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From: Junio C Hamano <gitster@pobox.com>
To: Thomas Rast <trast@student.ethz.ch>
Cc: <git@vger.kernel.org>, Johannes Sixt <j6t@kdbg.org>,
	Johan Herland <johan@herland.net>
Subject: Re: [RFC PATCH v2 07/11] notes: implement helpers needed for note copying during rewrite
Date: Tue, 16 Feb 2010 16:18:40 -0800	[thread overview]
Message-ID: <7v7hqcww7z.fsf@alter.siamese.dyndns.org> (raw)
In-Reply-To: <201002170109.25211.trast@student.ethz.ch> (Thomas Rast's message of "Wed\, 17 Feb 2010 01\:09\:24 +0100")

Thomas Rast <trast@student.ethz.ch> writes:

> I believe the code in this patch is fairly well-prepared to deal with
> it.  It would merely need to learn to store a list of trees in the
> notes_rewrite_cfg, provided that it's ok to load them all
> simultaneously.

I was mentally handwaving to myself that all will be well in the end ;-)
but thought that it would never hurt to ask if you have thought things
through.

> However, I haven't really thought about having several notes trees.
> Is this automatic copying the only operation that needs this feature,
> or were you thinking of others too?

I was envisioning that most of the time people would want to read from
(and probably concatenate, or output with the origin information tagged in)
multiple notes but want to create into a single one.  But updating for
rewritten commits fundamentally need to happen in all of these multiple
notes trees they would want to read from.

For example, if I have amlog notes to record the message-id of the
original message I ran "am" to queue people's patches, I would want to
carry that even after I make typofixes in the commit log message or in the
code using "commit --amend".  If you have buildlog notes to record the
output from continuously running build-test-bot, you probably do not want
these notes to get carried forward when you rebase a branch.

In "log --show-notes=amlog --show-notes=buildlog" output, we will see
notes from both amlog and buildlog in the original history, but only the
notes from amlog will be shown in the rebased history.

