🚀 feat(_cli): add kernel switcher

snigdhaos-kernel-switcher-cli/PKGBUILD

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+# Maintainer: Eshan Roy <eshan@snigdhaos.org>
+
+pkgname=snigdhaos-kernel-manager-cli
+pkgver=1.0
+pkgrel=1
+pkgdesc="A script to manage Linux kernels on Snigdha OS"
+arch=(
+    'any'
+    )
+url="https://snigdhaos.org"
+license=(
+    'MIT'
+    )
+depends=(
+    'bash' 
+    'sudo' 
+    'pacman'
+    )
+optdepends=(
+    'xterm: for terminal UI if launched from a GUI'
+    )
+source=(
+    "snigdhaos-kernel-manager-cli.sh"
+    "snigdhaos-kernel-manager-cli.desktop"
+    )
+sha256sums=(
+    'SKIP'  
+    'SKIP'
+    ) 
+
+package() {
+    # Install the script
+    install -Dm755 "snigdhaos-kernel-manager-cli.sh" "${pkgdir}/usr/local/bin/snigdhaos-kernel-manager-cli.sh"
+
+    # Install the desktop entry
+    install -Dm644 "snigdhaos-kernel-manager-cli.desktop" "${pkgdir}/usr/share/applications/snigdhaos-kernel-manager-cli.desktop"
+}

snigdhaos-kernel-switcher-cli/snigdhaos-kernel-manager-cli.desktop

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+[Desktop Entry]
+Name=Snigdha OS Kernel Manager CLI
+Comment=Manage Linux kernels on Snigdha OS
+Exec=sudo /usr/local/bin/snigdhaos-kernel-manager-cli.sh
+Icon=package-x-generic
+Terminal=true
+Type=Application
+Categories=System;Settings;

