fat jar build

1 files changed, 61 insertions, 0 deletions

diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..ca768c4
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+set -e
+
+echo "=== 1. Cleaning Workspace ==="
+rm -rf bin stage
+mkdir bin bin/classes bin/test-classes stage
+
+echo "=== 2. Compiling Production Code ==="
+javac -d bin/classes -cp "lib/*" src/main/java/com/example/App.java
+
+echo "=== 3. Compiling Test Code ==="
+javac -d bin/test-classes -cp "bin:lib/*" src/test/java/com/example/AppTest.java
+
+echo "=== 4. Running Automated Tests ==="
+JUNIT_JAR=$(find lib/junit-platform-console-standalone-*.jar | head -n 1)
+if [ -z "$JUNIT_JAR" ]; then
+  echo "JUnit jar missing."
+  exit 1
+fi
+
+set +e
+java -jar "$JUNIT_JAR" execute -cp "bin:lib/*" --scan-classpath
+TEST_STATUS=$?
+set -e
+
+if [ $TEST_STATUS -ne 0 ]; then
+  echo "❌ Tests failed! Aborting build package."
+  exit 1
+fi
+echo "✅ Tests passed successfully!"
+
+echo "=== 5. Extracting Dependencies for Fat JAR ==="
+cd stage
+for jarfile in ../lib/*.jar; do
+  echo "$jarfile"
+  # Skip the JUnit jar so we don't bloat production code
+  if [[ "$jarfile" == *"junit-platform-console-standalone"* ]]; then
+    continue
+  fi
+  if [ -f "$jarfile" ]; then
+    echo "Extracting: $(basename "$jarfile")"
+    jar -xf "$jarfile"
+  fi
+done
+# Clean up extracted manifest directories to prevent conflicts
+rm -rf META-INF
+cd ..
+
+echo "=== 6. Merging Assets into Fat JAR ==="
+# Copy your own compiled production classes into the staging folder
+cp -r bin/* stage/
+
+# Package everything in the staging area into the final JAR
+jar cfe dist/app.jar com.example.App -C stage/classes/ .
+
+# Clean up staging area
+rm -rf stage
+echo "======================================"
+echo "🎉 Fat JAR Created! Run it anywhere using:"
+echo "java -jar app.jar"
+echo "======================================"