on:
  push:
    tags:
      - 'fedora-30-*'

name: Fedora 30

env:
  GPG_KEY_ID: 56C464BAAC421453

jobs:
  build:
    name: Build Kernel
    runs-on: ubuntu-latest
    container: fedora:30
    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Install build dependencies
      run: |
        dnf distro-sync -y
        dnf install -y rpmdevtools rpm-sign 'dnf-command(builddep)'
        dnf builddep -y pkg/fedora/kernel-surface/kernel-surface.spec

    - name: Setup secureboot certificate
      env:
        SB_KEY: ${{ secrets.SURFACE_SB_KEY }}
      run: |
        cd pkg

        # Install the surface secureboot certificate
        echo "$SB_KEY" | base64 -d > fedora/kernel-surface/surface.key
        cp keys/surface.crt fedora/kernel-surface/surface.crt

    - name: Build packages
      run: |
        cd pkg/fedora/kernel-surface

        # Build the .rpm packages
        ../makerpm

    - name: Sign packages
      env:
        GPG_KEY: ${{ secrets.SURFACE_GPG_KEY }}
      run: |
        cd pkg/fedora/kernel-surface/out/x86_64

        # import GPG key
        echo "$GPG_KEY" | base64 -d | gpg --import --no-tty --batch --yes

        # sign packages
        rpm --resign *.rpm --define "_gpg_name $GPG_KEY_ID"

    - name: Upload artifacts
      uses: actions/upload-artifact@v1
      with:
        name: fedora-30-latest
        path: pkg/fedora/kernel-surface/out/x86_64

  repo:
    name: Update package repository
    needs: [build]
    runs-on: ubuntu-latest
    container: fedora:30
    steps:
    - name: Install dependencies
      run: |
        dnf install -y createrepo_c git findutils wget

    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        repository: linux-surface/repo
        token: ${{ secrets.GITHUB_BOT_TOKEN }}
        fetch-depth: 0
        ref: master

    - name: Unpack repository
      run: |
        cd fedora/f30

        for blob in $(find . -name '*.blob'); do
          blobref="$(cat $blob)"
          repo="${blobref%%:*}"
          vers="${blobref#*:}"
          wget "https://github.com/linux-surface/$repo/releases/download/$vers"
        done

    - name: Download artifacts
      uses: actions/download-artifact@v1
      with:
        name: fedora-30-latest

    - name: Update repository
      env:
        GPG_KEY: ${{ secrets.SURFACE_GPG_KEY }}
        GIT_REF: ${{ github.ref }}
      run: |
        # Parse git tag from ref
        GIT_TAG=$(echo $GIT_REF | sed 's|^refs/tags/||g')

        for pkg in $(find fedora-30-latest -name '*.rpm'); do
          echo "linux-surface:$GIT_TAG/$(basename $pkg)" > $pkg.blob
        done

        cp fedora-30-latest/* fedora/f30/
        rm -r fedora-30-latest

        cd fedora/f30
        createrepo_c --xz --update --verbose .

        # Sign the updated repository
        echo "$GPG_KEY" | base64 -d | gpg --import --no-tty --batch --yes
        if [ -f 'repodata/repomd.xml.asc' ]; then
          rm repodata/repomd.xml.asc
        fi
        gpg --detach-sign --batch --no-tty --armor -u $GPG_KEY_ID repodata/repomd.xml

    - name: Commit and push
      uses: github-actions-x/commit@v2.3
      with:
        github-token: ${{ secrets.GITHUB_BOT_TOKEN }}
        push-branch: master
        commit-message: Update f30 kernel
        force-add: false
        rebase: true
        files: fedora/f30/*
        name: surfacebot
        email: surfacebot@users.noreply.github.com

  release:
    name: Publish release
    needs: [repo]
    runs-on: ubuntu-latest
    steps:
    - name: Download artifacts
      uses: actions/download-artifact@v1
      with:
        name: fedora-30-latest

    - name: Upload assets
      uses: svenstaro/upload-release-action@v1-release
      with:
        repo_token: ${{ secrets.GITHUB_BOT_TOKEN }}
        file: ./*-latest/*
        tag: ${{ github.ref }}
        overwrite: true
        file_glob: true