Stirling-PDF/.taskfiles/desktop.yml

version: '3'

vars:
  # jdk.dynalink is required by VeraPDF (PDF/A validation); without it the bundled JRE throws
  # NoClassDefFoundError: jdk/dynalink/Namespace at runtime in get-info-on-pdf and verify-pdf
  JLINK_MODULES: "java.base,java.compiler,java.desktop,java.instrument,java.logging,java.management,java.naming,java.net.http,java.prefs,java.rmi,java.scripting,java.security.jgss,java.security.sasl,java.sql,java.transaction.xa,java.xml,java.xml.crypto,jdk.crypto.ec,jdk.crypto.cryptoki,jdk.unsupported,jdk.dynalink"

  # Minimum Java major the bundled JRE must be. Keep in sync with build.gradle
  # `modernJavaVersion` - the app JAR is compiled for this, so an older runtime
  # fails at launch with UnsupportedClassVersionError. Enforced by jlink:verify.
  REQUIRED_JAVA: "25"

  # Override via JPDFIUM_PLATFORMS env (csv of platform keys, or 'all').
  JPDFIUM_PLATFORMS:
    sh: |
      if [ -n "${JPDFIUM_PLATFORMS:-}" ]; then
          echo "$JPDFIUM_PLATFORMS"
      else
          case "{{OS}}-{{ARCH}}" in
              darwin-arm64)  echo "darwin-arm64";;
              darwin-amd64)  echo "darwin-x64";;
              linux-amd64)   echo "linux-x64";;
              linux-arm64)   echo "linux-arm64";;
              windows-amd64) echo "windows-x64";;
              *)             echo "all";;
          esac
      fi

tasks:
  prepare:
    desc: "Prepare desktop build dependencies"
    deps:
      - jlink
      - task: ":frontend:prepare"
        vars: { MODE: desktop }
      - provisioner

  provisioner:
    desc: "Build installer provisioner"
    platforms: [windows]
    dir: editor
    cmds:
      - node scripts/build-provisioner.mjs

  dev:
    desc: "Start Tauri desktop dev mode"
    deps: [prepare]
    ignore_error: true
    dir: editor
    cmds:
      - npx tauri dev --no-watch

  build:
    desc: "Build Tauri desktop app (production)"
    deps: [prepare]
    dir: editor
    cmds:
      - npx tauri build

  build:dev:
    desc: "Build Tauri desktop app (dev, no bundling)"
    deps: [prepare]
    dir: editor
    cmds:
      - npx tauri build --no-bundle

  build:dev:mac:
    desc: "Build Tauri desktop .app bundle (macOS)"
    deps: [prepare]
    dir: editor
    cmds:
      - npx tauri build --bundles app --config '{"bundle":{"createUpdaterArtifacts":false}}'

  build:dev:windows:
    desc: "Build Tauri desktop NSIS installer (Windows)"
    deps: [prepare]
    dir: editor
    cmds:
      - npx tauri build --bundles nsis --config '{"bundle":{"createUpdaterArtifacts":false}}'

  build:dev:linux:
    desc: "Build Tauri desktop AppImage (Linux)"
    deps: [prepare]
    dir: editor
    cmds:
      - npx tauri build --bundles appimage --config '{"bundle":{"createUpdaterArtifacts":false}}'

  test:
    desc: "Run Tauri/Cargo tests"
    deps: [prepare]
    dir: editor/src-tauri
    cmds:
      - cargo test

  clean:
    desc: "Clean Tauri/Cargo build artifacts"
    dir: editor
    cmds:
      - task: jlink:clean
      - cd src-tauri && cargo clean
      - rm -rf dist build

  # ============================================================
  # JLink — Build bundled Java runtime for Tauri
  # ============================================================

  jlink:
    desc: "Build backend JAR and create JLink runtime for Tauri"
    deps: [jlink:jar, jlink:runtime]
    # Runs after the runtime is in place. Lives here (not in jlink:runtime's
    # cmds) so it still fires when jlink:runtime short-circuits on its `status:`
    # check and reuses an existing runtime/jre - that reuse path is exactly how
    # a stale, too-old JRE slips through.
    cmds:
      - task: jlink:verify

  jlink:verify:
    desc: "Fail the build if the bundled JRE is older than the app JAR requires"
    dir: editor
    env:
      REQUIRED_JAVA: "{{.REQUIRED_JAVA}}"
    cmds:
      - node scripts/verify-bundled-jre.mjs src-tauri/runtime/jre/release

