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From: Junio C Hamano <gitster@pobox.com>
To: Srinidhi Kaushik <shrinidhi.kaushik@gmail.com>
Cc: "SZEDER Gábor" <szeder.dev@gmail.com>,
	git@vger.kernel.org, "Taylor Blau" <me@ttaylorr.com>,
	"Garima Singh" <garima.singh@microsoft.com>,
	"Derrick Stolee" <dstolee@microsoft.com>
Subject: Re: [PATCH v9 0/3] push: add "--[no-]force-if-includes"
Date: Thu, 01 Oct 2020 11:32:21 -0700	[thread overview]
Message-ID: <xmqqtuvdbxvu.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <20201001175443.GA28444@mail.clickyotomy.dev> (Srinidhi Kaushik's message of "Thu, 1 Oct 2020 23:24:43 +0530")

Srinidhi Kaushik <shrinidhi.kaushik@gmail.com> writes:

> Ah, this will keep a record of the behavior in the tests; nice,
> will update in the next set.

I actually think this kind of "sweep the breakage under the rug"
belongs not in the code that uses the (suspected broken) API but
in the code that is suspected to be broken, i.e. somewhere in
commit.c that is involved in in_merge_bases_many() codepath.

So if you are going to reroll, I would rather see you drop this part
entirely, and add a similar "this code is broken so we won't run in
the real user's environment" to protect all code that call
in_merge_bases_many() from the breakage, not just your new one.

> One of the failing tests in t5533 was modified (for debugging), and
> the following shows the difference in behavior of
> "repo_in_merge_bases_many()". The test checks if the remote tip is
> reachable from the reflog entries of the local branch after
> "git pull --rebase" is run.
> ...
> It looks like G (b995a30) is reachable from J (7c16010), but
> "repo_in_merge_bases_many()" disagrees when "GIT_TEST_COMMIT_GRAPH"
> is enabled. I hope this information helps a little to understand
> why this happens and whether it is a bug or not.

Wonderful.  With this good start, perhaps we may not have to discuss
disabling the commit-graph code in your code or in commit.c for all
callers ;-)


