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# Copyright (C) 2007 by Jelmer Vernooij
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from bzrlib.commands import Command, Option, display_command, register_command
from bzrlib.errors import (BzrCommandError, ConflictsInTree, NoSuchFile,
UnrelatedBranches)
from bzrlib.trace import info
class cmd_rebase(Command):
"""Re-base a branch.
"""
takes_args = ['upstream_location?']
takes_options = ['revision', 'merge-type', 'verbose',
Option('onto', help='Different revision to replay onto')]
@display_command
def run(self, upstream_location=None, onto=None, revision=None,
merge_type=None, verbose=False):
from bzrlib.branch import Branch
from bzrlib.revisionspec import RevisionSpec
from bzrlib.workingtree import WorkingTree
from rebase import (generate_simple_plan, rebase, rebase_plan_exists,
read_rebase_plan, remove_rebase_plan,
workingtree_replay, write_rebase_plan)
wt = WorkingTree.open('.')
wt.lock_write()
if upstream_location is None:
upstream_location = wt.branch.get_parent()
upstream = Branch.open(upstream_location)
upstream_repository = upstream.repository
upstream_revision = upstream.last_revision()
try:
# Abort if there already is a plan file
if rebase_plan_exists(wt):
raise BzrCommandError("A rebase operation was interrupted. Continue using 'bzr rebase-continue' or abort using 'bzr rebase-abort'")
# Pull required revisions
wt.branch.repository.fetch(upstream_repository,
upstream_revision)
if onto is None:
onto = upstream.last_revision()
else:
onto = RevisionSpec.from_string(onto)
wt.branch.repository.fetch(upstream_repository, onto)
revhistory = wt.branch.revision_history()
revhistory.reverse()
common_revid = None
for revid in revhistory:
if revid in upstream.revision_history():
common_revid = revid
break
if common_revid is None:
raise UnrelatedBranches()
if common_revid == upstream.last_revision():
raise BzrCommandError("Already rebased on %s" % upstream)
start_revid = wt.branch.get_rev_id(
wt.branch.revision_id_to_revno(common_revid)+1)
# Create plan
replace_map = generate_simple_plan(
wt.branch.repository,
wt.branch.revision_history(), start_revid, onto)
# Write plan file
write_rebase_plan(wt, replace_map)
if verbose:
for revid in rebase_todo(wt.branch.repository, replace_map):
info("%s -> %s" % (revid, replace_map[revid][0]))
# Start executing plan
try:
rebase(wt.branch.repository, replace_map, workingtree_replay(wt, merge_type=merge_type))
except ConflictsInTree:
raise BzrCommandError("A conflict occurred replaying a commit. Resolve the conflict and run 'bzr rebase-continue' or run 'bzr rebase-abort'.")
# Remove plan file
remove_rebase_plan(wt)
finally:
wt.unlock()
class cmd_rebase_abort(Command):
"""Abort an interrupted rebase
"""
@display_command
def run(self):
from rebase import read_rebase_plan, remove_rebase_plan, complete_revert
from bzrlib.workingtree import WorkingTree
wt = WorkingTree.open('.')
wt.lock_write()
try:
# Read plan file and set last revision
try:
last_rev_info = read_rebase_plan(wt)[0]
except NoSuchFile:
raise BzrCommandError("No rebase to abort")
complete_revert(wt, [last_rev_info[1]])
remove_rebase_plan(wt)
finally:
wt.unlock()
class cmd_rebase_continue(Command):
"""Continue an interrupted rebase after resolving conflicts
"""
takes_options = ['merge-type']
@display_command
def run(self, merge_type=None):
from rebase import (commit_rebase, rebase, rebase_plan_exists,
read_rebase_plan, read_active_rebase_revid,
remove_rebase_plan, workingtree_replay)
from bzrlib.workingtree import WorkingTree
wt = WorkingTree.open('.')
wt.lock_write()
try:
# Abort if there are any conflicts
if len(wt.conflicts()) != 0:
raise BzrCommandError("There are still conflicts present")
# Read plan file
try:
replace_map = read_rebase_plan(wt)[1]
except NoSuchFile:
raise BzrCommandError("No rebase to continue")
oldrevid = read_active_rebase_revid(wt)
if oldrevid is not None:
oldrev = wt.branch.repository.get_revision(oldrevid)
commit_rebase(wt, oldrev, replace_map[oldrevid][0])
try:
# Start executing plan from current Branch.last_revision()
rebase(wt.branch.repository, replace_map,
workingtree_replay(wt, merge_type=merge_type))
except ConflictsInTree:
raise BzrCommandError("A conflict occurred replaying a commit. Resolve the conflict and run 'bzr rebase-continue' or run 'bzr rebase-abort'.")
# Remove plan file
remove_rebase_plan(wt)
finally:
wt.unlock()
class cmd_rebase_todo(Command):
"""Print list of revisions that still need to be replayed as part of the
current rebase operation.
"""
def run(self):
from rebase import (rebase_todo, read_rebase_plan,
read_active_rebase_revid)
from bzrlib.workingtree import WorkingTree
wt = WorkingTree.open('.')
wt.lock_read()
try:
try:
replace_map = read_rebase_plan(wt)[1]
except NoSuchFile:
raise BzrCommandError("No rebase in progress")
currentrevid = read_active_rebase_revid(wt)
if currentrevid is not None:
info("Currently replaying: %s" % currentrevid)
for revid in rebase_todo(wt.branch.repository, replace_map):
info("%s -> %s" % (revid, replace_map[revid][0]))
finally:
wt.unlock()
register_command(cmd_rebase)
register_command(cmd_rebase_abort)
register_command(cmd_rebase_continue)
register_command(cmd_rebase_todo)
def test_suite():
from unittest import TestSuite
from bzrlib.tests import TestUtil
loader = TestUtil.TestLoader()
suite = TestSuite()
testmod_names = ['test_blackbox', 'test_rebase', 'test_maptree']
suite.addTest(loader.loadTestsFromModuleNames(
["%s.%s" % (__name__, i) for i in testmod_names]))
return suite
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