Update Unbound Dockerfile #14

	name: Update Unbound Dockerfile

	on:
	schedule:
	- cron: '0 0 * * *' # Run every day at midnight
	workflow_dispatch: # Allows manual triggering

	jobs:
	update:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Get latest Unbound version
	id: get_version
	run: \|
	URL="https://nlnetlabs.nl/downloads/unbound/"
	VERSION=$(curl -sL $URL \| grep -oP 'unbound-\K[\d.]+(?=.tar.gz)' 2>/dev/null \| tail -1)
	echo "VERSION=${VERSION}" >> $GITHUB_ENV

	- name: Get SHA256 hash
	id: get_sha256
	run: \|
	URL="https://nlnetlabs.nl/downloads/unbound/"
	SHA256=$(curl -sL $URL \| grep -oP 'unbound-\d+(\.\d+)+\.tar\.gz\.sha256' \| tail -1)
	SHA256_HASH=$(curl -sL "$URL/$SHA256" \| awk '{print $1}')
	echo "SHA256_HASH=${SHA256_HASH}" >> $GITHUB_ENV

	- name: Check if Dockerfile needs update
	id: check_dockerfile
	run: \|
	CURRENT_VERSION=$(grep -oP 'ARG UNBOUND_VERSION=\K[\d.]+' Dockerfile)
	if [ "$CURRENT_VERSION" != "${{ env.VERSION }}" ]; then
	echo "Dockerfile needs update"
	echo "UPDATE_DOCKERFILE=true" >> $GITHUB_ENV
	else
	echo "Dockerfile is up to date"
	echo "UPDATE_DOCKERFILE=false" >> $GITHUB_ENV
	fi

	- name: Create Pull Request
	if: steps.check_dockerfile.outputs.UPDATE_DOCKERFILE == 'true'
	uses: peter-evans/create-pull-request@v6
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	branch: update-unbound-version
	commit-message: "chore: Update Unbound version to ${{ env.VERSION }}"
	title: "chore: Update Unbound version to ${{ env.VERSION }}"
	body: "This pull request updates the Unbound version in the Dockerfile to ${{ env.VERSION }}."

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