#!/bin/bash

version="0.1"

function usage ()
{
    echo "Usage :  $0 [options] [PATH]
    Checks installed libraries for missing dynamic links.

    Options:
    -d,--depth      Max depth to search
    -h,--help       Display this message
    -v,--version    Display script version"
}

checkso() {
    for f in ${@}; do
        if sudo LD_LIBRARY_PATH=$LD_LIBRARY_PATH ldd $f | grep -q "not found"; then
            echo "$(LC_ALL=C pacman -Qoq $f) $f seems broken!"
        fi
    done
}

# Parse arguments
declare -a args
while [[ $# > 0 ]]; do
    opt="$1"

    case $opt in
        -d|--depth)    depth=$2; shift 2 ;;
        -h|--help)     usage; exit 0 ;;
        -v|--version)  echo "$0 -- Version $version"; exit 0 ;;
        -* )
            echo -e "\n  Option does not exist : $opt\n"
            usage; exit 1 ;;

        *) args+=($opt); shift ;;
    esac
done
path="${args[0]}"

declare -a findopts
[[ $depth ]] && findopts+=(-maxdepth "$depth")

sudo -v

echo "${findopts[@]}" 
echo "Searching broken binaries...."
binpath=${path:-/usr/bin}
bins=( $(find "$binpath" "${findopts[@]}" -type f -executable) )
checkso ${bins[@]}

echo " "
echo "Searching broken libs...."
libpath=${path:-/usr/lib}
libs=( $(find $libpath "${findopts[@]}" -name '*.so' -type f -executable) )
checkso ${libs[@]}