update site after url change #1

	name: update-url
	run-name: update site after url change

	on:
	# run when called from another workflow
	workflow_call:
	outputs:
	changed:
	value: ${{ jobs.update-url.outputs.changed }}

	# run if user manually requests it
	workflow_dispatch:

	permissions:
	contents: write

	jobs:
	update-url:
	runs-on: ubuntu-latest

	steps:
	# for debugging
	- name: Print contexts
	uses: crazy-max/ghaction-dump-context@v1

	- name: Get Pages url
	id: pages
	uses: actions/configure-pages@v2
	with:
	enablement: false

	- name: Checkout branch contents
	uses: actions/checkout@v3

	# update link to site in readme
	- name: Update readme
	uses: actions/github-script@v6
	with:
	script: \|
	const { readFileSync, writeFileSync } = require("fs");
	const file = "README.md";
	let contents = readFileSync(file).toString();
	const find = /\\\[.\]$.$\\/;
	const host = "${{ steps.pages.outputs.host }}";
	const path = "${{ steps.pages.outputs.base_path }}";
	const url = "${{ steps.pages.outputs.base_url }}";
	const replace = `[${host}${path}](${url})`;
	if (contents.match(find))
	contents = contents.replace(find, replace);
	else
	contents = `Visit ${replace} 🚀\n\n` + contents;
	writeFileSync(file, contents);

	- name: Check if readme changed
	id: changed
	uses: tj-actions/verify-changed-files@v13
	with:
	files: \|
	README.md

	- name: Commit changed files
	if: steps.changed.outputs.files_changed == 'true'
	uses: stefanzweifel/git-auto-commit-action@v4
	with:
	commit_message: "Update url"

	outputs:
	changed: ${{ steps.changed.outputs.files_changed }}

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