ci: lint PR titles #35

	name: "Check for drift in Dagger files"

	on:
	pull_request:
	branches:
	- main

	jobs:
	check-dagger-drift:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

	- name: Determine Dagger version
	id: dagger_version
	run: \|
	sudo wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq
	sudo chmod +x /usr/bin/yq
	cat .github/workflows/acceptance-tests.yml\| yq -r '.jobs.build.steps[] \| select(.id == "dagger") \| .with.version' > .version
	echo "version=$(<.version)" > $GITHUB_OUTPUT
	rm -rf .version

	- uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
	id: cache_daggercli
	with:
	path: bin
	key: daggercli-download-${{ steps.dagger_version.outputs.version }}

	- name: Install Dagger CLI
	if: steps.cache_daggercli.outputs.cache-hit != 'true'
	shell: bash
	run: \|
	curl -L https://dl.dagger.io/dagger/install.sh \| DAGGER_VERSION=${{ steps.dagger_version.outputs.version }} sh

	- name: Check drift
	run: \|
	set -e
	export PATH=$PATH:$PWD/bin
	make dagger-develop
	if [[ -z "$(git status --porcelain ./dagger)" ]]; then
	echo "No drift detected"
	else
	echo "Drift detected. Run 'make dagger-develop' and commit the changed files."
	git diff
	exit 1
	fi

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