t / t4013 / diff.diff-tree_--cc_--shortstat_masteron commit tests: always test fetch of unreachable with v0 (ab0c5f5)
   1$ git diff-tree --cc --shortstat master
   259d314ad6f356dd08601a4cd5e530381da3e3c64
   3 2 files changed, 5 insertions(+)
   4$