Package app

.github/workflows/build-dmg.yml

@@ -0,0 +1,34 @@
+name: Build DMG
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  build-dmg:
+    runs-on: macos-15
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+
+      - name: Build DMG
+        run: make dmg
+
+      - name: Upload DMG artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: CroPDF-dmg
+          path: dist/CroPDF.dmg
+          if-no-files-found: error

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 /.build
+/dist
 /Packages
 xcuserdata/
 DerivedData/

Makefile

@@ -0,0 +1,30 @@
+APP_NAME := CroPDF
+EXECUTABLE := CroPDFMacOS
+CONFIGURATION ?= release
+DIST_DIR := $(CURDIR)/dist
+APP_DIR := $(DIST_DIR)/$(APP_NAME).app
+CONTENTS_DIR := $(APP_DIR)/Contents
+MACOS_DIR := $(CONTENTS_DIR)/MacOS
+RESOURCES_DIR := $(CONTENTS_DIR)/Resources
+DMG_PATH := $(DIST_DIR)/$(APP_NAME).dmg
+CREATE_DMG_VERSION ?= 8.0.0
+
+.PHONY: dmg clean
+
+dmg:
+	@set -euo pipefail; \
+	swift build --disable-sandbox -c "$(CONFIGURATION)"; \
+	BIN_DIR="$$(swift build --disable-sandbox -c "$(CONFIGURATION)" --show-bin-path)"; \
+	rm -rf "$(APP_DIR)"; \
+	mkdir -p "$(MACOS_DIR)" "$(RESOURCES_DIR)"; \
+	cp "$$BIN_DIR/$(EXECUTABLE)" "$(MACOS_DIR)/$(EXECUTABLE)"; \
+	cp -R "$$BIN_DIR/$(EXECUTABLE)_$(EXECUTABLE).bundle" "$(RESOURCES_DIR)/$(EXECUTABLE)_$(EXECUTABLE).bundle"; \
+	cp "$(CURDIR)/src/Resources/$(APP_NAME).icns" "$(RESOURCES_DIR)/$(APP_NAME).icns"; \
+	cp "$(CURDIR)/scripts/Info.plist" "$(CONTENTS_DIR)/Info.plist"; \
+	rm -f "$(DMG_PATH)"; \
+	npx --yes "create-dmg@$(CREATE_DMG_VERSION)" --overwrite --no-version-in-filename --no-code-sign "$(APP_DIR)" "$(DIST_DIR)"; \
+	rm -rf "$(APP_DIR)"; \
+	echo "Built $(DMG_PATH)"
+
+clean:
+	rm -rf "$(DIST_DIR)"

Package.swift

@@ -9,7 +9,10 @@ let package = Package(
     targets: [
         .executableTarget(
             name: "CroPDFMacOS",
-            path: "src"
+            path: "src",
+            resources: [
+                .process("Resources"),
+            ]
         ),
     ]
 )

README.md

@@ -41,3 +41,17 @@ swift run CroPDFMacOS /path/to/file.pdf --page 12
 ```
 
 You can also open the package directly in Xcode and run it as a macOS app target.
+
+## Package As .app
+
+There is no dedicated `.app` packaging command anymore. The supported packaging output is the DMG.
+
+## Package As .dmg
+
+```bash
+make dmg
+```
+
+This builds a temporary app bundle, packages it with `create-dmg`, and leaves you with `dist/CroPDF.dmg`. The intermediate `dist/CroPDF.app` is removed automatically.
+
+`Node.js` and `npm` are required for the DMG step because the script downloads `create-dmg` on demand.

scripts/Info.plist

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>en</string>
+    <key>CFBundleExecutable</key>
+    <string>CroPDFMacOS</string>
+    <key>CFBundleIconFile</key>
+    <string>CroPDF</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.ericceglie.CroPDF</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundleName</key>
+    <string>CroPDF</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0</string>
+    <key>CFBundleVersion</key>
+    <string>1</string>
+    <key>LSMinimumSystemVersion</key>
+    <string>14.0</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+    <key>NSPrincipalClass</key>
+    <string>NSApplication</string>
+</dict>
+</plist>

src/CroPDFMacOSApp.swift

@@ -3,10 +3,30 @@ import SwiftUI
 
 final class CroPDFAppDelegate: NSObject, NSApplicationDelegate {
     func applicationDidFinishLaunching(_ notification: Notification) {
+        if let iconImage = appIconImage() {
+            NSApp.applicationIconImage = iconImage
+        }
+
         NSApp.setActivationPolicy(.regular)
         NSApp.activate(ignoringOtherApps: true)
         NSApp.windows.first?.makeKeyAndOrderFront(nil)
     }
+
+    private func appIconImage() -> NSImage? {
+        let candidates = [
+            ("CroPDF", "icns"),
+            ("CroPDFIcon", "png"),
+        ]
+
+        for (name, ext) in candidates {
+            if let iconURL = Bundle.module.url(forResource: name, withExtension: ext),
+               let iconImage = NSImage(contentsOf: iconURL) {
+                return iconImage
+            }
+        }
+
+        return nil
+    }
 }
 
 @main