build.yml

---
name: build-qittyqat
on:
  pull_request:
    branches:
      - main
  schedule:
    - cron: '05 10 * * *'  # 10:05am UTC everyday
  push:
    branches:
      - main
    paths-ignore:
      - '**/README.md'
  workflow_dispatch:

env:
  MY_IMAGE_NAME: "${{ github.event.repository.name }}"  # the name of the image produced by this build, matches repo names
  MY_IMAGE_DESC: "Custom Bazzite image tailored for hackers."
  IMAGE_REGISTRY: "ghcr.io/${{ github.repository_owner }}"  # do not edit
  MAJOR_VERSION: "42"  # the major version of the image, used for versioning the ISO

jobs:
  build_push:
    name: Build and push image
    runs-on: ubuntu-24.04

    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      # Checkout push-to-registry action GitHub repository
      - name: Checkout Push to Registry action
        uses: actions/checkout@v5

      - name: Maximize build space
        uses: ublue-os/remove-unwanted-software@v9

      - name: Generate tags
        id: generate-tags
        shell: bash
        run: |
          # Generate a timestamp for creating an image version history
          TIMESTAMP="$(date +%Y%m%d)"
          COMMIT_TAGS=()
          BUILD_TAGS=()

          # Have tags for tracking builds during pull request
          SHA_SHORT="${GITHUB_SHA::7}"
          echo "tag=${SHA_SHORT}" >> $GITHUB_OUTPUT

          COMMIT_TAGS+=("pr-${{ github.event.number }}")
          COMMIT_TAGS+=("${SHA_SHORT}")

          # Append matching timestamp tags to keep a version history
          for TAG in "${BUILD_TAGS[@]}"; do
              BUILD_TAGS+=("${TAG}-${TIMESTAMP}")
          done

          BUILD_TAGS+=("${TIMESTAMP}")
          BUILD_TAGS+=("latest")

          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
              echo "Generated the following commit tags: "
              for TAG in "${COMMIT_TAGS[@]}"; do
                  echo "${TAG}"
              done

              alias_tags=("${COMMIT_TAGS[@]}")

              PRETTY="PR (${{ github.event.pull_request.number }})"
          else
              alias_tags=("${BUILD_TAGS[@]}")
              PRETTY="Stable (${SHA_SHORT})"
          fi

          echo "pretty=${PRETTY}" >> $GITHUB_OUTPUT

          echo "Generated the following build tags: "
          for TAG in "${BUILD_TAGS[@]}"; do
              echo "${TAG}"
          done

          echo "alias_tags=${alias_tags[*]}" >> $GITHUB_OUTPUT

      # Build metadata
      - name: Image Metadata
        uses: docker/metadata-action@v5
        id: meta
        with:
          images: |
            ${{ env.MY_IMAGE_NAME }}

          labels: |
            io.artifacthub.package.readme-url=https://raw.githubusercontent.com/${{ github.repository }}/main/README.md
            io.artifacthub.package.logo-url=https://raw.githubusercontent.com/${{ github.repository }}/main/assets/logo.jpg
            org.opencontainers.image.description=${{ env.MY_IMAGE_DESC }}
            org.opencontainers.image.title=${{ env.MY_IMAGE_NAME }}

      # Build image using Buildah action
      - name: Build Image
        id: build_image
        uses: redhat-actions/buildah-build@v2
        with:
          containerfiles: |
            ./Containerfile
          # Postfix image name with -custom to make it a little more descriptive
          # Syntax: https://docs.github.com/en/actions/learn-github-actions/expressions#format
          image: ${{ env.MY_IMAGE_NAME }}
          tags: |
            ${{ steps.generate-tags.outputs.alias_tags }}
          build-args: |
            VERSION_TAG=${{ steps.generate-tags.outputs.tag }}
            VERSION_PRETTY=${{ steps.generate-tags.outputs.pretty }}
          labels: ${{ steps.meta.outputs.labels }}
          oci: false

      # Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR.
      # https://github.com/macbre/push-to-ghcr/issues/12
      - name: Lowercase Registry
        id: registry_case
        uses: ASzc/change-string-case-action@v6
        with:
          string: ${{ env.IMAGE_REGISTRY }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Push Image to GHCR
        uses: redhat-actions/push-to-registry@v2
        id: push
        env:
          REGISTRY_USER: ${{ github.actor }}
          REGISTRY_PASSWORD: ${{ github.token }}
        with:
          image: ${{ steps.build_image.outputs.image }}
          tags: ${{ steps.build_image.outputs.tags }}
          registry: ${{ steps.registry_case.outputs.lowercase }}
          username: ${{ env.REGISTRY_USER }}
          password: ${{ env.REGISTRY_PASSWORD }}
          extra-args: |
            --disable-content-trust

      # This section is optional and only needs to be enabled in you plan on distributing
      # your project to others to consume. You will need to create a public and private key
      # using Cosign and save the private key as a repository secret in Github for this workflow
      # to consume. For more details, review the image signing section of the README.

      # Sign container
      - uses: sigstore/cosign-installer@v4.0.0
        if: github.event_name != 'pull_request'

      - name: Sign container image
        if: github.event_name != 'pull_request'
        run: |
          cosign sign -y --key env://COSIGN_PRIVATE_KEY ${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}@${TAGS}
        env:
          TAGS: ${{ steps.push.outputs.digest }}
          COSIGN_EXPERIMENTAL: false
          COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}

      # Build the ISO
      - name: Set Image Tag
        id: generate_iso_tag
        shell: bash
        run: |
          TAG="latest"

          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
              TAG="pr-${{ github.event.number }}"
          fi

          echo "tag=${TAG}" >> $GITHUB_OUTPUT

      - name: Build ISO
        uses: jasonn3/build-container-installer@main
        id: build_iso
        with:
          image_name: ${{ env.MY_IMAGE_NAME}}
          image_repo: ${{ env.IMAGE_REGISTRY}}
          image_tag: ${{ steps.generate_iso_tag.outputs.tag }}
          variant: Kinoite
          version: ${{ env.MAJOR_VERSION }}
          secure_boot_key_url: 'https://github.com/ublue-os/bazzite/raw/main/secure_boot.der'
          enrollment_password: 'universalblue'
          additional_templates: '/github/workspace/installer/lorax_templates/remove_root_password_prompt.tmpl /github/workspace/installer/lorax_templates/set_default_user.tmpl'
          iso_name: build/${{ env.MY_IMAGE_NAME }}-${{ steps.generate_iso_tag.outputs.tag }}.iso

      - name: Upload ISO as artifact
        id: upload
        uses: actions/upload-artifact@v5
        with:
          name: ${{ steps.build_iso.outputs.iso_name }}
          path: |
            ${{ steps.build_iso.outputs.iso_path }}
            ${{ steps.build_iso.outputs.iso_path }}-CHECKSUM
          if-no-files-found: error
          retention-days: 0
          compression-level: 0