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# Copyright (C) 2005, 2006 Canonical Ltd
#
# 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
"""Commands for generating snapshot information about a bzr tree."""
from bzrlib.lazy_import import lazy_import
lazy_import(globals(), """
from bzrlib import (
branch,
errors,
version_info_formats,
workingtree,
)
""")
from bzrlib.commands import Command
from bzrlib.option import Option
def _parse_version_info_format(format):
"""Convert a string passed by the user into a VersionInfoFormat.
This looks in the version info format registry, and if the format
cannot be found, generates a useful error exception.
"""
try:
return version_info_formats.get_builder(format)
except KeyError:
formats = version_info_formats.get_builder_formats()
raise errors.BzrCommandError('No known version info format %s.'
' Supported types are: %s'
% (format, formats))
class cmd_version_info(Command):
"""Show version information about this tree."""
takes_options = [Option('format', type=_parse_version_info_format,
help='Select the output format'),
Option('all', help='include all possible information'),
Option('check-clean', help='check if tree is clean'),
Option('include-history',
help='Include the revision-history'),
Option('include-file-revisions',
help='Include the last revision for each file')
]
takes_args = ['location?']
encoding_type = 'exact'
def run(self, location=None, format=None,
all=False, check_clean=False, include_history=False,
include_file_revisions=False):
if location is None:
location = '.'
if format is None:
format = version_info_formats.get_builder(None)
wt = None
try:
wt = workingtree.WorkingTree.open_containing(location)[0]
except errors.NoWorkingTree:
b = branch.Branch.open(location)
else:
b = wt.branch
if all:
include_history = True
check_clean = True
include_file_revisions=True
builder = format(b, working_tree=wt,
check_for_clean=check_clean,
include_revision_history=include_history,
include_file_revisions=include_file_revisions)
builder.generate(self.outf)
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