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From: Jeff King <peff@peff.net>
To: Michael Haggerty <mhagger@alum.mit.edu>
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"Stefan Beller" <sbeller@google.com>,
	"Ronnie Sahlberg" <ronniesahlberg@gmail.com>,
	"Jonathan Nieder" <jrnieder@gmail.com>,
	"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
	git@vger.kernel.org
Subject: Re: [PATCH 6/8] reflog_expire(): ignore --updateref for symbolic references
Date: Thu, 12 Feb 2015 16:54:21 -0500	[thread overview]
Message-ID: <20150212215421.GA19618@peff.net> (raw)
In-Reply-To: <1423473164-6011-7-git-send-email-mhagger@alum.mit.edu>

On Mon, Feb 09, 2015 at 10:12:42AM +0100, Michael Haggerty wrote:

>  	if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
> +		/*
> +		 * It doesn't make sense to adjust a reference pointed
> +		 * to by a symbolic ref based on expiring entries in
> +		 * the symbolic reference's reflog.
> +		 */
> +		int update = (flags & EXPIRE_REFLOGS_UPDATE_REF) &&
> +			~(type & REF_ISSYMREF);
> +

Isn't this second clause tautological? Unless REF_ISSYMREF covers all
bits in "type", then "type & REF_ISSYMREF" must always have at least one
bit 0, and negating it becomes non-zero. Did you mean:

   !(type & REF_ISSYMREF)

?

-Peff

  parent reply	other threads:[~2015-02-12 21:54 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-09  9:12 [PATCH 0/8] Fix some problems with reflog expiration Michael Haggerty
2015-02-09  9:12 ` [PATCH 1/8] write_ref_sha1(): remove check for lock == NULL Michael Haggerty
2015-02-10 22:52   ` Stefan Beller
2015-02-11  0:06     ` Jeff King
2015-02-09  9:12 ` [PATCH 2/8] write_ref_sha1(): Move write elision test to callers Michael Haggerty
2015-02-12 19:58   ` Junio C Hamano
2015-02-09  9:12 ` [PATCH 3/8] lock_ref_sha1_basic(): do not set force_write for missing references Michael Haggerty
2015-02-10 23:24   ` Stefan Beller
2015-02-11  0:05     ` Jeff King
2015-02-11  0:07       ` Stefan Beller
2015-02-12 12:09       ` Michael Haggerty
2015-02-09  9:12 ` [PATCH 4/8] reflog: fix documentation Michael Haggerty
2015-02-10 23:25   ` Stefan Beller
2015-02-09  9:12 ` [PATCH 5/8] reflog: rearrange the manpage Michael Haggerty
2015-02-10 23:42   ` Stefan Beller
2015-02-12 15:17     ` Michael Haggerty
2015-02-12 20:09       ` Junio C Hamano
2015-02-09  9:12 ` [PATCH 6/8] reflog_expire(): ignore --updateref for symbolic references Michael Haggerty
2015-02-11  0:44   ` Stefan Beller
2015-02-12 16:08     ` Michael Haggerty
2015-02-12 17:04       ` Stefan Beller
2015-02-12 20:16       ` Junio C Hamano
2015-02-12 21:54   ` Jeff King [this message]
2015-02-13 14:34     ` Michael Haggerty
2015-02-09  9:12 ` [PATCH 7/8] reflog_expire(): never update a reference to null_sha1 Michael Haggerty
2015-02-09 20:55   ` Eric Sunshine
2015-02-12 11:51     ` Michael Haggerty
2015-02-09  9:12 ` [PATCH 8/8] reflog_expire(): lock symbolic refs themselves, not their referent Michael Haggerty
2015-02-11  0:49   ` Stefan Beller
2015-02-11 22:49     ` Junio C Hamano
2015-02-11 23:25       ` Stefan Beller
2015-02-12 16:52         ` Michael Haggerty
2015-02-12 18:04           ` Stefan Beller
2015-02-13 16:26             ` Michael Haggerty
2015-02-13 17:16               ` Stefan Beller
2015-02-13 18:05               ` Junio C Hamano
2015-02-13 18:21                 ` Stefan Beller
2015-02-13 18:26                   ` Junio C Hamano
2015-02-13 18:32                     ` Stefan Beller
2015-02-13 19:12                       ` Junio C Hamano
2015-02-13 20:11                         ` Michael Haggerty
2015-02-13 21:53                           ` Junio C Hamano
2015-02-14  5:58                             ` Michael Haggerty
2015-02-09 18:57 ` [PATCH 0/8] Fix some problems with reflog expiration Stefan Beller
2015-02-10 23:12 ` [PATCH] refs.c: get rid of force_write flag Stefan Beller
2015-02-12 15:35   ` Michael Haggerty

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