Make the macOS DMG much nicer

Author: ddennedy

packaging/macos/dmg-background.png

@@ -4,7 +4,7 @@ sudo xcode-select -s /Applications/Xcode.app/
 
 SIGNER="Developer ID Application: Meltytech, LLC (Y6RX44QG2G)"
 find ~/Desktop/Shotcut.app -type d -name __pycache__ -exec rm -r {} \+
-find ~/Desktop/Shotcut.app/Contents \( -name '*.o' -or -name '*.a' -or -name '*.dSYM' \) -exec rm {} \;
+find ~/Desktop/Shotcut.app/Contents \( -name '*.o' -or -name '*.a' -or -name '*.dSYM' \) -exec rm -rf {} \;
 xattr -cr ~/Desktop/Shotcut.app
 
 # Strip any pre-existing signatures so we can overwrite (Qt SDK, etc.)
@@ -37,14 +37,65 @@ codesign --options=runtime --timestamp --force --verbose --sign "$SIGNER" \
 codesign --verify --deep --strict --verbose=4 ~/Desktop/Shotcut.app
 spctl -a -t exec -vv ~/Desktop/Shotcut.app
 
+# Create DMG with custom background and layout
 TMP=$(mktemp -d)
-mv ~/Desktop/Shotcut.app $TMP
-ln -s /Applications $TMP
-cp ../COPYING $TMP
-rm ~/Desktop/shotcut-macos-${VERSION}.dmg
-hdiutil create -srcfolder $TMP -volname Shotcut -format UDBZ -size 1500m \
-  ~/Desktop/shotcut-macos-${VERSION}.dmg
-rm -rf $TMP
+DMGDIR="$TMP/dmg"
+mkdir -p "$DMGDIR/.background"
+
+# Move app and create Applications symlink
+mv ~/Desktop/Shotcut.app "$DMGDIR/"
+ln -s /Applications "$DMGDIR/Applications"
+
+# Copy background image
+cp ../packaging/macos/dmg-background.png "$DMGDIR/.background/"
+
+# Create initial DMG (writable)
+rm -f ~/Desktop/shotcut-macos-${VERSION}.dmg
+rm -f ~/Desktop/shotcut-macos-${VERSION}-temp.dmg
+hdiutil create -srcfolder "$DMGDIR" -volname Shotcut -format UDRW -size 1500m -fs HFS+ \
+  ~/Desktop/shotcut-macos-${VERSION}-temp.dmg
+
+# Mount the temporary DMG
+device=$(hdiutil attach -readwrite -noverify ~/Desktop/shotcut-macos-${VERSION}-temp.dmg | \
+         egrep '^/dev/' | sed 1q | awk '{print $1}')
+
+# Wait for mount
+sleep 2
+
+# Run AppleScript to set up the DMG window
+osascript > /dev/null <<EOF
+tell application "Finder"
+    tell disk "Shotcut"
+        open
+        set current view of container window to icon view
+        set toolbar visible of container window to false
+        set statusbar visible of container window to false
+        set the bounds of container window to {400, 100, 1000, 500}
+        set viewOptions to the icon view options of container window
+        set arrangement of viewOptions to not arranged
+        set icon size of viewOptions to 72
+        set background picture of viewOptions to file ".background:dmg-background.png"
+        set position of item "Shotcut.app" of container window to {150, 180}
+        set position of item "Applications" of container window to {450, 180}
+        close
+        open
+        update without registering applications
+        delay 2
+    end tell
+end tell
+EOF
+
+# Unmount the DMG
+hdiutil detach "${device}"
+sleep 2
+
+# Convert to compressed read-only DMG
+hdiutil convert ~/Desktop/shotcut-macos-${VERSION}-temp.dmg \
+  -format UDBZ -o ~/Desktop/shotcut-macos-${VERSION}.dmg
+
+# Clean up
+rm -f ~/Desktop/shotcut-macos-${VERSION}-temp.dmg
+rm -rf "$TMP"
 
 ./notarize.sh ~/Desktop/shotcut-macos-${VERSION}.dmg
 ./staple.sh ~/Desktop/shotcut-macos-${VERSION}.dmg