  reply	other threads:[~2010-02-17  0:19 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-14 16:17 [RFC PATCH 0/6] post-rewrite hook and copying notes Thomas Rast
2010-02-14 16:17 ` [RFC PATCH 1/6] Documentation: document post-rewrite hook Thomas Rast
2010-02-14 16:17 ` [RFC PATCH 2/6] commit --amend: invoke " Thomas Rast
2010-02-14 16:17 ` [RFC PATCH 3/6] filter-branch: " Thomas Rast
2010-02-15 20:36   ` Johannes Sixt
2010-02-14 16:17 ` [RFC PATCH 4/6] rebase: " Thomas Rast
2010-02-14 16:17 ` [RFC PATCH 5/6] rebase -i: " Thomas Rast
2010-02-14 16:17 ` [RFC PATCH 6/6] contrib: add a hook that copies notes over rewrites Thomas Rast
2010-02-14 16:21   ` Thomas Rast
2010-02-14 21:46 ` [PATCH] WIP: git notes copy --stdin Thomas Rast
2010-02-15  1:25   ` Johan Herland
2010-02-16 23:25 ` [RFC PATCH v2 00/11] post-rewrite / automatic notes copying Thomas Rast
2010-02-16 23:25   ` [RFC PATCH v2 01/11] Documentation: document post-rewrite hook Thomas Rast
2010-02-16 23:59     ` Junio C Hamano
2010-02-17  0:18       ` Thomas Rast
2010-02-17  0:29         ` Junio C Hamano
2010-02-16 23:25   ` [RFC PATCH v2 02/11] commit --amend: invoke " Thomas Rast
2010-02-16 23:25   ` [RFC PATCH v2 03/11] rebase: " Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 04/11] rebase -i: " Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 05/11] notes: clean up t3301 Thomas Rast
2010-02-16 23:52     ` Junio C Hamano
2010-02-16 23:26   ` [RFC PATCH v2 06/11] notes: implement 'git notes copy --stdin' Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 07/11] notes: implement helpers needed for note copying during rewrite Thomas Rast
2010-02-16 23:58     ` Junio C Hamano
2010-02-17  0:09       ` Thomas Rast
2010-02-17  0:18         ` Junio C Hamano [this message]
2010-02-20 14:58           ` [WIP/RFC PATCH] Support showing notes from more than one notes tree Thomas Rast
2010-02-20 15:23             ` Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 08/11] rebase: support automatic notes copying Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 09/11] commit --amend: copy notes to the new commit Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 10/11] filter-branch: invoke post-rewrite hook Thomas Rast
2010-02-16 23:26   ` [RFC PATCH v2 11/11] filter-branch: learn how to filter notes Thomas Rast
2010-02-17 19:59     ` Johannes Sixt
2010-02-17 23:06       ` Thomas Rast
2010-02-20 22:16   ` [RFC PATCH v3 00/12] several notes refs, post-rewrite, notes rewriting Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 01/12] Support showing notes from more than one notes tree Thomas Rast
2010-02-21  3:06       ` Junio C Hamano
2010-02-20 22:16     ` [RFC PATCH v3 02/12] Documentation: document post-rewrite hook Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 03/12] commit --amend: invoke " Thomas Rast
2010-02-21  3:12       ` Junio C Hamano
2010-02-20 22:16     ` [RFC PATCH v3 04/12] rebase: " Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 05/12] rebase -i: " Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 06/12] notes: implement 'git notes copy --stdin' Thomas Rast
2010-02-21  3:31       ` Junio C Hamano
2010-02-20 22:16     ` [RFC PATCH v3 07/12] notes: implement helpers needed for note copying during rewrite Thomas Rast
2010-02-21  3:34       ` Junio C Hamano
2010-02-20 22:16     ` [RFC PATCH v3 08/12] rebase: support automatic notes copying Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 09/12] commit --amend: copy notes to the new commit Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 10/12] filter-branch: invoke post-rewrite hook Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 11/12] filter-branch: learn how to filter notes Thomas Rast
2010-02-20 22:16     ` [RFC PATCH v3 12/12] notes: add shorthand --ref to override GIT_NOTES_REF Thomas Rast
2010-02-21  3:47     ` [RFC PATCH v3 00/12] several notes refs, post-rewrite, notes rewriting Junio C Hamano
2010-02-21  6:14       ` Thomas Rast
2010-02-22  0:18         ` Junio C Hamano
2010-02-22  0:10     ` [PATCH v4 00/11] " Thomas Rast
2010-02-22  0:10       ` [PATCH v4 01/11] test-lib: unset GIT_NOTES_REF to stop it from influencing tests Thomas Rast
2010-02-22  0:10       ` [PATCH v4 02/11] Support showing notes from more than one notes tree Thomas Rast
2010-02-22 23:20         ` Junio C Hamano
2010-02-22 23:25           ` Thomas Rast
2010-02-23  0:21             ` Junio C Hamano
2010-02-22  0:10       ` [PATCH v4 03/11] Documentation: document post-rewrite hook Thomas Rast
2010-02-22  0:10       ` [PATCH v4 04/11] commit --amend: invoke " Thomas Rast
2010-02-22  0:10       ` [PATCH v4 05/11] rebase: " Thomas Rast
2010-02-22  0:10       ` [PATCH v4 06/11] rebase -i: " Thomas Rast
2010-02-22  0:10       ` [PATCH v4 07/11] notes: implement 'git notes copy --stdin' Thomas Rast
2010-02-22  0:10       ` [PATCH v4 08/11] notes: implement helpers needed for note copying during rewrite Thomas Rast
2010-02-22  0:10       ` [PATCH v4 09/11] rebase: support automatic notes copying Thomas Rast
2010-02-22  0:10       ` [PATCH v4 10/11] commit --amend: copy notes to the new commit Thomas Rast
2010-02-22  0:10       ` [PATCH v4 11/11] notes: add shorthand --ref to override GIT_NOTES_REF Thomas Rast
2010-02-22  0:25       ` [PATCH v4 00/11] several notes refs, post-rewrite, notes rewriting Junio C Hamano
2010-02-22  0:32         ` Thomas Rast
2010-02-23  0:42     ` [PATCH v5 " Thomas Rast
