release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  # ── Job 1: Create source tarball and draft release ─────────────────────────
  source-tarball:
    name: Source tarball
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
      tarball_sha256: ${{ steps.tarball.outputs.sha256 }}

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - name: Extract version from tag
        id: version
        run: echo "version=${GITHUB_REF#refs/tags/v}" >> "$GITHUB_OUTPUT"

      - name: Create source tarball
        id: tarball
        run: |
          VERSION=${{ steps.version.outputs.version }}
          tar czf /tmp/mavsim-viewer-${VERSION}.tar.gz \
            --exclude='.git' \
            --exclude='tests/fixtures/*.ulg' \
            --exclude='build' \
            --transform="s,^\.,mavsim-viewer-${VERSION}," \
            .
          mv /tmp/mavsim-viewer-${VERSION}.tar.gz .
          SHA=$(sha256sum mavsim-viewer-${VERSION}.tar.gz | awk '{print $1}')
          echo "sha256=${SHA}" >> "$GITHUB_OUTPUT"
          echo "Tarball SHA256: ${SHA}"

      - name: Create release
        run: |
          gh release create ${{ github.ref_name }} \
            --title "${{ github.ref_name }}" \
            --generate-notes
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload source tarball
        run: |
          VERSION=${{ steps.version.outputs.version }}
          gh release upload ${{ github.ref_name }} mavsim-viewer-${VERSION}.tar.gz
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # ── Job 2a: macOS arm64 bottle ─────────────────────────────────────────────
  bottle-arm64:
    name: Bottle (arm64)
    needs: source-tarball
    runs-on: macos-14
    outputs:
      bottle_sha256: ${{ steps.bottle.outputs.sha256 }}
      bottle_tag: ${{ steps.bottle.outputs.tag }}

    steps:
      - name: Set up tap with formula
        env:
          VERSION: ${{ needs.source-tarball.outputs.version }}
          TARBALL_SHA: ${{ needs.source-tarball.outputs.tarball_sha256 }}
          TAG: ${{ github.ref_name }}
        run: |
          export FORMULA_DIR="$(brew --repo)/Library/Taps/mavlink/homebrew-tap/Formula"
          mkdir -p "$FORMULA_DIR"
          python3 -c "
          import os
          formula = '''class MavsimViewer < Formula
            desc \"3D MAVLink vehicle viewer for SITL simulation\"
            homepage \"https://github.com/mavlink/mavsim-viewer\"
            url \"https://github.com/mavlink/mavsim-viewer/releases/download/{tag}/mavsim-viewer-{version}.tar.gz\"
            sha256 \"{sha}\"
            license \"BSD-3-Clause\"

            depends_on \"cmake\" => :build

            def install
              system \"cmake\", \"-S\", \".\", \"-B\", \"build\", \"-DCMAKE_BUILD_TYPE=Release\", \"-DHOMEBREW_ALLOW_FETCHCONTENT=ON\", *std_cmake_args
              system \"cmake\", \"--build\", \"build\"
              system \"cmake\", \"--install\", \"build\", \"--prefix\", prefix
            end

            test do
              assert_predicate bin/\"mavsim-viewer\", :executable?
            end
          end
          '''.format(
              tag=os.environ['TAG'],
              version=os.environ['VERSION'],
              sha=os.environ['TARBALL_SHA'],
          )
          with open(os.environ['FORMULA_DIR'] + '/mavsim-viewer.rb', 'w') as f:
              f.write(formula)
          "

      - name: Build bottle
        run: brew install --build-bottle mavlink/tap/mavsim-viewer

      - name: Package bottle
        id: bottle
        run: |
          TAG=${{ github.ref_name }}
          brew bottle \
            --json \
            --root-url="https://github.com/mavlink/mavsim-viewer/releases/download/${TAG}" \
            mavlink/tap/mavsim-viewer

          BOTTLE_JSON=$(ls mavsim-viewer--*.bottle.json)
          BOTTLE_FILE=$(ls mavsim-viewer--*.bottle.tar.gz)
          CLEAN_NAME=$(echo "$BOTTLE_FILE" | sed 's/--/-/')
          mv "$BOTTLE_FILE" "$CLEAN_NAME"

          BOTTLE_SHA=$(python3 -c "
          import json, sys
          data = json.load(open(sys.argv[1]))
          formula = list(data.keys())[0]
          tags = data[formula]['bottle']['tags']
          tag = list(tags.keys())[0]
          print(tags[tag]['sha256'])
          " "$BOTTLE_JSON")

