From: Philip Oakley <philipoakley@iee.email>
To: "SZEDER Gábor" <szeder.dev@gmail.com>,
"Junio C Hamano" <gitster@pobox.com>
Cc: git@vger.kernel.org, Samuel Lijin <sxlijin@gmail.com>
Subject: Re: [PATCH] t7300-clean: demonstrate deleting nested repo with an ignored file breakage
Date: Sun, 25 Aug 2019 23:32:28 +0100 [thread overview]
Message-ID: <20f71f02-4895-fe57-8704-a44494b971b9@iee.email> (raw)
In-Reply-To: <20190825185918.3909-1-szeder.dev@gmail.com>
Hi Szeder,
On 25/08/2019 19:59, SZEDER Gábor wrote:
> 'git clean -fd' must not delete an untracked directory if it belongs
s/untracked//
I don't believe it should matter either way for a sub-module
(sub-directory).
> to a different Git repository or worktree.
msybr split the assertion from the fault explanation.
> Unfortunately, if a
> '.gitignore' rule in the outer repository happens to match a file in a
> nested repository or worktree, then something goes awry and 'git clean
> -fd' does delete the content of the nested repository's worktree
good so far.
> except that ignored file, potentially leading to data loss.
this appears at cross purposes as the description has changed from
'ignored/untracked directory' to 'ignored file'. I'm not sure which part
the data loss is meant to refer to.
>
> Add a test to 't7300-clean.sh' to demonstrate this breakage.
>
> This issue is a regression introduced in 6b1db43109 (clean: teach
> clean -d to preserve ignored paths, 2017-05-23).
>
> Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
> ---
>
> BEWARE: Our toplevel '.gitignore' currently contains the '*.manifest'
> rule [1], which ignores the file 'compat/win32/git.manifest' [2], so
> if you use nested worktrees in your git repo, then a 'git clean -fd'
> will delete them.
>
> [1] 516dfb8416 (.gitignore: touch up the entries regarding Visual
> Studio, 2019-07-29)
> [2] fe90397604 (mingw: embed a manifest to trick UAC into Doing The
> Right Thing, 2019-06-27)
>
>
> t/t7300-clean.sh | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh
> index a2c45d1902..d01fd120ab 100755
> --- a/t/t7300-clean.sh
> +++ b/t/t7300-clean.sh
> @@ -669,6 +669,28 @@ test_expect_success 'git clean -d skips untracked dirs containing ignored files'
> test_path_is_missing foo/b/bb
> '
>
> +test_expect_failure 'git clean -d skips nested repo containing ignored files' '
> + test_when_finished "rm -rf nested-repo-with-ignored-file" &&
> +
> + git init nested-repo-with-ignored-file &&
> + (
> + cd nested-repo-with-ignored-file &&
> + >file &&
> + git add file &&
> + git commit -m Initial &&
> +
> + # This file is ignored by a .gitignore rule in the outer repo
> + # added in the previous test.
> + >ignoreme
> + ) &&
> +
> + git clean -fd &&
> +
> + test_path_is_file nested-repo-with-ignored-file/.git/index &&
> + test_path_is_file nested-repo-with-ignored-file/ignoreme &&
> + test_path_is_file nested-repo-with-ignored-file/file
> +'
> +
> test_expect_success MINGW 'handle clean & core.longpaths = false nicely' '
> test_config core.longpaths false &&
> a50=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
next prev parent reply other threads:[~2019-08-25 22:35 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-25 18:59 [PATCH] t7300-clean: demonstrate deleting nested repo with an ignored file breakage SZEDER Gábor
2019-08-25 20:34 ` SZEDER Gábor
2019-08-25 22:32 ` Philip Oakley [this message]
2019-08-26 7:48 ` SZEDER Gábor
2019-09-05 15:47 ` [RFC PATCH v2 00/12] Fix some git clean issues Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 01/12] t7300: Add some testcases showing failure to clean specified pathspecs Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 02/12] dir: fix typo in comment Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 03/12] dir: fix off-by-one error in match_pathspec_item Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 04/12] dir: Directories should be checked for matching pathspecs too Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 05/12] dir: Make the DO_MATCH_SUBMODULE code reusable for a non-submodule case Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 06/12] dir: If our pathspec might match files under a dir, recurse into it Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 07/12] dir: add commentary explaining match_pathspec_item's return value Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 08/12] git-clean.txt: do not claim we will delete files with -n/--dry-run Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 09/12] clean: disambiguate the definition of -d Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 10/12] clean: avoid removing untracked files in a nested git repository Elijah Newren
