Install AUR Helper

install.sh

# ansi
GREEN='\033[0;32m'
RED='\033[0;31m'
RESET='\033[0m'

# exit if paru or yay is installed
if command -v paru &>/dev/null; then
  echo -e "${GREEN}paru${RESET} is already installed."
  exit
elif command -v yay &>/dev/null; then
  echo -e "${GREEN}yay${RESET} is already installed."
  exit
fi

echo -e "${RED}Neither${RESET} ${GREEN}paru${RESET} ${RED}nor${RESET} ${GREEN}yay${RESET} are installed."

# ask aur helper
while true; do
  echo -ne "Which ${GREEN}AUR helper${RESET} do you want to install? (yay/paru): "
  read aurhelper

  # check if the input is valid
  if [ "$aurhelper" = "yay" ] || [ "$aurhelper" = "paru" ]; then
    break
  else
    echo -e "${RED}Invalid choice.${RESET} Please enter '${GREEN}yay${RESET}' or '${GREEN}paru${RESET}'."
  fi
done

# check for git
if ! command -v git &>/dev/null; then
  # install git if it's not installed yet
  echo -e "${GREEN}git${RESET} is ${RED}not installed.${RESET} Installing ${GREEN}git${RESET}..."
  sudo pacman -S git
  echo -e "${GREEN}git${RESET} has been installed!"
fi

# start installing aurhelper
echo -e "Installing ${GREEN}${aurhelper}${RESET}..."
git clone https://aur.archlinux.org/${aurhelper}.git /tmp/${aurhelper}
cd /tmp/${aurhelper}

# build and install the aurhelper
# show informative error if fail
makepkg -si || {
  echo -e "${RED}Failed to build and install${RESET} ${GREEN}${aurhelper}${RESET}!"
  exit 1
}

echo -e "${GREEN}${aurhelper}${RESET} has been installed!"