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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: git@vger.kernel.org
Cc: "Wink Saville" <wink@saville.com>,
	"Jacob Keller" <jacob.keller@gmail.com>,
	"Bryan Turner" <bturner@atlassian.com>,
	"Junio C Hamano" <gitster@pobox.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Jeff King" <peff@peff.net>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: [PATCH 0/8] "git fetch" should not clobber existing tags without --force
Date: Sun, 29 Apr 2018 20:20:52 +0000	[thread overview]
Message-ID: <20180429202100.32353-1-avarab@gmail.com> (raw)
In-Reply-To: <CACBZZX7HFnEMD8PKWj0c7VWqv=yeYCXYJjy-5YPZnF_pJAy0jw@mail.gmail.com>

On Fri, Apr 27 2018, Ævar Arnfjörð Bjarmason wrote:

> On Tue, Apr 24, 2018 at 9:57 PM, Wink Saville <wink@saville.com> wrote:
>> If have a repository with a tag "v1.0.0" and I add a remote repository
>> which also has a tag "v1.0.0" tag is overwritten.
>
> I feel like this thread has gotten somewhat side-tracked by the valid
> discussion about whether we should have remote tracking tags, but the
> much easier thing to fix is that the "+" prefix for refs/tags/* means
> nothing.
> [...]

This patch series implements that simpler way of digging ourselves out
of the immediate hole that we're clobbering tags by default without
the --force option.

I'm not 100% happy about this, but I think sans stuff that comes up in
review it's in principle ready for inclusion, stuff I wished I'd done
but have left for later:

 * Write a gitrefspec(5) man page, now we have how they work, and how
   they work on push/pull scattered over two docs, which before this
   are in conflict with one another.

 * Have much more exhaustive tests, I started trying to integrate this
   with the much more exhaustive tag pruning tests in my
   https://github.com/avar/git/tree/refspec-support-+-in-tags but gave
   up because the various interaction with those tests is messy,
   e.g. if we fail a tag update we don't prune as the existing tests
   assert, because the whole ref transaction fails.

 * 05/08 notes how the semantics of whether something needs a --force
   are really confusing because the rules are different depending on
   the ref namespace you're pushing into. We should probably build on
   top of this and e.g. refuse to clobber tags outside of refs/tags/*.

 * Should we do better to mitigate this breaking stuff for existing
   users who really are expecting their tags to be clobbered? Maybe by
   adding a --force-tags option (which wouldn't clobber branches), or
   have some config option either enable the old behavior, or make
   this opt-in?

Ævar Arnfjörð Bjarmason (8):
  push tests: remove redundant 'git push' invocation
  push tests: fix logic error in "push" test assertion
  push tests: add more testing for forced tag pushing
  push tests: assert re-pushing annotated tags
  push doc: correct lies about how push refspecs work
  fetch tests: correct a comment "remove it" -> "remove them"
  fetch tests: add a test clobbering tag behavior
  fetch: stop clobbering existing tags without --force

 Documentation/fetch-options.txt    | 15 ++++--
 Documentation/git-push.txt         | 30 ++++++++---
 Documentation/gitrevisions.txt     |  7 +--
 Documentation/pull-fetch-param.txt | 22 +++++---
 builtin/fetch.c                    | 20 +++++---
 t/t5510-fetch.sh                   |  2 +-
 t/t5516-fetch-push.sh              | 82 ++++++++++++++++++++++--------
 t/t5612-clone-refspec.sh           |  4 +-
 8 files changed, 130 insertions(+), 52 deletions(-)

