t / t4013 / diff.diff-tree_--cc_--stat_masteron commit tests: Set EDITOR=: and VISUAL=: globally (8ff99e7)
   1$ git diff-tree --cc --stat master
   2176b998f5d647cbd77a9d8acf4531e930754d16d
   3 dir/sub |    2 ++
   4 file0   |    3 +++
   5 2 files changed, 5 insertions(+), 0 deletions(-)
   6$