Andrew's git / gitweb.git / t/t4013/diff.diff-tree_-r_--abbrev_initial
?
t / t4013 / diff.diff-tree_-r_--abbrev_initialon commit git-diff A...B to (usually) mean "git-diff `git-merge-base A B` B" (9919f41)
   1$ git diff-tree -r --abbrev initial
   2$