discover_package_manager

#! /bin/bash

function haveProg() {
    [ -x "$(command -v $1)" ]
}

function discover_package_manager() {
if [ x"$1" == x"osx" ]; then
    if haveProg brew; then
        discover_package_manager_ret="brew"
        brew_idir=$(brew --prefix)
        brew_path=$(which brew)
        brew_user=$(stat -f '%Su' $brew_path)
        if [ x$"brew_user" == root ]; then
            discover_package_ret="sudo brew"
            echo 'Package Manager: '"$discover_package_manager_ret"
            return
        else
            if [ ! -w $brew_idir ]; then
                echo -e "\033[43;30;1;5mWARNING: \033[0m $brew_idir is not writtable, brew require that $brew_idir is writtable and $brew_idir/bin is in your PATH, otherwise it will be not possible to install with brew"
                commands[0]="sudo chown -R $USER $brew_idir && chmod -R u+w $brew_idir"
                possible_solutions "${commands[@]}"
            fi
        fi
        if [ ! -w  ]; then
            echo -e "\033[43,33;5mWARNING: \033[0m $brew_idir is not writtable, brew require that $brew_idir is writtable and $brew_idir/bin is in your PATH, otherwise it will be not possible to install with brew"
            sleep 10
        fi
        echo echo 'Package Manager: '"$discover_package_manager_ret"
        return
    fi
    if haveProg port; then
        discover_package_manager_ret="sudo port"
        echo 'Package Manager: '"$discover_package_manager_ret"
        return
    else
        discover_package_manager_ret=""
        echo 'Package Manager: '"$discover_package_manager_ret"
        return
    fi
  elif [ x"$1" = x"linux"  ]; then

    if haveProg zypper; then
      discover_package_manager_ret="zypper -n"
      return
    fi

    if haveProg yum; then
      discover_package_manager_ret="yum"
      return
    fi
    if haveProg apt-get; then
        discover_package_manager_ret="apt-get"
        echo 'Package Manager: '"$discover_package_manager_ret"
        return
    fi

    if haveProg pacman; then
      discover_package_manager_ret="pacman"
      return
    else
        discover_package_manager_ret=""
        echo 'Package Manager: '"$discover_package_manager_ret"
        return
    fi
fi
}

function pc_install_command() {
  if [ x"$1" == x"pacman" ]; then
    pc_install_command_ret="pacman -Sy"
  else
    pc_install_command_ret="$1 install"
  fi
}