From: Elijah Newren <newren@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Git Mailing List" <git@vger.kernel.org>,
"Fabian Stelzer" <fs@gigacodes.de>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"Emily Shaffer" <emilyshaffer@google.com>
Subject: Re: [PATCH v2] SubmittingPatchs: clarify choice of base and testing
Date: Tue, 28 Dec 2021 09:47:08 -0800 [thread overview]
Message-ID: <CABPp-BFp=UnK=EEmr4GLp4m3e9pZ1yks0gt6yTk5OcNXD3LNKA@mail.gmail.com> (raw)
In-Reply-To: <xmqq5yre7w5o.fsf@gitster.g>
On Fri, Dec 24, 2021 at 5:25 PM Junio C Hamano <gitster@pobox.com> wrote:
>
> We encourage identifying what, among many topics on `next`, exact
> topics a new work depends on, instead of building directly on
> `next`. Let's clarify this in the documentation.
>
> Developers should know what they are building on top of, and be
> aware of which part of the system is currently being worked on.
> Encouraging them to make trial merges to `next` and `seen`
> themselves will incentivize them to read others' changes and
> understand them, eventually helping the developers to coordinate
> among themselves and reviewing each others' changes.
>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
> Documentation/SubmittingPatches | 53 ++++++++++++++++++++++++++++++-----------
> 1 file changed, 39 insertions(+), 14 deletions(-)
>
> * I've been trying to clear the deck, and noticed that this has
> been untended for quite some time. With some clarification to
> a place I was even confused myself while responding to Fabian's
> comments in the earlier round.
>
> diff --git c/Documentation/SubmittingPatches w/Documentation/SubmittingPatches
> index e409022d93..3c4c5d9f18 100644
> --- c/Documentation/SubmittingPatches
> +++ w/Documentation/SubmittingPatches
> @@ -19,8 +19,10 @@ change is relevant to.
> base your work on the tip of the topic.
>
> * A new feature should be based on `master` in general. If the new
> - feature depends on a topic that is in `seen`, but not in `master`,
> - base your work on the tip of that topic.
> + feature depends on other topics that are in `next`, but not in
> + `master`, fork a branch from the tip of `master`, merge these topics
> + to the branch, and work on that branch. You can remind yourself of
> + how you prepared the base with `git log --first-parent master..`.
>
> * Corrections and enhancements to a topic not yet in `master` should
> be based on the tip of that topic. If the topic has not been merged
> @@ -28,10 +30,10 @@ change is relevant to.
> into the series.
>
> * In the exceptional case that a new feature depends on several topics
> - not in `master`, start working on `next` or `seen` privately and send
> - out patches for discussion. Before the final merge, you may have to
> - wait until some of the dependent topics graduate to `master`, and
> - rebase your work.
> + not in `master`, start working on `next` or `seen` privately and
> + send out patches only for discussion. Once your new feature starts
> + to stabilize, you would have to rebase it (see the "depends on other
> + topics" above).
>
> * Some parts of the system have dedicated maintainers with their own
> repositories (see the section "Subsystems" below). Changes to
> @@ -71,8 +73,13 @@ Make sure that you have tests for the bug you are fixing. See
> [[tests]]
> When adding a new feature, make sure that you have new tests to show
> the feature triggers the new behavior when it should, and to show the
> -feature does not trigger when it shouldn't. After any code change, make
> -sure that the entire test suite passes.
> +feature does not trigger when it shouldn't. After any code change,
> +make sure that the entire test suite passes. When fixing a bug, make
> +sure you have new tests that breaks if somebody else breaks what you
> +fixed by accident to avoid regression. Also, try merging your work to
> +'next' and 'seen' and make sure the tests still pass; topics by others
> +that are still in flight may have unexpected interactions with what
> +you are trying to do in your topic.
