ref: 5a1eaf99eae75a325781049b09c8dc0e970ffd2d
dir: /sys/src/cmd/hg/hg.proto/
rc - sys sys bin - sys sys hg - sys sys sys - sys sys man - sys sys 1 - sys sys hg - sys sys 8 - sys sys hgignore - sys sys hgrc - sys sys src - sys sys cmd - sys sys hg - sys sys + - sys sys