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# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc.
# Ben Finney <benf@cybersource.com.au>
# Gianluca Montecchi <gian@grys.it>
# Marien Zwart <marienz@gentoo.org>
# 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.
"""
Bazaar (bzr) backend.
"""
import os
import re
import sys
import unittest
import libbe
import vcs
if libbe.TESTING == True:
import doctest
def new():
return Bzr()
class Bzr(vcs.VCS):
name = "bzr"
client = "bzr"
versioned = True
def _vcs_version(self):
status,output,error = self._u_invoke_client("--version")
return output
def _vcs_detect(self, path):
if self._u_search_parent_directories(path, ".bzr") != None :
return True
return False
def _vcs_root(self, path):
"""Find the root of the deepest repository containing path."""
status,output,error = self._u_invoke_client("root", 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("whoami")
return output.rstrip('\n')
def _vcs_set_user_id(self, value):
self._u_invoke_client("whoami", value)
def _vcs_add(self, path):
self._u_invoke_client("add", path)
def _vcs_remove(self, path):
# --force to also remove unversioned files.
self._u_invoke_client("remove", "--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:
vcs.VCS._vcs_duplicate_repo(self, directory, revision)
else:
self._u_invoke_client("branch", "--revision", revision,
".", directory)
def _vcs_commit(self, commitfile, allow_empty=False):
args = ["commit", "--file", commitfile]
if allow_empty == True:
args.append("--unchanged")
status,output,error = self._u_invoke_client(*args)
else:
kwargs = {"expect":(0,3)}
status,output,error = self._u_invoke_client(*args, **kwargs)
if status != 0:
strings = ["ERROR: no changes to commit.", # bzr 1.3.1
"ERROR: No changes to commit."] # bzr 1.15.1
if self._u_any_in_string(strings, error) == True:
raise vcs.EmptyCommit()
else:
raise vcs.CommandError(args, status, stderr=error)
revision = None
revline = re.compile("Committed revision (.*)[.]")
match = revline.search(error)
assert match != None, output+error
assert len(match.groups()) == 1
revision = match.groups()[0]
return revision
def _vcs_revision_id(self, index):
status,output,error = self._u_invoke_client("revno")
current_revision = int(output)
if index >= current_revision or index < -current_revision:
return None
if index >= 0:
return str(index+1) # bzr commit 0 is the empty tree.
return str(current_revision+index+1)
if libbe.TESTING == True:
vcs.make_vcs_testcase_subclasses(Bzr, sys.modules[__name__])
unitsuite =unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
suite = unittest.TestSuite([unitsuite, doctest.DocTestSuite()])
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