name: Build Bazzite
on:
  schedule:
    - cron: "40 4 * * 2,5" # 4:40 utc tues thurs
  pull_request:
    branches:
      - testing
      - unstable
    paths-ignore:
      - "**.md"
      - "**.txt"
      - "installer/**"
      - "repo_content/**"
      - "spec_files/**"
      - "post_install_files/**"
      - "press_kit/**"
      - ".github/workflows/build_iso.yml"
  push:
    branches:
      - testing
      - unstable
    paths-ignore:
      - "**.md"
      - "**.txt"
      - "repo_content/**"
      - "spec_files/**"
      - "post_install_files/**"
      - "press_kit/**"
      - ".github/workflows/build_iso.yml"
  merge_group:
  workflow_dispatch:
env:
  IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
  cancel-in-progress: true

jobs:
  push-ghcr:
    name: Make
    runs-on: ubuntu-24.04
    continue-on-error: false
    permissions:
      contents: read
      packages: write
      id-token: write
    strategy:
      fail-fast: false
      matrix:
        base_image_flavor: [main]
        base_name: [bazzite, bazzite-deck, bazzite-nvidia]
        base_image_name: [kinoite, silverblue]
        target_image_flavor: [main, asus]
        fedora_version: [40]
        include:
          - fedora_version: 40
            is_latest_version: true
            is_stable_version: true
            kernel_flavor: fsync # must match a kernel_flavor from akmods repo
    steps:
      - name: Define env.IMAGE_FLAVOR
        run: |
          if [[ "${{ matrix.base_name }}" == "bazzite-nvidia" ]]; then
              if [[ "${{ matrix.target_image_flavor }}" == "main" ]]; then
                  echo "IMAGE_FLAVOR=nvidia" >> $GITHUB_ENV
              else
                  echo "IMAGE_FLAVOR=${{ format('{0}-{1}', matrix.target_image_flavor, 'nvidia') }}" >> $GITHUB_ENV
              fi
          else
              echo "IMAGE_FLAVOR=${{ matrix.target_image_flavor }}" >> $GITHUB_ENV
          fi

      - name: Define env.IMAGE_NAME
        run: |
          DESKTOP=""
          if [[ "${{ matrix.base_image_name }}" == "silverblue" ]]; then
              DESKTOP="-gnome"
          fi

          if [[ "${{ matrix.base_name }}" == "bazzite-deck" ]]; then
              if [[ "${{ matrix.target_image_flavor }}" == "asus" ]]; then
                  echo "IMAGE_NAME=${{ format('{0}{1}', 'bazzite-ally', '${DESKTOP}') }}" >> $GITHUB_ENV
              else
                  echo "IMAGE_NAME=${{ format('{0}{1}', 'bazzite-deck', '${DESKTOP}') }}" >> $GITHUB_ENV
              fi
          else
              if [[ "${{ env.IMAGE_FLAVOR }}" == "main" ]]; then
                  echo "IMAGE_NAME=${{ format('{0}{1}', 'bazzite', '${DESKTOP}') }}" >> $GITHUB_ENV
              else
                  echo "IMAGE_NAME=${{ format('{0}{1}-{2}', 'bazzite', '${DESKTOP}', env.IMAGE_FLAVOR) }}" >> $GITHUB_ENV
              fi
          fi

      - name: Define env.SHA_HEAD_SHORT
        run: |
          echo "SHA_HEAD_SHORT=${GITHUB_SHA::7}" >> $GITHUB_ENV

      - name: Verify main image
        uses: EyeCantCU/cosign-action/verify@v0.3.0
        with:
          containers: ${{ matrix.base_image_name }}-${{ matrix.base_image_flavor }}:${{ matrix.fedora_version }}
          pubkey: https://raw.githubusercontent.com/ublue-os/${{ matrix.base_image_flavor }}/main/cosign.pub
          registry: ${{ env.IMAGE_REGISTRY }}

      - name: Verify akmods image
        uses: EyeCantCU/cosign-action/verify@v0.3.0
        with:
          containers: akmods:${{ matrix.kernel_flavor}}-${{ matrix.fedora_version }}
          pubkey: https://raw.githubusercontent.com/ublue-os/akmods/main/cosign.pub
          registry: ${{ env.IMAGE_REGISTRY }}

      - name: Verify akmods-nvidia image
        uses: EyeCantCU/cosign-action/verify@v0.3.0
        with:
          containers: akmods-nvidia:${{ matrix.kernel_flavor}}-${{ matrix.fedora_version }}
          pubkey: https://raw.githubusercontent.com/ublue-os/akmods/main/cosign.pub
          registry: ${{ env.IMAGE_REGISTRY }}

      # Checkout push-to-registry action GitHub repository
      - name: Checkout Push to Registry action
        uses: actions/checkout@v4

