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From: Patrick Steinhardt <ps@pks•im>
To: Eric Sunshine <sunshine@sunshineco•com>
Cc: git@vger•kernel.org, Derrick Stolee <stolee@gmail•com>,
	Junio C Hamano <gitster@pobox•com>
Subject: Re: [PATCH v3 4/7] worktree: expose function to retrieve worktree names
Date: Wed, 7 May 2025 09:06:40 +0200	[thread overview]
Message-ID: <aBsGgNsNmy-t5CGK@pks.im> (raw)
In-Reply-To: <CAPig+cSDDbhGrym8j=PFKBCUxBQhZPzAHXGvKy-Z6POA4Ju3sw@mail.gmail.com>

On Mon, May 05, 2025 at 04:42:40AM -0400, Eric Sunshine wrote:
> On Fri, May 2, 2025 at 4:44 AM Patrick Steinhardt <ps@pks•im> wrote:
> > Introduce a function that retrieves worktree names as present in
> > ".git/worktrees". This function will be used in a subsequent commit.
> >
> > Signed-off-by: Patrick Steinhardt <ps@pks•im>
> 
> I'm not convinced that this patch or the get_worktree_names() function
> which it adds to worktree.[hc] adds value. Aside from the mere act of
> consulting the directory at repo_git_path(r, "worktrees"), there is
> nothing about the function at all related to worktrees. It doesn't
> make any guarantees, such as only returning entries which at least
> superficially look like worktree-metadata directories, or perform any
> sort of validation. I don't see how this is any better than the caller
> just implementing its own bog-standard opendir() / readdir()-loop /
> closedir() over repo_git_path(r, "worktrees"). Or, if you don't want
> the caller to implement its own readdir()-loop, I wouldn't be
> surprised if we already have a function which does exactly this for a
> provided path, though I haven't checked. If there isn't such a generic
> function, perhaps it makes more sense to add one and call it with
> repo_git_path(r, "worktrees") as its input?

I think this is fair criticism indeed, and open-coding this isn't even
any more complex, either, as shown by the below patch. I'll drop this
patch.

Patrick

diff --git a/builtin/gc.c b/builtin/gc.c
index 82f0fac81a4..eb4469b7858 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -351,11 +351,11 @@ static int maintenance_task_worktree_prune(struct maintenance_run_opts *opts UNU
 
 static int worktree_prune_condition(struct gc_config *cfg)
 {
-	struct strvec worktrees = STRVEC_INIT;
-	struct strbuf reason = STRBUF_INIT;
+	struct strbuf buf = STRBUF_INIT;
+	int should_prune = 0, limit = 1;
 	timestamp_t expiry_date;
-	int should_prune = 0;
-	int limit = 1;
+	struct dirent *d;
+	DIR *dir = NULL;
 
 	git_config_get_int("maintenance.worktree-prune.auto", &limit);
 	if (limit <= 0) {
@@ -363,15 +363,18 @@ static int worktree_prune_condition(struct gc_config *cfg)
 		goto out;
 	}
 
-	if (parse_expiry_date(cfg->prune_worktrees_expire, &expiry_date) ||
-	    get_worktree_names(the_repository, &worktrees) < 0)
+	if (parse_expiry_date(cfg->prune_worktrees_expire, &expiry_date))
+		goto out;
+
+	dir = opendir(repo_git_path_replace(the_repository, &buf, "worktrees"));
+	if (!dir)
 		goto out;
 
-	for (size_t i = 0; i < worktrees.nr; i++) {
+	while ((d = readdir_skip_dot_and_dotdot(dir))) {
 		char *wtpath;
 
-		strbuf_reset(&reason);
-		if (should_prune_worktree(worktrees.v[i], &reason, &wtpath, expiry_date)) {
+		strbuf_reset(&buf);
+		if (should_prune_worktree(d->d_name, &buf, &wtpath, expiry_date)) {
 			limit--;
 
 			if (!limit) {
@@ -384,8 +387,9 @@ static int worktree_prune_condition(struct gc_config *cfg)
 	}
 
 out:
-	strvec_clear(&worktrees);
-	strbuf_release(&reason);
+	if (dir)
+		closedir(dir);
+	strbuf_release(&buf);
 	return should_prune;
 }

