t / t4013 / diff.diff-tree_--cc_--shortstat_masteron commit diff-delta: set size out-parameter to 0 for NULL delta (e4b3690)
   1$ git diff-tree --cc --shortstat master
   259d314ad6f356dd08601a4cd5e530381da3e3c64
   3 2 files changed, 5 insertions(+)
   4$