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From: Junio C Hamano <gitster@pobox.com>
To: Denton Liu <liu.denton@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 10/15] t1306: convert `test_might_fail rm` to `rm -f`
Date: Tue, 17 Dec 2019 10:55:31 -0800
Message-ID: <xmqqk16uhjdo.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <d39422505f16a14c64514b8a78ae351f41b75c44.1576583819.git.liu.denton@gmail.com> (Denton Liu's message of "Tue, 17 Dec 2019 04:01:35 -0800")

Denton Liu <liu.denton@gmail.com> writes:

> The test_must_fail() family of functions (including test_might_fail())
> should only be used on git commands. Replace `test_might_fail rm` with
> `rm -f` so that we don't use `test_might_fail` on a non-git command.

"rm -f X" can return non-zero status if "X" exists and cannot be
removed (e.g. "X" is a directory, X is in a directory you cannot
write to).  The only thing "-f" prevents the command from returning
non-zero status is when "X" does not exist.

That means that this change will change the behaviour.  Let's see if
it does in a good way or a bad way.

>  test_expect_success 'Checking attributes in a non-XDG global attributes file' '
> -	test_might_fail rm .gitattributes &&
> +	rm -f .gitattributes &&

This is so that leftover .gitattributes from previous tests will not
affect the outcome of this test.  If .gitattributes left by earlier
tests cannot be removed for whatever reason, we would want to know
about it, so changing to "rm -f" to make the tests more strict is a
good move.

>  	echo "f attr_f=test" >"$HOME"/my_gitattributes &&
>  	git config core.attributesfile "$HOME"/my_gitattributes &&
>  	echo "f: attr_f: test" >expected &&
> @@ -165,7 +165,7 @@ test_expect_success 'Checking attributes in a non-XDG global attributes file' '
>  test_expect_success 'write: xdg file exists and ~/.gitconfig doesn'\''t' '
>  	mkdir -p "$HOME"/.config/git &&
>  	>"$HOME"/.config/git/config &&
> -	test_might_fail rm "$HOME"/.gitconfig &&
> +	rm -f "$HOME"/.gitconfig &&

Likewise.

>  	git config --global user.name "write_config" &&
>  	echo "[user]" >expected &&
>  	echo "	name = write_config" >>expected &&
> @@ -183,8 +183,8 @@ test_expect_success 'write: xdg file exists and ~/.gitconfig exists' '
>  
>  
>  test_expect_success 'write: ~/.config/git/ exists and config file doesn'\''t' '
> -	test_might_fail rm "$HOME"/.gitconfig &&
> -	test_might_fail rm "$HOME"/.config/git/config &&
> +	rm -f "$HOME"/.gitconfig &&
> +	rm -f "$HOME"/.config/git/config &&

Likewise, but I think it makes more sense to remove them with a
single invocation of "rm -f".

>  	git config --global user.name "write_gitconfig" &&
>  	echo "[user]" >expected &&
>  	echo "	name = write_gitconfig" >>expected &&

Thanks.  In short, I think all of the changes in the patch are good.

