feat: arr theme env variables #299

	---
	name: "Pull Request: Validate"

	on:
	pull_request:
	branches:
	- main

	concurrency:
	group: ${{ github.head_ref }}-pr-validate
	cancel-in-progress: true

	jobs:
	pr-metadata:
	uses: onedr0p/containers/.github/workflows/pr-metadata.yaml@main

	generate-build-matrix:
	name: Generate matrix for building images
	runs-on: ubuntu-latest
	needs: ["pr-metadata"]
	outputs:
	matrix: ${{ steps.get-changed.outputs.changes }}
	if: ${{ needs.pr-metadata.outputs.addedOrModifiedImages }} != '[]'
	steps:
	- name: Install tools
	run: sudo apt-get install moreutils jo

	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Fetch modified images
	id: get-changed
	shell: bash
	run: \|
	declare -a changes_array=()
	while read -r app
	do
	while read -r channel
	do
	change="$(jo app="$app" channel="$channel")"
	changes_array+=($change)
	done < <(jq --raw-output -c '.channels[] \| .name' "./apps/$app/metadata.json")
	done < <(echo '${{ needs.pr-metadata.outputs.addedOrModifiedImages }}' \| jq --raw-output -c '.[]')

	output="$(jo -a ${changes_array[*]})"
	echo "changes=${output}" >> $GITHUB_OUTPUT

	images-build:
	uses: onedr0p/containers/.github/workflows/action-image-build.yaml@main
	needs: ["generate-build-matrix"]
	with:
	imagesToBuild: "${{ needs.generate-build-matrix.outputs.matrix }}"
	secrets: inherit

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