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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 bzrlib, bzrlib.commands
class cmd_send_changeset(bzrlib.commands.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 import find_branch
from bzrlib.commands 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 = find_branch('.')
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_changeset(bzrlib.commands.Command):
"""Generate a bundled up changeset.
This changeset contains all of the meta-information of a
diff, rather than just containing the patch information.
It will store it into FILENAME if supplied, otherwise it writes
to stdout
Right now, rollup changesets, or working tree changesets are
not supported. This will only generate a changeset that has been
committed. You can use "--revision" to specify a certain change
to display.
"""
takes_options = ['revision']
takes_args = ['filename?']
aliases = ['cset']
def run(self, revision=None, filename=None):
from bzrlib import find_branch
import gen_changeset
import sys
import codecs
if filename is None or filename == '-':
outf = codecs.getwriter(bzrlib.user_encoding)(sys.stdout, errors='replace')
else:
f = open(filename, 'wb')
outf = codecs.getwriter(bzrlib.user_encoding)(f, errors='replace')
if not isinstance(revision, (list, tuple)):
revision = [revision]
b = find_branch('.')
gen_changeset.show_changeset(b, revision, to_file=outf)
class cmd_verify_changeset(bzrlib.commands.Command):
"""Read a written changeset, and make sure it is valid.
"""
takes_args = ['filename?']
def run(self, filename=None):
import sys, read_changeset
from bzrlib.xml import pack_xml
if filename is None or filename == '-':
f = sys.stdin
else:
f = open(filename, 'U')
cset_info = read_changeset.read_changeset(f)
print cset_info
cset = cset_info.get_changeset()
print cset.entries
for rev_info in cset_info.revisions:
rev = rev_info.as_revision()
pack_xml(rev, sys.stdout)
class cmd_apply_changeset(bzrlib.commands.Command):
"""Read in the given changeset, and apply it to the
current tree.
"""
takes_args = ['filename?']
takes_options = []
def run(self, filename=None, reverse=False, auto_commit=False):
from bzrlib import find_branch
import sys
import apply_changeset
b = find_branch('.') # Make sure we are in a branch
if filename is None or filename == '-':
f = sys.stdin
else:
f = open(filename, 'U') # Universal newlines
apply_changeset.apply_changeset(b, f, reverse=reverse,
auto_commit=auto_commit)
bzrlib.commands.register_command(cmd_changeset)
bzrlib.commands.register_command(cmd_verify_changeset)
bzrlib.commands.register_command(cmd_apply_changeset)
bzrlib.commands.register_command(cmd_send_changeset)
from test import cmd_test_plugins
bzrlib.commands.register_command(cmd_test_plugins)
bzrlib.commands.OPTIONS['reverse'] = None
bzrlib.commands.OPTIONS['auto-commit'] = None
cmd_apply_changeset.takes_options.append('reverse')
cmd_apply_changeset.takes_options.append('auto-commit')
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