feat: package macOS builds as .app bundle in .dmg installer

Create a proper HostSync.app bundle with Info.plist, then package it
into a DMG with an Applications symlink so users can drag-and-drop
to install. Replaces the previous bare binary tar.gz for macOS.

Author: fjh1997

.github/workflows/ci.yml

@@ -88,7 +88,30 @@ jobs:
         if: matrix.cross
         run: aarch64-linux-gnu-strip target/${{ matrix.target }}/release/${{ matrix.artifact }}
 
+      - name: Create macOS .app bundle
+        if: runner.os == 'macOS'
+        run: |
+          APP="HostSync.app"
+          mkdir -p "$APP/Contents/MacOS" "$APP/Contents/Resources"
+          cp target/${{ matrix.target }}/release/${{ matrix.artifact }} "$APP/Contents/MacOS/hostsync"
+          cp crates/hostsync-desktop/Info.plist "$APP/Contents/"
+
+      - name: Create macOS .dmg
+        if: runner.os == 'macOS'
+        run: |
+          mkdir -p dmg-staging
+          cp -r HostSync.app dmg-staging/
+          ln -s /Applications dmg-staging/Applications
+          hdiutil create -volname "HostSync" -srcfolder dmg-staging -ov -format UDZO "HostSync-${{ matrix.name }}.dmg"
+
+      - uses: actions/upload-artifact@v4
+        if: runner.os == 'macOS'
+        with:
+          name: hostsync-${{ matrix.name }}
+          path: HostSync-${{ matrix.name }}.dmg
+
       - uses: actions/upload-artifact@v4
+        if: runner.os != 'macOS'
         with:
           name: hostsync-${{ matrix.name }}
           path: target/${{ matrix.target }}/release/${{ matrix.artifact }}
@@ -218,7 +241,7 @@ jobs:
       - name: Package artifacts
         run: |
           cd artifacts
-          for dir in hostsync-linux-* hostsync-macos-*; do
+          for dir in hostsync-linux-*; do
             [ -d "$dir" ] && chmod +x "$dir/hostsync" && tar czf "${dir}.tar.gz" -C "$dir" hostsync
           done
           for dir in hostsync-windows-*; do
@@ -236,7 +259,7 @@ jobs:
             artifacts/hostsync-linux-arm64.tar.gz
             artifacts/hostsync-windows-x64.zip
             artifacts/hostsync-windows-arm64.zip
-            artifacts/hostsync-macos-x64.tar.gz
-            artifacts/hostsync-macos-arm64.tar.gz
+            artifacts/hostsync-macos-x64/HostSync-macos-x64.dmg
+            artifacts/hostsync-macos-arm64/HostSync-macos-arm64.dmg
             artifacts/android-apk/HostSync.apk
             artifacts/ios-ipa/HostSync.ipa

.github/workflows/release.yml

@@ -89,15 +89,38 @@ jobs:
         if: matrix.cross
         run: aarch64-linux-gnu-strip target/${{ matrix.target }}/release/${{ matrix.artifact }}
 
-      - name: Package (Unix)
-        if: runner.os != 'Windows'
+      - name: Create macOS .app bundle
+        if: runner.os == 'macOS'
+        run: |
+          APP="HostSync.app"
+          mkdir -p "$APP/Contents/MacOS" "$APP/Contents/Resources"
+          cp target/${{ matrix.target }}/release/${{ matrix.artifact }} "$APP/Contents/MacOS/hostsync"
+          cp crates/hostsync-desktop/Info.plist "$APP/Contents/"
+
+      - name: Create macOS .dmg
+        if: runner.os == 'macOS'
+        run: |
+          mkdir -p dmg-staging
+          cp -r HostSync.app dmg-staging/
+          ln -s /Applications dmg-staging/Applications
+          hdiutil create -volname "HostSync" -srcfolder dmg-staging -ov -format UDZO "HostSync-${{ matrix.name }}.dmg"
+
+      - name: Package (Linux)
+        if: runner.os == 'Linux'
         run: tar czf hostsync-${{ matrix.name }}.tar.gz -C target/${{ matrix.target }}/release ${{ matrix.artifact }}
 
       - name: Package (Windows)
         if: runner.os == 'Windows'
         run: Compress-Archive -Path target/${{ matrix.target }}/release/${{ matrix.artifact }} -DestinationPath hostsync-${{ matrix.name }}.zip
 
       - uses: actions/upload-artifact@v4
+        if: runner.os == 'macOS'
+        with:
+          name: hostsync-${{ matrix.name }}
+          path: HostSync-${{ matrix.name }}.dmg
+
+      - uses: actions/upload-artifact@v4
+        if: runner.os != 'macOS'
         with:
           name: hostsync-${{ matrix.name }}
           path: hostsync-${{ matrix.name }}.*
@@ -203,8 +226,8 @@ jobs:
             artifacts/hostsync-linux-arm64/hostsync-linux-arm64.tar.gz
             artifacts/hostsync-windows-x64/hostsync-windows-x64.zip
             artifacts/hostsync-windows-arm64/hostsync-windows-arm64.zip
-            artifacts/hostsync-macos-x64/hostsync-macos-x64.tar.gz
-            artifacts/hostsync-macos-arm64/hostsync-macos-arm64.tar.gz
+            artifacts/hostsync-macos-x64/HostSync-macos-x64.dmg
+            artifacts/hostsync-macos-arm64/HostSync-macos-arm64.dmg
             artifacts/android-apk/HostSync.apk
             artifacts/ios-ipa/HostSync.ipa
 

crates/hostsync-desktop/Info.plist

@@ -0,0 +1,26 @@
+<?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>CFBundleName</key>
+    <string>HostSync</string>
+    <key>CFBundleDisplayName</key>
+    <string>HostSync</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.hostsync.app</string>
+    <key>CFBundleVersion</key>
+    <string>1.0.0</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0.0</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleExecutable</key>
+    <string>hostsync</string>
+    <key>LSMinimumSystemVersion</key>
+    <string>11.0</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+    <key>CFBundleIconFile</key>
+    <string>AppIcon</string>
+</dict>
+</plist>