From: Elijah Newren <newren@gmail.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Calvin Wan <calvinwan@google.com>,
Git Mailing List <git@vger.kernel.org>,
Glen Choo <chooglen@google.com>,
Junio C Hamano <gitster@pobox.com>,
Philippe Blain <levraiphilippeblain@gmail.com>
Subject: Re: [PATCH v4] submodule merge: update conflict error message
Date: Sat, 16 Jul 2022 19:44:26 -0700 [thread overview]
Message-ID: <CABPp-BFq1wPQP4nYRfPCzHg00+nYWeN66zzQ8wxc-TXtnKTW+g@mail.gmail.com> (raw)
In-Reply-To: <7roq6p2s-17rn-477p-7n60-5p10926on785@tzk.qr>
On Fri, Jul 15, 2022 at 5:57 AM Johannes Schindelin
<Johannes.Schindelin@gmx.de> wrote:
>
> Hi Calvin,
>
> On Tue, 12 Jul 2022, Calvin Wan wrote:
>
> > diff --git a/t/t6437-submodule-merge.sh b/t/t6437-submodule-merge.sh
> > index 178413c22f..cc1a312661 100755
> > --- a/t/t6437-submodule-merge.sh
> > +++ b/t/t6437-submodule-merge.sh
> > @@ -103,8 +103,25 @@ test_expect_success 'setup for merge search' '
> > echo "file-c" > file-c &&
> > git add file-c &&
> > git commit -m "sub-c") &&
> > - git commit -a -m "c" &&
> > + git commit -a -m "c")
> > +'
> > +
> > +test_expect_success 'merging should conflict for non fast-forward' '
> > + (cd merge-search &&
> > + git checkout -b test-nonforward-a b &&
> > + if test "$GIT_TEST_MERGE_ALGORITHM" = ort
> > + then
> > + test_must_fail git merge c >actual
> > + else
> > + test_must_fail git merge c 2> actual
> > + fi &&
> > + sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> > + grep "$sub_expect" actual &&
>
> No matter how hard I tried to stare at the code, no matter whether I
> looked at `cw/submodule-merge-messages` or `seen`, I cannot see how this
> `grep` could ever succeed when `GIT_TEST_MERGE_ALGORITHM=recursive`: only
> the `ort` code has been taught this new trick.
Right, that's left over from an earlier version of the patch (which
did also modify merge-recursive).
> In fact, when I run this locally with
> `GIT_TEST_MERGE_ALGORITHM=recursive`, it not only fails (as shown here:
> https://github.com/gitgitgadget/git/runs/7349612861?check_suite_focus=true#step:4:1833
> and here:
> https://github.com/gitgitgadget/git/runs/7326925485?check_suite_focus=true#step:4:1820),
> it also leaves no error message in `actual`.
>
> So you probably want to move the `sub_expect` assignment and the `grep`
> into the `ort` clause of the conditional above.
>
> With this fixup, things seem to work over here:
>
> -- snip --
> diff --git a/t/t6437-submodule-merge.sh b/t/t6437-submodule-merge.sh
> index cc1a3126619..3892d0bf742 100755
> --- a/t/t6437-submodule-merge.sh
> +++ b/t/t6437-submodule-merge.sh
> @@ -111,12 +111,12 @@ test_expect_success 'merging should conflict for non fast-forward' '
> git checkout -b test-nonforward-a b &&
> if test "$GIT_TEST_MERGE_ALGORITHM" = ort
> then
> - test_must_fail git merge c >actual
> + test_must_fail git merge c >actual &&
> + sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> + grep "$sub_expect" actual
> else
> test_must_fail git merge c 2> actual
> fi &&
> - sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> - grep "$sub_expect" actual &&
> git reset --hard)
> '
>
> @@ -153,13 +153,13 @@ test_expect_success 'merging should conflict for non fast-forward (resolution ex
> git rev-parse sub-d > ../expect) &&
> if test "$GIT_TEST_MERGE_ALGORITHM" = ort
> then
> - test_must_fail git merge c >actual
> + test_must_fail git merge c >actual &&
> + sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> + grep "$sub_expect" actual
> else
> test_must_fail git merge c 2> actual
> fi &&
> grep $(cat expect) actual > /dev/null &&
> - sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> - grep "$sub_expect" actual &&
> git reset --hard)
> '
>
> @@ -180,14 +180,14 @@ test_expect_success 'merging should fail for ambiguous common parent' '
> ) &&
> if test "$GIT_TEST_MERGE_ALGORITHM" = ort
> then
> - test_must_fail git merge c >actual
> + test_must_fail git merge c >actual &&
> + sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> + grep "$sub_expect" actual
> else
> test_must_fail git merge c 2> actual
> fi &&
> grep $(cat expect1) actual > /dev/null &&
> grep $(cat expect2) actual > /dev/null &&
> - sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" &&
> - grep "$sub_expect" actual &&
> git reset --hard)
> '
>
> @@ -227,8 +227,11 @@ test_expect_success 'merging should fail for changes that are backwards' '
>
> git checkout -b test-backward e &&
> test_must_fail git merge f >actual &&
> - sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-d)" &&
> - grep "$sub_expect" actual)
> + if test "$GIT_TEST_MERGE_ALGORITHM" = ort
> + then
> + sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-d)" &&
> + grep "$sub_expect" actual
> + fi)
> '
>
> -- snap --
Yeah, this looks good, thanks.
