From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: "Taylor Blau" <me@ttaylorr.com>,
"Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
git@vger.kernel.org, "Jeff Hostetler" <jeffhost@microsoft.com>,
"Johannes Schindelin" <johannes.schindelin@gmx.de>
Subject: Re: [PATCH v2 1/2] CI: limit GitHub Actions to designated branches
Date: Tue, 05 May 2020 14:29:09 -0700 [thread overview]
Message-ID: <xmqqlfm69il6.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <20200505210451.GA645290@coredump.intra.peff.net> (Jeff King's message of "Tue, 5 May 2020 17:04:51 -0400")
Jeff King <peff@peff.net> writes:
> On Tue, May 05, 2020 at 02:24:18PM -0400, Jeff King wrote:
>
>> But _if_ we can read from other refs in the repository, I would be very
>> happy if we parsed config out of refs/ci/branches or something. It feels
>> like that's something that ought to be possible, but I haven't quite
>> figured out a way to do it.
>
> OK, I finally figured this out. The result is the patch below, which I
> think should make everybody happy. Or at least has the ability to do so
> if they're willing to push a config ref. ;)
That sounds good.
> Subject: [PATCH] ci: allow per-branch config for GitHub Actions
>
> Depending on the workflows of individual developers, it can either be
> convenient or annoying that our GitHub Actions CI jobs are run on every
> branch. As an example of annoying: if you carry many half-finished
> work-in-progress branches and rebase them frequently against master,
> you'd get tons of failure reports that aren't interesting (not to
> mention the wasted CPU).
OK.
> This commit adds a new job which checks a special ref within the
> repository for CI config, and (optionally) causes all of the other jobs
> to be skipped.
Nice---that way, all existing jobs do not even need to know about
the special controlling ref.
> Right now the logic is to run CI for all branches by default, unless a
> whitelist exists, in which case the branch must be mentioned there
> (using its fully qualified ref name).
So there is no wildcard? Not really complaining, but am wondering.
> We could easily add in a
> blacklist, as well.
OK.
> Or since we're running a shell in a VM, we really
> could just run "./allow-ref $refname" and let individual forks specify
> whatever shell code they like.
I presume that you are saying "checking out the tree of refs/ci/config
and there is a program allow-ref that can tell which one to run ci on"?
> After writing that, I think we probably ought to just do the allow-ref
> thing from the start, and skip this whitelist logic. Then we should
> never need to change this workflow file again. People can implement
> whatever weird custom logic they want to.
Probably.
> jobs:
> + check-ci:
> + runs-on: ubuntu-latest
> + outputs:
> + enabled: ${{ steps.check-ref.outputs.enabled }}
> + steps:
> + - uses: actions/checkout@v2
> + continue-on-error: true
> + with:
> + ref: refs/ci/config
> + - id: check-ref
> + name: check whether CI is enabled for ref
> + run: |
> + enabled=yes
> + if test -e ref-whitelist &&
> + ! grep '^${{ github.ref }}$' ref-whitelist
> + then
> + enabled=no
> + fi
> + echo "::set-output name=enabled::$enabled"
> +
> windows-build:
> + needs: check-ci
> + if: needs.check-ci.outputs.enabled == 'yes'
> runs-on: windows-latest
> steps:
> - uses: actions/checkout@v1
Oh, quite nice. Simple and clean.
next prev parent reply other threads:[~2020-05-05 21:29 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-02 15:08 [PATCH] ci: respect the [skip ci] convention in our GitHub workflow "CI/PR" Johannes Schindelin via GitGitGadget
2020-05-03 9:36 ` Jeff King
2020-05-03 12:05 ` Danh Doan
2020-05-04 15:01 ` Jeff King
2020-05-04 15:49 ` [PATCH v2 0/2] Limit GitHub Actions to designated branches Đoàn Trần Công Danh
2020-05-04 15:49 ` [PATCH v2 1/2] CI: limit " Đoàn Trần Công Danh
2020-05-04 16:23 ` Jeff King
2020-05-04 21:58 ` Taylor Blau
2020-05-04 22:52 ` Junio C Hamano
2020-05-04 23:15 ` Taylor Blau
2020-05-04 23:35 ` Jeff King
2020-05-05 0:24 ` Junio C Hamano
2020-05-04 23:36 ` Jeff King
2020-05-05 0:20 ` Taylor Blau
2020-05-05 16:43 ` Jeff King
2020-05-05 17:57 ` Junio C Hamano
2020-05-05 18:24 ` Jeff King
2020-05-05 21:04 ` Jeff King
2020-05-05 21:29 ` Junio C Hamano [this message]
2020-05-05 21:58 ` Jeff King
2020-05-05 22:28 ` Junio C Hamano
2020-05-06 15:09 ` Johannes Schindelin
2020-05-06 16:26 ` Junio C Hamano
2020-05-07 12:17 ` Jeff King
2020-05-07 14:02 ` Jeff King
2020-05-07 18:17 ` Junio C Hamano
2020-05-07 12:01 ` Đoàn Trần Công Danh
2020-05-07 12:47 ` Đoàn Trần Công Danh
2020-05-06 0:46 ` Đoàn Trần Công Danh
2020-05-06 3:56 ` Junio C Hamano
2020-05-06 14:25 ` Đoàn Trần Công Danh
2020-05-06 16:31 ` Junio C Hamano
2020-05-07 12:25 ` Jeff King
2020-05-07 18:29 ` Junio C Hamano
2020-05-07 18:54 ` Jeff King
2020-05-07 19:33 ` Junio C Hamano
2020-05-07 16:20 ` [PATCH v2] ci: allow per-branch config for GitHub Actions Jeff King
2020-05-07 17:00 ` Taylor Blau
2020-05-07 17:18 ` Jeff King
2020-05-07 19:53 ` Junio C Hamano
2020-05-07 20:46 ` Jeff King
2020-05-07 21:58 ` Junio C Hamano
2020-05-08 18:00 ` Jeff King
2020-05-09 1:23 ` Đoàn Trần Công Danh
2020-05-05 0:34 ` [PATCH v2 1/2] CI: limit GitHub Actions to designated branches Đoàn Trần Công Danh
2020-05-04 15:49 ` [PATCH v2 2/2] SubmittingPatches: advertise GitHub Actions CI Đoàn Trần Công Danh
2020-05-04 16:37 ` Junio C Hamano
2020-05-05 0:46 ` Đoàn Trần Công Danh
2020-05-05 16:26 ` [PATCH v3 0/3] Provide option to opt in/out GitHub Actions Đoàn Trần Công Danh
2020-05-05 16:26 ` [PATCH v3 1/3] SubmittingPatches: advertise GitHub Actions CI Đoàn Trần Công Danh
2020-05-05 16:47 ` Jeff King
2020-05-05 16:59 ` Đoàn Trần Công Danh
2020-05-05 17:07 ` Jeff King
2020-05-05 16:26 ` [PATCH v3 2/3] CI: limit GitHub Actions to designated branches Đoàn Trần Công Danh
2020-05-05 16:51 ` Jeff King
2020-05-05 17:05 ` Đoàn Trần Công Danh
2020-05-05 17:11 ` Jeff King
2020-05-05 18:49 ` Junio C Hamano
2020-05-05 16:26 ` [PATCH v3 3/3] fixup! " Đoàn Trần Công Danh
2020-05-05 18:59 ` Junio C Hamano
2020-05-05 17:01 ` [PATCH v3 0/3] Provide option to opt in/out GitHub Actions Jeff King
2020-05-03 16:46 ` [PATCH] ci: respect the [skip ci] convention in our GitHub workflow "CI/PR" Junio C Hamano
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