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From: Jonathan Nieder <jrnieder@gmail.com>
To: Ramkumar Ramachandra <artagnon@gmail.com>
Cc: Git List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>,
	Christian Couder <chriscool@tuxfamily.org>,
	Daniel Barkalow <barkalow@iabervon.org>
Subject: Re: [PATCH 10/17] sequencer: Announce sequencer state location
Date: Tue, 12 Jul 2011 13:56:38 -0500	[thread overview]
Message-ID: <20110712185638.GA14909@elie> (raw)
In-Reply-To: <1310396048-24925-11-git-send-email-artagnon@gmail.com>

Ramkumar Ramachandra wrote:

> The plan to build a generic sequencer involves fist writing the
> functionality into builtin/revert.c (for cherry-pick and revert), and
> then factoring it out into sequencer.c and exposing it through
> sequencer.h as a nice API.  As a prelude to this, announce the
> location of the sequencer state in sequencer.h and write a function to
> remove it.

Wait, so what is the actual impact of this patch?

As far as I can tell, it is to introduce a remove_sequencer_state()
function whose eventual purpose would be to remove the .git/sequencer
directory used by "git cherry-pick" to record its progress.  Paraphrased,
the function does this:

	rm -fr "$GIT_DIR/sequencer-old"
	mv "$GIT_DIR/sequencer" "$GIT_DIR/sequencer-old"

This way, a person has one level of "undo" possible, assuming git
commands and scripts use the function carefully enough not to call it
twice.

Is the "undo" feature advertised anywhere?  Should this function write
a message to stderr to inform the operator about how to get back the
precious cherry-pick state?

If I were doing it, I'd squash this with the patch that introduces
"git cherry-pick --quit", to give an example of how the new function is
meant to be used (and tests!).

> --- /dev/null
> +++ b/sequencer.h
> @@ -0,0 +1,14 @@
[...]
> +/* Removes SEQ_OLD_DIR and renames SEQ_DIR to SEQ_OLD_DIR, ignoring
> + * any errors.  Intended to be used by 'git reset --hard'.
> + */
> +void remove_sequencer_state(void);