  jlink:jar:
    desc: "Build backend JAR for Tauri bundling (host-OS natives only by default)"
    run: once
    dir: ..
    env:
      DISABLE_ADDITIONAL_FEATURES: "true"
    cmds:
      - echo "Building bootJar with JPDFium natives for {{.JPDFIUM_PLATFORMS}}"
      - cmd: cmd /c gradlew.bat bootJar --no-daemon -PjpdfiumPlatforms={{.JPDFIUM_PLATFORMS}}
        platforms: [windows]
      - cmd: ./gradlew bootJar --no-daemon -PjpdfiumPlatforms={{.JPDFIUM_PLATFORMS}}
        platforms: [linux, darwin]
      - mkdir -p frontend/editor/src-tauri/libs
      - cp app/core/build/libs/stirling-pdf-*.jar frontend/editor/src-tauri/libs/
    status:
      - test -f frontend/editor/src-tauri/libs/stirling-pdf-*.jar

  jlink:runtime:
    desc: "Create custom JRE with jlink"
    deps: [jlink:jar]
    dir: editor/src-tauri
    cmds:
      - rm -rf runtime/jre
      - mkdir -p runtime
      # Pin jlink to JAVA_HOME so the bundled JRE matches the JDK the build
      # uses. Bare `jlink` on PATH can resolve to an older system Java (the
      # ubuntu runner ships Java 11), producing a runtime jlink:verify rejects.
      - |
        JLINK="${JAVA_HOME:+$JAVA_HOME/bin/}jlink"
        JLINK_COMPRESS="$("$JLINK" --help 2>&1 | grep -q 'zip-\[0-9\]' && echo zip-6 || echo 2)"
        "$JLINK" \
          --add-modules {{.JLINK_MODULES}} \
          --strip-debug \
          --compress="$JLINK_COMPRESS" \
          --no-header-files \
          --no-man-pages \
          --output runtime/jre
      # jlink emits its files mode 444 (read-only). Tauri's build-script
      # resource copier preserves source permissions when staging
      # `runtime/jre/**/*` into `target/<profile>/runtime/jre/...`, so the
      # staged copies are read-only too. On any subsequent incremental
      # build the copier tries to overwrite them and fails with a bare
      # `Permission denied (os error 13)` (Rust's io::Error Display drops
      # the path, so the failure is opaque). Make the source writable here
      # so the staged destinations are writable and can be overwritten.
      #
      # Trade-off: this task runs for both `task desktop:dev` and
      # `task desktop:build`, so production bundles also ship mode-644
      # JRE files instead of 444. Functionally harmless on POSIX (the
      # `other` bit is `r--` either way, and on macOS code signing is the
      # real integrity check) and on Windows the DOS read-only attribute
      # isn't load-bearing for the bundled JDK. If we ever need strict
      # 444 in production, split the chmod into a dev-only step and have
      # `desktop:build` run `jlink:clean` first to force a fresh build.
      - cmd: chmod -R u+w runtime/jre
        platforms: [linux, darwin]
      - cmd: powershell -NoProfile -Command "Get-ChildItem -Recurse runtime/jre | ForEach-Object { $_.IsReadOnly = $false }"
        platforms: [windows]
    status:
      - test -f runtime/jre/release

  jlink:clean:
    desc: "Remove JLink runtime and bundled JARs"
    dir: editor/src-tauri
    cmds:
      - rm -rf libs runtime

  # macOS-only. Replaces jlink:runtime's single-arch JRE with a universal
  # (arm64 + x86_64) one for the universal Tauri shell. Runs the x86_64
  # jlink under Rosetta on Apple Silicon, so it is opt-in and not part of
  # the default desktop:build flow. Requires AARCH64_JAVA_HOME and
  # X64_JAVA_HOME to point at matching JDK installations with jmods/.
  jlink:universal-mac:
    desc: "Create universal (arm64+x86_64) JRE for the macOS Tauri build"
    deps: [jlink:jar]
    platforms: [darwin]
    dir: editor
    env:
      JLINK_MODULES: "{{.JLINK_MODULES}}"
      OUTPUT_DIR: src-tauri/runtime/jre
    cmds:
      - scripts/build-universal-mac-jre.sh