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From: Phillip Wood <phillip.wood123@gmail•com>
To: Caleb White <cdwhite3@pm•me>, git@vger•kernel.org
Cc: Taylor Blau <me@ttaylorr•com>, Junio C Hamano <gitster@pobox•com>,
	Eric Sunshine <sunshine@sunshineco•com>
Subject: Re: [PATCH v4 8/8] worktree: refactor `repair_worktree_after_gitdir_move()`
Date: Fri, 22 Nov 2024 15:58:20 +0000	[thread overview]
Message-ID: <50187d7d-2a96-4df2-baaa-ea27c9bd5dcf@gmail.com> (raw)
In-Reply-To: <20241031-wt_relative_options-v4-8-07a3dc0f02a3@pm.me>

Hi Caleb

On 01/11/2024 04:39, Caleb White wrote:
> This refactors `repair_worktree_after_gitdir_move()` to use the new
> `write_worktree_linking_files` function. It also preserves the
> relativity of the linking files; e.g., if an existing worktree used
> absolute paths then the repaired paths will be absolute (and visa-versa).

It would be helpful to give a brief explanation of what this function is 
used for as it seems to be called from setup.c rather than as part of 
"git worktree repair"

> This also adds a test case for reinitializing a repository that has
> relative worktrees.

I'm not sure exactly what this is doing - are we breaking something and 
then calling "git init" to repair it?

My understanding of what this function is trying to do is rather limited 
but as far as I can see the conversion looks OK though the strbuf 
changes are quite distracting.

> Signed-off-by: Caleb White <cdwhite3@pm•me>
> ---
>   t/t0001-init.sh | 22 ++++++++++++++++++----
>   worktree.c      | 29 ++++++++---------------------
>   2 files changed, 26 insertions(+), 25 deletions(-)
> 
> diff --git a/t/t0001-init.sh b/t/t0001-init.sh
> index 0178aa62a41f1606f2382a4a10ab593ccf11e0e8..264951592a711f6879555b785905e799db6c5dd4 100755
> --- a/t/t0001-init.sh
> +++ b/t/t0001-init.sh
> @@ -434,6 +434,12 @@ test_expect_success SYMLINKS 're-init to move gitdir symlink' '
>   sep_git_dir_worktree ()  {
>   	test_when_finished "rm -rf mainwt linkwt seprepo" &&
>   	git init mainwt &&
> +	if test "relative" = $2
> +	then
> +		git -C mainwt config worktree.useRelativePaths true

test_config is your friend here (it accepts -C <repo>)