      - name: Check just syntax
        uses: ublue-os/just-action@v1

      - name: Maximize build space
        uses: ublue-os/remove-unwanted-software@v7

      - name: Generate tags
        id: generate-tags
        shell: bash
        run: |
          # Generate a timestamp for creating an image version history
          TIMESTAMP="$(date +%Y%m%d)"
          FEDORA_VERSION="${{ matrix.fedora_version }}"
          COMMIT_TAGS=()
          BUILD_TAGS=()
          # Have tags for tracking builds during pull request
          SHA_SHORT="${GITHUB_SHA::7}"
          COMMIT_TAGS+=("pr-${{ github.event.pull_request.number }}-${FEDORA_VERSION}")
          COMMIT_TAGS+=("${SHA_SHORT}-${FEDORA_VERSION}")
          if [[ "${{ matrix.is_latest_version }}" == "true" ]] && \
             [[ "${{ matrix.is_stable_version }}" == "true" ]]; then
              COMMIT_TAGS+=("pr-${{ github.event.pull_request.number }}")
              COMMIT_TAGS+=("${SHA_SHORT}")
          fi

          if [[ ${{ github.ref_name }} == "unstable" ]]; then
             BUILD_TAGS=("${FEDORA_VERSION}-unstable" "${FEDORA_VERSION}-unstable-${TIMESTAMP}")
             if [[ "${{ matrix.is_latest_version }}" == "true" ]] && \
                [[ "${{ matrix.is_stable_version }}" == "true" ]]; then
                 BUILD_TAGS+=("unstable")
                 echo "DEFAULT_TAG=unstable" >> $GITHUB_ENV
             fi
          elif [[ ${{ github.ref_name }} == "testing" ]]; then
             BUILD_TAGS=("${FEDORA_VERSION}-testing" "${FEDORA_VERSION}-testing-${TIMESTAMP}")
             if [[ "${{ matrix.is_latest_version }}" == "true" ]] && \
                [[ "${{ matrix.is_stable_version }}" == "true" ]]; then
                 BUILD_TAGS+=("testing")
                 echo "DEFAULT_TAG=testing" >> $GITHUB_ENV
             fi
          else
             BUILD_TAGS=("${FEDORA_VERSION}" "${FEDORA_VERSION}-${TIMESTAMP}")
             BUILD_TAGS+=("${FEDORA_VERSION}-stable" "${FEDORA_VERSION}-stable-${TIMESTAMP}")
             if [[ "${{ matrix.is_latest_version }}" == "true" ]] && \
                [[ "${{ matrix.is_stable_version }}" == "true" ]]; then
                 BUILD_TAGS+=("latest" "stable")
                 echo "DEFAULT_TAG=latest" >> $GITHUB_ENV
             fi
          fi

          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[@]}")
          else
              alias_tags=("${BUILD_TAGS[@]}")
          fi
          echo "Generated the following build tags: "
          for TAG in "${BUILD_TAGS[@]}"; do
              echo "${TAG}"
          done
          echo "alias_tags=${alias_tags[*]}" >> $GITHUB_OUTPUT

      - name: Pull main and akmods images
        uses: Wandalen/wretry.action@v3.5.0
        with:
          attempt_limit: 3
          attempt_delay: 15000
          command: |
            # pull the base images used for FROM in Containerfile so
            # we can retry on that unfortunately common failure case
            podman pull ${{ env.IMAGE_REGISTRY }}/${{ matrix.base_image_name }}-${{ matrix.base_image_flavor }}:${{ matrix.fedora_version }}
            podman pull ${{ env.IMAGE_REGISTRY }}/akmods:${{ matrix.kernel_flavor}}-${{ matrix.fedora_version }}
            podman pull ${{ env.IMAGE_REGISTRY }}/akmods-nvidia:${{ matrix.kernel_flavor}}-${{ matrix.fedora_version }}

      - name: Get source versions
        id: labels
        uses: Wandalen/wretry.action@v3.5.0
        with:
          attempt_limit: 3
          attempt_delay: 15000
          command: |
            set -eo pipefail
            skopeo inspect docker://${{ env.IMAGE_REGISTRY }}/${{ matrix.base_image_name }}-${{ matrix.base_image_flavor }}:${{ matrix.fedora_version }} > source.json
            ver=$(jq -r '.Labels["org.opencontainers.image.version"]' source.json)
            if [ -z "$ver" ] || [ "null" = "$ver" ]; then
              echo "inspected image version must not be empty or null"
              exit 1
            fi
            echo "SOURCE_IMAGE_VERSION=$ver" >> $GITHUB_ENV

            skopeo inspect docker://${{ env.IMAGE_REGISTRY }}/akmods:${{ matrix.kernel_flavor }}-${{ matrix.fedora_version }} > akmods.json
            linux=$(jq -r '.Labels["ostree.linux"]' akmods.json)
            if [ -z "$linux" ] || [ "null" = "$linux" ]; then
              echo "inspected image linux version must not be empty or null"
              exit 1
            fi
            echo "KERNEL_VERSION=$linux" >> $GITHUB_ENV

