Revert "test-docker-image.yml: Update actions/checkout to v4 and..." #52

	name: Docker Image CI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:

	setup:
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}
	version: ${{ steps.set-version.outputs.version }}
	steps:
	- uses: actions/checkout@v2
	- id: set-version
	run: \|
	RAKU_VERSION=$(ls \|egrep '^[0-9]{4}.[0-9]{2}$')
	echo "::set-output name=version::$RAKU_VERSION"
	echo "raku version: $RAKU_VERSION"
	- id: set-matrix
	run: \|
	VERSION=$(ls \|egrep '^[0-9]{4}.[0-9]{2}$')
	cd $VERSION
	LIST_DIR=$(find . -type d\|perl -e '
	while(<>){
	$_=~s/.\///g;
	chomp($_);
	if($_ ne "."){
	push(@arr,"\"$_\"")
	}
	}
	print join(",",@arr)
	')
	echo "::set-output name=matrix::[$LIST_DIR]"
	echo "base image list: [$LIST_DIR]"
	build:
	needs: setup
	runs-on: ubuntu-latest
	strategy:
	matrix:
	image_base: ${{fromJson(needs.setup.outputs.matrix)}}
	env:
	VERSION: ${{needs.setup.outputs.version}}
	VARIANT: ${{ matrix.image_base }}
	steps:
	- uses: actions/checkout@v2
	- name: Build the Docker image
	run: docker build . --file $VERSION/$VARIANT/Dockerfile --tag ${GITHUB_REPOSITORY,,}:$GITHUB_SHA
	- name: Test docker image with root
	run: docker run --rm ${GITHUB_REPOSITORY,,}:$GITHUB_SHA zef list --installed && docker run --rm ${GITHUB_REPOSITORY,,}:$GITHUB_SHA raku -e 'say $*VM.version'
	- name: Test docker image with raku
	run: docker run --rm --user raku ${GITHUB_REPOSITORY,,}:$GITHUB_SHA zef list --installed && docker run --rm --user raku ${GITHUB_REPOSITORY,,}:$GITHUB_SHA raku -e 'say $*VM.version'

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