t / t7505 / expected-rebase-pon commit Sync with Git 2.16.4 (68f95b2)
   1message [edit rebase-13]
   2message (no editor) [edit rebase-13]
   3message [squash rebase-12]
   4message (no editor) [squash rebase-11]
   5default [edit rebase-10]
   6message (no editor) [edit rebase-10]
   7message [fixup rebase-9]
   8message (no editor) [fixup rebase-8]
   9message (no editor) [squash rebase-7]
  10HEAD [reword rebase-6]
  11message (no editor) [reword rebase-6]
  12message [squash rebase-5]
  13message (no editor) [fixup rebase-4]
  14message (no editor) [pick rebase-3]
  15message (no editor) [fixup rebase-2]
  16message (no editor) [fixup rebase-1]
  17merge [pick rebase-b]
  18message [pick rebase-a]