Update submodules #29

	name: Update submodules
	on:
	schedule:
	- cron: '17 8 10 * *' # Run monthly on the 10th, at 8:17am
	workflow_dispatch: # Can be run manually from GitHub UI

	jobs:
	update:
	runs-on: ubuntu-latest
	permissions:
	contents: write # Permit git push
	pull-requests: write
	steps:
	- name: Set TODAY env var
	run: echo "TODAY=$(date +'%Y-%m-%d')" >> $GITHUB_ENV

	- name: Checkout project
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Create branch
	run: git checkout -b submodules-update-$TODAY

	- name: Run submodule updates
	run: git submodule update --remote --checkout

	- name: Configure git user
	run: \|
	git config user.name ${{ github.actor }}
	git config user.email ${{ github.actor }}@users.noreply.github.com

	- name: Commit
	run: \|
	git add .
	git commit -m "Update submodules $TODAY"

	- name: Push branch
	run: \|
	git config push.autoSetupRemote true
	git push

	- name: Open pull request
	env:
	GH_TOKEN: ${{ github.token }}
	run: \|
	gh pr create \
	--fill \
	--reviewer eliotsykes \
	--base ${{ github.ref_name }}

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