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#!/usr/bin/env python
"""\
This is an attempt to take the internal delta object, and represent
it as a single-file text-only changeset.
This should have commands for both generating a changeset,
and for applying a changeset.
"""
import sys
from bzrlib.branch import Branch
from bzrlib.commands import Command, register_command
import bzrlib.errors as errors
from bzrlib.option import Option
from bzrlib.revision import (common_ancestor, MultipleRevisionSources,
NULL_REVISION)
from bzrlib.trace import note
from bzrlib import urlutils
class cmd_send_changeset(Command):
"""Send a bundled up changset via mail.
If no revision has been specified, the last commited change will
be sent.
Subject of the mail can be specified by the --message option,
otherwise information from the changeset log will be used.
A editor will be spawned where the user may enter a description
of the changeset. The description can be read from a file with
the --file FILE option.
"""
takes_options = ['revision', 'message', 'file']
takes_args = ['to?']
def run(self, to=None, message=None, revision=None, file=None):
from bzrlib.errors import BzrCommandError
from send_changeset import send_changeset
if isinstance(revision, (list, tuple)):
if len(revision) > 1:
raise BzrCommandError('We do not support rollup-changesets yet.')
revision = revision[0]
b = Branch.open_containing('.')
if not to:
try:
to = b.controlfile('x-send-address', 'rb').read().strip('\n')
except:
raise BzrCommandError('destination address is not known')
if not isinstance(revision, (list, tuple)):
revision = [revision]
send_changeset(b, revision, to, message, file)
class cmd_bundle_revisions(Command):
"""Generate a revision bundle.
This bundle contains all of the meta-information of a
diff, rather than just containing the patch information.
You can apply it to another tree using 'bzr merge'.
bzr bundle-revisions
- Generate a bundle relative to a remembered location
bzr bundle-revisions BASE
- Bundle to apply the current tree into BASE
bzr bundle-revisions --revision A
- Bundle to apply revision A to remembered location
bzr bundle-revisions --revision A..B
- Bundle to transform A into B
"""
takes_options = ['verbose', 'revision', 'remember',
Option("output", help="write bundle to specified file",
type=unicode)]
takes_args = ['base?']
aliases = ['bundle']
def run(self, base=None, revision=None, output=None, remember=False):
from bzrlib import user_encoding
from bzrlib.bundle.serializer import write_bundle
target_branch = Branch.open_containing(u'.')[0]
if base is None:
base_specified = False
else:
base_specified = True
if revision is None:
target_revision = target_branch.last_revision()
elif len(revision) < 3:
target_revision = revision[-1].in_history(target_branch).rev_id
if len(revision) == 2:
if base_specified:
raise errors.BzrCommandError('Cannot specify base as well'
' as two revision arguments.')
base_revision = revision[0].in_history(target_branch).rev_id
else:
raise errors.BzrCommandError('--revision takes 1 or 2 parameters')
if revision is None or len(revision) < 2:
submit_branch = target_branch.get_submit_branch()
if base is None:
base = submit_branch
if base is None:
base = target_branch.get_parent()
if base is None:
raise errors.BzrCommandError("No base branch known or"
" specified.")
elif not base_specified:
# FIXME:
# note() doesn't pay attention to terminal_encoding() so
# we must format with 'ascii' to be safe
note('Using saved location: %s',
urlutils.unescape_for_display(base, 'ascii'))
base_branch = Branch.open(base)
# We don't want to lock the same branch across
# 2 different branches
if target_branch.base == base_branch.base:
base_branch = target_branch
if submit_branch is None or remember:
if base_specified:
target_branch.set_submit_branch(base_branch.base)
elif remember:
raise errors.BzrCommandError('--remember requires a branch'
' to be specified.')
target_branch.repository.fetch(base_branch.repository,
base_branch.last_revision())
base_revision = common_ancestor(base_branch.last_revision(),
target_revision,
target_branch.repository)
if output is not None:
fileobj = file(output, 'wb')
else:
fileobj = sys.stdout
target_branch.repository.lock_read()
try:
write_bundle(target_branch.repository, target_revision,
base_revision, fileobj)
finally:
target_branch.repository.unlock()
class cmd_verify_changeset(Command):
"""Read a written changeset, and make sure it is valid.
"""
takes_args = ['filename?']
def run(self, filename=None):
from read_changeset import read_changeset
#from bzrlib.xml import serializer_v4
b, relpath = Branch.open_containing('.')
if filename is None or filename == '-':
f = sys.stdin
else:
f = open(filename, 'U')
cset_info, cset_tree = read_changeset(f, b)
# print cset_info
# print cset_tree
#serializer_v4.write(cset_tree.inventory, sys.stdout)
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