  reply	other threads:[~2020-10-01 18:32 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04 18:51 [PATCH] push: make `--force-with-lease[=<ref>]` safer Srinidhi Kaushik
2020-09-07 15:23 ` Phillip Wood
2020-09-08 15:48   ` Srinidhi Kaushik
2020-09-07 16:14 ` Junio C Hamano
2020-09-08 16:00   ` Srinidhi Kaushik
2020-09-08 21:00     ` Junio C Hamano
2020-09-07 19:45 ` Johannes Schindelin
2020-09-08 15:58   ` Junio C Hamano
2020-09-09  3:40     ` Johannes Schindelin
2020-09-08 16:59   ` Srinidhi Kaushik
2020-09-16 11:55     ` Johannes Schindelin
2020-09-08 19:34   ` Junio C Hamano
2020-09-09  3:44     ` Johannes Schindelin
2020-09-10 10:22       ` Johannes Schindelin
2020-09-10 14:44         ` Srinidhi Kaushik
2020-09-11 22:16           ` Johannes Schindelin
2020-09-14 11:06             ` Srinidhi Kaushik
2020-09-14 20:08             ` Junio C Hamano
2020-09-16  5:31               ` Srinidhi Kaushik
2020-09-16 10:20                 ` Johannes Schindelin
2020-09-19 17:48                   ` Junio C Hamano
2020-09-10 14:46         ` Junio C Hamano
2020-09-11 22:17           ` Johannes Schindelin
2020-09-14 20:07             ` Junio C Hamano
2020-09-12 15:04 ` [PATCH v2 0/2] push: make "--force-with-lease" safer Srinidhi Kaushik
2020-09-12 15:04   ` [PATCH v2 1/2] push: add "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-12 18:20     ` Junio C Hamano
2020-09-12 21:25       ` Srinidhi Kaushik
2020-09-12 15:04   ` [PATCH v2 2/2] push: enable "forceIfIncludesWithLease" by default Srinidhi Kaushik
2020-09-12 18:22     ` Junio C Hamano
2020-09-12 18:15   ` [PATCH v2 0/2] push: make "--force-with-lease" safer Junio C Hamano
2020-09-12 21:03     ` Srinidhi Kaushik
2020-09-13 14:54   ` [PATCH v3 0/7] push: add "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-13 14:54     ` [PATCH v3 1/7] remote: add reflog check for "force-if-includes" Srinidhi Kaushik
2020-09-14 20:17       ` Junio C Hamano
2020-09-16 10:51         ` Srinidhi Kaushik
2020-09-14 20:31       ` Junio C Hamano
2020-09-14 21:13       ` Junio C Hamano
2020-09-16 12:35       ` Johannes Schindelin
2020-09-19 17:01         ` Srinidhi Kaushik
2020-09-13 14:54     ` [PATCH v3 2/7] transport: add flag for "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-13 14:54     ` [PATCH v3 3/7] send-pack: check ref status for "force-if-includes" Srinidhi Kaushik
2020-09-13 14:54     ` [PATCH v3 4/7] transport-helper: update " Srinidhi Kaushik
2020-09-13 14:54     ` [PATCH v3 5/7] builtin/push: add option "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-16 12:36       ` Johannes Schindelin
2020-09-13 14:54     ` [PATCH v3 6/7] doc: add reference for "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-14 21:01       ` Junio C Hamano
2020-09-16  5:35         ` Srinidhi Kaushik
2020-09-13 14:54     ` [PATCH v3 7/7] t: add tests for "force-if-includes" Srinidhi Kaushik
2020-09-16 12:47     ` [PATCH v3 0/7] push: add "--[no-]force-if-includes" Johannes Schindelin
2020-09-19 17:03   ` [PATCH v4 0/3] " Srinidhi Kaushik
2020-09-19 17:03     ` [PATCH v4 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-09-19 20:03       ` Junio C Hamano
2020-09-21  8:42         ` Srinidhi Kaushik
2020-09-21 18:48           ` Junio C Hamano
2020-09-23 10:22             ` Srinidhi Kaushik
2020-09-23 16:47               ` Junio C Hamano
2020-09-21 13:19         ` Phillip Wood
2020-09-21 16:12           ` Junio C Hamano
2020-09-21 18:11             ` Junio C Hamano
2020-09-23 10:27           ` Srinidhi Kaushik
2020-09-19 17:03     ` [PATCH v4 2/3] push: parse and set flag " Srinidhi Kaushik
2020-09-19 20:26       ` Junio C Hamano
2020-09-19 17:03     ` [PATCH v4 3/3] t, doc: update tests, reference " Srinidhi Kaushik
2020-09-19 20:42       ` Junio C Hamano
2020-09-23  7:30     ` [PATCH v5 0/3] push: add "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-23  7:30       ` [PATCH v5 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-09-23 10:18         ` Phillip Wood
2020-09-23 11:26           ` Srinidhi Kaushik
2020-09-23 16:24           ` Junio C Hamano
2020-09-23 16:29         ` Junio C Hamano
2020-09-23  7:30       ` [PATCH v5 2/3] push: parse and set flag " Srinidhi Kaushik
2020-09-23  7:30       ` [PATCH v5 3/3] t, doc: update tests, reference " Srinidhi Kaushik
2020-09-23 10:24         ` Phillip Wood
2020-09-26 10:13       ` [PATCH v6 0/3] push: add "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-26 10:13         ` [PATCH v6 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-09-26 10:13         ` [PATCH v6 2/3] push: parse and set flag " Srinidhi Kaushik
2020-09-26 10:13         ` [PATCH v6 3/3] t, doc: update tests, reference " Srinidhi Kaushik
2020-09-26 10:21         ` [PATCH v6 0/3] push: add "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-26 11:46         ` [PATCH v7 " Srinidhi Kaushik
2020-09-26 11:46           ` [PATCH v7 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-09-26 23:42             ` Junio C Hamano
2020-09-27 12:27               ` Srinidhi Kaushik
2020-09-26 11:46           ` [PATCH v7 2/3] push: parse and set flag " Srinidhi Kaushik
2020-09-26 11:46           ` [PATCH v7 3/3] t, doc: update tests, reference " Srinidhi Kaushik
2020-09-27 14:17           ` [PATCH v8 0/3] push: add "--[no-]force-if-includes" Srinidhi Kaushik
2020-09-27 14:17             ` [PATCH v8 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-09-27 14:17             ` [PATCH v8 2/3] push: parse and set flag " Srinidhi Kaushik
2020-09-27 14:17             ` [PATCH v8 3/3] t, doc: update tests, reference " Srinidhi Kaushik
2020-09-30 12:54               ` Philip Oakley
2020-09-30 14:27                 ` Srinidhi Kaushik
2020-09-28 17:31             ` [PATCH v8 0/3] push: add "--[no-]force-if-includes" Junio C Hamano
2020-09-28 17:46               ` SZEDER Gábor
2020-09-28 19:34                 ` Srinidhi Kaushik
2020-09-28 19:51                   ` Junio C Hamano
2020-09-28 20:00                 ` Junio C Hamano
2020-10-01  8:21             ` [PATCH v9 " Srinidhi Kaushik
2020-10-01  8:21               ` [PATCH v9 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-10-02 13:52                 ` Johannes Schindelin
2020-10-02 14:50                   ` Johannes Schindelin
2020-10-02 16:22                     ` Junio C Hamano
2020-10-02 15:07                   ` Srinidhi Kaushik
2020-10-02 16:41                     ` Junio C Hamano
2020-10-02 19:39                       ` Srinidhi Kaushik
2020-10-02 20:14                         ` Junio C Hamano
2020-10-02 20:58                           ` Srinidhi Kaushik
2020-10-02 21:36                             ` Junio C Hamano
2020-10-02 16:26                   ` Junio C Hamano
2020-10-01  8:21               ` [PATCH v9 2/3] push: parse and set flag " Srinidhi Kaushik
2020-10-01  8:21               ` [PATCH v9 3/3] t, doc: update tests, reference " Srinidhi Kaushik
2020-10-01 15:46               ` [PATCH v9 0/3] push: add "--[no-]force-if-includes" Junio C Hamano
2020-10-01 17:12                 ` Junio C Hamano
2020-10-01 17:54                   ` Srinidhi Kaushik
2020-10-01 18:32                     ` Junio C Hamano [this message]
2020-10-02 16:50                     ` Junio C Hamano
2020-10-02 19:42                       ` Srinidhi Kaushik
2020-10-03 12:10               ` [PATCH v10 " Srinidhi Kaushik
2020-10-03 12:10                 ` [PATCH v10 1/3] push: add reflog check for "--force-if-includes" Srinidhi Kaushik
2020-10-03 12:10                 ` [PATCH v10 2/3] push: parse and set flag " Srinidhi Kaushik
2020-10-03 12:10                 ` [PATCH v10 3/3] t, doc: update tests, reference " Srinidhi Kaushik

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