~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2004, 2005, 2006, 2007 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

"""Report on version of bzrlib"""

import os

import sys

import bzrlib

from bzrlib import (

    bzrdir,

    config,

    errors,

    osutils,

    trace,

    )

from bzrlib.branch import Branch

def show_version():

    print "Bazaar (bzr) %s" % bzrlib.__version__

    # is bzrlib itself in a branch?

    src_tree = _get_bzr_source_tree()

    if src_tree:

        src_revision_id = src_tree.last_revision()

        revno = src_tree.branch.revision_id_to_revno(src_revision_id)

        print "  from bzr checkout", src_tree.basedir

        print "    revision:", revno

        print "    revid:", src_revision_id

        print "    branch nick:", src_tree.branch.nick

    print "Using Python interpreter:", sys.executable

    print "Using Python standard library:", os.path.dirname(os.__file__)

    print "Using bzrlib:",

    if len(bzrlib.__path__) > 1:

        # print repr, which is a good enough way of making it clear it's

        # more than one element (eg ['/foo/bar', '/foo/bzr'])

        print repr(bzrlib.__path__)

    else:

        print bzrlib.__path__[0]

    print "Using Bazaar configuration:", config.config_dir()

    print "Using Bazaar log file:", trace._bzr_log_filename

    print

    print bzrlib.__copyright__

    print "http://bazaar-vcs.org/"

    print

    print "bzr comes with ABSOLUTELY NO WARRANTY.  bzr is free software, and"

    print "you may use, modify and redistribute it under the terms of the GNU"

    print "General Public License version 2 or later."

def _get_bzr_source_tree():

    """Return the WorkingTree for bzr source, if any.

    If bzr is not being run from its working tree, returns None.

    """

    try:

        control = bzrdir.BzrDir.open_containing(__file__)[0]

        return control.open_workingtree(recommend_upgrade=False)

    except (errors.NotBranchError, errors.UnknownFormatError,

            errors.NoWorkingTree):

        return None