Improve release compression for smaller downloads

.github/workflows/release.yml

@@ -50,4 +50,4 @@ jobs:
             ./archive.zip
             ./NumberGuessingGame-windows.zip
             ./NumberGuessingGame-macos.zip
-            ./NumberGuessingGame-linux.tar.gz
+            ./NumberGuessingGame-linux.tar.xz

README.md

@@ -47,7 +47,7 @@ Download the platform-specific package with bundled JRE from the [latest release
 
 - **Windows**: `NumberGuessingGame-windows.zip` (no Java installation required)
 - **macOS**: `NumberGuessingGame-macos.zip` (no Java installation required)
-- **Linux**: `NumberGuessingGame-linux.tar.gz` (no Java installation required)
+- **Linux**: `NumberGuessingGame-linux.tar.xz` (no Java installation required)
 
 Extract the downloaded archive and run:
 
@@ -183,7 +183,7 @@ Run the following scripts to create platform-specific packages with bundled JRE:
 ```bash
 ./package-win.sh  # Creates NumberGuessingGame-windows.zip
 ./package-macos.sh    # Creates NumberGuessingGame-macos.zip
-./package-linux.sh    # Creates NumberGuessingGame-linux.tar.gz
+./package-linux.sh    # Creates NumberGuessingGame-linux.tar.xz
 ```
 
 These packages include a bundled JRE and do not require Java to be installed on the target system. They are automatically built and uploaded to GitHub Releases via GitHub Actions.

package-linux.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Script to create a Linux package with bundled JRE for Number Guessing Game
 # This creates a self-contained package that doesn't require Java to be installed
-# Output: NumberGuessingGame-linux.tar.gz
+# Output: NumberGuessingGame-linux.tar.xz
 
 # Exit immediately if any command fails
 set -e
@@ -16,6 +16,7 @@ ADOPTIUM_BASE_URL="https://api.adoptium.net/v3/binary/latest/8/ga"
 # Clean up any previous builds
 rm -rf ${PACKAGE_NAME}
 rm -rf ${JRE_DIR}
+rm -f ${PACKAGE_NAME}.tar.xz
 rm -f ${PACKAGE_NAME}.tar.gz
 
 # Build the application using Gradle
@@ -58,14 +59,14 @@ EOF
 # Make the run script executable
 chmod +x ${PACKAGE_NAME}/run.sh
 
-# Create the final tar.gz archive
-echo "Creating tar.gz archive..."
-tar -czf ${PACKAGE_NAME}.tar.gz ${PACKAGE_NAME}/
+# Create the final tar.xz archive with maximum compression
+echo "Creating tar.xz archive..."
+tar -cJf ${PACKAGE_NAME}.tar.xz ${PACKAGE_NAME}/
 
 # Clean up temporary directories
 rm -rf ${PACKAGE_NAME}
 rm -rf ${JRE_DIR}
 
 echo ""
-echo "✓ Linux package with bundled JRE created: ${PACKAGE_NAME}.tar.gz"
+echo "✓ Linux package with bundled JRE created: ${PACKAGE_NAME}.tar.xz"
 echo ""

package-macos.sh

@@ -58,9 +58,9 @@ EOF
 # Make the run script executable
 chmod +x ${PACKAGE_NAME}/run.sh
 
-# Create the final zip archive
+# Create the final zip archive with maximum compression
 echo "Creating zip archive..."
-zip -r ${PACKAGE_NAME}.zip ${PACKAGE_NAME}/
+zip -9 -r ${PACKAGE_NAME}.zip ${PACKAGE_NAME}/
 
 # Clean up temporary directories
 rm -rf ${PACKAGE_NAME}

package-win.sh

@@ -54,9 +54,9 @@ jre\bin\java.exe -jar game.jar
 @pause
 EOF
 
-# Create the final zip archive
+# Create the final zip archive with maximum compression
 echo "Creating zip archive..."
-zip -r ${PACKAGE_NAME}.zip ${PACKAGE_NAME}/
+zip -9 -r ${PACKAGE_NAME}.zip ${PACKAGE_NAME}/
 
 # Clean up temporary directories
 rm -rf ${PACKAGE_NAME}

package-zip.bat

@@ -17,8 +17,8 @@ copy scripts\run.sh NumberGuessingGame\run.sh
 copy README.md NumberGuessingGame\README.txt
 copy LICENSE NumberGuessingGame\LICENSE
 
-REM Create the ZIP archive using PowerShell
-powershell -command "Compress-Archive -Path NumberGuessingGame -DestinationPath archive.zip -Force"
+REM Create the ZIP archive using PowerShell with maximum compression
+powershell -command "Compress-Archive -Path NumberGuessingGame -DestinationPath archive.zip -CompressionLevel Optimal -Force"
 
 REM Clean up temporary directory
 rmdir /s /q NumberGuessingGame

package-zip.sh

@@ -22,8 +22,8 @@ cp -r scripts/run.sh NumberGuessingGame/run.sh
 cp -r README.md NumberGuessingGame/README.txt
 cp -r LICENSE NumberGuessingGame/LICENSE
 
-# Create the ZIP archive
-zip -r archive.zip NumberGuessingGame/
+# Create the ZIP archive with maximum compression
+zip -9 -r archive.zip NumberGuessingGame/
 
 # Clean up temporary directory
 rm -rf NumberGuessingGame