  reply index

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-17 12:01 [PATCH 00/15] t: replace incorrect test_must_fail usage (part 1) Denton Liu
2019-12-17 12:01 ` [PATCH 01/15] test-lib-functions: introduce test_non_git_might_fail() Denton Liu
2019-12-17 12:01 ` [PATCH 02/15] t/lib-git-p4: use test_path_is_missing() Denton Liu
2019-12-17 12:01 ` [PATCH 03/15] t0000: replace test_must_fail with ! for run_sub_test_lib_test() Denton Liu
2019-12-17 20:23   ` Johannes Sixt
2019-12-17 12:01 ` [PATCH 04/15] t0003: use named parameters in attr_check() Denton Liu
2019-12-17 18:35   ` Junio C Hamano
2019-12-17 18:43   ` Eric Sunshine
2019-12-17 12:01 ` [PATCH 05/15] t0003: use test_must_be_empty() Denton Liu
2019-12-17 12:01 ` [PATCH 06/15] t0003: don't use `test_must_fail attr_check` Denton Liu
2019-12-17 18:44   ` Junio C Hamano
2019-12-17 12:01 ` [PATCH 07/15] t0020: drop redirections to /dev/null Denton Liu
2019-12-17 19:32   ` Eric Sunshine
2019-12-17 12:01 ` [PATCH 08/15] t0020: s/test_must_fail has_cr/! has_cr/ Denton Liu
2019-12-17 19:36   ` Eric Sunshine
2019-12-17 12:01 ` [PATCH 09/15] t0020: use ! check_packed_refs_marked Denton Liu
2019-12-17 12:01 ` [PATCH 10/15] t1306: convert `test_might_fail rm` to `rm -f` Denton Liu
2019-12-17 18:55   ` Junio C Hamano [this message]
2019-12-17 12:01 ` [PATCH 11/15] t1307: reorder `nongit test_must_fail` Denton Liu
2019-12-17 12:01 ` [PATCH 12/15] t1409: let sed open its own files Denton Liu
2019-12-17 18:57   ` Junio C Hamano
2019-12-17 12:01 ` [PATCH 13/15] t1409: use test_path_is_missing() Denton Liu
2019-12-17 19:01   ` Junio C Hamano
2019-12-17 12:01 ` [PATCH 14/15] t1501: remove use of `test_might_fail cp` Denton Liu
2019-12-17 19:46   ` Eric Sunshine
2019-12-17 12:01 ` [PATCH 15/15] t1507: teach full_name() to accept `!` arg Denton Liu
2019-12-17 19:54   ` Eric Sunshine
2019-12-17 18:28 ` [PATCH 00/15] t: replace incorrect test_must_fail usage (part 1) Junio C Hamano
2019-12-19 22:22 ` [PATCH v2 00/16] " Denton Liu
2019-12-19 22:22   ` [PATCH v2 01/16] test-lib-functions: introduce test_non_git_might_fail() Denton Liu
2019-12-19 22:22   ` [PATCH v2 02/16] t/lib-git-p4: use test_path_is_missing() Denton Liu
2019-12-19 22:22   ` [PATCH v2 03/16] t0000: replace test_must_fail with run_sub_test_lib_test_err() Denton Liu
2019-12-19 22:22   ` [PATCH v2 04/16] t0003: use named parameters in attr_check() Denton Liu
2019-12-19 22:22   ` [PATCH v2 05/16] t0003: use test_must_be_empty() Denton Liu
2019-12-19 22:22   ` [PATCH v2 06/16] t0003: don't use `test_must_fail attr_check` Denton Liu
2019-12-19 22:22   ` [PATCH v2 07/16] t0020: don't use `test_must_fail has_cr` Denton Liu
2019-12-19 22:22   ` [PATCH v2 08/16] t0020: use ! check_packed_refs_marked Denton Liu
2019-12-19 22:22   ` [PATCH v2 09/16] t1306: convert `test_might_fail rm` to `rm -f` Denton Liu
2019-12-19 22:22   ` [PATCH v2 10/16] t1307: reorder `nongit test_must_fail` Denton Liu
2019-12-19 22:22   ` [PATCH v2 11/16] t1409: let sed open its own input file Denton Liu
2019-12-19 22:22   ` [PATCH v2 12/16] t1409: use test_path_is_missing() Denton Liu
2019-12-19 22:22   ` [PATCH v2 13/16] t1501: remove use of `test_might_fail cp` Denton Liu
2019-12-19 22:52     ` Eric Sunshine
2019-12-19 23:19       ` Denton Liu
2019-12-20 17:32         ` Eric Sunshine
2019-12-19 22:22   ` [PATCH v2 14/16] t1507: stop losing return codes of git commands Denton Liu
2019-12-19 22:22   ` [PATCH v2 15/16] t1507: run commands within test_expect_success Denton Liu
2019-12-19 22:22   ` [PATCH v2 16/16] t1507: inline full_name() Denton Liu
2019-12-20 18:15   ` [PATCH v3 00/15] t: replace incorrect test_must_fail usage (part 1) Denton Liu
2019-12-20 18:15     ` [PATCH v3 01/15] t/lib-git-p4: use test_path_is_missing() Denton Liu
2019-12-20 18:15     ` [PATCH v3 02/15] t0000: replace test_must_fail with run_sub_test_lib_test_err() Denton Liu
2019-12-20 18:15     ` [PATCH v3 03/15] t0003: use named parameters in attr_check() Denton Liu
2019-12-20 18:15     ` [PATCH v3 04/15] t0003: use test_must_be_empty() Denton Liu
2019-12-20 18:15     ` [PATCH v3 05/15] t0003: don't use `test_must_fail attr_check` Denton Liu
2019-12-20 18:15     ` [PATCH v3 06/15] t0020: don't use `test_must_fail has_cr` Denton Liu
2019-12-20 18:15     ` [PATCH v3 07/15] t0020: use ! check_packed_refs_marked Denton Liu
2019-12-20 18:15     ` [PATCH v3 08/15] t1306: convert `test_might_fail rm` to `rm -f` Denton Liu
2019-12-20 18:15     ` [PATCH v3 09/15] t1307: reorder `nongit test_must_fail` Denton Liu
2019-12-20 18:15     ` [PATCH v3 10/15] t1409: let sed open its own input file Denton Liu
2019-12-20 18:15     ` [PATCH v3 11/15] t1409: use test_path_is_missing() Denton Liu
2019-12-20 18:15     ` [PATCH v3 12/15] t1501: remove use of `test_might_fail cp` Denton Liu
2019-12-20 18:16     ` [PATCH v3 13/15] t1507: stop losing return codes of git commands Denton Liu
2019-12-20 18:16     ` [PATCH v3 14/15] t1507: run commands within test_expect_success Denton Liu
2019-12-20 18:16     ` [PATCH v3 15/15] t1507: inline full_name() Denton Liu

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