t / t4013 / diff.diff-tree_-R_--stat_--compact-summary_initial_modeon commit merge-recursive: switch from (oid,mode) pairs to a diff_filespec (8daec1d)
   1$ git diff-tree -R --stat --compact-summary initial mode
   2 file0 (mode -x) | 0
   3 1 file changed, 0 insertions(+), 0 deletions(-)
   4$