Auto-update process #6

	name: "Auto-update process"
	on:
	schedule:
	# “At 20:00 on Wednesday.”
	#
	# https://crontab.guru/#0_20___3
	- cron: '0 20 * * 3'

	# Allow manually triggering this request via the button at
	# https://github.com/WebAssembly/testsuite/actions/workflows/autoupdate.yml
	workflow_dispatch:

	jobs:
	update:
	# Only run for non-`WebAssembly/testsuite` repositories if manually
	# scheduled. Otherwise don't run this for forks of the `testsuite` repo on a
	# cron job as that's not what most want anyway.
	if: "github.repository == 'WebAssembly/testsuite' \|\| !github.event.schedule"
	name: Maybe create a PR with an update.
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	# Get the full git history as we might make a PR.
	fetch-depth: 0

	# Run the standard `./update-testsuite.sh` script after configuring git to
	# allow making commits.
	- run: \|
	git config --global user.name 'WebAssembly/testsuite auto-update'
	git config --global user.email 'github-actions@users.noreply.github.com'
	./update-testsuite.sh

	# If the current HEAD is different then a commit was made, so make a PR.
	- run: \|
	if [ "${{ github.sha }}" != $(git rev-parse HEAD) ]; then
	time=`date '+%Y-%m-%d'`
	branch=update-$time
	git checkout -b $branch
	git push origin $branch:$branch
	gh pr create \
	--title "Auto-update for $time" \
	--fill
	fi
	env:
	GH_TOKEN: ${{ github.token }}

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