Run workflows on change to self #5

	name: draw.io images

	on:
	push:
	branches:
	- '**'
	paths:
	- '.github/workflows/generate-images-drawio.yml'
	- 'src/drawio/**'

	workflow_dispatch:

	env:
	DRAWIO_VERSION: 24.2.5
	DRAWIO_SRC: src/drawio
	DRAWIO_OUT: images/drawio

	jobs:
	generate:
	runs-on: ubuntu-latest

	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Set up Xvfb & draw.io desktop
	run: \|
	wget -q https://github.com/jgraph/drawio-desktop/releases/download/v${{ env.DRAWIO_VERSION }}/drawio-amd64-${{ env.DRAWIO_VERSION }}.deb
	sudo apt-get update
	sudo apt-get install --yes --no-install-recommends xvfb ./drawio-amd64-${{ env.DRAWIO_VERSION }}.deb

	- name: Prepare output folder
	run: \|
	rm -rf "${{ env.DRAWIO_OUT }}"
	mkdir -p "${{ env.DRAWIO_OUT }}"

	- name: Export draw.io files as png / svg
	run: \|
	# draw.io desktop requires a running X server
	export DISPLAY=:42
	Xvfb :42 -nolisten unix &

	for ext in png svg; do
	# The chromium args need to be specified last because of whatever
	drawio --export --recursive --format $ext "${{ env.DRAWIO_SRC }}" --no-sandbox --disable-gpu --disable-dev-shm-usage

	rsync -v --recursive --include=".$ext" --filter="-! /" "${{ env.DRAWIO_SRC }}"/* "${{ env.DRAWIO_OUT }}"

	# Nuke the exported files so that draw.io desktop doesn't attempt to use them as input files on the next loop pass
	find "${{ env.DRAWIO_SRC }}" -name "*.$ext" -exec rm -v "{}" \;
	done

	- name: Add & Commit
	uses: EndBug/add-and-commit@v9
	with:
	add: ${{ env.DRAWIO_OUT }}
	pull: --rebase --autostash

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