snigdhaos-kernel-switcher-cli/snigdhaos-kernel-manager-cli.sh

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+#!/bin/bash
+
+# Define color codes
+RED='\033[1;31m'
+GREEN='\033[1;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[1;34m'
+CYAN='\033[1;36m'
+RESET='\033[0m'
+
+# Function to check if the script is run as root
+check_root() {
+    if [[ $EUID -ne 0 ]]; then
+        echo -e "${RED}This script must be run as root. Please use sudo or switch to root.${RESET}"
+        exit 1
+    fi
+}
+
+# Function to list installed kernels with descriptions
+list_installed_kernels() {
+    echo -e "${BLUE}Currently installed kernels:${RESET}"
+    pacman -Q | grep -E '^linux(-lts|-zen|-hardened|-xanmod|-ck|-clear|-lqx)?($|-headers)' | while read -r kernel _; do
+        case "$kernel" in
+            linux)
+                echo -e "${CYAN}$kernel:${RESET} Default Arch Linux kernel (general-purpose)."
+                ;;
+            linux-lts)
+                echo -e "${CYAN}$kernel:${RESET} Long-Term Support (LTS) kernel for stability."
+                ;;
+            linux-zen)
+                echo -e "${CYAN}$kernel:${RESET} Zen kernel optimized for desktop performance."
+                ;;
+            linux-hardened)
+                echo -e "${CYAN}$kernel:${RESET} Security-focused kernel with additional patches."
+                ;;
+            *)
+                echo -e "${CYAN}$kernel:${RESET} Custom or community kernel."
+                ;;
+        esac
+    done || echo -e "${YELLOW}No kernels found.${RESET}"
+}
+
+# Function to install kernel and headers from official repositories
+install_official_kernel() {
+    while true; do
+        echo -e "${BLUE}Available kernel options:${RESET}"
+        echo -e "1) ${CYAN}linux:${RESET} Default Arch Linux kernel (general-purpose)."
+        echo -e "2) ${CYAN}linux-lts:${RESET} Long-Term Support (LTS) kernel for stability."
+        echo -e "3) ${CYAN}linux-zen:${RESET} Zen kernel optimized for desktop performance."
+        echo -e "4) ${CYAN}linux-hardened:${RESET} Security-focused kernel with additional patches."
+        echo -e "5) ${CYAN}Custom kernel name.${RESET}"
+        echo -e "6) ${YELLOW}Go back to the main menu.${RESET}"
+
+        echo -e "${YELLOW}Choose a kernel option (1-6):${RESET}"
+        read -r choice
+        case $choice in
+            1) kernel="linux" ;;
+            2) kernel="linux-lts" ;;
+            3) kernel="linux-zen" ;;
+            4) kernel="linux-hardened" ;;
+            5)
+                echo -e "${YELLOW}Enter the custom kernel name:${RESET}"
+                read -r kernel
+                ;;
+            6)
+                echo -e "${YELLOW}Returning to the main menu...${RESET}"
+                return
+                ;;
+            *)
+                echo -e "${RED}Invalid option. Please choose a valid option.${RESET}"
+                continue
+                ;;
+        esac
+
+        echo -e "${CYAN}Installing kernel:${RESET} $kernel and its headers..."
+        pacman -Sy --noconfirm && pacman -S --needed --noconfirm "$kernel" "$kernel-headers" && {
+            echo -e "${GREEN}Successfully installed $kernel and $kernel-headers.${RESET}"
+        } || {
+            echo -e "${RED}Failed to install $kernel or its headers. Check the kernel name or your package manager.${RESET}"
+        }
+        return
+    done
+}
+
+# Function to install community kernels from AUR
+install_community_kernel() {
+    while true; do
+        echo -e "${BLUE}Choose a community kernel to install from the AUR:${RESET}"
+        echo -e "1) ${CYAN}linux-xanmod:${RESET} XanMod Kernel optimized for performance and gaming."
+        echo -e "2) ${CYAN}linux-ck:${RESET} CK Kernel optimized for low-latency tasks."
+        echo -e "3) ${CYAN}linux-zen:${RESET} Zen Kernel (community build with desktop optimizations)."
+        echo -e "4) ${CYAN}linux-clear:${RESET} Clear Linux Kernel optimized by Intel for speed."
+        echo -e "5) ${CYAN}linux-lqx:${RESET} Liquorix Kernel for gaming and multimedia."
+        echo -e "6) ${YELLOW}Back to the main menu.${RESET}"
+
+        echo -e "${YELLOW}Choose an option (1-6):${RESET}"
+        read -r aur_choice
+        case $aur_choice in
+            1) aur_kernel="linux-xanmod" ;;
+            2) aur_kernel="linux-ck" ;;
+            3) aur_kernel="linux-zen" ;;
+            4) aur_kernel="linux-clear" ;;
+            5) aur_kernel="linux-lqx" ;;
+            6)
+                echo -e "${YELLOW}Returning to the main menu...${RESET}"
+                return
+                ;;
+            *)
+                echo -e "${RED}Invalid option. Please choose a valid option.${RESET}"
