17:50:35 [I] Bootstrapping "simgear.plib" in "/home/pigeon/src/tailor"
17:50:35 [I] /home/pigeon/src/tailor/simgear.plib $ git rev-parse 0971ae7e51d17cc9ccf4866346d71ec09874aaca
fatal: Not a git repository: '/home/pigeon/git/simgear/'
17:50:35 [W] [Status 128]
Traceback (most recent call last):
  File "./tailor", line 35, in ?
    main()
  File "/home/pigeon/src/tailor/vcpx/tailor.py", line 339, in main
    tailorizer()
  File "/home/pigeon/src/tailor/vcpx/tailor.py", line 144, in __call__
    self.bootstrap()
  File "/home/pigeon/src/tailor/vcpx/tailor.py", line 65, in bootstrap
    dwd = self.workingDir()
  File "/home/pigeon/src/tailor/vcpx/project.py", line 204, in workingDir
    self.dwd = DualWorkingDir(self.source, self.target)
  File "/home/pigeon/src/tailor/vcpx/dualwd.py", line 68, in __init__
    self.target.prepareTargetRepository()
  File "/home/pigeon/src/tailor/vcpx/target.py", line 513, in prepareTargetRepository
    self._prepareTargetRepository()
  File "/home/pigeon/src/tailor/vcpx/repository/git/target.py", line 207, in _prepareTargetRepository
    self.repository.create()
  File "/home/pigeon/src/tailor/vcpx/repository/git/__init__.py", line 102, in create
    bp = self.runCommand(['rev-parse', self.branch_point])[0]
  File "/home/pigeon/src/tailor/vcpx/repository/git/__init__.py", line 64, in runCommand
    raise exception(str(c) + ' failed')
Exception: /home/pigeon/src/tailor/simgear.plib $ git rev-parse 0971ae7e51d17cc9ccf4866346d71ec09874aaca failed