t / t4013 / diff.diff-tree_-R_--stat_--compact-summary_initial_modeon commit format-patch: do not let its diff-options affect --range-diff (d8981c3)
   1$ git diff-tree -R --stat --compact-summary initial mode
   2 file0 (mode -x) | 0
   3 1 file changed, 0 insertions(+), 0 deletions(-)
   4$