release.yml

name: Release Desktop

# Builds the desktop app for macOS (universal), Linux, and Windows and attaches
# the installers to a GitHub Release. Triggered by pushing a v* tag, or manually.
on:
  push:
    tags: ["v*"]
  workflow_dispatch:
    inputs:
      tag:
        description: "Release tag (e.g. v0.1.1)"
        required: true

jobs:
  build:
    permissions:
      contents: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: macos-latest # Intel + Apple Silicon (universal)
            args: "--target universal-apple-darwin"
          - platform: ubuntu-22.04 # .deb + .AppImage
            args: ""
          - platform: windows-latest # .msi + .exe
            args: ""
    runs-on: ${{ matrix.platform }}
    steps:
      - uses: actions/checkout@v7

      - uses: actions/setup-node@v7
        with:
          node-version: 20

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.platform == 'macos-latest' && 'aarch64-apple-darwin,x86_64-apple-darwin' || '' }}

      - name: Rust cache
        uses: swatinem/rust-cache@v2
        with:
          workspaces: "./desktop/src-tauri -> target"

      - name: Linux dependencies
        if: matrix.platform == 'ubuntu-22.04'
        run: |
          sudo apt-get update
          sudo apt-get install -y libwebkit2gtk-4.1-dev libgtk-3-dev libayatana-appindicator3-dev librsvg2-dev patchelf

      - name: Install desktop deps
        working-directory: desktop
        run: npm install

      # Enable macOS Developer ID signing + notarization ONLY when the secrets
      # are present. Tauri treats a defined-but-empty APPLE_CERTIFICATE as
      # "sign me" and then fails, so we write the vars into $GITHUB_ENV only if a
      # cert was actually provided. With no secrets, the build stays unsigned.
      - name: Configure macOS signing (gated on secrets)
        if: matrix.platform == 'macos-latest'
        shell: bash
        env:
          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
          APPLE_SIGNING_IDENTITY: ${{ secrets.APPLE_SIGNING_IDENTITY }}
          APPLE_ID: ${{ secrets.APPLE_ID }}
          APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
        run: |
          if [ -z "$APPLE_CERTIFICATE" ]; then
            echo "No APPLE_CERTIFICATE secret - building UNSIGNED (no signing/notarization)."
            exit 0
          fi
          echo "Developer ID signing + notarization enabled."
          {
            echo "APPLE_CERTIFICATE<<__LC_EOF__"
            echo "$APPLE_CERTIFICATE"
            echo "__LC_EOF__"
            echo "APPLE_CERTIFICATE_PASSWORD=$APPLE_CERTIFICATE_PASSWORD"
            echo "APPLE_SIGNING_IDENTITY=$APPLE_SIGNING_IDENTITY"
            echo "APPLE_ID=$APPLE_ID"
            echo "APPLE_PASSWORD=$APPLE_PASSWORD"
            echo "APPLE_TEAM_ID=$APPLE_TEAM_ID"
          } >> "$GITHUB_ENV"

      - name: Build + release
        uses: tauri-apps/tauri-action@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # macOS signing/notarization vars are injected by the gated step above
          # (only present when the secrets are set). See docs/RELEASING.md.
        with:
          projectPath: desktop
          tagName: ${{ github.ref_type == 'tag' && github.ref_name || inputs.tag }}
          # Title from the TAG, not tauri.conf.json's app version: the conf
          # version lags behind tags, which once left 13 releases all titled
          # with the same stale number.
          releaseName: "LightNode ${{ github.ref_type == 'tag' && github.ref_name || inputs.tag }}"
          releaseBody: "LightNode desktop: one-click LightChain AI worker onboarding and operations. Download the installer for your OS below."
          releaseDraft: false
          prerelease: false
          args: ${{ matrix.args }}