Improve maintenance message CSS #129

	---

	name: update container tags

	'on':
	pull_request_target:

	jobs:
	update-container-tags:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}

	- name: git fetch
	run: \|
	git fetch
	- name: git checkout
	run: \|
	git checkout ${{ github.head_ref }}

	# compare to upstream main branch
	- name: git add remote
	run: \|
	git remote add quarry https://github.com/toolforge/quarry.git
	- name: git remote update
	run: \|
	git remote update

	- name: update values.yaml
	run: \|
	for i in web worker ; do
	sed -i "s/tag: .* # ${i} tag managed by github actions$/tag: pr-${{ github.event.number }} # ${i} tag managed by github actions/" helm-quarry/values.yaml
	done

	- uses: EndBug/add-and-commit@v7
	with:
	add: 'helm-quarry/values.yaml'
	author_name: Github Action
	author_email: [email protected]
	branch: ${{ github.head_ref }}
	message: 'auto update of ${{ inputs.imagename }} tag'
	pull: --rebase --autostash

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