#!/bin/bash -e
###############################################################################
#
# Copyright (C) 2014 - 2018 by osrc <www.osrc.cn>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Asking for Help:
# Nathan Rossi <nathan.rossi@xilinx.com>
# Michal Simek <michal.simek@xilinx.com>
#
# Reference Materials:
#
###############################################################################

# => Writing a Warning Message to the Console Window
print_warn() { # 黄色字
 local msg="1ドル"
 printf "0円33[33m[WARNING] 0円33[0m";
 printf "$msg\n";
}
export -f print_warn

# => Writing a Infomation Message to the Console Window
print_info() { # 绿色字
 local msg="1ドル"
 printf "0円33[32m[INFO] 0円33[0m";
 printf "$msg\n";
}
export -f print_info

# => Writing a Error Message to the Console Window
print_error() { # 红色字
 local msg="1ドル"
 printf "0円33[31m[ERROR] 0円33[0m";
 printf "$msg\n";
}
export -f print_error

# => Writing a Error Message to the Console Window and exit
error_exit() { # 红色字
 local msg="1ドル"
 printf "0円33[31m[ERROR] 0円33[0m";
 printf "$msg\n";
 exit 1;
}
export -f error_exit

# => Check the script is being run by root user
check_root() {
 if [ `whoami` != root ]; then
error_exit "0ドル must be run as sudo user or root!"
 fi
}
export -f check_root

# => When the current user isn't root, re-exec the script through sudo.
run_as_root() {
 [ "$(whoami)" != "root" ] && exec sudo -- "0ドル" "$@"
}
export -f run_as_root

# => This function will return the code name of the Linux host release to the caller
get_host_type() {
 local __host_type=1ドル
 local the_host=`lsb_release -a 2>/dev/null | grep Codename: | awk {'print 2ドル'}`
 eval $__host_type="'$the_host'"
}
export -f get_host_type

# => This function returns the version of the Linux host to the caller
get_host_version() {
 local __host_ver=1ドル
 local the_version=`lsb_release -a 2>/dev/null | grep Release: | awk {'print 2ドル'}`
 eval $__host_ver="'$the_version'"
}
export -f get_host_version

# => This function returns the major version of the Linux host to the caller
# If the host is version 12.04 then this function will return 12
get_major_host_version() {
 local __host_ver=1ドル
 get_host_version major_version
 eval $__host_ver="'${major_version%%.*}'"
}
export -f get_major_host_version

# => This function returns the minor version of the Linux host to the caller
# If the host is version 12.04 then this function will return 04
get_minor_host_version() {
 local __host_ver=1ドル
 get_host_version minor_version
 eval $__host_ver="'${minor_version##*.}'"
}
export -f get_minor_host_version

# => apt-get wrapper to just get arguments set correctly
function apt-get() {
 local sudo="sudo"
 [ "$(id -u)" = "0" ] && sudo=""
 $sudo DEBIAN_FRONTEND=noninteractive apt-get \
 --optin "Dpkg::Options::=--force-confold" --assume-yes "$@"
}