>
> Pushing to a fork of https://github.com/git/git will use their CI
> integration to test your changes on Linux, Mac and Windows. See the
> @@ -144,8 +151,21 @@ without external resources. Instead of giving a URL to a mailing list
> archive, summarize the relevant points of the discussion.
>
> [[commit-reference]]
> -If you want to reference a previous commit in the history of a stable
> -branch, use the format "abbreviated hash (subject, date)", like this:
> +
> +There are a few reasons why you may want to refer to another commit in
> +the "more stable" part of the history (i.e. on branches like `maint`,
> +`master`, and `next`):
> +
> +. A commit that introduced the root cause of a bug you are fixing.
> +
> +. A commit that introduced a feature that is what you are enhancing.
> +
> +. A commit that conflicts with your work when you made a trial merge
> + of your work into `next` and `seen` for testing.
> +
> +When you reference a commit on a more stable branch (like `master`,
> +`maint` and `next`), use the format "abbreviated hash (subject,
> +date)", like this:
I was going to comment that this would be a good place to mention
--pretty=reference, but looking at the file in question, that is
exactly what the text after this already does.
> ....
> Commit f86a374 (pack-bitmap.c: fix a memleak, 2015-03-30)
> @@ -259,9 +279,11 @@ Please make sure your patch does not add commented out debugging code,
> or include any extra files which do not relate to what your patch
> is trying to achieve. Make sure to review
> your patch after generating it, to ensure accuracy. Before
> -sending out, please make sure it cleanly applies to the `master`
> -branch head. If you are preparing a work based on "next" branch,
> -that is fine, but please mark it as such.
> +sending out, please make sure it cleanly applies to the base you
> +have chosen in the "Decide what to base your work on" section,
> +and unless it targets the `master` branch (which is the default),
> +mark your patches as such.
> +
>
> [[send-patches]]
> === Sending your patches.
> @@ -365,7 +387,10 @@ Security mailing list{security-ml-ref}.
> Send your patch with "To:" set to the mailing list, with "cc:" listing
> people who are involved in the area you are touching (the `git
> contacts` command in `contrib/contacts/` can help to
> -identify them), to solicit comments and reviews.
> +identify them), to solicit comments and reviews. Also, when you made
> +trial merges of your topic to `next` and `seen`, you may have noticed
> +work by others conflicting with your changes. There is a good possibility
> +that these people may know the area you are touching well.
>
> :current-maintainer: footnote:[The current maintainer: gitster@pobox.com]
> :git-ml: footnote:[The mailing list: git@vger.kernel.org]
This patch looks good to me.
next prev parent reply other threads:[~2021-12-28 17:47 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 3:39 [PATCH 00/11] midx: clean up t5319 under 'SANITIZE=leak' Taylor Blau
2021-10-21 3:39 ` [PATCH 01/11] midx.c: clean up chunkfile after reading the MIDX Taylor Blau
2021-10-21 5:50 ` Junio C Hamano
2021-10-21 11:34 ` Ævar Arnfjörð Bjarmason
