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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2004-2008 Zuza Software Foundation
#
# This file is part of translate.
#
# translate 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.
#
# translate 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 translate; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from translate.storage.versioncontrol import run_command
from translate.storage.versioncontrol import GenericRevisionControlSystem
def is_available():
"""check if hg is installed"""
exitcode, output, error = run_command(["hg", "--version"])
return exitcode == 0
def get_version():
"""return a tuple of (major, minor) for the installed bazaar client"""
import re
command = ["hg", "--version"]
exitcode, output, error = run_command(command)
if exitcode == 0:
version_line = output.splitlines()[0]
version_match = re.search(r"\d+\.\d+", version_line)
if version_match:
major, minor = version_match.group().split(".")
if (major.isdigit() and minor.isdigit()):
return (int(major), int(minor))
# if anything broke before, then we return the invalid version number
return (0, 0)
class hg(GenericRevisionControlSystem):
"""Class to manage items under revision control of mercurial."""
RCS_METADIR = ".hg"
SCAN_PARENTS = True
def update(self, revision=None):
"""Does a clean update of the given path
@param revision: ignored for hg
"""
# revert local changes (avoids conflicts)
command = ["hg", "-R", self.root_dir, "revert",
"--all", self.location_abs]
exitcode, output_revert, error = run_command(command)
if exitcode != 0:
raise IOError("[Mercurial] error running '%s': %s" % (command, error))
# pull new patches
command = ["hg", "-R", self.root_dir, "pull"]
exitcode, output_pull, error = run_command(command)
if exitcode != 0:
raise IOError("[Mercurial] error running '%s': %s" % (command, error))
# update working directory
command = ["hg", "-R", self.root_dir, "update"]
exitcode, output_update, error = run_command(command)
if exitcode != 0:
raise IOError("[Mercurial] error running '%s': %s" % (command, error))
return output_revert + output_pull + output_update
def commit(self, message=None, author=None):
"""Commits the file and supplies the given commit message if present"""
if message is None:
message = ""
# commit changes
command = ["hg", "-R", self.root_dir, "commit", "-m", message]
# add the 'author' argument, if it was given (only supported since v1.0)
if author and (get_version() >= (1, 0)):
command.extend(["--user", author])
# the location is the last argument
command.append(self.location_abs)
exitcode, output_commit, error = run_command(command)
if exitcode != 0:
raise IOError("[Mercurial] Error running '%s': %s" \
% (command, error))
# push changes
command = ["hg", "-R", self.root_dir, "push"]
exitcode, output_push, error = run_command(command)
if exitcode != 0:
raise IOError("[Mercurial] Error running '%s': %s" \
% (command, error))
return output_commit + output_push
def getcleanfile(self, revision=None):
"""Get a clean version of a file from the hg repository"""
# run hg cat
command = ["hg", "-R", self.root_dir, "cat",
self.location_abs]
exitcode, output, error = run_command(command)
if exitcode != 0:
raise IOError("[Mercurial] Error running '%s': %s" \
% (command, error))
return output
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