2010-02-23  0:42       ` [PATCH v5 01/11] test-lib: unset GIT_NOTES_REF to stop it from influencing tests Thomas Rast
2010-02-23  0:42       ` [PATCH v5 02/11] Support showing notes from more than one notes tree Thomas Rast
2010-02-23  1:47         ` Junio C Hamano
2010-02-23 17:10           ` Thomas Rast
2010-02-23 17:34             ` [PATCH] format-patch: learn to fill comment section of email from notes Thomas Rast
2010-02-23 17:34               ` [PATCH] BROKEN -- " Thomas Rast
2010-02-23 17:37                 ` Thomas Rast
2010-02-24  7:45                   ` Stephen Boyd
2010-02-23 21:56               ` [PATCH] " Junio C Hamano
2010-03-10 14:08               ` Thomas Rast
2010-02-23  0:42       ` [PATCH v5 03/11] Documentation: document post-rewrite hook Thomas Rast
2010-02-23  0:42       ` [PATCH v5 04/11] commit --amend: invoke " Thomas Rast
2010-02-23  0:42       ` [PATCH v5 05/11] rebase: " Thomas Rast
2010-02-23  0:42       ` [PATCH v5 06/11] rebase -i: " Thomas Rast
2010-02-24  6:15         ` Junio C Hamano
2010-02-23  0:42       ` [PATCH v5 07/11] notes: implement 'git notes copy --stdin' Thomas Rast
2010-02-23  0:42       ` [PATCH v5 08/11] notes: implement helpers needed for note copying during rewrite Thomas Rast
2010-02-23  0:42       ` [PATCH v5 09/11] rebase: support automatic notes copying Thomas Rast
2010-02-25  3:58         ` Junio C Hamano
2010-03-10 14:03           ` [PATCH v6 00/13] several notes refs, post-rewrite, notes rewriting Thomas Rast
2010-03-10 14:03             ` [PATCH v6 01/13] test-lib: unset GIT_NOTES_REF to stop it from influencing tests Thomas Rast
2010-03-11  8:55               ` Johan Herland
2010-03-10 14:03             ` [PATCH v6 02/13] Support showing notes from more than one notes tree Thomas Rast
2010-03-11 10:03               ` Johan Herland
2010-03-12 17:04                 ` [PATCH v7 00/13] tr/display-notes Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 01/13] test-lib: unset GIT_NOTES_REF to stop it from influencing tests Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 02/13] Support showing notes from more than one notes tree Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 03/13] Documentation: document post-rewrite hook Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 04/13] commit --amend: invoke " Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 05/13] rebase: " Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 06/13] rebase -i: " Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 07/13] notes: implement 'git notes copy --stdin' Thomas Rast
2010-06-14 23:40                     ` [PATCH] notes: Initialize variable to appease Sun Studio Ævar Arnfjörð Bjarmason
2010-06-19  4:52                       ` Junio C Hamano
2010-06-19 11:58                         ` Ævar Arnfjörð Bjarmason
2010-06-21 20:53                           ` Ramsay Jones
2010-03-12 17:04                   ` [PATCH v7 08/13] notes: implement helpers needed for note copying during rewrite Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 09/13] rebase: support automatic notes copying Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 10/13] commit --amend: copy notes to the new commit Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 11/13] notes: add shorthand --ref to override GIT_NOTES_REF Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 12/13] notes: track whether notes_trees were changed at all Thomas Rast
2010-03-12 17:04                   ` [PATCH v7 13/13] git-notes(1): add a section about the meaning of history Thomas Rast
2010-03-10 14:03             ` [PATCH v6 03/13] Documentation: document post-rewrite hook Thomas Rast
2010-03-10 14:05             ` [PATCH v6 04/13] commit --amend: invoke " Thomas Rast
2010-03-10 14:05             ` [PATCH v6 05/13] rebase: " Thomas Rast
2010-03-10 14:05             ` [PATCH v6 06/13] rebase -i: " Thomas Rast
2010-03-10 14:05             ` [PATCH v6 07/13] notes: implement 'git notes copy --stdin' Thomas Rast
2010-03-11 10:30               ` Johan Herland
2010-03-10 14:05             ` [PATCH v6 08/13] notes: implement helpers needed for note copying during rewrite Thomas Rast
2010-03-11 10:50               ` Johan Herland
2010-03-10 14:05             ` [PATCH v6 09/13] rebase: support automatic notes copying Thomas Rast
2010-03-10 14:05             ` [PATCH v6 10/13] commit --amend: copy notes to the new commit Thomas Rast
2010-03-10 14:05             ` [PATCH v6 11/13] notes: add shorthand --ref to override GIT_NOTES_REF Thomas Rast
2010-03-11 10:56               ` Johan Herland
2010-03-10 14:05             ` [PATCH v6 12/13] notes: track whether notes_trees were changed at all Thomas Rast
2010-03-11 10:58               ` Johan Herland
2010-03-10 14:06             ` [PATCH v6 13/13] git-notes(1): add a section about the meaning of history Thomas Rast
2010-03-11 10:59               ` Johan Herland
2010-03-10 21:23             ` [PATCH v6 00/13] several notes refs, post-rewrite, notes rewriting Junio C Hamano
2010-02-23  0:42       ` [PATCH v5 10/11] commit --amend: copy notes to the new commit Thomas Rast
2010-02-23  0:42       ` [PATCH v5 11/11] notes: add shorthand --ref to override GIT_NOTES_REF Thomas Rast
2010-02-23  0:49       ` [PATCH v5 00/11] several notes refs, post-rewrite, notes rewriting Junio C Hamano
2010-02-23  0:49       ` Thomas Rast

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