Barebones AUR wrapper

aur.sh

#!/bin/bash

# Function to clone AUR package
clone_package() {
    if [ -d ~/aur/"$1" ]; then
        echo "Package '$1' already exists."
    else
        git clone "https://aur.archlinux.org/$1.git" ~/aur/"$1"
        echo "Package '$1' cloned successfully."
    fi
}

# Function to update AUR package
update_package() {
    if [ -z "$1" ]; then
        updated_packages=()
        for package_dir in ~/aur/*/; do
            package=$(basename "$package_dir")
            cd "$package_dir" || exit
            before_log=$(git log -1 --pretty=%H)
            git pull &> /dev/null
            after_log=$(git log -1 --pretty=%H)
            if [ "$before_log" != "$after_log" ]; then
                updated_packages+=("$package")
            fi
        done
        if [ ${#updated_packages[@]} -eq 0 ]; then
            echo "No updates available for any packages."
        else
            echo "Updated packages:"
            printf '%s\n' "${updated_packages[@]}"
        fi
    else
        if [ -d ~/aur/"$1" ]; then
            cd ~/aur/"$1" || exit
            before_log=$(git log -1 --pretty=%H)
            git pull &> /dev/null
            after_log=$(git log -1 --pretty=%H)
            if [ "$before_log" != "$after_log" ]; then
                echo "Package '$1' updated successfully."
            else
                echo "No updates available for package '$1'."
            fi
        else
            echo "Package '$1' does not exist. Use 'clone' action to clone it first."
        fi
    fi
}

# Function to build AUR package
build_package() {
    if [ -d ~/aur/"$1" ]; then
        cd ~/aur/"$1" || exit
        makepkg -si
    else
        echo "Package '$1' does not exist. Use 'clone' action to clone it first."
    fi
}

# Function to install AUR package
install_package() {
    if [ -f ~/aur/"$1"/*.pkg.tar.zst ]; then
        sudo pacman -U ~/aur/"$1"/*.pkg.tar.zst
    else
        echo "Package '$1' is not built yet. Use 'build' action to build it first."
    fi
}

# Main script
case "$1" in
    clone)
        clone_package "$2"
        ;;
    update)
        update_package "$2"
        ;;
    build)
        build_package "$2"
        ;;
    install)
        install_package "$2"
        ;;
    *)
        echo "Usage: aur.sh [clone|update|build|install] package_name"
        exit 1
        ;;
esac