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Re: [PATCH 0/4]

From
Junio C Hamano <gitster@pobox.com>
Date
Dec 8, 2018, 05:57 UTC
Message-ID
<xmqqefas8ss4.fsf@gitster-ct.c.googlers.com>
In-Reply-To
<20181207235425.128568-1-sbeller@google.com>
Stefan Beller <sbeller@google.com> writes:
Show 15 quoted lines
> A couple days before the 2.19 release we had a bug report about
> broken submodules[1] and reverted[2] the commits leading up to them.
>
> The behavior of said bug fixed itself by taking a different approach[3],
> specifically by a weaker enforcement of having `core.worktree` set in a
> submodule [4].
>
> The revert [2] was overly broad as we neared the release, such that we wanted
> to rather keep the known buggy behavior of always having `core.worktree` set,
> rather than figuring out how to fix the new bug of having 'git submodule update'
> not working in old style repository setups.
>
> This series re-introduces those reverted patches, with no changes in code,
> but with drastically changed commit messages, as those focus on why it is safe
> to re-introduce them instead of explaining the desire for the change.

The above was a bit too cryptic for me to grok, so let me try rephrasing to see if I got them all correctly.

 - three-patch series leading to 984cd77ddb were meant to fix some
   bug, but the series itself was buggy and caused problems; we got
   rid of them
 - the problem 984cd77ddb wanted to fix was fixed differently
   without reintroducing the problem three-patch series introduced.
   That fix is already with us since 4d6d6ef1fc.
 - now these three changes that were problematic in the past is
   resent without any update (other than that it has one preparatory
   patch to add tests).

Is that what is going on? Obviously I am not getting "the other" benefit we wanted to gain out of these three patches (because the above description fails to explain what that is), other than to fix the issue that was fixed by 4d6d6ef1fc.

Sorry for being puzzled...
Show 18 quoted lines
> [1] https://public-inbox.org/git/2659750.rG6xLiZASK@twilight
> [2] f178c13fda (Revert "Merge branch 'sb/submodule-core-worktree'", 2018-09-07)
> [3] 4d6d6ef1fc (Merge branch 'sb/submodule-update-in-c', 2018-09-17)
> [4] 74d4731da1 (submodule--helper: replace connect-gitdir-workingtree by ensure-core-worktree, 2018-08-13)
>
> Stefan Beller (4):
>   submodule update: add regression test with old style setups
>   submodule: unset core.worktree if no working tree is present
>   submodule--helper: fix BUG message in ensure_core_worktree
>   submodule deinit: unset core.worktree
>
>  builtin/submodule--helper.c        |  4 +++-
>  submodule.c                        | 14 ++++++++++++++
>  submodule.h                        |  2 ++
>  t/lib-submodule-update.sh          |  5 +++--
>  t/t7400-submodule-basic.sh         |  5 +++++
>  t/t7412-submodule-absorbgitdirs.sh |  7 ++++++-
>  6 files changed, 33 insertions(+), 4 deletions(-)
Previous: Junio C HamanoNext: Stefan Beller
Message 12 of 21 in “[PATCH 0/4]”
  1. 0/4 Stefan Beller, Dec 7, 2018
  2. 1/4 submodule update: add regression test with old style setupsStefan Beller, Dec 7, 2018
  3. Junio C HamanoDec 9, 2018
  4. 2/4 submodule: unset core.worktree if no working tree is presentStefan Beller, Dec 7, 2018
  5. Junio C HamanoDec 8, 2018
  6. 3/4 submodule--helper: fix BUG message in ensure_core_worktreeStefan Beller, Dec 7, 2018
  7. Junio C HamanoDec 8, 2018
  8. Stefan BellerDec 12, 2018
  9. Junio C HamanoDec 13, 2018
  10. 4/4 submodule deinit: unset core.worktreeStefan Beller, Dec 7, 2018
  11. Junio C HamanoDec 8, 2018
  12. Junio C HamanoDec 8, 2018
  13. Stefan BellerDec 12, 2018
  14. Junio C HamanoDec 13, 2018
  15. 0/4 submodules: unset core.worktree when no working tree presentStefan Beller, Dec 14, 2018
  16. 1/4 submodule update: add regression test with old style setupsStefan Beller, Dec 14, 2018
  17. Junio C HamanoDec 26, 2018
  18. 2/4 submodule: unset core.worktree if no working tree is presentStefan Beller, Dec 14, 2018
  19. Junio C HamanoDec 26, 2018
  20. 4/4 submodule deinit: unset core.worktreeStefan Beller, Dec 14, 2018
  21. 3/4 submodule--helper: fix BUG message in ensure_core_worktreeStefan Beller, Dec 14, 2018

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