Bake channels into the installation image #201

	name: Build Guix Installer

	on:
	push:
	branches:
	- master

	schedule:
	# build every week
	- cron: "0 0 /7 *"

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Git checkout
	uses: actions/checkout@v4

	- name: Install Guix
	uses: PromyLOPh/[email protected]

	- name: Build ISO
	run: \|
	# Write out the channels file so it can be included
	guix time-machine -C './guix/base-channels.scm' -- describe -f channels > './guix/channels.scm'

	# Build the image
	image=$(guix time-machine -C './guix/channels.scm' --substitute-urls='https://ci.guix.gnu.org https://bordeaux.guix.gnu.org https://substitutes.nonguix.org' -- system image -t iso9660 './guix/installer.scm')

	# Copy the image to the local folder with a better name
	export RELEASE_TAG=$(date +"%Y%m%d%H%M")
	echo "RELEASE_TAG=$RELEASE_TAG" >> $GITHUB_ENV
	cp $image ./guix-installer-$RELEASE_TAG.iso

	- name: Prepare Release Notes
	run: \|
	echo $'This installer image was prepared with the following channel configuration:\r\n\r\n```\r\n' > release-notes.md
	cat ./guix/channels.scm >> release-notes.md
	echo $'\r\n```' >> release-notes.md

	- name: Create Release
	uses: softprops/action-gh-release@v1
	with:
	name: Guix Installer - ${{ env.RELEASE_TAG }}
	tag_name: v${{ env.RELEASE_TAG }}
	body_path: release-notes.md
	files: guix-installer-${{ env.RELEASE_TAG }}.iso
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	GITHUB_REPOSITORY: SystemCrafters/guix-installer

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