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Re: [PATCH 2/9] t7601: add tests of interactions with multiple merge heads and config

From
Elijah Newren <newren@gmail.com>
Date
Jul 21, 2021, 00:45 UTC
Message-ID
<CABPp-BFk--NUdSy2OpF1XfJhkrWu_ucFSxZxnu7M5gy1HHdwSg@mail.gmail.com>
In-Reply-To
<xmqq4kcoh97y.fsf@gitster.g>
On Tue, Jul 20, 2021 at 4:11 PM Junio C Hamano <gitster@pobox.com> wrote:
Show 25 quoted lines
>
> "Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
> > +test_expect_failure 'Multiple heads does not warn about fast forwarding' '
> > +     git reset --hard c1 &&
> > +     git pull . c2 c3 2>err &&
> > +     test_i18ngrep ! "Pulling without specifying how to reconcile" err
> > +'
>
> This does not look like "warning about fast-forwarding".
>
> But more importantly, are we sure we want to expect this outcome?
>
> We are at c1 and try to integrate with c2 and c3 at the same time,
> neither of which is a descendant of c1.
>
> We know that the only possible action is to create an octopus in
> this case, and that it is pretty much fundamental (i.e. it is not
> like "rebase" with further development will be able to handle this
> case).  I however do not know if it is also obvious to total newbies
> who haven't even chosen between merge and rebase.  I can see them
> complaining "why didn't I get asked to choose between rebase and
> merge" if we went ahead and created an octopus merge, especially the
> ones who would choose pull.rebase=yes once they learned Git a bit
> more.

That's a fair point; I'll modify the test accordingly (and update the description).

