refresh treeinfo should NOT overwrite by default #390

	---
	name: Build empanada images for imagefactory

	on:
	push:
	branches: [ $default-branch, "devel" ]
	pull_request:
	branches: [ $default-branch ]
	workflow_dispatch:

	jobs:
	buildx:
	runs-on:
	- ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	# https://github.com/docker/setup-buildx-action
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	with:
	install: true

	- name: Login to ghcr
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	builder: ${{ steps.buildx.outputs.name }}
	platforms: linux/amd64,linux/arm64,linux/s390x,linux/ppc64le
	context: ./iso/empanadas
	file: ./iso/empanadas/Containerfile.imagefactory
	push: ${{ github.event_name != 'pull_request' }}
	tags: ghcr.io/rocky-linux/empanadas-imagefactory:latest
	cache-from: type=gha
	cache-to: type=gha,mode=max

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