99 lines
2.7 KiB
Bash
Executable File
99 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# --- Build script for jtop ---
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# This script compiles Java sources into a JAR.
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# If JDK is missing, it prompts the user to install it using the detected package manager.
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set -e
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JTOP_NAME="jtop"
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SRC_DIR="src"
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BIN_DIR="bin"
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JAR_FILE="${JTOP_NAME}.jar"
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MAIN_CLASS="${JTOP_NAME}.Main"
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# --- Detect package manager ---
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detect_package_manager() {
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if command -v pacman >/dev/null 2>&1; then
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echo "pacman"
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elif command -v apt >/dev/null 2>&1; then
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echo "apt"
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elif command -v dnf >/dev/null 2>&1; then
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echo "dnf"
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elif command -v yum >/dev/null 2>&1; then
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echo "yum"
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elif command -v zypper >/dev/null 2>&1; then
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echo "zypper"
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elif command -v brew >/dev/null 2>&1; then
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echo "brew"
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elif command -v apk >/dev/null 2>&1; then
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echo "apk"
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elif command -v emerge >/dev/null 2>&1; then
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echo "emerge"
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else
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echo ""
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fi
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}
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# --- Generate JDK install command ---
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jdk_install_command() {
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local pm="$1"
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case "$pm" in
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pacman) echo "pacman -Sy --noconfirm jdk-openjdk" ;;
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apt) echo "apt update && apt install -y openjdk-21-jdk || apt install -y default-jdk" ;;
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dnf) echo "dnf install -y java-21-openjdk-devel || dnf install -y java-latest-openjdk-devel" ;;
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yum) echo "yum install -y java-21-openjdk-devel || yum install -y java-latest-openjdk-devel" ;;
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zypper) echo "zypper install -y java-21-openjdk-devel || zypper install -y java-latest-openjdk-devel" ;;
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brew) echo "brew install openjdk" ;;
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apk) echo "apk add openjdk21" ;;
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emerge) echo "emerge dev-java/openjdk-bin" ;;
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*) echo "" ;;
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esac
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}
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# --- Check for javac ---
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if ! command -v javac >/dev/null 2>&1; then
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echo "Java Development Kit (JDK) not found."
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PM=$(detect_package_manager)
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if [[ -z "$PM" ]]; then
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echo "Please install the latest JDK manually and rerun this script."
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exit 1
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fi
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CMD=$(jdk_install_command "$PM")
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if [[ $EUID -ne 0 && "$PM" != "brew" ]]; then
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echo "Please run this script as root to install the JDK, or install it manually."
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exit 1
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fi
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# Prompt the user
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read -rp "Do you want to run the following command to install the JDK? [$CMD] (y/n): " ANSWER
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case "$ANSWER" in
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y|Y)
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echo "Installing JDK..."
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eval "$CMD"
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echo "JDK installed successfully."
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;;
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*)
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echo "JDK installation cancelled. Please install manually and rerun."
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exit 1
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;;
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esac
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fi
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# --- Build process ---
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echo "Cleaning previous build..."
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rm -rf "$BIN_DIR" "$JAR_FILE"
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mkdir -p "$BIN_DIR"
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echo "Compiling Java sources..."
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# The -d flag preserves the package directory structure
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find "$SRC_DIR" -name "*.java" > sources.txt
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javac -d "$BIN_DIR" @sources.txt
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rm sources.txt
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echo "Creating JAR file..."
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jar cfe "$JAR_FILE" "$MAIN_CLASS" -C "$BIN_DIR" .
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echo "Build completed successfully: ${JAR_FILE}" |