-- 
2.17.0.290.gded63e768a


  reply	other threads:[~2018-04-29 20:21 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-24 19:57 Fetching tags overwrites existing tags Wink Saville
2018-04-24 23:48 ` Jacob Keller
2018-04-25  0:52 ` Junio C Hamano
2018-04-25  1:29   ` Jacob Keller
2018-04-25  1:31   ` Wink Saville
2018-04-26 19:39     ` Wink Saville
2018-04-26 22:50       ` Junio C Hamano
2018-04-26 23:24         ` Junio C Hamano
2018-04-27 18:50           ` [RFC PATCH v2] Teach remote add the --prefix-tags option Wink Saville
2018-04-27 19:08           ` Fetching tags overwrites existing tags Wink Saville
2018-04-27 19:13             ` Bryan Turner
2018-05-04 15:56               ` Jacob Keller
2018-04-28  7:26             ` Jacob Keller
2018-04-28 18:27           ` [RFC PATCH v3] Teach remote add the --remote-tags option Wink Saville
2018-04-28 19:00             ` Wink Saville
2018-04-28 21:27               ` Wink Saville
2018-05-01 16:59           ` [RFC PATCH v4 0/3] Optional sub hierarchy for remote tags Wink Saville
2018-05-01 19:24             ` Ævar Arnfjörð Bjarmason
2018-05-01 19:45               ` Jacob Keller
2018-05-01 20:34                 ` Wink Saville
2018-05-01 23:24                 ` Junio C Hamano
2018-05-02  0:08                   ` Jacob Keller
2018-05-01 23:28               ` Junio C Hamano
2018-05-01 16:59           ` [RFC PATCH v4 1/3] Teach remote add the --remote-tags option Wink Saville
2018-05-01 18:50             ` Ævar Arnfjörð Bjarmason
2018-05-08 10:26             ` Kaartic Sivaraam
2018-05-01 16:59           ` [RFC PATCH v4 2/3] Teach tag to list remote-tags Wink Saville
2018-05-01 16:59           ` [RFC PATCH v4 3/3] Test git remote add -f --remote-tags Wink Saville
2018-04-27 19:46 ` Fetching tags overwrites existing tags Ævar Arnfjörð Bjarmason
2018-04-29 20:20   ` Ævar Arnfjörð Bjarmason [this message]
2018-07-31 13:07     ` [PATCH v2 00/10] "git fetch" should not clobber existing tags without --force Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 0/7] Prep for " Ævar Arnfjörð Bjarmason
2018-08-13 20:29         ` Junio C Hamano
2018-08-13 20:37           ` Ævar Arnfjörð Bjarmason
2018-08-30 20:12         ` [PATCH v4 0/6] " Ævar Arnfjörð Bjarmason
2018-08-31 20:09           ` [PATCH v5 0/9] git " Ævar Arnfjörð Bjarmason
2018-08-31 20:09           ` [PATCH v5 1/9] fetch: change "branch" to "reference" in --force -h output Ævar Arnfjörð Bjarmason
2018-08-31 20:09           ` [PATCH v5 2/9] push tests: make use of unused $1 in test description Ævar Arnfjörð Bjarmason
2018-08-31 21:07             ` Junio C Hamano
2018-08-31 22:02               ` Ævar Arnfjörð Bjarmason
2018-08-31 20:09           ` [PATCH v5 3/9] push tests: use spaces in interpolated string Ævar Arnfjörð Bjarmason
2018-08-31 20:09           ` [PATCH v5 4/9] fetch tests: add a test for clobbering tag behavior Ævar Arnfjörð Bjarmason
2018-08-31 20:10           ` [PATCH v5 5/9] push doc: remove confusing mention of remote merger Ævar Arnfjörð Bjarmason
2018-08-31 20:10           ` [PATCH v5 6/9] push doc: move mention of "tag <tag>" later in the prose Ævar Arnfjörð Bjarmason
2018-08-31 20:10           ` [PATCH v5 7/9] push doc: correct lies about how push refspecs work Ævar Arnfjörð Bjarmason
2018-08-31 20:10           ` [PATCH v5 8/9] fetch: document local ref updates with/without --force Ævar Arnfjörð Bjarmason
2018-08-31 20:10           ` [PATCH v5 9/9] fetch: stop clobbering existing tags without --force Ævar Arnfjörð Bjarmason
2018-08-30 20:12         ` [PATCH v4 1/6] fetch: change "branch" to "reference" in --force -h output Ævar Arnfjörð Bjarmason
2018-08-30 20:12         ` [PATCH v4 2/6] push tests: correct quoting in interpolated string Ævar Arnfjörð Bjarmason
2018-08-30 21:20           ` Junio C Hamano
2018-08-30 20:12         ` [PATCH v4 3/6] fetch tests: add a test for clobbering tag behavior Ævar Arnfjörð Bjarmason
2018-08-30 21:22           ` Junio C Hamano
2018-08-30 20:12         ` [PATCH v4 4/6] push doc: correct lies about how push refspecs work Ævar Arnfjörð Bjarmason