      # Build metadata
      - name: Image Metadata
        uses: docker/metadata-action@v5
        id: meta
        with:
          images: |
            ${{ env.IMAGE_NAME }}
          labels: |
            org.opencontainers.image.title=${{ env.IMAGE_NAME }}
            org.opencontainers.image.description=Bazzite is an OCI image that serves as an alternative operating system for the Steam Deck, and a ready-to-game SteamOS-like for desktop computers, living room home theater PCs, and numerous other handheld PCs.
            org.opencontainers.image.version=${{ env.SOURCE_IMAGE_VERSION }}
            ostree.linux=${{ env.KERNEL_VERSION }}
            io.artifacthub.package.readme-url=https://bazzite.gg/
            io.artifacthub.package.logo-url=https://raw.githubusercontent.com/ublue-os/bazzite/main/repo_content/logo.png

      # Build image using Buildah action
      - name: Build Image
        id: build_image
        uses: redhat-actions/buildah-build@v2
        with:
          containerfiles: |
            ./Containerfile
          image: ${{ env.IMAGE_NAME }}
          tags: |
            ${{ steps.generate-tags.outputs.alias_tags }}
          build-args: |
            IMAGE_NAME=${{ env.IMAGE_NAME }}
            IMAGE_FLAVOR=${{ env.IMAGE_FLAVOR }}
            IMAGE_VENDOR=${{ github.repository_owner }}
            BASE_IMAGE_NAME=${{ matrix.base_image_name }}
            BASE_IMAGE_FLAVOR=${{ matrix.base_image_flavor }}
            FEDORA_VERSION=${{ matrix.fedora_version }}
            KERNEL_FLAVOR=${{ matrix.kernel_flavor }}
            IMAGE_BRANCH=${{ github.ref_name }}
            SHA_HEAD_SHORT=${{ env.SHA_HEAD_SHORT }}
          labels: ${{ steps.meta.outputs.labels }}
          oci: false
          extra-args: |
            --target=${{ matrix.base_name }}

      - name: Check Secureboot
        shell: bash
        run: |
          set -x
          if [[ ! $(command -v sbverify) || ! $(command -v curl) || ! $(command -v openssl) ]]; then
            sudo apt update
            sudo apt install sbsigntool curl openssl
          fi
          podman run -d --rm --name ${{env.IMAGE_NAME}}-$(echo "${{ steps.generate-tags.outputs.alias_tags }}" | cut -d " " -f 1) "${{ env.IMAGE_NAME }}":$(echo "${{ steps.generate-tags.outputs.alias_tags }}" | cut -d " " -f 1) sleep 1000
          podman cp ${{env.IMAGE_NAME}}-$(echo "${{ steps.generate-tags.outputs.alias_tags }}" | cut -d " " -f 1):/usr/lib/modules/${{ env.KERNEL_VERSION }}/vmlinuz .
          podman rm -f ${{env.IMAGE_NAME}}-$(echo "${{ steps.generate-tags.outputs.alias_tags }}" | cut -d " " -f 1)
          sbverify --list vmlinuz
          curl --retry 3 -Lo kernel-sign.der https://github.com/ublue-os/kernel-cache/raw/main/certs/public_key.der
          curl --retry 3 -Lo akmods.der https://github.com/ublue-os/kernel-cache/raw/main/certs/public_key_2.der
          openssl x509 -in kernel-sign.der -out kernel-sign.crt
          openssl x509 -in akmods.der -out akmods.crt
          sbverify --cert kernel-sign.crt vmlinuz || exit 1
          sbverify --cert akmods.crt vmlinuz || exit 1

      # 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 }}

      # Push the image to GHCR (Image Registry)
      - name: Push To GHCR
        uses: Wandalen/wretry.action@v3.5.0
        id: push
        if: github.event_name != 'pull_request'
        env:
          REGISTRY_USER: ${{ github.actor }}
          REGISTRY_PASSWORD: ${{ github.token }}
        with:
          action: redhat-actions/push-to-registry@v2
          attempt_limit: 3
          attempt_delay: 15000
          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

      - name: Sign container image
        uses: EyeCantCU/cosign-action/sign@v0.3.0
        if: github.event_name != 'pull_request'
        with:
          containers: ${{ env.IMAGE_NAME }}
          registry-token: ${{ secrets.GITHUB_TOKEN }}
          signing-secret: ${{ secrets.SIGNING_SECRET }}
          tags: ${{ steps.push.outputs.outputs && fromJSON(steps.push.outputs.outputs).digest }}

      - name: Echo outputs
        if: github.event_name != 'pull_request'
        run: |
          echo "${{ toJSON(steps.push.outputs) }}"

  build_iso:
    name: build iso
    needs: [push-ghcr]
    if: github.ref_name == 'testing'
    # Eventually would be nice for building images in PRs
    #if: ${{ endsWith(github.event.pull_request.title, '[ISO]') }}
    uses: ./.github/workflows/build_iso.yml
    secrets: inherit