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# Copyright (C) 2004 Aaron Bentley
# <aaron.bentley@utoronto.ca>
#
# 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
import sys
import os
import shutil
sys.path=[os.path.realpath(os.path.dirname(__file__)+"/..")]+sys.path
import arch
import pylon
from pylon.util import tmpdir
from pylon import errors
import cmdutil
import commands
__docformat__ = "restructuredtext"
__doc__ = "Native show-changeset command"
class ShowChangeset(commands.BaseCommand):
"""Show the changes made by a changeset"""
def __init__(self):
self.description = self.__doc__
def get_completer(self, arg, index):
iter_r = cmdutil.iter_revision_completions(arg, arch.tree_root("."))
iter_d = cmdutil.iter_dir_completions(arg)
return cmdutil.iter_combine([iter_r, iter_d])
def do_command(self, cmdargs):
parser=self.get_parser()
(options, args) = parser.parse_args(cmdargs)
if len(args) != 1:
raise errors.GetHelp
try:
tree = arch.tree_root(".")
except:
tree = None
try:
revision = cmdutil.determine_revision_arch(tree, args[0])
tempdir = tmpdir(os.getcwd())
dir = tempdir
except errors.CantDetermineRevision:
revision = None
if os.access(args[0], os.X_OK) and os.path.isdir(args[0]):
dirspec=args[0]
tempdir = None
elif os.access(args[0], os.R_OK) and os.path.isfile(args[0]):
tempdir = tmpdir(os.getcwd())
dirspec = pylon.util.untar_parent(args[0], tempdir)
else:
raise
try:
if revision:
cmdutil.ensure_archive_registered(revision.archive)
changeset = revision.get_patch(dir)
elif dirspec:
changeset = arch.Changeset(dirspec)
try:
munger = pylon.ChangesetMunger(changeset)
munger.read_indices()
for line in pylon.iter_changes(munger):
cmdutil.colorize(line)
except errors.InvalidChangeset, e:
raise errors.CommandFailedWrapper(e)
if options.diff:
for line in pylon.diff_iter2(munger.changeset):
cmdutil.colorize(line)
finally:
if tempdir:
shutil.rmtree(tempdir)
return 0
def get_parser(self):
parser = cmdutil.CmdOptionParser("fai show-changeset REVISION/DIR")
parser.add_option("-d", "--diff", action="store_true",
dest="diff", help="Show diffs")
return parser
def help(self, parser=None):
"""
Prints a help message.
:param parser: If supplied, the parser to use for generating help. If \
not supplied, it is retrieved.
:type parser: cmdutil.CmdOptionParser
"""
if parser==None:
parser=self.get_parser()
parser.print_help()
def add_command(commands):
commands["show-changeset"] = ShowChangeset
# arch-tag: 04abf5e0-b961-4367-9c47-d2d25f8f0ddb
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