Check for updates #519

	name: Check for updates
	on:
	schedule: # for scheduling to work this file must be in the default branch
	- cron: "30 /6 * *" # run every 6 hours
	workflow_dispatch: # can be manually dispatched under GitHub's "Actions" tab

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

	permissions:
	# Give the default GITHUB_TOKEN write permission to commit and push the
	# added or changed files to the repository.
	contents: write

	outputs:
	changes_detected: ${{ steps.commit.outputs.changes_detected }}

	steps:
	# Install dependencies
	- name: Install required dependencies
	run: sudo snap install yq

	# Perform the checkout of the main branch
	- name: Checkout
	uses: actions/checkout@v3
	with:
	ref: main

	# Perform the actual version check
	- name: Check for new versions for all parts
	run: scripts/update-versions.sh
	env:
	GH_TOKEN: ${{ github.token }}

	# Commit changed file back to the repository
	- name: Commit changes
	id: commit
	uses: stefanzweifel/git-auto-commit-action@3ea6ae190baf489ba007f7c92608f33ce20ef04a
	with:
	commit_message: Automatic update versions
	#commit_user_name: 'github-actions[bot]'
	#commit_user_email: '41898282+github-actions[bot]@users.noreply.github.com'
	commit_author: 'github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>'

	build:
	if: needs.update-versions.outputs.changes_detected == 'true'
	needs:
	- update-versions
	uses: ./.github/workflows/snapcraft.yaml
	secrets: inherit

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