gitlab-mirror #5214

	name: gitlab-mirror

	on:
	schedule:
	# Runs every hour, on the hour
	- cron: '0 * * * *'

	# To be able to manually trigger the job from GitHub UI
	workflow_dispatch:

	permissions:
	# Necessary to be able to push to the repo
	contents: write

	jobs:
	mirror:
	name: gitlab-mirror
	concurrency: mirror # Only 1 mirror job needs to run at once
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	# Checks out the github repo, but crucially also sets up git auth.
	repository: ${{ github.repository }}
	path: target-repo
	ref: main

	- name: Push Mirror git
	# This force pushes to main! Be sure you want to run this!
	run: \|
	set -x

	cd target-repo \|\| exit 1
	git remote add gitlab https://git.gitlab.arm.com/tooling/lisa.git

	function mirror() {
	local ref=$1
	git fetch gitlab "$ref" &&
	git push -f origin "FETCH_HEAD:$ref"
	}

	mirror refs/heads/main
	mirror refs/heads/release

	# This is used as the source of commits to add on top of main to
	# build the master branch content
	mirror refs/heads/for-master

	mirror refs/heads/master-force
	mirror refs/heads/master

	mirror refs/heads/preview-force
	mirror refs/heads/preview

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