Fetching projects: 100% (375/375), done.
Syncing work tree:  52% (195/375)  fatal: This operation must be run in a work tree
Syncing work tree:  84% (315/375)  fatal: This operation must be run in a work tree
Syncing work tree:  85% (319/375)  fatal: This operation must be run in a work tree
Traceback (most recent call last):
  File "/home/matt/drive3/omni/.repo/repo/main.py", line 418, in <module>
    _Main(sys.argv[1:])
  File "/home/matt/drive3/omni/.repo/repo/main.py", line 394, in _Main
    result = repo._Run(argv) or 0
  File "/home/matt/drive3/omni/.repo/repo/main.py", line 142, in _Run
    result = cmd.Execute(copts, cargs)
  File "/home/matt/drive3/omni/.repo/repo/subcmds/sync.py", line 657, in Execute
    project.Sync_LocalHalf(syncbuf)
  File "/home/matt/drive3/omni/.repo/repo/project.py", line 1080, in Sync_LocalHalf
    self._InitWorkTree()
  File "/home/matt/drive3/omni/.repo/repo/project.py", line 2059, in _InitWorkTree
    raise GitError("cannot initialize work tree")
error.GitError: cannot initialize work tree
matt@mattman:~/drive3/omni$