2019-09-05 21:20 ` SZEDER Gábor
2019-09-05 15:47 ` [RFC PATCH v2 11/12] clean: rewrap overly long line Elijah Newren
2019-09-05 15:47 ` [RFC PATCH v2 12/12] clean: fix theoretical path corruption Elijah Newren
2019-09-05 19:27 ` SZEDER Gábor
2019-09-07 0:34 ` Elijah Newren
2019-09-05 19:01 ` [RFC PATCH v2 00/12] Fix some git clean issues SZEDER Gábor
2019-09-07 0:33 ` Elijah Newren
2019-09-12 22:12 ` [PATCH v3 " Elijah Newren
2019-09-12 22:12 ` [PATCH v3 01/12] t7300: add testcases showing failure to clean specified pathspecs Elijah Newren
2019-09-13 18:54 ` Junio C Hamano
2019-09-13 19:10 ` Elijah Newren
2019-09-13 20:29 ` Junio C Hamano
2019-09-12 22:12 ` [PATCH v3 02/12] dir: fix typo in comment Elijah Newren
2019-09-12 22:12 ` [PATCH v3 03/12] dir: fix off-by-one error in match_pathspec_item Elijah Newren
2019-09-13 19:05 ` Junio C Hamano
2019-09-12 22:12 ` [PATCH v3 04/12] dir: also check directories for matching pathspecs Elijah Newren
2019-09-12 22:12 ` [PATCH v3 05/12] dir: make the DO_MATCH_SUBMODULE code reusable for a non-submodule case Elijah Newren
2019-09-12 22:12 ` [PATCH v3 06/12] dir: if our pathspec might match files under a dir, recurse into it Elijah Newren
2019-09-13 19:45 ` Junio C Hamano
2019-09-12 22:12 ` [PATCH v3 07/12] dir: add commentary explaining match_pathspec_item's return value Elijah Newren
2019-09-13 20:04 ` Junio C Hamano
2019-09-12 22:12 ` [PATCH v3 08/12] git-clean.txt: do not claim we will delete files with -n/--dry-run Elijah Newren
2019-09-12 22:12 ` [PATCH v3 09/12] clean: disambiguate the definition of -d Elijah Newren
2019-09-12 22:12 ` [PATCH v3 10/12] clean: avoid removing untracked files in a nested git repository Elijah Newren
2019-09-12 22:12 ` [PATCH v3 11/12] clean: rewrap overly long line Elijah Newren
2019-09-12 22:12 ` [PATCH v3 12/12] clean: fix theoretical path corruption Elijah Newren
2019-09-17 16:34 ` [PATCH v4 00/12] Fix some git clean issues Elijah Newren
2019-09-17 16:34 ` [PATCH v4 01/12] t7300: add testcases showing failure to clean specified pathspecs Elijah Newren
2019-09-17 16:34 ` [PATCH v4 02/12] dir: fix typo in comment Elijah Newren
2019-09-17 16:34 ` [PATCH v4 03/12] dir: fix off-by-one error in match_pathspec_item Elijah Newren
2019-09-17 16:34 ` [PATCH v4 04/12] dir: also check directories for matching pathspecs Elijah Newren
2019-09-25 20:39 ` [BUG] git is segfaulting, was " Denton Liu
2019-09-25 21:28 ` Elijah Newren
2019-09-25 21:55 ` Denton Liu
2019-09-26 20:35 ` Denton Liu
2019-09-27 0:12 ` Elijah Newren
2019-09-27 1:09 ` SZEDER Gábor
2019-09-27 2:17 ` SZEDER Gábor
2019-09-27 17:10 ` Denton Liu
2019-09-30 19:11 ` [PATCH] dir: special case check for the possibility that pathspec is NULL Elijah Newren
2019-09-30 22:31 ` Denton Liu
2019-10-01 7:01 ` Elijah Newren
2019-10-01 18:30 ` [PATCH v2] " Elijah Newren
2019-10-01 18:40 ` Denton Liu
2019-10-01 18:54 ` Elijah Newren
2019-10-01 18:55 ` [PATCH v3] " Elijah Newren
2019-10-01 19:35 ` Denton Liu
2019-10-01 19:39 ` Elijah Newren
2019-10-02 15:51 ` Elijah Newren
2019-10-07 18:04 ` SZEDER Gábor
2019-09-17 16:34 ` [PATCH v4 05/12] dir: make the DO_MATCH_SUBMODULE code reusable for a non-submodule case Elijah Newren
2019-09-17 16:34 ` [PATCH v4 06/12] dir: if our pathspec might match files under a dir, recurse into it Elijah Newren
2019-09-17 16:34 ` [PATCH v4 07/12] dir: add commentary explaining match_pathspec_item's return value Elijah Newren
2019-09-17 16:35 ` [PATCH v4 08/12] git-clean.txt: do not claim we will delete files with -n/--dry-run Elijah Newren
2019-09-17 16:35 ` [PATCH v4 09/12] clean: disambiguate the definition of -d Elijah Newren
2019-09-17 16:35 ` [PATCH v4 10/12] clean: avoid removing untracked files in a nested git repository Elijah Newren
2019-09-17 16:35 ` [PATCH v4 11/12] clean: rewrap overly long line Elijah Newren
2019-09-17 16:35 ` [PATCH v4 12/12] clean: fix theoretical path corruption Elijah Newren
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