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From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: Duy Nguyen <pclouds@gmail.com>
Cc: "Git Mailing List" <git@vger.kernel.org>,
	"Jeff King" <peff@peff.net>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"Junio C Hamano" <gitster@pobox.com>,
	"Johannes Sixt" <j6t@kdbg.org>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Phillip Wood" <phillip.wood123@gmail.com>,
	"Jonathan Nieder" <jrnieder@gmail.com>
Subject: Re: [PATCH v2 1/7] run-command: add preliminary support for multiple hooks
Date: Wed, 15 May 2019 22:27:56 +0000	[thread overview]
Message-ID: <20190515222756.GJ7458@genre.crustytoothpaste.net> (raw)
In-Reply-To: <CACsJy8Ba98baQ2wZnMZyEva6gxO1ROZ4qJFTOdrCUXDMwrHnXA@mail.gmail.com>

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On Tue, May 14, 2019 at 07:46:17PM +0700, Duy Nguyen wrote:
> On Tue, May 14, 2019 at 7:24 AM brian m. carlson
> <sandals@crustytoothpaste.net> wrote:
> > -       argv_array_push(&hook.args, p);
> > -       while ((p = va_arg(args, const char *)))
> > -               argv_array_push(&hook.args, p);
> > -       hook.env = env;
> > +       strbuf_reset(&path);
> > +       strbuf_git_path(&path, "hooks/%s.d", name);
> > +       d = opendir(path.buf);
> > +       if (!d) {
> > +               if (list)
> > +                       string_list_clear(list, 0);
> > +               return 0;
> > +       }
> > +       while ((de = readdir(d))) {
> > +               if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
> > +                       continue;
> > +               strbuf_reset(&path);
> > +               strbuf_git_path(&path, "hooks/%s.d/%s", name, de->d_name);
> > +               if (has_hook(&path, 0, X_OK)) {
> 
> Do we want to support hooks in subdirectories as well (if so, using
> dir-iterator.h might be more appropriate)

No, I don't think so. That's not what most other software does, and I
don't really think recursive behavior provides a lot of value.

> If not, what happens when "path" is a directory. X_OK could be set
> (and often are) on them too.

We get an exec failure when trying to run it, just like if you create a
directory in place of the existing hook now. I think that's a fine
behavior.

> > +                       if (list)
> > +                               string_list_append(list, path.buf);
> > +                       else
> > +                               return 1;
> > +               }
> > +       }
> > +       closedir(d);
> > +       strbuf_reset(&path);
> > +       if (!list->nr) {
> > +               return 0;
> > +       }
> > +
> > +       string_list_sort(list);
> 
> This is going to be interesting on case-insensitive filesystems
> because we do strcmp by default, not the friendlier fspathcmp. And the
> ".exe" suffix might affect sort order too.
> 
> But I suppose we just need to be clear here (in documentation). They
> can always prefix with a number to keep hook files in expected order.

Numbering is definitely the way I'd go on a case-insensitive file
system. Also, I don't think the ".exe" will be a problem in practice,
since generally you'd have to have a mix of binary and non-binary hooks,
which is unlikely to be super common.

> > diff --git a/run-command.h b/run-command.h
> > index a6950691c0..1b3677fcac 100644
> > --- a/run-command.h
> > +++ b/run-command.h
> > @@ -4,6 +4,7 @@
> >  #include "thread-utils.h"
> >
> >  #include "argv-array.h"
> > +#include "string-list.h"
> 
> 'struct string_list;' should be enough (and a bit lighter) although I
> don't suppose it really matters.

I can make that change.
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204

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  reply	other threads:[~2019-05-15 22:28 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-14  0:23 [PATCH v2 0/7] Multiple hook support brian m. carlson
2019-05-14  0:23 ` [PATCH v2 1/7] run-command: add preliminary support for multiple hooks brian m. carlson
2019-05-14 12:46   ` Duy Nguyen
2019-05-15 22:27     ` brian m. carlson [this message]
2019-05-29  2:18       ` brian m. carlson
2019-05-14 15:12   ` Johannes Schindelin
2019-05-15 22:44     ` brian m. carlson
2019-05-16 19:11       ` Johannes Sixt
2019-05-17 20:31         ` Johannes Schindelin
2019-05-14  0:23 ` [PATCH v2 2/7] builtin/receive-pack: add " brian m. carlson
2019-05-14  0:23 ` [PATCH v2 3/7] rebase: " brian m. carlson
2019-05-14 12:56   ` Duy Nguyen
2019-05-14 17:58     ` Johannes Sixt
2019-05-15 22:55     ` brian m. carlson
2019-05-16 10:29       ` Duy Nguyen
2019-05-14  0:23 ` [PATCH v2 3/7] sequencer: " brian m. carlson
2019-05-14  0:23 ` [PATCH v2 4/7] builtin/worktree: add support for multiple post-checkout hooks brian m. carlson
2019-05-14  0:23 ` [PATCH v2 5/7] transport: add support for multiple pre-push hooks brian m. carlson
2019-05-14  0:23 ` [PATCH v2 6/7] config: allow configuration of multiple hook error behavior brian m. carlson
2019-05-14 13:20   ` Duy Nguyen
2019-05-15 23:10     ` brian m. carlson
2019-05-16  5:08       ` Jeff King
2019-05-16  5:02   ` Jeff King
2019-05-16 17:19     ` brian m. carlson
2019-05-16 21:52       ` Jeff King
2019-05-14  0:23 ` [PATCH v2 7/7] docs: document multiple hooks brian m. carlson
2019-05-14 13:38   ` Duy Nguyen
2019-05-14  0:51 ` [PATCH v2 0/7] Multiple hook support Jonathan Nieder
2019-05-14  1:59   ` brian m. carlson
2019-05-14  2:26     ` Jonathan Nieder
2019-05-16  0:42       ` brian m. carlson
2019-05-16  0:51         ` Jonathan Nieder
2019-05-16  4:51     ` Jeff King
2019-05-14 13:30 ` Duy Nguyen

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