From: Eric Sunshine <sunshine@sunshineco.com>
To: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
Cc: Git List <git@vger.kernel.org>,
Junio C Hamano <gitster@pobox.com>,
Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Subject: Re: [PATCH 5/7] worktree move: refuse to move worktrees with submodules
Date: Fri, 2 Feb 2018 05:06:39 -0500 [thread overview]
Message-ID: <CAPig+cSLMt_9+5-8f_MndJM0hHgp32Q1CUmaosfJcbGEV8j-zg@mail.gmail.com> (raw)
In-Reply-To: <20180124095357.19645-6-pclouds@gmail.com>
On Wed, Jan 24, 2018 at 4:53 AM, Nguyễn Thái Ngọc Duy <pclouds@gmail.com> wrote:
> Submodules contains .git files with relative paths. After a worktree
> move, these files need to be updated or they may point to nowhere.
>
> This is a bandage patch to make sure "worktree move" don't break
> people's worktrees by accident. When .git file update code is in
> place, this validate_no_submodules() could be removed.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---
> diff --git a/builtin/worktree.c b/builtin/worktree.c
> @@ -606,6 +606,27 @@ static int unlock_worktree(int ac, const char **av, const char *prefix)
> +static void validate_no_submodules(const struct worktree *wt)
> +{
> + struct index_state istate = { NULL };
> + int i, found_submodules = 0;
> +
> + if (read_index_from(&istate, worktree_git_path(wt, "index")) > 0) {
> + for (i = 0; i < istate.cache_nr; i++) {
> + struct cache_entry *ce = istate.cache[i];
> +
> + if (S_ISGITLINK(ce->ce_mode)) {
> + found_submodules = 1;
> + break;
> + }
> + }
> + }
> + discard_index(&istate);
> +
> + if (found_submodules)
> + die(_("working trees containing submodules cannot be moved"));
Minor (not worth a re-roll): This could be simplified slightly by
die()ing inside the loop rather than having 'found_submodules' and
breaking from the loop. Doing so will leak 'istate', but it's die()ing
anyhow, so should not be an issue (unless this code is someday
libified).
> +}
next prev parent reply other threads:[~2018-02-02 10:06 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-24 9:53 [PATCH 0/7] nd/worktree-move reboot Nguyễn Thái Ngọc Duy
2018-01-24 9:53 ` [PATCH 1/7] worktree.c: add validate_worktree() Nguyễn Thái Ngọc Duy
2018-01-24 9:53 ` [PATCH 2/7] worktree.c: add update_worktree_location() Nguyễn Thái Ngọc Duy
2018-02-02 8:23 ` Eric Sunshine
2018-02-02 9:35 ` Duy Nguyen
2018-01-24 9:53 ` [PATCH 3/7] worktree move: new command Nguyễn Thái Ngọc Duy
2018-02-02 9:15 ` Eric Sunshine
2018-02-02 11:23 ` Eric Sunshine
2018-02-05 13:28 ` Duy Nguyen
2018-02-06 2:13 ` Jeff King
2018-02-06 20:05 ` Martin Ågren
2018-02-12 9:56 ` Duy Nguyen
2018-02-12 22:15 ` Martin Ågren
2018-02-13 0:27 ` Duy Nguyen
2018-02-14 3:16 ` Jeff King
2018-02-14 9:07 ` Duy Nguyen
2018-02-14 17:35 ` Junio C Hamano
2018-02-14 21:56 ` [PATCH] t/known-leaky: add list of known-leaky test scripts Martin Ågren
2018-02-19 21:29 ` Jeff King
2018-02-20 20:44 ` Martin Ågren
2018-02-20 21:08 ` Jeff King
2018-02-21 16:53 ` Junio C Hamano
2018-02-21 18:25 ` Jeff King
2018-02-25 3:48 ` Kaartic Sivaraam
2018-02-26 21:22 ` Martin Ågren
2018-01-24 9:53 ` [PATCH 4/7] worktree move: accept destination as directory Nguyễn Thái Ngọc Duy
2018-02-02 9:35 ` Eric Sunshine
2018-01-24 9:53 ` [PATCH 5/7] worktree move: refuse to move worktrees with submodules Nguyễn Thái Ngọc Duy
2018-02-02 10:06 ` Eric Sunshine [this message]
2018-01-24 9:53 ` [PATCH 6/7] worktree remove: new command Nguyễn Thái Ngọc Duy
2018-02-02 11:47 ` Eric Sunshine
2018-02-12 9:26 ` Duy Nguyen
2018-01-24 9:53 ` [PATCH 7/7] worktree remove: allow it when $GIT_WORK_TREE is already gone Nguyễn Thái Ngọc Duy
2018-02-02 12:59 ` Eric Sunshine
2018-01-24 20:42 ` [PATCH 0/7] nd/worktree-move reboot Junio C Hamano
2018-02-12 9:49 ` [PATCH v2 " Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 1/7] worktree.c: add validate_worktree() Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 2/7] worktree.c: add update_worktree_location() Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 3/7] worktree move: new command Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 4/7] worktree move: accept destination as directory Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 5/7] worktree move: refuse to move worktrees with submodules Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 6/7] worktree remove: new command Nguyễn Thái Ngọc Duy
2018-02-12 9:49 ` [PATCH v2 7/7] worktree remove: allow it when $GIT_WORK_TREE is already gone Nguyễn Thái Ngọc Duy
2018-03-04 5:26 ` [PATCH] t2028: fix minor error and issues in newly-added "worktree move" tests Eric Sunshine
2018-03-05 9:32 ` Duy Nguyen
2018-03-05 12:48 ` SZEDER Gábor
2018-03-05 18:37 ` Junio C Hamano
2018-03-05 18:44 ` Eric Sunshine
2018-03-04 5:36 ` [PATCH v2 0/7] nd/worktree-move reboot Eric Sunshine
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