t / t4013 / diff.noellipses-diff_--no-index_--raw_--abbrev=4_dir2_diron commit fetch-pack.c: use oidset to check existence of loose object (024aa46)
   1$ git diff --no-index --raw --abbrev=4 dir2 dir
   2:000000 100644 0000 0000 A      dir/sub
   3$