build_iso.yml

name: Build and Release Custom Ubuntu ISO

on:
  push:
    branches:
      - main
      - master
  release:
    types: [created]
  workflow_dispatch:

jobs:
  build-and-release-iso:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up cache for Ubuntu ISO
        id: cache-ubuntu-iso
        uses: actions/cache@v3
        with:
          path: ubuntu-22.04-desktop-amd64.iso
          key: ubuntu-iso-${{ runner.os }}-${{ hashFiles('ubuntu-22.04-desktop-amd64.iso') }}
          restore-keys: |
            ubuntu-iso-${{ runner.os }}-

      - name: Download Ubuntu ISO if not cached
        if: steps.cache-ubuntu-iso.outputs.cache-hit != 'true'
        run: |
          wget -O ubuntu-22.04-desktop-amd64.iso https://old-releases.ubuntu.com/releases/jammy/ubuntu-22.04-desktop-amd64.iso

      - name: Determine ISO filename
        id: get-filename
        run: |
          if [[ "${{ github.event_name }}" == "release" ]]; then
            echo "FILENAME=borgerpc-amd64-${{ github.event.release.tag_name }}" >> $GITHUB_ENV
          else
            echo "FILENAME=borgerpc-amd64-dev" >> $GITHUB_ENV
          fi

      - name: Build OS2borgerpc image
        run: |
          cd image && ./build_os2borgerpc_image.sh ../ubuntu-22.04-desktop-amd64.iso $FILENAME

      - name: Upload ISO as an artifact (for non-release events)
        if: github.event_name != 'release'
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.FILENAME }}.iso
          path: ./image/${{ env.FILENAME }}.iso

      - name: Upload ISO to release (only for release events)
        if: github.event_name == 'release'
        uses: actions/upload-release-asset@v1
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ./image/${{ env.FILENAME }}.iso
          asset_name: ${{ env.FILENAME }}.iso
          asset_content_type: application/octet-stream