t / t4013 / diff.diff-tree_-R_--stat_--compact-summary_initial_modeon commit test-lib: whitelist GIT_TR2_* in the environment (c1ee579)
   1$ git diff-tree -R --stat --compact-summary initial mode
   2 file0 (mode -x) | 0
   3 1 file changed, 0 insertions(+), 0 deletions(-)
   4$