Update Themes #837

	name: Update Themes

	on:
	workflow_dispatch:
	schedule:
	- cron: '0 1 * * *'
	jobs:
	update_list:
	runs-on: ubuntu-latest

	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.17.x
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Clone the main repo
	run: \|
	git clone https://github.com/themercorp/themer.lua --depth 1

	- name: Copy themes
	run: \|
	cp themer.lua/lua/themer/modules/themes . -r
	rm themer.lua -rf
	- name: Generate JSON template
	run: \|
	sudo apt install lua5.3 -y > /dev/null
	rm generated_templates/*
	lua generate_template.lua
	- name: Mustache
	run: \|
	go install github.com/cbroglie/mustache/cmd/mustache@latest
	rm user_css/*
	for i in $(\ls generated_templates/); do
	mustache generated_templates/${i} templates/default.mustache >> "user_css/$(echo $i \| sed 's/\.json//g').user.css"
	done
	- name: Push Changes
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	COMMIT_MSG: \|
	[bot] update themes
	skip-checks: true
	run: \|
	git config user.email "actions@github"
	git config user.name "Github Actions"
	git remote set-url origin https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git
	git add .
	# Only commit and push if we have changes
	git diff --quiet && git diff --staged --quiet \|\| (git commit -m "${COMMIT_MSG}"; git push origin HEAD:${GITHUB_REF})

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