Forwarder refactor #874

	name: Merge Checks

	on:
	pull_request_target:
	branches: [ master ]
	types: [synchronize, opened, reopened]

	permissions:
	statuses: write

	jobs:
	submodule-pin-check:
	name: Check Submodule Pin
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	submodules: true

	- name: Check all submodules are ancestors of origin/HEAD or configured branch
	run: \|
	status_state="pending"
	if ${{ github.workspace }}/.github/workflows/submodule-pin-check.sh; then
	status_state="success"
	else
	resp="$(curl -sSL --fail-with-body \
	-H "Accept: application/vnd.github+json" \
	-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
	-H "X-GitHub-Api-Version: 2022-11-28" \
	"https://api.github.com/repos/$GITHUB_REPOSITORY/commits/${{ github.event.pull_request.head.sha }}/statuses")"

	if ! jq -e '.[] \| select(.context == "Submodule Pin Check")' > /dev/null <<< "$resp"; then
	# Submodule pin check is failling and no status exists
	# Keep it without a status to keep the green checkmark appearing
	# Otherwise, the commit and PR's CI will appear to be indefinitely pending
	# Merging will still be blocked until the required status appears
	exit 0
	fi
	fi
	curl -sSL --fail-with-body \
	-X POST \
	-H "Accept: application/vnd.github+json" \
	-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
	-H "X-GitHub-Api-Version: 2022-11-28" \
	"https://api.github.com/repos/$GITHUB_REPOSITORY/statuses/${{ github.event.pull_request.head.sha }}" \
	-d '{"context":"Submodule Pin Check","state":"'"$status_state"'"}'

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