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From: Junio C Hamano <gitster@pobox•com>
To: Jeff King <peff@peff•net>
Cc: Jacob Keller <jacob.e.keller@intel•com>, git@vger•kernel.org
Subject: Re: [PATCH v2] tag: support configuring --sort via .gitconfig
Date: Thu, 10 Jul 2014 10:59:36 -0700	[thread overview]
Message-ID: <xmqqa98h8587.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <20140710040731.GD28401@sigill.intra.peff.net> (Jeff King's message of "Thu, 10 Jul 2014 00:07:32 -0400")

Jeff King <peff@peff•net> writes:

> I know this is existing code you are moving, but I noticed it looks ripe
> for using skip_prefix. Perhaps while we are in the area we should do the
> following on top of your patch (I'd also be happy for it be squashed
> in, but that may be too much in one patch).

I am tempted to suggest going the other way around, i.e. queue (an
equivalent of) this on jk/skip-prefix and merge it to 'next' and
then 'master' quickly.

I can go either way, but I tend to prefer building new things on top
of obviously correct clean-up, not the other way around.

> -- >8 --
> Subject: [PATCH] tag: use skip_prefix instead of magic numbers
>
> We can make the parsing of the --sort parameter a bit more
> readable by having skip_prefix keep our pointer up to date.
>
> Signed-off-by: Jeff King <peff@peff•net>


 builtin/tag.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/builtin/tag.c b/builtin/tag.c
index c6e8a71..1101c19 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -524,18 +524,14 @@ static int parse_opt_sort(const struct option *opt, const char *arg, int unset)
 	int *sort = opt->value;
 	int flags = 0;
 
-	if (*arg == '-') {
+	if (skip_prefix(arg, "-", &arg))
 		flags |= REVERSE_SORT;
-		arg++;
-	}
-	if (starts_with(arg, "version:")) {
-		*sort = VERCMP_SORT;
-		arg += 8;
-	} else if (starts_with(arg, "v:")) {
+
+	if (skip_prefix(arg, "version:", &arg) || skip_prefix(arg, "v:", &arg))
 		*sort = VERCMP_SORT;
-		arg += 2;
-	} else
+	else
 		*sort = STRCMP_SORT;
+
 	if (strcmp(arg, "refname"))
 		die(_("unsupported sort specification %s"), arg);
 	*sort |= flags;

  reply	other threads:[~2014-07-10 17:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-09 22:36 [PATCH v2] tag: support configuring --sort via .gitconfig Jacob Keller
2014-07-10  4:00 ` Jeff King
2014-07-10  4:07 ` Jeff King
2014-07-10 17:59   ` Junio C Hamano [this message]
2014-07-10 19:34     ` Jeff King
2014-07-10 21:50       ` Keller, Jacob E
2014-07-10 22:46         ` Junio C Hamano
2014-07-10 20:38   ` Keller, Jacob E

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