/usr/lib/python3/dist-packages/rosdistro/vcs.py is in python3-rosdistro 0.6.6-1.
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#
# Copyright (c) 2013, Open Source Robotics Foundation, Inc.
# Copyright (c) 2016, Clearpath Robotics
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Open Source Robotics Foundation, Inc. nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior
# written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import os
import re
import subprocess
from distutils.version import LooseVersion
class Git(object):
_client_executable = None
_client_version = None
def __init__(self, cwd=None):
self.cwd = cwd
if not self._client_executable:
self.__class__._client_executable = _find_executable('git')
def command(self, *args):
assert self._client_executable is not None, "'git' not found"
return _run_command((self._client_executable,) + args, self.cwd)
@classmethod
def version_gte(cls, version):
if not cls._client_version:
result = cls().command('--version')
cls._client_version = result['output'].split()[-1]
return LooseVersion(cls._client_version) >= LooseVersion(version)
def ref_is_hash(ref):
return re.match('^[0-9a-f]{40}$', ref) is not None
def _run_command(cmd, cwd=None, env=None):
result = {'cmd': ' '.join(cmd), 'cwd': cwd}
try:
proc = subprocess.Popen(cmd, cwd=cwd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, env=env)
output, _ = proc.communicate()
result['output'] = output.rstrip()
result['returncode'] = proc.returncode
except subprocess.CalledProcessError as e:
result['output'] = e.output
result['returncode'] = e.returncode
if not isinstance(result['output'], str):
result['output'] = result['output'].decode('utf-8')
return result
def _find_executable(file_name):
for path in os.getenv('PATH').split(os.path.pathsep):
file_path = os.path.join(path, file_name)
if os.path.isfile(file_path) and os.access(file_path, os.X_OK):
return file_path
return None
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