1$ git diff --no-index --raw --no-abbrev dir2 dir 2:000000 100644 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 A dir/sub 3$
$ git diff --no-index --raw --no-abbrev dir2 dir
:000000 100644 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 A dir/sub
$