Fetching projects: 100% (378/378), done.
Syncing work tree:  20% (76/378)  fatal: This operation must be run in a work tree
Traceback (most recent call last):
  File "/home/buildserver/LiquidSmooth/.repo/repo/main.py", line 500, in <module>
    _Main(sys.argv[1:])
  File "/home/buildserver/LiquidSmooth/.repo/repo/main.py", line 476, in _Main
    result = repo._Run(argv) or 0
  File "/home/buildserver/LiquidSmooth/.repo/repo/main.py", line 155, in _Run
    result = cmd.Execute(copts, cargs)
  File "/home/buildserver/LiquidSmooth/.repo/repo/subcmds/sync.py", line 675, in Execute
    project.Sync_LocalHalf(syncbuf)
  File "/home/buildserver/LiquidSmooth/.repo/repo/project.py", line 1170, in Sync_LocalHalf
    self._InitWorkTree()
  File "/home/buildserver/LiquidSmooth/.repo/repo/project.py", line 2230, in _InitWorkTree
    raise GitError("cannot initialize work tree")
error.GitError: cannot initialize work tree
buildserver@buildserver ~/LiquidSmooth $