# Copyright (C) 2007-2009 Aaron Bentley and Panometrics, Inc.
# Ben Finney <ben+python@benfinney.id.au>
# W. Trevor King <wking@drexel.edu>
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Mercurial (hg) backend.
"""
import os
import re
import sys
import unittest
import doctest
import vcs
def new():
return Hg()
class Hg(vcs.VCS):
name="hg"
client="hg"
versioned=True
def _vcs_version(self):
status,output,error = self._u_invoke_client("--version")
return output
def _vcs_detect(self, path):
"""Detect whether a directory is revision-controlled using Mercurial"""
if self._u_search_parent_directories(path, ".hg") != None:
return True
return False
def _vcs_root(self, path):
status,output,error = self._u_invoke_client("root", cwd=path)
return output.rstrip('\n')
def _vcs_init(self, path):
self._u_invoke_client("init", cwd=path)
def _vcs_get_user_id(self):
status,output,error = self._u_invoke_client("showconfig","ui.username")
return output.rstrip('\n')
def _vcs_set_user_id(self, value):
"""
Supported by the Config Extension, but that is not part of
standard Mercurial.
http://www.selenic.com/mercurial/wiki/index.cgi/ConfigExtension
"""
raise vcs.SettingIDnotSupported
def _vcs_add(self, path):
self._u_invoke_client("add", path)
def _vcs_remove(self, path):
self._u_invoke_client("rm", "--force", path)
def _vcs_update(self, path):
pass
def _vcs_get_file_contents(self, path, revision=None, binary=False):
if revision == None:
return vcs.VCS._vcs_get_file_contents(self, path, revision, binary=binary)
else:
status,output,error = \
self._u_invoke_client("cat","-r",revision,path)
return output
def _vcs_duplicate_repo(self, directory, revision=None):
if revision == None:
return vcs.VCS._vcs_duplicate_repo(self, directory, revision)
else:
self._u_invoke_client("archive", "--rev", revision, directory)
def _vcs_commit(self, commitfile, allow_empty=False):
args = ['commit', '--logfile', commitfile]
status,output,error = self._u_invoke_client(*args)
if allow_empty == False:
strings = ["nothing changed"]
if self._u_any_in_string(strings, output) == True:
raise vcs.EmptyCommit()
return self._vcs_revision_id(-1)
def _vcs_revision_id(self, index, style="id"):
args = ["identify", "--rev", str(int(index)), "--%s" % style]
kwargs = {"expect": (0,255)}
status,output,error = self._u_invoke_client(*args, **kwargs)
if status == 0:
id = output.strip()
if id == '000000000000':
return None # before initial commit.
return id
return None
vcs.make_vcs_testcase_subclasses(Hg, sys.modules[__name__])
unitsuite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()])
