Update translations #41

	name: Update translations

	# Update every Monday at 5am
	on:
	schedule:
	- cron: "0 5 * * 1"

	jobs:
	update-translations:
	if: github.repository_owner == 'opencast'
	runs-on: ubuntu-20.04
	env:
	CROWDIN_API_KEY: ${{ secrets.CROWDIN_API_KEY }}
	steps:
	- uses: actions/checkout@v2

	- name: prepare git
	run: \|
	git config --global user.email '[email protected]'
	git config --global user.name 'Crowdin Bot'

	- name: prepare crowdin client
	run: \|
	wget --quiet https://artifacts.crowdin.com/repo/deb/crowdin.deb
	sudo dpkg -i crowdin.deb
	echo "api_key: ${CROWDIN_API_KEY}" > ~/.crowdin.yaml

	- name: prepare github ssh key
	env:
	DEPLOY_KEY: ${{ secrets.DEPLOY_KEY }}
	run: \|
	install -dm 700 ~/.ssh/
	echo "${DEPLOY_KEY}" > ~/.ssh/id_ed25519
	chmod 600 ~/.ssh/id_ed25519
	ssh-keyscan github.com >> ~/.ssh/known_hosts

	- name: clone repository
	run: \|
	git clone "[email protected]:opencast/opencast.git" ~/oc

	- name: upload translation source
	run: \|
	set -o errexit
	update() {
	git checkout "$1"
	crowdin --config .crowdin.yaml download -b "$2"
	git clean -f
	if git commit -a -m "Automatically update translation keys ($1)"; then
	git push origin "$1"
	fi
	git clean -fdx
	}

	if [ -z "${CROWDIN_API_KEY}" ]; then
	echo Skipping update without secret
	else
	cd ~/oc
	update develop develop
	for branch in $(git for-each-ref --count=3 --sort=-committerdate refs/remotes/origin/r/ --format='%(refname:short)'); do
	update "${branch##origin/}" "${branch##*/}"
	done
	fi

Provide feedback