Best Wishes

Phillip

> +	else
> +		git -C mainwt config worktree.useRelativePaths false
> +	fi
>   	test_commit -C mainwt gumby &&
>   	git -C mainwt worktree add --detach ../linkwt &&
>   	git -C "$1" init --separate-git-dir ../seprepo &&
> @@ -442,12 +448,20 @@ sep_git_dir_worktree ()  {
>   	test_cmp expect actual
>   }
>   
> -test_expect_success 're-init to move gitdir with linked worktrees' '
> -	sep_git_dir_worktree mainwt
> +test_expect_success 're-init to move gitdir with linked worktrees (absolute)' '
> +	sep_git_dir_worktree mainwt absolute
> +'
> +
> +test_expect_success 're-init to move gitdir within linked worktree (absolute)' '
> +	sep_git_dir_worktree linkwt absolute
> +'
> +
> +test_expect_success 're-init to move gitdir with linked worktrees (relative)' '
> +	sep_git_dir_worktree mainwt relative
>   '
>   
> -test_expect_success 're-init to move gitdir within linked worktree' '
> -	sep_git_dir_worktree linkwt
> +test_expect_success 're-init to move gitdir within linked worktree (relative)' '
> +	sep_git_dir_worktree linkwt relative
>   '
>   
>   test_expect_success MINGW '.git hidden' '
> diff --git a/worktree.c b/worktree.c
> index 2cb994ac462debf966ac51b5a4f33c30cfebd4ef..2c2e9fd8fdc22d4fe3705227d72b8dbd293038b2 100644
> --- a/worktree.c
> +++ b/worktree.c
> @@ -653,45 +653,32 @@ void repair_worktrees(worktree_repair_fn fn, void *cb_data, int use_relative_pat
>   
>   void repair_worktree_after_gitdir_move(struct worktree *wt, const char *old_path)
>   {
> -	struct strbuf path = STRBUF_INIT;
> -	struct strbuf repo = STRBUF_INIT;
>   	struct strbuf gitdir = STRBUF_INIT;
>   	struct strbuf dotgit = STRBUF_INIT;
> -	struct strbuf olddotgit = STRBUF_INIT;
> -	struct strbuf tmp = STRBUF_INIT;
> +	int is_relative_path;
>   
>   	if (is_main_worktree(wt))
>   		goto done;
>   
> -	strbuf_realpath(&repo, git_common_path("worktrees/%s", wt->id), 1);
> -	strbuf_addf(&gitdir, "%s/gitdir", repo.buf);
> +	strbuf_realpath(&gitdir, git_common_path("worktrees/%s/gitdir", wt->id), 1);
>   
> -	if (strbuf_read_file(&olddotgit, gitdir.buf, 0) < 0)
> +	if (strbuf_read_file(&dotgit, gitdir.buf, 0) < 0)
>   		goto done;
>   
> -	strbuf_rtrim(&olddotgit);
> -	if (is_absolute_path(olddotgit.buf)) {
> -		strbuf_addbuf(&dotgit, &olddotgit);
> -	} else {
> -		strbuf_addf(&dotgit, "%s/worktrees/%s/%s", old_path, wt->id, olddotgit.buf);
> +	strbuf_rtrim(&dotgit);
> +	is_relative_path = ! is_absolute_path(dotgit.buf);
> +	if (is_relative_path) {
> +		strbuf_insertf(&dotgit, 0, "%s/worktrees/%s/", old_path, wt->id);
>   		strbuf_realpath_forgiving(&dotgit, dotgit.buf, 0);
>   	}
>   
>   	if (!file_exists(dotgit.buf))
>   		goto done;
>   
> -	strbuf_addbuf(&path, &dotgit);
> -	strbuf_strip_suffix(&path, "/.git");
> -
> -	write_file(dotgit.buf, "gitdir: %s", relative_path(repo.buf, path.buf, &tmp));
> -	write_file(gitdir.buf, "%s", relative_path(dotgit.buf, repo.buf, &tmp));
> +	write_worktree_linking_files(dotgit, gitdir, is_relative_path);
>   done:
> -	strbuf_release(&path);
> -	strbuf_release(&repo);
>   	strbuf_release(&gitdir);
>   	strbuf_release(&dotgit);
> -	strbuf_release(&olddotgit);
> -	strbuf_release(&tmp);
>   }
>   
>   void repair_worktrees_after_gitdir_move(const char *old_path)
> 