  reply	other threads:[~2025-05-07  7:06 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-25  7:29 [PATCH 0/7] builtin/maintenance: implement missing tasks compared to git-gc(1) Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 1/7] builtin/gc: fix indentation of `cmd_gc()` parameters Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 2/7] builtin/gc: remove global variables where it trivial to do Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 3/7] builtin/gc: move pruning of worktrees into a separate function Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 4/7] worktree: expose function to retrieve worktree names Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 5/7] builtin/maintenance: introduce "worktree-prune" task Patrick Steinhardt
2025-04-29 20:02   ` Derrick Stolee
2025-04-30  7:08     ` Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 6/7] builtin/gc: move rerere garbage collection into separate function Patrick Steinhardt
2025-04-25  7:29 ` [PATCH 7/7] builtin/maintenance: introduce "rerere-gc" task Patrick Steinhardt
2025-04-29 20:02 ` [PATCH 0/7] builtin/maintenance: implement missing tasks compared to git-gc(1) Derrick Stolee
2025-04-30  7:08   ` Patrick Steinhardt
2025-04-30 10:25 ` [PATCH v2 0/8] " Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 1/8] builtin/gc: fix indentation of `cmd_gc()` parameters Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 2/8] builtin/gc: remove global variables where it trivial to do Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 3/8] builtin/gc: move pruning of worktrees into a separate function Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 4/8] worktree: expose function to retrieve worktree names Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 5/8] builtin/maintenance: introduce "worktree-prune" task Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 6/8] rerere: provide function to collect stale entries Patrick Steinhardt
2025-04-30 16:58     ` Junio C Hamano
2025-05-02  8:07       ` Patrick Steinhardt
2025-05-02 16:35         ` Junio C Hamano
2025-05-05  7:22           ` Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 7/8] builtin/gc: move rerere garbage collection into separate function Patrick Steinhardt
2025-04-30 10:25   ` [PATCH v2 8/8] builtin/maintenance: introduce "rerere-gc" task Patrick Steinhardt
2025-04-30 10:37   ` [PATCH v2 0/8] builtin/maintenance: implement missing tasks compared to git-gc(1) Derrick Stolee
2025-05-02  8:43 ` [PATCH v3 0/7] " Patrick Steinhardt
2025-05-02  8:43   ` [PATCH v3 1/7] builtin/gc: fix indentation of `cmd_gc()` parameters Patrick Steinhardt
2025-05-02  8:43   ` [PATCH v3 2/7] builtin/gc: remove global variables where it trivial to do Patrick Steinhardt
2025-05-02  8:44   ` [PATCH v3 3/7] builtin/gc: move pruning of worktrees into a separate function Patrick Steinhardt
2025-05-02  8:44   ` [PATCH v3 4/7] worktree: expose function to retrieve worktree names Patrick Steinhardt
2025-05-05  8:42     ` Eric Sunshine
2025-05-07  7:06       ` Patrick Steinhardt [this message]
2025-05-02  8:44   ` [PATCH v3 5/7] builtin/maintenance: introduce "worktree-prune" task Patrick Steinhardt
2025-05-05  8:59     ` Eric Sunshine
2025-05-07  7:06       ` Patrick Steinhardt
2025-05-02  8:44   ` [PATCH v3 6/7] builtin/gc: move rerere garbage collection into separate function Patrick Steinhardt
2025-05-02  8:44   ` [PATCH v3 7/7] builtin/maintenance: introduce "rerere-gc" task Patrick Steinhardt
2025-05-02 14:57   ` [PATCH v3 0/7] builtin/maintenance: implement missing tasks compared to git-gc(1) Derrick Stolee
2025-05-02 21:07     ` Junio C Hamano
2025-05-05  7:32       ` Patrick Steinhardt
2025-05-05  8:51 ` [PATCH v4 " Patrick Steinhardt
2025-05-05  8:51   ` [PATCH v4 1/7] builtin/gc: fix indentation of `cmd_gc()` parameters Patrick Steinhardt
2025-05-05  8:51   ` [PATCH v4 2/7] builtin/gc: remove global variables where it trivial to do Patrick Steinhardt
2025-05-06  7:44     ` Christian Couder
2025-05-07  7:06       ` Patrick Steinhardt
2025-05-05  8:51   ` [PATCH v4 3/7] builtin/gc: move pruning of worktrees into a separate function Patrick Steinhardt
2025-05-06  7:50     ` Christian Couder
2025-05-07  7:06       ` Patrick Steinhardt
2025-05-05  8:51   ` [PATCH v4 4/7] worktree: expose function to retrieve worktree names Patrick Steinhardt
2025-05-06  8:20     ` Christian Couder
2025-05-06 16:08       ` Eric Sunshine
2025-05-05  8:51   ` [PATCH v4 5/7] builtin/maintenance: introduce "worktree-prune" task Patrick Steinhardt
2025-05-06  7:40     ` Christian Couder
2025-05-07  7:06       ` Patrick Steinhardt
2025-05-05  8:51   ` [PATCH v4 6/7] builtin/gc: move rerere garbage collection into separate function Patrick Steinhardt
2025-05-06  8:39     ` Christian Couder
2025-05-05  8:51   ` [PATCH v4 7/7] builtin/maintenance: introduce "rerere-gc" task Patrick Steinhardt
2025-05-06  9:05   ` [PATCH v4 0/7] builtin/maintenance: implement missing tasks compared to git-gc(1) Christian Couder
2025-05-07  7:21 ` [PATCH v5 0/6] " Patrick Steinhardt
2025-05-07  7:21   ` [PATCH v5 1/6] builtin/gc: fix indentation of `cmd_gc()` parameters Patrick Steinhardt
2025-05-07  7:21   ` [PATCH v5 2/6] builtin/gc: remove global variables where it is trivial to do Patrick Steinhardt
2025-05-07  7:21   ` [PATCH v5 3/6] builtin/gc: move pruning of worktrees into a separate function Patrick Steinhardt
2025-05-07  7:21   ` [PATCH v5 4/6] builtin/maintenance: introduce "worktree-prune" task Patrick Steinhardt
2025-05-07  7:21   ` [PATCH v5 5/6] builtin/gc: move rerere garbage collection into separate function Patrick Steinhardt
2025-05-07  7:21   ` [PATCH v5 6/6] builtin/maintenance: introduce "rerere-gc" task Patrick Steinhardt

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