[PATCH v5 0/5] rebase: teach rebase --keep-base

Thanks for the example, Ævar, it clarified a lot. I think that _now_ we're on the same page. ;)

I made can_fast_forward detect this case and now, it should behave as expected. The change can be seen in 4/5. Hopefully this saves you some work later.

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This patchset now depends "[PATCH 1/8] tests (rebase): spell out the `--keep-empty` option" which is the first patch of Johannes's "Do not use abbreviated options in tests" patchset[1]. (Thanks for catching that, Johannes!)

Changes since v1:

* Squashed old set into one patch
* Fixed indentation style and dangling else
* Added more documentation after discussion with Ævar

Changes since v2:

* Add testing for rebase --fork-point behaviour
* Add testing for rebase fast-forward behaviour
* Make rebase --onto fast-forward in more cases
* Update documentation to include use-case

Changes since v3:

* Fix tests failing on bash 4.2
* Fix typo in t3431 comment

Changes since v4:

* Make rebase --fork-point fast-forward in more cases

[1]: https://public-inbox.org/git/a1b4b74b9167e279dae4cd8c58fb28d8a714a66a.1553537656.git.gitgitgadget@gmail.com/

Denton Liu (5):
  t3431: add rebase --fork-point tests
  t3432: test rebase fast-forward behavior
  rebase: fast-forward --onto in more cases
  rebase: fast-forward --fork-point in more cases
  rebase: teach rebase --keep-base

 Documentation/git-rebase.txt     | 30 ++++++++++--
 builtin/rebase.c                 | 77 +++++++++++++++++++++--------
 t/t3400-rebase.sh                |  2 +-
 t/t3404-rebase-interactive.sh    |  2 +-
 t/t3416-rebase-onto-threedots.sh | 57 ++++++++++++++++++++++
 t/t3431-rebase-fork-point.sh     | 57 ++++++++++++++++++++++
 t/t3432-rebase-fast-forward.sh   | 83 ++++++++++++++++++++++++++++++++
 7 files changed, 284 insertions(+), 24 deletions(-)
 create mode 100755 t/t3431-rebase-fork-point.sh
 create mode 100755 t/t3432-rebase-fast-forward.sh