  reply	other threads:[~2024-11-22 15:58 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-01  4:38 [PATCH v4 0/8] Allow relative worktree linking to be configured by the user Caleb White
2024-11-01  4:38 ` [PATCH v4 1/8] setup: correctly reinitialize repository version Caleb White
2024-11-01  4:38 ` [PATCH v4 2/8] worktree: add `relativeWorktrees` extension Caleb White
2024-11-19 15:07   ` Phillip Wood
2024-11-20  5:13     ` Caleb White
2024-11-22 16:44       ` Phillip Wood
2024-11-22 19:27         ` Caleb White
2024-11-01  4:38 ` [PATCH v4 3/8] worktree: refactor infer_backlink return Caleb White
2024-11-19 15:08   ` Phillip Wood
2024-11-20  5:20     ` Caleb White
2024-11-22 16:44       ` Phillip Wood
2024-11-22 19:26         ` Caleb White
2024-11-01  4:38 ` [PATCH v4 4/8] worktree: add `write_worktree_linking_files()` function Caleb White
2024-11-01  4:38 ` [PATCH v4 5/8] worktree: add relative cli/config options to `add` command Caleb White
2024-11-19 15:07   ` Phillip Wood
2024-11-20  5:01     ` Caleb White
2024-11-22 16:44       ` phillip.wood123
2024-11-23  4:40         ` Caleb White
2024-11-01  4:38 ` [PATCH v4 6/8] worktree: add relative cli/config options to `move` command Caleb White
2024-11-22 15:55   ` Phillip Wood
2024-11-23  4:11     ` Caleb White
2024-11-01  4:38 ` [PATCH v4 7/8] worktree: add relative cli/config options to `repair` command Caleb White
2024-11-22 15:55   ` Phillip Wood
2024-11-23  5:41     ` Caleb White
2024-11-24 19:27       ` phillip.wood123
2024-11-26  0:00         ` Caleb White
2024-11-01  4:39 ` [PATCH v4 8/8] worktree: refactor `repair_worktree_after_gitdir_move()` Caleb White
2024-11-22 15:58   ` Phillip Wood [this message]
2024-11-23  4:36     ` Caleb White
2024-11-01  7:14 ` [PATCH v4 0/8] Allow relative worktree linking to be configured by the user Junio C Hamano
2024-11-01 13:18   ` Caleb White
2024-11-02 10:09     ` Junio C Hamano
2024-11-02 14:36   ` Kristoffer Haugsbakk
2024-11-22 15:57 ` Phillip Wood
2024-11-23  5:45   ` Caleb White
2024-11-26  1:51 ` [PATCH v5 " Caleb White
2024-11-26  1:51   ` [PATCH v5 1/8] setup: correctly reinitialize repository version Caleb White
2024-11-26  1:51   ` [PATCH v5 2/8] worktree: add `relativeWorktrees` extension Caleb White
2024-11-26  1:51   ` [PATCH v5 3/8] worktree: refactor infer_backlink return Caleb White
2024-11-26  1:51   ` [PATCH v5 4/8] worktree: add `write_worktree_linking_files()` function Caleb White
2024-11-26  1:52   ` [PATCH v5 5/8] worktree: add relative cli/config options to `add` command Caleb White
2024-11-26  1:52   ` [PATCH v5 6/8] worktree: add relative cli/config options to `move` command Caleb White
2024-11-26  1:52   ` [PATCH v5 7/8] worktree: add relative cli/config options to `repair` command Caleb White
2024-11-26  1:52   ` [PATCH v5 8/8] worktree: refactor `repair_worktree_after_gitdir_move()` Caleb White
2024-11-26  6:18   ` [PATCH v5 0/8] Allow relative worktree linking to be configured by the user Junio C Hamano
2024-11-26 17:02     ` Caleb White
2024-11-28 14:44   ` Phillip Wood
2024-11-28 17:58     ` Caleb White
2024-11-29 22:22   ` [PATCH v6 " Caleb White
2024-11-29 22:22     ` [PATCH v6 1/8] setup: correctly reinitialize repository version Caleb White
2024-11-29 22:22     ` [PATCH v6 2/8] worktree: add `relativeWorktrees` extension Caleb White
2024-11-29 22:22     ` [PATCH v6 3/8] worktree: refactor infer_backlink return Caleb White
2024-11-29 22:22     ` [PATCH v6 4/8] worktree: add `write_worktree_linking_files()` function Caleb White
2024-11-29 22:22     ` [PATCH v6 5/8] worktree: add relative cli/config options to `add` command Caleb White
2024-11-29 22:23     ` [PATCH v6 6/8] worktree: add relative cli/config options to `move` command Caleb White
2024-11-29 22:23     ` [PATCH v6 7/8] worktree: add relative cli/config options to `repair` command Caleb White
2024-11-29 22:23     ` [PATCH v6 8/8] worktree: refactor `repair_worktree_after_gitdir_move()` Caleb White
2024-12-02 14:57     ` [PATCH v6 0/8] Allow relative worktree linking to be configured by the user Phillip Wood
2024-12-03  4:54       ` Junio C Hamano
2024-12-03  5:21         ` Caleb White

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