Andrew's git / gitweb.git / t/t4013/diff.diff-tree_-r_--abbrev_initial
?
t / t4013 / diff.diff-tree_-r_--abbrev_initialon commit "rebase --onto A...B" replays history on the merge base between A and B (61dfa1b)
   1$ git diff-tree -r --abbrev initial
   2$