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From: Junio C Hamano <gitster@pobox•com>
To: Dave Borowitz <dborowitz@google•com>
Cc: git@vger•kernel.org
Subject: Re: [PATCH 3/7] pack-protocol.txt: Mark all LFs in push-cert as required
Date: Wed, 01 Jul 2015 13:39:49 -0700	[thread overview]
Message-ID: <xmqq4mln8ve2.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <xmqq8uaz8vjb.fsf@gitster.dls.corp.google.com> (Junio C. Hamano's message of "Wed, 01 Jul 2015 13:36:40 -0700")

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

>> I am moderately negative about this; wouldn't it make the end result
>> cleaner to fix the implementation?
>
> I think that something like this should be sufficient.  As the
> receiving end, we must not complain if there is no terminator.
> ...

And the change we are *not* going to make, but I made temporarily
only for testing, on the sending side to violate our "sender SHOULD
terminate with LF" rule would look like this:

There is a slight complication on sending an empty line without any
termination, though ;-)  The reader that calls packet_read() cannot
tell such a payload from a flush packet, I think.

*That* may be something we want to document.

diff --git a/send-pack.c b/send-pack.c
index 2a64fec..1a743db 100644
--- a/send-pack.c
+++ b/send-pack.c
@@ -273,9 +273,11 @@ static int generate_push_cert(struct strbuf *req_buf,
 
 	packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string);
 	for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) {
+		int len;
 		np = next_line(cp, cert.buf + cert.len - cp);
+		len = (np <= cp + 1) ? 1 : (np - cp - 1);
 		packet_buf_write(req_buf,
-				 "%.*s", (int)(np - cp), cp);
+				 "%.*s", len, cp);
 	}
 	packet_buf_write(req_buf, "push-cert-end\n");
 

  reply	other threads:[~2015-07-01 20:39 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-01 18:08 [PATCH 0/7] Clarify signed push protocol documentation Dave Borowitz
2015-07-01 18:08 ` [PATCH 1/7] pack-protocol.txt: Add warning about protocol inaccuracies Dave Borowitz
2015-07-01 19:39   ` Jonathan Nieder
2015-07-01 19:52     ` Junio C Hamano
2015-07-01 19:56     ` Dave Borowitz
2015-07-01 18:08 ` [PATCH 2/7] pack-protocol.txt: Mark LF in command-list as optional Dave Borowitz
2015-07-01 18:21   ` Stefan Beller
2015-07-01 18:46     ` Dave Borowitz
2015-07-01 18:08 ` [PATCH 3/7] pack-protocol.txt: Mark all LFs in push-cert as required Dave Borowitz
2015-07-01 20:00   ` Junio C Hamano
2015-07-01 20:07     ` Dave Borowitz
2015-07-01 20:49       ` Junio C Hamano
2015-07-06 14:46         ` Dave Borowitz
2015-07-06 15:22           ` Dave Borowitz
2015-07-06 15:27             ` Dave Borowitz
2015-07-06 15:29               ` Dave Borowitz
2015-07-06 15:35             ` Dave Borowitz
2015-07-06 16:12             ` Junio C Hamano
2015-07-06 15:46         ` Shawn Pearce
2015-07-06 16:28           ` Junio C Hamano
2015-07-06 16:28           ` Junio C Hamano
2015-07-06 16:38             ` Dave Borowitz
2015-07-06 16:57               ` Junio C Hamano
2015-07-06 17:11                 ` Dave Borowitz
2015-07-06 17:18                   ` Dave Borowitz
2015-07-06 17:34                     ` Junio C Hamano
2015-07-06 17:38                       ` Dave Borowitz
2015-07-06 18:06                         ` Junio C Hamano
2015-07-06 18:08                           ` Dave Borowitz
2015-07-06 18:23                           ` Junio C Hamano
2015-07-06 17:30                   ` Junio C Hamano
2015-07-06 17:35                     ` Dave Borowitz
2015-07-06 17:59                       ` Junio C Hamano
2015-07-01 20:36     ` Junio C Hamano
2015-07-01 20:39       ` Junio C Hamano [this message]
2015-07-02 13:53         ` Jeff King
2015-07-03 17:45           ` Junio C Hamano
2015-07-03 18:07             ` Jeff King
2015-07-03 18:43               ` Shawn Pearce
2015-07-03 18:46                 ` Jeff King
2015-07-01 18:08 ` [PATCH 4/7] pack-protocol.txt: Elaborate on pusher identity Dave Borowitz
2015-07-01 18:58   ` Junio C Hamano
2015-07-01 18:08 ` [PATCH 5/7] pack-protocol.txt: Be more precise about pusher-key relationship Dave Borowitz
2015-07-01 18:08 ` [PATCH 6/7] pack-protocol.txt: Mark pushee field as optional Dave Borowitz
2015-07-01 18:56   ` Junio C Hamano
2015-07-01 19:06     ` Dave Borowitz
2015-07-01 19:07     ` Junio C Hamano
2015-07-01 19:08       ` Junio C Hamano
2015-07-01 19:31       ` Dave Borowitz
2015-07-01 18:08 ` [PATCH 7/7] send-pack.c: Die if the nonce is empty Dave Borowitz

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