2021-10-21 16:16 ` Junio C Hamano
2021-10-22 3:04 ` Taylor Blau
2021-10-21 3:39 ` [PATCH 02/11] midx.c: don't leak MIDX from verify_midx_file Taylor Blau
2021-10-21 5:00 ` Eric Sunshine
2021-10-21 5:54 ` Junio C Hamano
2021-10-21 16:27 ` Junio C Hamano
2021-10-21 3:39 ` [PATCH 03/11] t/helper/test-read-midx.c: free MIDX within read_midx_file() Taylor Blau
2021-10-21 3:39 ` [PATCH 04/11] builtin/pack-objects.c: don't leak memory via arguments Taylor Blau
2021-10-21 3:39 ` [PATCH 05/11] builtin/repack.c: avoid leaking child arguments Taylor Blau
2021-10-21 13:32 ` Derrick Stolee
2021-10-21 18:47 ` Junio C Hamano
2021-10-21 16:37 ` Junio C Hamano
2021-10-22 3:21 ` Taylor Blau
2021-10-21 3:40 ` [PATCH 06/11] builtin/multi-pack-index.c: don't leak concatenated options Taylor Blau
2021-10-21 3:40 ` [PATCH 07/11] pack-bitmap.c: avoid leaking via midx_bitmap_filename() Taylor Blau
2021-10-21 16:54 ` Junio C Hamano
2021-10-22 4:27 ` Taylor Blau
2021-10-21 3:40 ` [PATCH 08/11] pack-bitmap.c: don't leak type-level bitmaps Taylor Blau
2021-10-21 16:59 ` Junio C Hamano
2021-10-21 3:40 ` [PATCH 09/11] pack-bitmap.c: more aggressively free in free_bitmap_index() Taylor Blau
2021-10-21 5:10 ` Eric Sunshine
2021-10-21 18:32 ` Junio C Hamano
2021-10-22 4:29 ` Taylor Blau
2021-10-21 18:43 ` Junio C Hamano
2021-10-21 3:40 ` [PATCH 10/11] pack-bitmap-write.c: don't return without stop_progress() Taylor Blau
2021-10-21 5:12 ` Eric Sunshine
2021-10-21 11:31 ` Ævar Arnfjörð Bjarmason
2021-10-21 18:39 ` Junio C Hamano
2021-10-22 4:32 ` Taylor Blau
2021-10-23 20:28 ` Junio C Hamano
2021-10-23 20:32 ` SubmittingPatchs: clarify choice of base and testing Junio C Hamano
2021-10-23 20:59 ` Ævar Arnfjörð Bjarmason
2021-10-23 21:31 ` Junio C Hamano
2021-10-23 21:40 ` Junio C Hamano
2021-10-25 8:59 ` Fabian Stelzer
2021-10-25 16:48 ` Junio C Hamano
2021-10-25 16:56 ` Junio C Hamano
2021-10-25 17:00 ` Junio C Hamano
2021-12-23 23:12 ` [PATCH v2] " Junio C Hamano
2021-12-28 17:47 ` Elijah Newren [this message]
2021-12-30 10:20 ` Fabian Stelzer
2021-12-30 20:18 ` Re* " Junio C Hamano
2021-10-21 3:40 ` [PATCH 11/11] t5319: UNLEAK() the remaining leaks Taylor Blau
2021-10-21 11:50 ` [PATCH 00/11] midx: clean up t5319 under 'SANITIZE=leak' Ævar Arnfjörð Bjarmason
2021-10-22 4:39 ` Taylor Blau
2021-10-22 8:23 ` Ævar Arnfjörð Bjarmason
2021-10-22 10:32 ` [PATCH] leak tests: add an interface to the LSAN_OPTIONS "suppressions" Ævar Arnfjörð Bjarmason
2021-10-26 20:23 ` Taylor Blau
2021-10-26 21:11 ` Jeff King
2021-10-26 21:30 ` Taylor Blau
2021-10-26 21:48 ` Jeff King
2021-10-27 8:04 ` Ævar Arnfjörð Bjarmason
2021-10-27 9:06 ` Jeff King
2021-10-27 20:21 ` Junio C Hamano
2021-10-27 20:57 ` Ævar Arnfjörð Bjarmason
2021-10-29 20:56 ` Jeff King
2021-10-29 21:05 ` Jeff King
2021-10-27 7:51 ` Ævar Arnfjörð Bjarmason
2021-10-21 13:37 ` [PATCH 00/11] midx: clean up t5319 under 'SANITIZE=leak' Derrick Stolee
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='CABPp-BFp=UnK=EEmr4GLp4m3e9pZ1yks0gt6yTk5OcNXD3LNKA@mail.gmail.com' \
--to=newren@gmail.com \
--cc=avarab@gmail.com \
--cc=emilyshaffer@google.com \
--cc=fs@gigacodes.de \
--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).