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=scripts/checkpatch.pl

  reply	other threads:[~2011-07-12 18:56 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-11 14:53 [GSoC update] Sequencer for inclusion Ramkumar Ramachandra
2011-07-11 14:53 ` [PATCH 01/17] advice: Introduce error_resolve_conflict Ramkumar Ramachandra
2011-07-11 14:53 ` [PATCH 02/17] revert: Inline add_message_to_msg function Ramkumar Ramachandra
2011-07-12 16:53   ` Jonathan Nieder
2011-07-13  6:00     ` Ramkumar Ramachandra
2011-07-13  6:42       ` Jonathan Nieder
2011-07-19 16:36         ` Ramkumar Ramachandra
2011-07-19 16:52           ` Junio C Hamano
2011-07-19 17:08             ` Ramkumar Ramachandra
2011-07-19 19:36           ` Jonathan Nieder
2011-07-20  5:32             ` Ramkumar Ramachandra
2011-07-11 14:53 ` [PATCH 03/17] revert: Don't check lone argument in get_encoding Ramkumar Ramachandra
2011-07-12 16:59   ` Jonathan Nieder
2011-07-13  6:14     ` Ramkumar Ramachandra
2011-07-13  6:30       ` Jonathan Nieder
2011-07-11 14:53 ` [PATCH 04/17] revert: Rename no_replay to record_origin Ramkumar Ramachandra
2011-07-12 17:02   ` Jonathan Nieder
2011-07-13  7:35     ` Ramkumar Ramachandra
2011-07-17 19:36       ` Jonathan Nieder
2011-07-11 14:53 ` [PATCH 05/17] revert: Propogate errors upwards from do_pick_commit Ramkumar Ramachandra
2011-07-12 17:32   ` Jonathan Nieder
2011-07-17 10:46     ` Ramkumar Ramachandra
2011-07-17 16:59       ` Jonathan Nieder
2011-07-19 10:09         ` Ramkumar Ramachandra
2011-07-11 14:53 ` [PATCH 06/17] revert: Eliminate global "commit" variable Ramkumar Ramachandra
2011-07-12 17:45   ` Jonathan Nieder
2011-07-13  6:57     ` Ramkumar Ramachandra
2011-07-13  7:10       ` Jonathan Nieder
2011-07-13  8:33         ` Ramkumar Ramachandra
2011-07-13 16:40           ` Jonathan Nieder
2011-07-11 14:53 ` [PATCH 07/17] revert: Introduce struct to keep command-line options Ramkumar Ramachandra
2011-07-12 18:05   ` Jonathan Nieder
2011-07-13  7:56     ` Ramkumar Ramachandra
2011-07-11 14:53 ` [PATCH 08/17] revert: Separate cmdline parsing from functional code Ramkumar Ramachandra
2011-07-12 18:20   ` Jonathan Nieder
2011-07-18 20:53     ` Ramkumar Ramachandra
2011-07-18 21:03       ` Jonathan Nieder
2011-07-11 14:54 ` [PATCH 09/17] revert: Don't create invalid replay_opts in parse_args Ramkumar Ramachandra
2011-07-11 20:44   ` Junio C Hamano
2011-07-12  5:57     ` Ramkumar Ramachandra
2011-07-12 18:29   ` Jonathan Nieder
2011-07-17 11:56     ` Ramkumar Ramachandra
2011-07-17 18:43       ` Jonathan Nieder
2011-07-11 14:54 ` [PATCH 10/17] sequencer: Announce sequencer state location Ramkumar Ramachandra
2011-07-12 18:56   ` Jonathan Nieder [this message]
2011-07-13 12:10     ` Sverre Rabbelier
2011-07-17 16:23       ` Ramkumar Ramachandra
2011-07-17 19:19         ` Jonathan Nieder
2011-07-18 19:44           ` Ramkumar Ramachandra
2011-07-11 14:54 ` [PATCH 11/17] revert: Save data for continuing after conflict resolution Ramkumar Ramachandra
2011-07-11 21:01   ` Junio C Hamano
2011-07-11 21:31     ` Junio C Hamano
2011-07-12  5:43     ` Ramkumar Ramachandra
2011-07-12 19:37   ` Jonathan Nieder
2011-07-17 11:48     ` Ramkumar Ramachandra
2011-07-17 18:40       ` Jonathan Nieder
2011-07-18 19:31         ` Ramkumar Ramachandra
2011-07-19 12:21           ` Jonathan Nieder
2011-07-19 12:34             ` Ramkumar Ramachandra
2011-07-11 14:54 ` [PATCH 12/17] revert: Save command-line options for continuing operation Ramkumar Ramachandra
2011-07-11 21:15   ` Junio C Hamano
2011-07-12  5:56     ` Ramkumar Ramachandra
2011-07-12 19:52   ` Jonathan Nieder
2011-07-18 20:18     ` Ramkumar Ramachandra
2011-07-11 14:54 ` [PATCH 13/17] revert: Introduce a layer of indirection over pick_commits Ramkumar Ramachandra
2011-07-12 20:03   ` Jonathan Nieder
2011-07-18 21:24     ` Ramkumar Ramachandra
2011-07-11 14:54 ` [PATCH 14/17] reset: Make hard reset remove the sequencer state Ramkumar Ramachandra
2011-07-12 20:15   ` Jonathan Nieder
2011-07-17 16:40     ` Ramkumar Ramachandra
2011-07-11 14:54 ` [PATCH 15/17] revert: Remove sequencer state when no commits are pending Ramkumar Ramachandra
2011-07-11 19:58   ` Junio C Hamano
2011-07-12  6:26     ` Ramkumar Ramachandra
2011-07-11 14:54 ` [PATCH 16/17] revert: Introduce --reset to remove sequencer state Ramkumar Ramachandra
2011-07-12 20:30   ` Jonathan Nieder
2011-07-17 17:10     ` Ramkumar Ramachandra
2011-07-17 19:25       ` Jonathan Nieder
2011-07-11 14:54 ` [PATCH 17/17] revert: Introduce --continue to continue the operation Ramkumar Ramachandra
2011-07-12 20:46   ` Jonathan Nieder
2011-07-17 16:11     ` Ramkumar Ramachandra
2011-07-17 18:32       ` Jonathan Nieder
2011-07-18 20:00         ` Ramkumar Ramachandra
2011-07-18 20:09           ` Jonathan Nieder
2011-07-11 17:17 ` [GSoC update] Sequencer for inclusion Jonathan Nieder
2011-07-11 17:57   ` Ramkumar Ramachandra
2011-07-11 20:05     ` Ramkumar Ramachandra
2011-07-11 20:11     ` Jonathan Nieder
2011-07-12  7:05     ` Ramkumar Ramachandra
2011-07-11 20:07   ` Junio C Hamano
2011-07-11 22:14     ` Jeff King
2011-07-12  6:41       ` Ramkumar Ramachandra
2011-07-12  6:47         ` Jeff King
2011-07-13  9:41           ` Ramkumar Ramachandra
2011-07-13 19:07             ` Jeff King
2011-07-18 21:37               ` [RFC PATCH] config: Introduce functions to write non-standard file Ramkumar Ramachandra
2011-07-18 23:54                 ` Junio C Hamano
2011-07-19  8:52                   ` Ramkumar Ramachandra
2011-07-12  5:58     ` [GSoC update] Sequencer for inclusion Jonathan Nieder
2011-07-12  6:28   ` Miles Bader

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