2018-08-30 21:31           ` Junio C Hamano
2018-08-30 22:34           ` Ævar Arnfjörð Bjarmason
2018-08-31 16:24             ` Junio C Hamano
2018-08-31 16:35               ` Ævar Arnfjörð Bjarmason
2018-08-30 20:12         ` [PATCH v4 5/6] fetch: document local ref updates with/without --force Ævar Arnfjörð Bjarmason
2018-08-30 20:12         ` [PATCH v4 6/6] fetch: stop clobbering existing tags without --force Ævar Arnfjörð Bjarmason
2018-08-30 21:43           ` Junio C Hamano
2018-08-13 19:22       ` [PATCH v3 1/7] fetch tests: change "Tag" test tag to "testTag" Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 2/7] push tests: remove redundant 'git push' invocation Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 3/7] push tests: fix logic error in "push" test assertion Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 4/7] push tests: add more testing for forced tag pushing Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 5/7] push tests: assert re-pushing annotated tags Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 6/7] fetch tests: correct a comment "remove it" -> "remove them" Ævar Arnfjörð Bjarmason
2018-08-13 19:22       ` [PATCH v3 7/7] pull doc: fix a long-standing grammar error Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 01/10] fetch tests: change "Tag" test tag to "testTag" Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 02/10] push tests: remove redundant 'git push' invocation Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 03/10] push tests: fix logic error in "push" test assertion Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 04/10] push tests: add more testing for forced tag pushing Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 05/10] push tests: assert re-pushing annotated tags Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 06/10] push doc: correct lies about how push refspecs work Ævar Arnfjörð Bjarmason
2018-07-31 17:40       ` Junio C Hamano
2018-08-30 14:52         ` Ævar Arnfjörð Bjarmason
2018-08-30 15:23           ` Junio C Hamano
2018-08-30 16:59             ` Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 07/10] fetch tests: correct a comment "remove it" -> "remove them" Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 08/10] fetch tests: add a test clobbering tag behavior Ævar Arnfjörð Bjarmason
2018-07-31 17:48       ` Junio C Hamano
2018-07-31 13:07     ` [PATCH v2 09/10] pull doc: fix a long-standing grammar error Ævar Arnfjörð Bjarmason
2018-07-31 13:07     ` [PATCH v2 10/10] fetch: stop clobbering existing tags without --force Ævar Arnfjörð Bjarmason
2018-07-31 18:03       ` Junio C Hamano
2018-04-29 20:20   ` [PATCH 1/8] push tests: remove redundant 'git push' invocation Ævar Arnfjörð Bjarmason
2018-04-29 20:20   ` [PATCH 2/8] push tests: fix logic error in "push" test assertion Ævar Arnfjörð Bjarmason
2018-04-29 20:20   ` [PATCH 3/8] push tests: add more testing for forced tag pushing Ævar Arnfjörð Bjarmason
2018-05-07 10:09     ` Kaartic Sivaraam
2018-05-08  2:35     ` Junio C Hamano
2018-05-08  3:19       ` Junio C Hamano
2018-05-08  9:52         ` Kaartic Sivaraam
2018-05-08 10:19     ` Kaartic Sivaraam
2018-04-29 20:20   ` [PATCH 4/8] push tests: assert re-pushing annotated tags Ævar Arnfjörð Bjarmason
2018-05-08  4:30     ` Junio C Hamano
2018-05-08 14:05     ` SZEDER Gábor
2018-04-29 20:20   ` [PATCH 5/8] push doc: correct lies about how push refspecs work Ævar Arnfjörð Bjarmason
2018-05-08  5:14     ` Junio C Hamano
2018-04-29 20:20   ` [PATCH 6/8] fetch tests: correct a comment "remove it" -> "remove them" Ævar Arnfjörð Bjarmason
2018-04-29 20:20   ` [PATCH 7/8] fetch tests: add a test clobbering tag behavior Ævar Arnfjörð Bjarmason
2018-04-29 20:21   ` [PATCH 8/8] fetch: stop clobbering existing tags without --force Ævar Arnfjörð Bjarmason
2018-05-08  5:37     ` Junio C Hamano
2018-05-01 17:11 ` Fetching tags overwrites existing tags Wink Saville

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