build: add version bump to release #53

	name: 'Pipeline'

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	checks:
	name: 'checks'
	if: ${{ github.event_name == 'pull_request'}}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	# To work with pants --changed-since we need an adequate number
	# of commits in the checkout
	fetch-depth: 100
	- name: 'checks'
	uses: ./.github/workflows/templates/checks
	build:
	name: 'build'
	if: always() && (needs.checks.result == 'success' \|\| needs.checks.result == 'skipped')
	needs: checks
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: 'docker login'
	run: docker login -u _json_key -p "$ARTIFACT_SA" europe-west4-docker.pkg.dev
	env:
	ARTIFACT_SA: ${{ secrets.GOOGLE_CREDENTIALS }}
	- name: 'set variables (push)'
	run: \|
	echo "VERSION=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
	# Compare against last release and publish only changed packages
	N_RELEASES=$(git tag --sort=committerdate --list 'v*' \| wc -l \| xargs echo -n)
	echo "Found $N_RELEASES releases"
	if [ "$N_RELEASES" -gt "0" ]; then
	LAST_RELEASE=$(git tag --sort=committerdate --list 'v*' \| tail -n 1)
	echo "Latest release: $LAST_RELEASE"
	echo "CHANGED_SINCE=tags/$LAST_RELEASE" >> $GITHUB_ENV
	fi
	- name: 'set version'
	uses: ./.github/workflows/templates/bump_version
	- name: 'publish'
	uses: ./.github/workflows/templates/publish
	with:
	version: ${{ env.VERSION }}
	changed_since: ${{ env.CHANGED_SINCE \|\| ''}}

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