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From: Junio C Hamano <gitster@pobox.com>
To: "Kyle J. McKay" <mackyle@gmail.com>
Cc: Jeff King <peff@peff.net>, Git mailing list <git@vger.kernel.org>
Subject: Re: Bug in fetch-pack.c, please confirm
Date: Sun, 15 Mar 2015 00:30:06 -0700	[thread overview]
Message-ID: <xmqq3856vhtt.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <xmqqa8zevhya.fsf@gitster.dls.corp.google.com> (Junio C. Hamano's message of "Sun, 15 Mar 2015 00:27:25 -0700")

Junio C Hamano <gitster@pobox.com> writes:

> "Kyle J. McKay" <mackyle@gmail.com> writes:
>
>> Hi guys,
>>
>> So I was looking at fetch-pack.c (from master @ 52cae643, but I think  
>> it's the same everywhere):
>>
> ...
>> -		hashcpy(ref->new_sha1, local);
>> +		hashcpy(ref->new_sha1, o->sha1);
>>  		if (!args->verbose)
>>  			continue;
>>  		fprintf(stderr,
>>  			"already have %s (%s)\n", sha1_to_hex(remote),
>>  			ref->name);
>>  	}
>>  	return retval;
>> ---

One thing I wonder is if this hashcpy() is doing anything useful,
though.  Is ref->new_sha1 used after we are done in this codepath,
or is the reason nobody noticed it is because it does not matter
whatever garbage is in that field nobody looks at it?

  reply	other threads:[~2015-03-15  7:30 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-15  6:37 Bug in fetch-pack.c, please confirm Kyle J. McKay
2015-03-15  7:27 ` Junio C Hamano
2015-03-15  7:30   ` Junio C Hamano [this message]
2015-03-15 22:21     ` Kyle J. McKay
2015-03-16  1:13 ` Jeff King
2015-03-19 17:41   ` Junio C Hamano
2015-03-19 18:55     ` Jeff King
2015-03-19 19:01       ` Junio C Hamano
2015-03-19 20:31         ` Jeff King
2015-03-19 20:34           ` [PATCH 1/4] filter_ref: avoid overwriting ref->old_sha1 with garbage Jeff King
2015-03-19 21:09             ` Junio C Hamano
2015-03-19 20:37           ` [PATCH 2/4] filter_ref: make a copy of extra "sought" entries Jeff King
2015-03-19 20:38           ` [PATCH 3/4] fetch_refs_via_pack: free extra copy of refs Jeff King
2015-03-19 20:39           ` [PATCH 4/4] fetch-pack: remove dead assignment to ref->new_sha1 Jeff King

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