Andrew's git / gitweb.git / t/t4013/diff.diff_--no-index_--raw_dir2_dir
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t / t4013 / diff.diff_--no-index_--raw_dir2_diron commit merge-recursive: switch from (oid,mode) pairs to a diff_filespec (8daec1d)
   1$ git diff --no-index --raw dir2 dir
   2:000000 100644 0000000... 0000000... A  dir/sub
   3$