Update chroot_build.sh #283

	---
	name: CI
	# yamllint disable-line rule:truthy
	on:
	[push, workflow_dispatch]

	jobs:

	ISO:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4

	- name: Build
	run: sudo ./build_in_docker.sh

	- name: print sha256sum
	run: cat output/sha256*

	- name: Generate Tag
	id: tag
	run: \|
	VER=$(egrep ^KERNEL_VERSION build.sh\|cut -d= -f2)
	REL=$(grep "PKGREL=\d*" build.sh \| cut -d = -f2)
	echo Version is $VER
	echo "isotag=${VER}-${REL}" >> $GITHUB_ENV

	- name: Upload iso artifact
	uses: actions/upload-artifact@v4
	with:
	name: mbp-ubuntu-${{ steps.tag.outputs.tag }}.z01
	path: ${{ github.workspace }}/output/*

	- name: Instructions for putting it back together
	run: \|
	cat << EOF
	Download all the artifacts, and put them in a folder
	without other files. Then run:"
	unzip "*.z??.zip"
	cat livecd-${{ env.isotag }}-t2.z?? > cd.zip
	echo unzip cd.zip
	EOF

	- name: Compress ISO
	run: \|
	cd ${{ github.workspace }}
	mkdir ISO
	mv ${{ github.workspace }}/*.iso ${{ github.workspace }}/ISO
	cd ISO
	ISONAME=$(ls ${{ github.workspace }}/ISO \| grep .iso \| rev \| cut -c 5- \| rev)
	tar -czvf ${ISONAME}.tar.gz ${ISONAME}.iso
	ls -l

	- name: Release
	if: github.ref == 'refs/heads/mainline'
	uses: softprops/action-gh-release@v2
	with:
	#files: ${{ github.workspace }}/ISO/*.tar.gz
	#files: ${{ github.workspace }}/ISO/*.iso
	files: ${{ github.workspace }}/output/*
	tag_name: v${{ env.isotag }}
	body_path: ${{ github.workspace }}/.github/workflows/instructions.txt
	draft: false
	prerelease: false
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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