error: project %s has a detached HEAD" % project.relpath,
file=sys.stderr)
return 1
# ignore branches with detatched HEADs
continue
upbranch = project.GetBranch(cb)
if not upbranch.LocalMerge:
if one_project:
print("error: project %s does not track any remote branches"
% project.relpath, file=sys.stderr)
return 1
# ignore branches without remotes
continue
args = common_args[:]
if opt.onto_manifest:
args.append('--onto')
args.append(project.revisionExpr)
args.append(upbranch.LocalMerge)
print('# %s: rebasing %s -> %s'
% (project.relpath, cb, upbranch.LocalMerge), file=sys.stderr)
needs_stash = False
if opt.auto_stash:
stash_args = ["update-index", "--refresh", "-q"]
if GitCommand(project, stash_args).Wait() != 0:
needs_stash = True
# Dirty index, requires stash...
stash_args = ["stash"]
if GitCommand(project, stash_args).Wait() != 0:
return 1
if GitCommand(project, args).Wait() != 0:
return 1
if needs_stash:
stash_args.append('pop')
stash_args.append('--quiet')
if GitCommand(project, stash_args).Wait() != 0:
return 1
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