build.yml

name: Build Guix Live Image

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@v2

      - name: Install Guix
        uses: PromyLOPh/guix-install-action@v1

      - name: Build Image
        run: |
          # Build the image
          ./build-image.sh

          # Write out the channel configuration
          guix describe -f channels > ./channels.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

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

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          name: Guix Live Image - ${{ env.RELEASE_TAG }}
          tag_name: v${{ env.RELEASE_TAG }}
          body_path: release-notes.md
          files: guix-live-${{ env.RELEASE_TAG }}.qcow2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_REPOSITORY: SystemCrafters/guix-live-image