          BOTTLE_TAG=$(python3 -c "
          import json, sys
          data = json.load(open(sys.argv[1]))
          formula = list(data.keys())[0]
          tags = data[formula]['bottle']['tags']
          print(list(tags.keys())[0])
          " "$BOTTLE_JSON")

          echo "sha256=${BOTTLE_SHA}" >> "$GITHUB_OUTPUT"
          echo "tag=${BOTTLE_TAG}" >> "$GITHUB_OUTPUT"
          echo "file=${CLEAN_NAME}" >> "$GITHUB_OUTPUT"

      - name: Upload bottle to release
        run: gh release upload ${{ github.ref_name }} ${{ steps.bottle.outputs.file }} --repo ${{ github.repository }}
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # ── Job 2b: Linux amd64 .deb ──────────────────────────────────────────────
  deb-amd64:
    name: Deb (amd64)
    needs: source-tarball
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y libgl1-mesa-dev libx11-dev libxrandr-dev \
            libxinerama-dev libxcursor-dev libxi-dev

      - name: Configure
        run: |
          cmake -B build \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_INSTALL_PREFIX=/usr \
            -DMAVSIM_VERSION=${{ needs.source-tarball.outputs.version }}

      - name: Build
        run: cmake --build build --config Release

      - name: Package .deb
        run: cd build && cpack -G DEB

      - name: Smoke test
        run: |
          sudo dpkg -i build/*.deb
          which mavsim-viewer
          ls /usr/share/mavsim-viewer/models/
          ls /usr/share/mavsim-viewer/shaders/
          ls /usr/share/mavsim-viewer/fonts/

      - name: Upload .deb to release
        run: gh release upload ${{ github.ref_name }} build/*.deb
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # ── Job 3: Update Homebrew tap ─────────────────────────────────────────────
  update-tap:
    name: Update Homebrew tap
    needs: [source-tarball, bottle-arm64]
    runs-on: ubuntu-latest

    steps:
      - name: Update formula in tap
        env:
          VERSION: ${{ needs.source-tarball.outputs.version }}
          TAG: ${{ github.ref_name }}
          TARBALL_SHA: ${{ needs.source-tarball.outputs.tarball_sha256 }}
          ARM64_SHA: ${{ needs.bottle-arm64.outputs.bottle_sha256 }}
          ARM64_TAG: ${{ needs.bottle-arm64.outputs.bottle_tag }}
          TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
        run: |
          git clone https://x-access-token:${TAP_TOKEN}@github.com/mavlink/homebrew-tap.git tap
          mkdir -p tap/Formula

          python3 -c "
          import os
          formula = '''class MavsimViewer < Formula
            desc \"3D MAVLink vehicle viewer for SITL simulation\"
            homepage \"https://github.com/mavlink/mavsim-viewer\"
            url \"https://github.com/mavlink/mavsim-viewer/releases/download/{tag}/mavsim-viewer-{version}.tar.gz\"
            sha256 \"{tarball_sha}\"
            license \"BSD-3-Clause\"

            bottle do
              root_url \"https://github.com/mavlink/mavsim-viewer/releases/download/{tag}\"
              sha256 cellar: :any_skip_relocation, {arm64_tag}: \"{arm64_sha}\"
            end

            depends_on \"cmake\" => :build

            def install
              system \"cmake\", \"-S\", \".\", \"-B\", \"build\",
                     \"-DCMAKE_BUILD_TYPE=Release\",
                     \"-DHOMEBREW_ALLOW_FETCHCONTENT=ON\",
                     *std_cmake_args
              system \"cmake\", \"--build\", \"build\"
              system \"cmake\", \"--install\", \"build\", \"--prefix\", prefix
            end

            test do
              assert_predicate bin/\"mavsim-viewer\", :executable?
            end
          end
          '''.format(
              tag=os.environ['TAG'],
              version=os.environ['VERSION'],
              tarball_sha=os.environ['TARBALL_SHA'],
              arm64_sha=os.environ['ARM64_SHA'],
              arm64_tag=os.environ['ARM64_TAG'],
          )
          with open('tap/Formula/mavsim-viewer.rb', 'w') as f:
              f.write(formula)
          "

          cd tap
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Formula/mavsim-viewer.rb
          git commit -m "mavsim-viewer ${VERSION}"
          git push