diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..cb741ed
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,86 @@
+#!/usr/bin/env bash
+# --- Build script for cflash ---
+# Compiles sources and bundles jline via Maven into a single fat JAR.
+# If Maven is missing, prompts the user to install it using the detected package manager.
+
+set -e
+
+JAR_FILE="cflash.jar"
+
+# --- Detect package manager ---
+detect_package_manager() {
+	if command -v pacman >/dev/null 2>&1; then
+		echo "pacman"
+	elif command -v apt >/dev/null 2>&1; then
+		echo "apt"
+	elif command -v dnf >/dev/null 2>&1; then
+		echo "dnf"
+	elif command -v yum >/dev/null 2>&1; then
+		echo "yum"
+	elif command -v zypper >/dev/null 2>&1; then
+		echo "zypper"
+	elif command -v brew >/dev/null 2>&1; then
+		echo "brew"
+	elif command -v apk >/dev/null 2>&1; then
+		echo "apk"
+	elif command -v emerge >/dev/null 2>&1; then
+		echo "emerge"
+	else
+		echo ""
+	fi
+}
+
+# --- Generate Maven install command ---
+maven_install_command() {
+	local pm="$1"
+	case "$pm" in
+		pacman) echo "pacman -Sy --noconfirm maven" ;;
+		apt) echo "apt update && apt install -y maven" ;;
+		dnf) echo "dnf install -y maven" ;;
+		yum) echo "yum install -y maven" ;;
+		zypper) echo "zypper install -y maven" ;;
+		brew) echo "brew install maven" ;;
+		apk) echo "apk add maven" ;;
+		emerge) echo "emerge dev-java/maven-bin" ;;
+		*) echo "" ;;
+	esac
+}
+
+# --- Check for mvn ---
+if ! command -v mvn >/dev/null 2>&1; then
+	echo "Maven (mvn) not found."
+	PM=$(detect_package_manager)
+
+	if [[ -z "$PM" ]]; then
+		echo "Please install Maven manually and rerun this script."
+		exit 1
+	fi
+
+	CMD=$(maven_install_command "$PM")
+	if [[ $EUID -ne 0 && "$PM" != "brew" ]]; then
+		echo "Please run this script as root to install Maven, or install it manually."
+		exit 1
+	fi
+
+	read -rp "Do you want to run the following command to install Maven? [$CMD] (y/n): " ANSWER
+	case "$ANSWER" in
+		y|Y)
+			echo "Installing Maven..."
+			eval "$CMD"
+			echo "Maven installed successfully."
+			;;
+		*)
+			echo "Maven installation cancelled. Please install manually and rerun."
+			exit 1
+			;;
+	esac
+fi
+
+# --- Build process ---
+echo "Building cflash with Maven..."
+mvn package -q
+
+echo "Copying fat JAR to ${JAR_FILE}..."
+cp target/cflash-*-jar-with-dependencies.jar "$JAR_FILE"
+
+echo "Build completed successfully: ${JAR_FILE}"
diff --git a/cflash.sh b/cflash.sh
new file mode 100755
index 0000000..8f00d19
--- /dev/null
+++ b/cflash.sh
@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+# cflash launcher with self-update via git + rebuild (requires sudo for update)
+
+CFLASH_DIR="/usr/local/lib/cflash"
+CFLASH_JAR="$CFLASH_DIR/cflash.jar"
+GIT_REPO="https://gitea.cametendo.org/cametendo/cflash.git"
+
+update_cflash() {
+    # Check for sudo/root
+    if [[ $EUID -ne 0 ]]; then
+        echo "cflash --update requires root privileges. Please run with sudo."
+        exit 1
+    fi
+
+    echo "Updating cflash from repository..."
+
+    TMP_DIR=$(mktemp -d)
+    echo "Cloning repository into $TMP_DIR..."
+    
+    if ! git clone --depth 1 "$GIT_REPO" "$TMP_DIR"; then
+        echo "Failed to clone repository."
+        rm -rf "$TMP_DIR"
+        exit 1
+    fi
+
+    pushd "$TMP_DIR" >/dev/null
+
+    # Logic to handle if the repo contents are nested inside a 'cflash' folder
+    if [[ ! -f "./build.sh" && -d "cflash" ]]; then
+        echo "Detected nested directory, moving into cflash/..."
+        cd cflash
+    fi
+
+    # Ensure build.sh is executable (git usually preserves this, but just in case)
+    if [[ -f "./build.sh" ]]; then
+        chmod +x ./build.sh
+        echo "Building cflash..."
+        if ! ./build.sh; then
+            echo "Build failed."
+            popd >/dev/null
+            rm -rf "$TMP_DIR"
+            exit 1
+        fi
+    else
+        echo "Error: build.sh not found in the repository root or cflash/ directory."
+        popd >/dev/null
+        rm -rf "$TMP_DIR"
+        exit 1
+    fi
+
+    echo "Installing new version..."
+    if [[ -f "./install.sh" ]]; then
+        chmod +x ./install.sh
+        if ! ./install.sh; then
+            echo "Install failed."
+            popd >/dev/null
+            rm -rf "$TMP_DIR"
+            exit 1
+        fi
+    else
+        echo "Error: install.sh not found."
+        popd >/dev/null
+        rm -rf "$TMP_DIR"
+        exit 1
+    fi
+
+    popd >/dev/null
+    rm -rf "$TMP_DIR"
+    echo "Update completed successfully!"
+    exit 0
+}
+
+# Handle --update argument
+if [[ "$1" == "--update" ]]; then
+    update_cflash
+fi
+
+# Run cflash normally
+if [[ -f "$CFLASH_JAR" ]]; then
+    java --enable-native-access=ALL-UNNAMED -jar "$CFLASH_JAR" "$@"
+else
+    echo "Error: $CFLASH_JAR not found. Please run 'sudo cflash --update' to install."
+    exit 1
+fi
\ No newline at end of file
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..9282cd6
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# Install script for system-wide usage
+
+# Ensure running as root
+if [[ $EUID -ne 0 ]]; then
+	echo "Please run as root to install globally."
+	exit 1
+fi
+
+# Create installation directories
+mkdir -p /usr/local/lib/cflash
+cp cflash.jar /usr/local/lib/cflash/
+cp cflash.sh /usr/local/bin/cflash
+chmod +x /usr/local/bin/cflash
+
+echo "cflash installed successfully! You can now run 'cflash' from anywhere."