mirror of
https://git.rtems.org/rtems-tools/
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239 lines
8.2 KiB
Python
239 lines
8.2 KiB
Python
#
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# RTEMS Tools Project (http://www.rtems.org/)
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# Copyright 2010-2016 Chris Johns (chrisj@rtems.org)
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# All rights reserved.
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#
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# This file is part of the RTEMS Tools package in 'rtems-tools'.
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# Provide some basic access to the git command.
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#
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import os
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#
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# Support to handle use in a package and as a unit test.
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# If there is a better way to let us know.
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#
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try:
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from . import error
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from . import execute
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from . import log
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from . import path
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except (ValueError, SystemError):
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import error
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import execute
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import log
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import path
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class repo:
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"""An object to manage a git repo."""
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def _git_exit_code(self, ec, cmd, output):
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if ec:
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log.notice('git: cmd: ' + ' '.join(cmd))
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log.notice('git: output: ' + output)
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raise error.general('git command failed (%s): %d' % (self.git, ec))
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def _run(self, args, check = False):
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e = execute.capture_execution()
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if path.exists(self.path):
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cwd = self.path
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else:
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cwd = None
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cmd = [self.git] + args
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log.trace('cmd: (%s) %s' % (str(cwd), ' '.join(cmd)))
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exit_code, proc, output = e.spawn(cmd, cwd = path.host(cwd))
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log.trace(output)
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if check:
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self._git_exit_code(exit_code, cmd, output)
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return exit_code, output
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def __init__(self, _path, opts = None, macros = None):
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self.path = _path
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self.opts = opts
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if macros is None and opts is not None:
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self.macros = opts.defaults
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else:
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self.macros = macros
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if self.macros is None:
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self.git = 'git'
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else:
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self.git = self.macros.expand('%{__git}')
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def git_version(self):
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ec, output = self._run(['--version'], True)
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gvs = output.split()
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if len(gvs) < 3:
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raise error.general('invalid version string from git: %s' % (output))
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vs = gvs[2].split('.')
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if len(vs) == 4:
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return (int(vs[0]), int(vs[1]), int(vs[2]), int(vs[3]))
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if len(vs) == 3:
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return (int(vs[0]), int(vs[1]), int(vs[2]))
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raise error.general('invalid version number from git: %s' % (gvs[2]))
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def clone(self, url, _path):
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ec, output = self._run(['clone', url, path.host(_path)], check = True)
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def fetch(self):
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ec, output = self._run(['fetch'], check = True)
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def merge(self):
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ec, output = self._run(['merge'], check = True)
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def pull(self):
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ec, output = self._run(['pull'], check = True)
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def reset(self, args):
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if type(args) == str:
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args = [args]
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ec, output = self._run(['reset'] + args, check = True)
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def branch(self):
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ec, output = self._run(['branch'])
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if ec == 0:
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for b in output.split('\n'):
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if b[0] == '*':
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return b[2:]
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return None
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def checkout(self, branch = 'master'):
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ec, output = self._run(['checkout', branch], check = True)
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def submodule(self, module):
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ec, output = self._run(['submodule', 'update', '--init', module], check = True)
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def clean(self, args = []):
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if type(args) == str:
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args = [args]
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ec, output = self._run(['clean'] + args, check = True)
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def status(self):
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_status = {}
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if path.exists(self.path):
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ec, output = self._run(['status'])
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if ec == 0:
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state = 'none'
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for l in output.split('\n'):
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if l.startswith('# '):
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l = l[2:]
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if l.startswith('On branch '):
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_status['branch'] = l[len('On branch '):]
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elif l.startswith('Changes to be committed:'):
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state = 'staged'
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elif l.startswith('Changes not staged for commit:'):
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state = 'unstaged'
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elif l.startswith('Untracked files:'):
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state = 'untracked'
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elif l.startswith('HEAD detached'):
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state = 'detached'
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elif state != 'none' and len(l.strip()) != 0:
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if l[0].isspace():
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l = l.strip()
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if l[0] != '(':
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if state not in _status:
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_status[state] = []
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l = l[1:]
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if ':' in l:
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l = l.split(':')[1]
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_status[state] += [l.strip()]
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return _status
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def dirty(self):
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_status = self.status()
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return not (len(_status) == 1 and 'branch' in _status)
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def valid(self):
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if path.exists(self.path):
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ec, output = self._run(['status'])
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return ec == 0
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return False
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def remotes(self):
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_remotes = {}
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ec, output = self._run(['config', '--list'])
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if ec == 0:
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for l in output.split('\n'):
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if l.startswith('remote'):
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ls = l.split('=')
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if len(ls) >= 2:
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rs = ls[0].split('.')
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if len(rs) == 3:
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r_name = rs[1]
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r_type = rs[2]
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if r_name not in _remotes:
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_remotes[r_name] = {}
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if r_type not in _remotes[r_name]:
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_remotes[r_name][r_type] = []
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_remotes[r_name][r_type] = '='.join(ls[1:])
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return _remotes
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def email(self):
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_email = None
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_name = None
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ec, output = self._run(['config', '--list'])
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if ec == 0:
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for l in output.split('\n'):
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if l.startswith('user.email'):
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ls = l.split('=')
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if len(ls) >= 2:
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_email = ls[1]
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elif l.startswith('user.name'):
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ls = l.split('=')
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if len(ls) >= 2:
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_name = ls[1]
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if _email is not None:
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if _name is not None:
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_email = '%s <%s>' % (_name, _email)
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return _email
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return None
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def head(self):
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hash = ''
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ec, output = self._run(['log', '-n', '1'])
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if ec == 0:
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l1 = output.split('\n')[0]
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if l1.startswith('commit '):
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hash = l1[len('commit '):]
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return hash
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if __name__ == '__main__':
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import sys
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import options
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long_opts = {
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# key macro handler param defs init
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}
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opts = options.command_line(base_path = '.',
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argv = sys.argv,
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long_opts = long_opts)
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options.load(opts)
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g = repo('.', opts)
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print('version:', g.git_version())
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print('valid:', g.valid())
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print('status:', g.status())
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print('dirty:', g.dirty())
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print('remotes:', g.remotes())
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print('email:', g.email())
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print('head:', g.head())
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