#!/bin/bash
# LGSM fn_dep_detect function
# Author: Daniel Gibbs
# Website: http://gameservermanagers.com
# Version: 200615

# Description: Detects dependencies the server binary requires.

local modulename="Backup"
fn_check_root
fn_check_systemdir
cd ${executabledir}
readelf -d ${executable} |grep NEEDED|awk '{ print $5 }'|sed 's/\[//g'|sed 's/\]//g' > ${rootdir}/.depdetect_readelf


echo "yum install " > ${rootdir}/.depdetect_centos_list_uniq
echo "apt-get install " > ${rootdir}/.depdetect_ubuntu_list_uniq
echo "apt-get install " > ${rootdir}/.depdetect_debian_list_uniq
while read lib; do
	sharedlib=${lib}
	if [ "${lib}" == "libm.so.6" ]||[ ${lib} == "libc.so.6" ]||[ ${lib} == "libpthread.so.0" ]||[ ${lib} == "libdl.so.2" ]||[ ${lib} == "libnsl.so.1" ];then
		echo "glibc.i386" >> ${rootdir}/.depdetect_centos_list
		echo "lib32gcc1" >> ${rootdir}/.depdetect_ubuntu_list
		echo "lib32gcc1" >> ${rootdir}/.depdetect_debian_list
	elif [ "${lib}" == "libstdc++.so.6" ];then
		echo "libstdc++.i686" >> ${rootdir}/.depdetect_centos_list
		echo "libstdc++6:i386" >> ${rootdir}/.depdetect_ubuntu_list
		echo "libstdc++6:i386" >> ${rootdir}/.depdetect_debian_list
	elif [ "${lib}" == "libtier0.so" ]||[ "${lib}" == "Core.so" ]||[ "${lib}" == "Editor.so" ]||[ "${lib}" == "Engine.so" ];then
		# Known shared libs what dont requires dependencies
		:
	else
		unknownlib=1
		echo "${lib}" >> ${rootdir}/.depdetect_unknown
	fi
done < ${rootdir}/.depdetect_readelf
sort ${rootdir}/.depdetect_centos_list | uniq >> ${rootdir}/.depdetect_centos_list_uniq
sort ${rootdir}/.depdetect_ubuntu_list | uniq >> ${rootdir}/.depdetect_ubuntu_list_uniq
sort ${rootdir}/.depdetect_debian_list | uniq >> ${rootdir}/.depdetect_debian_list_uniq
if [ "${unknownlib}" == "1" ];then
	sort ${rootdir}/.depdetect_unknown | uniq >> ${rootdir}/.depdetect_unknown_uniq
fi

awk -vORS=' ' '{ print $1, $2 }' ${rootdir}/.depdetect_centos_list_uniq > ${rootdir}/.depdetect_centos_line
awk -vORS=' ' '{ print $1, $2 }' ${rootdir}/.depdetect_ubuntu_list_uniq > ${rootdir}/.depdetect_ubuntu_line
awk -vORS=' ' '{ print $1, $2 }' ${rootdir}/.depdetect_debian_list_uniq > ${rootdir}/.depdetect_debian_line

echo ""
echo "Required Dependencies"
echo "================================="
echo "${executable}"
echo ""
echo "CentOS"
echo "================================="
cat ${rootdir}/.depdetect_centos_line
echo ""
echo ""
echo "Ubuntu"
echo "================================="
cat ${rootdir}/.depdetect_ubuntu_line
echo ""
echo ""
echo "Debian"
echo "================================="
cat ${rootdir}/.depdetect_debian_line
echo ""
if [ "${unknownlib}" == "1" ];then
	echo "Unknown shared Library"
	echo "================================="
	${rootdir}/.depdetect_unknown
fi
echo ""
echo "Required Librarys"
echo "================================="
sort ${rootdir}/.depdetect_readelf |uniq
echo -en "\n"

rm -f ${rootdir}/.depdetect_centos_line
rm -f ${rootdir}/.depdetect_centos_list
rm -f ${rootdir}/.depdetect_centos_list
rm -f ${rootdir}/.depdetect_centos_list_uniq
rm -f ${rootdir}/.depdetect_debian_list
rm -f ${rootdir}/.depdetect_debian_list_uniq
rm -f ${rootdir}/.depdetect_readelf
rm -f ${rootdir}/.depdetect_ubuntu_list
rm -f ${rootdir}/.depdetect_ubuntu_list_uniq
rm -f ${rootdir}/.depdetect_unknown
rm -f ${rootdir}/.depdetect_unknown_uniq