+                continue
+                ;;
+        esac
+
+        # Check if AUR helper is installed
+        if ! command -v paru &>/dev/null && ! command -v yay &>/dev/null; then
+            echo -e "${RED}No AUR helper (paru or yay) detected.${RESET}"
+            echo -e "${YELLOW}Would you like to install one of the following? (y/N):${RESET}"
+            echo -e "1) ${CYAN}Install paru${RESET}"
+            echo -e "2) ${CYAN}Install yay${RESET}"
+            echo -e "3) ${YELLOW}Back to the main menu${RESET}"
+            read -r install_choice
+            case $install_choice in
+                1)
+                    echo -e "${CYAN}Installing paru...${RESET}"
+                    pacman -S --needed --noconfirm paru && echo -e "${GREEN}paru installed successfully.${RESET}" || echo -e "${RED}Failed to install paru.${RESET}"
+                    ;;
+                2)
+                    echo -e "${CYAN}Installing yay...${RESET}"
+                    pacman -S --needed --noconfirm yay && echo -e "${GREEN}yay installed successfully.${RESET}" || echo -e "${RED}Failed to install yay.${RESET}"
+                    ;;
+                3)
+                    echo -e "${YELLOW}Returning to the main menu...${RESET}"
+                    return
+                    ;;
+                *)
+                    echo -e "${RED}Invalid choice. Returning to the main menu...${RESET}"
+                    return
+                    ;;
+            esac
+        fi
+
+        # Install the chosen kernel from AUR
+        aur_helper=$(command -v paru || command -v yay)
+        echo -e "${CYAN}Installing $aur_kernel from AUR...${RESET}"
+        $aur_helper -S --needed "$aur_kernel" "$aur_kernel-headers" && {
+            echo -e "${GREEN}Successfully installed $aur_kernel and $aur_kernel-headers.${RESET}"
+        } || {
+            echo -e "${RED}Failed to install $aur_kernel. Check the kernel name or your AUR helper.${RESET}"
+        }
+        return
+    done
+}
+
+# Function to uninstall a kernel
+uninstall_kernel() {
+    while true; do
+        echo -e "${BLUE}List of installed kernels:${RESET}"
+        kernels=$(pacman -Q | grep -E '^linux(-lts|-zen|-hardened)?($|-headers)' | awk '{print $1}')
+
+        if [[ -z "$kernels" ]]; then
+            echo -e "${YELLOW}No kernels installed to uninstall.${RESET}"
+            return
+        fi
+
+        options=($kernels "Go back")
+        select kernel in "${options[@]}"; do
+            if [[ "$kernel" == "Go back" ]]; then
+                echo -e "${YELLOW}Returning to the main menu...${RESET}"
+                return
+            elif [[ -n "$kernel" ]]; then
+                echo -e "${CYAN}You selected $kernel for uninstallation.${RESET}"
+                break
+            else
+                echo -e "${RED}Invalid choice. Please select a valid kernel or choose 'Go back'.${RESET}"
+            fi
+        done
+
+        echo -e "${RED}Warning:${RESET} Removing kernels could make your system unbootable if not handled properly."
+        echo -e "${YELLOW}Are you sure you want to uninstall $kernel? (y/N):${RESET}"
+        read -r choice
+        if [[ "$confirm" =~ ^[Yy]$ ]]; then
+            pacman -Rns --noconfirm "$kernel" "$kernel-headers" && {
+                echo -e "${GREEN}Successfully uninstalled $kernel and $kernel-headers.${RESET}"
+            } || {
+                echo -e "${RED}Failed to uninstall $kernel or its headers. They may not be installed.${RESET}"
+            }
+        else
+            echo -e "${YELLOW}Uninstallation cancelled.${RESET}"
+        fi
+    done
+}
+
+# Main menu loop
+main_menu() {
+    while true; do
+        echo -e "\n${BLUE}Kernel Manager${RESET}"
+        echo -e "1) ${CYAN}List installed kernels${RESET}"
+        echo -e "2) ${CYAN}Install a kernel from official repositories${RESET}"
+        echo -e "3) ${CYAN}Install a community kernel from AUR${RESET}"
+        echo -e "4) ${CYAN}Uninstall a kernel${RESET}"
+        echo -e "5) ${YELLOW}Exit${RESET}"
+
+        echo -e "${YELLOW}Choose an option (1-5):${RESET} "
+        read -r option
+        case $option in
+            1) list_installed_kernels ;;
+            2) install_official_kernel ;;
+            3) install_community_kernel ;;
+            4) uninstall_kernel ;;
+            5)
+                echo -e "${GREEN}Exiting. Goodbye!${RESET}"
+                break
+                ;;
+            *)
+                echo -e "${RED}Invalid option. Please choose a valid option.${RESET}"
+                ;;
+        esac
+    done
+}
+
+# Check for root privileges and start the menu
+check_root
+main_menu