next prev parent reply other threads:[~2022-07-17 2:44 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-06 23:54 [PATCH] submodule merge: update conflict error message Calvin Wan
2022-06-07 0:48 ` Junio C Hamano
2022-06-08 17:19 ` Calvin Wan
2022-06-08 17:34 ` Glen Choo
2022-06-08 18:01 ` Calvin Wan
2022-06-08 19:13 ` Junio C Hamano
2022-06-10 23:11 ` [PATCH v2] " Calvin Wan
2022-06-11 4:53 ` Elijah Newren
2022-06-11 17:08 ` Philippe Blain
2022-06-12 6:56 ` Elijah Newren
2022-06-13 2:03 ` Calvin Wan
2022-06-12 23:30 ` Junio C Hamano
2022-06-13 1:54 ` Calvin Wan
2022-06-29 22:40 ` [PATCH v3] " Calvin Wan
2022-06-30 2:40 ` Elijah Newren
2022-06-30 19:48 ` Calvin Wan
2022-07-01 4:27 ` Elijah Newren
2022-06-30 20:35 ` Glen Choo
2022-06-30 20:45 ` Glen Choo
2022-06-30 21:08 ` Calvin Wan
2022-07-12 23:19 ` [PATCH v4] " Calvin Wan
2022-07-13 18:11 ` Junio C Hamano
2022-07-17 2:46 ` Elijah Newren
2022-07-15 12:57 ` Johannes Schindelin
2022-07-16 6:22 ` Junio C Hamano
2022-07-17 2:44 ` Elijah Newren [this message]
2022-07-18 17:03 ` Calvin Wan
2022-07-18 21:43 ` [PATCH v5] " Calvin Wan
2022-07-19 6:39 ` Junio C Hamano
2022-07-19 19:30 ` Calvin Wan
2022-07-19 20:16 ` Junio C Hamano
2022-07-19 7:13 ` Junio C Hamano
2022-07-19 19:07 ` Calvin Wan
2022-07-19 20:30 ` Junio C Hamano
2022-07-25 6:05 ` Ævar Arnfjörð Bjarmason
2022-07-25 12:11 ` Ævar Arnfjörð Bjarmason
2022-07-25 22:03 ` Calvin Wan
2022-07-25 12:31 ` Ævar Arnfjörð Bjarmason
2022-07-25 21:27 ` Calvin Wan
2022-07-26 21:00 ` [PATCH v6] " Calvin Wan
2022-07-27 1:13 ` Elijah Newren
2022-07-27 22:00 ` Calvin Wan
2022-07-28 0:41 ` Elijah Newren
2022-07-28 19:06 ` Calvin Wan
2022-07-27 9:20 ` Ævar Arnfjörð Bjarmason
2022-07-28 21:12 ` [PATCH v7] " Calvin Wan
2022-07-28 23:22 ` Ævar Arnfjörð Bjarmason
2022-07-29 0:24 ` Elijah Newren
2022-08-01 22:24 ` Calvin Wan
2022-08-01 12:06 ` Ævar Arnfjörð Bjarmason
2022-08-02 0:50 ` Junio C Hamano
2022-08-02 21:03 ` Calvin Wan
2022-08-02 21:11 ` Junio C Hamano
2022-08-02 21:55 ` Calvin Wan
2022-08-02 22:22 ` Junio C Hamano
2022-08-04 19:51 ` [PATCH v8] " Calvin Wan
2022-08-16 15:58 ` Junio C Hamano
2022-08-16 18:58 ` Junio C Hamano
2022-08-16 19:34 ` Calvin Wan
2022-08-16 19:39 ` Junio C Hamano
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