Show 19 quoted lines
> > +test_expect_success 'Cannot fast-forward with multiple heads' '
> > +     git reset --hard c0 &&
> > +     test_must_fail git -c pull.ff=only pull . c1 c2 c3 2>err &&
> > +     test_i18ngrep ! "Pulling without specifying how to reconcile" err &&
> > +     test_i18ngrep "Not possible to fast-forward, aborting" err
> > +'
>
> This one looks sensible to me.
>
> > +test_expect_success 'Cannot rebase with multiple heads' '
> > +     git reset --hard c0 &&
> > +     test_must_fail git -c pull.rebase=true pull . c1 c2 c3 2>err &&
> > +     test_i18ngrep ! "Pulling without specifying how to reconcile" err &&
> > +     test_i18ngrep "Cannot rebase onto multiple branches." err
> > +'
>
> This one, too.
>
> Thanks.
Previous: Junio C HamanoNext: Elijah Newren via GitGitGadget
Message 5 of 59 in “Handle pull option precedence”
  1. 0/9 Handle pull option precedenceElijah Newren via GitGitGadget, Jul 17, 2021
  2. 2/9 t7601: add tests of interactions with multiple merge heads and configElijah Newren via GitGitGadget, Jul 17, 2021
  3. Felipe ContrerasJul 17, 2021
  4. Junio C HamanoJul 20, 2021
  5. Elijah NewrenJul 21, 2021
  6. 1/9 t7601: add relative precedence tests for merge and rebase flags/optionsElijah Newren via GitGitGadget, Jul 17, 2021
  7. Felipe ContrerasJul 17, 2021
  8. Junio C HamanoJul 19, 2021
  9. Elijah NewrenJul 20, 2021
  10. Junio C HamanoJul 20, 2021
  11. Felipe ContrerasJul 20, 2021
  12. 3/9 pull: abort if --ff-only is given and fast-forwarding is impossibleAlex Henrie via GitGitGadget, Jul 17, 2021
  13. Felipe ContrerasJul 17, 2021
  14. 4/9 pull: since --ff-only overrides, handle it firstElijah Newren via GitGitGadget, Jul 17, 2021
  15. Felipe ContrerasJul 17, 2021
  16. 5/9 pull: ensure --rebase overrides ability to ffElijah Newren via GitGitGadget, Jul 17, 2021
  17. Felipe ContrerasJul 17, 2021
  18. Junio C HamanoJul 20, 2021
  19. Elijah NewrenJul 21, 2021
  20. 6/9 pull: make --rebase and --no-rebase override pull.ff=onlyElijah Newren via GitGitGadget, Jul 17, 2021
  21. Felipe ContrerasJul 17, 2021
  22. Junio C HamanoJul 20, 2021
  23. Felipe ContrerasJul 21, 2021
  24. 8/9 pull: update docs & code for option compatibility with rebasingElijah Newren via GitGitGadget, Jul 17, 2021
  25. Junio C HamanoJul 21, 2021
  26. Elijah NewrenJul 21, 2021
  27. Junio C HamanoJul 21, 2021
  28. 7/9 pull: abort by default when fast-forwarding is not possibleElijah Newren via GitGitGadget, Jul 17, 2021
  29. Felipe ContrerasJul 17, 2021
  30. 9/9 pull: fix handling of multiple headsElijah Newren via GitGitGadget, Jul 17, 2021
  31. Felipe ContrerasJul 17, 2021
  32. 0/8 Handle pull option precedenceElijah Newren via GitGitGadget, Jul 21, 2021
  33. 3/8 pull: abort if --ff-only is given and fast-forwarding is impossibleAlex Henrie via GitGitGadget, Jul 21, 2021
  34. Felipe ContrerasJul 21, 2021
  35. 1/8 t7601: test interaction of merge/rebase/fast-forward flags and optionsElijah Newren via GitGitGadget, Jul 21, 2021
  36. Felipe ContrerasJul 21, 2021
  37. 2/8 t7601: add tests of interactions with multiple merge heads and configElijah Newren via GitGitGadget, Jul 21, 2021
  38. 5/8 pull: make --rebase and --no-rebase override pull.ff=onlyElijah Newren via GitGitGadget, Jul 21, 2021
  39. Felipe ContrerasJul 21, 2021
  40. 8/8 pull: fix handling of multiple headsElijah Newren via GitGitGadget, Jul 21, 2021
  41. 7/8 pull: update docs & code for option compatibility with rebasingElijah Newren via GitGitGadget, Jul 21, 2021
  42. 6/8 pull: abort by default when fast-forwarding is not possibleElijah Newren via GitGitGadget, Jul 21, 2021
  43. Felipe ContrerasJul 21, 2021
  44. 4/8 pull: since --ff-only overrides, handle it firstElijah Newren via GitGitGadget, Jul 21, 2021
  45. Matthias BaumgartenJul 21, 2021
  46. Felipe ContrerasJul 21, 2021
  47. Junio C HamanoJul 21, 2021
  48. Elijah NewrenJul 22, 2021
  49. Felipe ContrerasJul 21, 2021
  50. 0/8 Handle pull option precedenceElijah Newren via GitGitGadget, Jul 22, 2021
  51. 1/8 t7601: test interaction of merge/rebase/fast-forward flags and optionsElijah Newren via GitGitGadget, Jul 22, 2021
  52. 2/8 t7601: add tests of interactions with multiple merge heads and configElijah Newren via GitGitGadget, Jul 22, 2021
  53. 3/8 pull: abort if --ff-only is given and fast-forwarding is impossibleAlex Henrie via GitGitGadget, Jul 22, 2021
  54. 5/8 pull: make --rebase and --no-rebase override pull.ff=onlyElijah Newren via GitGitGadget, Jul 22, 2021
  55. 4/8 pull: since --ff-only overrides, handle it firstElijah Newren via GitGitGadget, Jul 22, 2021
  56. 6/8 pull: abort by default when fast-forwarding is not possibleElijah Newren via GitGitGadget, Jul 22, 2021
  57. 8/8 pull: fix handling of multiple headsElijah Newren via GitGitGadget, Jul 22, 2021
  58. 7/8 pull: update docs & code for option compatibility with rebasingElijah Newren via GitGitGadget, Jul 22, 2021
  59. Felipe ContrerasJul 22, 2021

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