git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Johannes Sixt <j6t@kdbg.org>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 7/7] push: document --lockref
Date: Fri, 12 Jul 2013 22:00:30 +0200	[thread overview]
Message-ID: <51E0605E.9020902@kdbg.org> (raw)
In-Reply-To: <7vli5bllsd.fsf@alter.siamese.dyndns.org>

Am 12.07.2013 19:40, schrieb Junio C Hamano:
> Johannes Sixt <j6t@kdbg.org> writes:
> 
>> Am 12.07.2013 00:14, schrieb Junio C Hamano:
>>> Johannes Sixt <j6t@kdbg.org> writes:
>>>
>>>> Again: Why not just define +refspec as the way to achieve this check?
>>>
>>> What justification do we have to break existing people's
>>> configuration that says something like:
>>>
>>> 	[remote "ko"]
>>> 		url = kernel.org:/pub/scm/git/git.git
>>>                 push = master
>>>                 push = next
>>>                 push = +pu
>>>                 push = maint
>>>
>>> by adding a _new_ requirement they may not be able to satisify?
>>> Notice that the above is a typical "push only" publishing point,
>>> where you do not need any remote tracking branches.
>>
>> Why would it break? When you do not specify --lockref, there is no
>> change whatsoever.
> 
> I thought your suggestion "Why not just define +pu as the way to
> achieve _THIS_ check?" was to make +pu to mean
> 
> 	git push ko --lockref pu
> 
> which would mean "check refs/remotes/ko/pu and make sure the remote
> side still is at that commit".
> 
> If that is not what you meant, please clarify what _THIS_ is.

We have three independent options that the user can choose in any
combination:

 o --force given or not;

 o --lockref semantics enabled or not;

 o refspec with or without +;

and these two orthogonal preconditions of the push

 o push is fast-forward or it is not ("ff", "noff");

 o the branch at the remote is at the expected rev or it is not
   ("match", "mismatch").

Here is a table with the expected outcome. "ok" means that the push is
allowed(*), "fail" means that the push is denied. (Four more lines with
--force are omitted because they have "ok" in all spots.)

                       ff   noff     ff      noff
                      match match mismatch mismatch

--lockref +refspec     ok    ok    denied   denied
--lockref  refspec     ok  denied  denied   denied
          +refspec     ok    ok      ok       ok
           refspec     ok  denied    ok     denied

Notice that without --lockref semantics enabled, +refspec and refspec
keep the current behavior.

(*) As we are talking only about the client-side of the push here, I'm
saying "allowed" instead of "succeeds" because the server can have
additional restrictions that can make the push fail.

-- Hannes

  reply	other threads:[~2013-07-12 20:00 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-02 20:57 [RFD] Making "git push [--force/--delete]" safer? Junio C Hamano
2013-07-02 22:55 ` Johan Herland
2013-07-03  6:34   ` Johan Herland
2013-07-03  8:49     ` Junio C Hamano
2013-07-03 10:00       ` Johan Herland
2013-07-03 10:06         ` Jonathan del Strother
2013-07-03 10:11           ` Johan Herland
2013-07-03 10:50             ` Michael Haggerty
2013-07-03 12:06               ` Johannes Sixt
2013-07-03 19:53                 ` Junio C Hamano
2013-07-04  5:37                   ` Johannes Sixt
2013-07-04  5:46                     ` Junio C Hamano
2013-07-03 19:50           ` Junio C Hamano
2013-07-03 20:18             ` Junio C Hamano
2013-07-03 19:48         ` Junio C Hamano
2013-07-09 19:53 ` [PATCH 0/7] safer "push --force" with compare-and-swap Junio C Hamano
2013-07-09 19:53   ` [PATCH 1/7] cache.h: move remote/connect API out of it Junio C Hamano
2013-07-09 19:53   ` [PATCH 2/7] builtin/push.c: use OPT_BOOL, not OPT_BOOLEAN Junio C Hamano
2013-07-09 19:53   ` [PATCH 3/7] push: beginning of compare-and-swap "force/delete safety" Junio C Hamano
2013-07-09 19:53   ` [PATCH 4/7] remote.c: add command line option parser for --lockref Junio C Hamano
2013-07-16 22:13     ` John Keeping
2013-07-17 17:06       ` Junio C Hamano
2013-07-17 17:09       ` Junio C Hamano
2013-07-09 19:53   ` [PATCH 5/7] push --lockref: implement logic to populate old_sha1_expect[] Junio C Hamano
2013-07-09 19:53   ` [PATCH 6/7] t5533: test "push --lockref" Junio C Hamano
2013-07-09 19:53   ` [PATCH 7/7] push: document --lockref Junio C Hamano
2013-07-09 20:17     ` Aaron Schrab
2013-07-09 20:39       ` Junio C Hamano
2013-07-09 20:24     ` Johannes Sixt
2013-07-09 20:37       ` Junio C Hamano
2013-07-09 20:55         ` Johannes Sixt
2013-07-09 22:09           ` Junio C Hamano
2013-07-09 23:08             ` Junio C Hamano
2013-07-11 21:10               ` Johannes Sixt
2013-07-11 21:57                 ` Junio C Hamano
2013-07-11 22:14                 ` Junio C Hamano
2013-07-12 17:21                   ` Johannes Sixt
2013-07-12 17:40                     ` Junio C Hamano
2013-07-12 20:00                       ` Johannes Sixt [this message]
2013-07-12 21:19                         ` Junio C Hamano
2013-07-13  6:52                           ` Johannes Sixt
2013-07-13 18:14                             ` Junio C Hamano
2013-07-13 20:08                               ` Junio C Hamano
2013-07-13 21:11                                 ` Johannes Sixt
2013-07-14 14:28                                 ` John Keeping
2013-07-13 20:17                               ` Johannes Sixt
2013-07-14 19:17                                 ` Junio C Hamano
2013-07-14 20:21                                   ` Johannes Sixt
2013-07-14 20:34                                     ` Jonathan Nieder
2013-07-14 20:49                                       ` Jonathan Nieder
2013-07-14 20:59                                       ` Johannes Sixt
2013-07-14 21:28                                         ` Jonathan Nieder
2013-07-15  4:10                                           ` Junio C Hamano
2013-07-15  4:44                                             ` Jonathan Nieder
2013-07-15 15:37                                               ` Junio C Hamano
2013-07-15 20:30                                         ` Johannes Sixt
2013-07-15  3:50                                     ` Junio C Hamano
2013-07-15 15:47                                       ` Default expectation of --lockref Junio C Hamano
2013-07-15 20:27                                       ` [PATCH 7/7] push: document --lockref Johannes Sixt
2013-07-09 21:37         ` Marc Branchaud
2013-07-09 20:27     ` Michael Haggerty
2013-07-09 20:42       ` Junio C Hamano

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=51E0605E.9020902@kdbg.org \
    --to=j6t@kdbg.org \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).