A bash script checking aur (local) packages for needing rebuild

aurebuildcheck

#!/bin/bash
#
#This Script is original written by matthiaskrgr(https://github.com/matthiaskrgr/aurebuildcheck).
#Modified by proudzhu(https://github.com/proudzhu/dotfiles/bin/aurebuildcheck)
#

export LANG=C

#color used by cower
NC="\033[0m"

BOLDRED="\033[1;31m"
BOLDGREEN="\033[1;32m"
BOLDWHITE="\033[1;37m"

# functions and variables #
brokenpkgs=""
autoignored=""

# the core of the script #
TS=$(date +%s)  # start timer

if [[ -z "$*" ]] ; then
    localpackages=$(pacman -Qqm)
else
    localpackages="$*"
fi

localpackagesamount=$(echo ${localpackages} | wc -w)
echo -e "Checking ${BOLDWHITE}${localpackagesamount}${NC} local package(s)...\n"

for package in $localpackages ; do
	BROKEN="false"
    echo -en "Checking ${BOLDWHITE}${package}${NC}..."
    PkgArch=$(pacman -Qi $package 2>/dev/null | awk ' BEGIN {FS=" "}/^Architecture/{printf $3}') #use awk only instead of grep
    if [[ ${PkgArch} == 'any' ]]; then  #Skip package whose architecture is any
        autoignored="${autoignored} ${package}"
        echo -e " ${BOLDGREEN}[SKIPPED]${NC}"
        continue
    fi
	packagefiles=$(pacman -Qql $package | egrep  "/s?bin/\w|\.so\.?|\.o$") #only choose binary, .so and .o files
	for file in $packagefiles; do # check the files
		if (( $(file $file | grep -c 'ELF') != 0 )); then
			#  Is an ELF binary.
			libs=$(readelf -d "${file}" | awk 'BEGIN {FS="["}/NEEDED/{printf $2}'|tr ']' '\n')
            for lib in ${libs} ; do
			# needed libs
            if [ -z $(whereis ${lib} | awk '{print $2}') ] && [ -z $(find $(dirname ${file}) -type f -name ${lib}) ] ; then #check local libs and bundled libs
					#  Missing lib.
					echo -e "\n\t ${BOLDRED}${file}${NC} needs ${BOLDRED}${lib}${NC}"
					BROKEN="true" # to avoid packages being listed in the brokenpkg array several times
				fi
			done
		fi
	done

	if [[ ${BROKEN} == "true" ]] ; then
		brokenpkgs="${brokenpkgs} ${package}"
	elif [[ ${BROKEN} == "false" ]] ; then
		echo -e " ${BOLDGREEN}[OK]${NC}"
	fi
done
echo "everything done."

brokenamount=$(echo ${brokenpkgs} | wc -w)
echo -e "\n${BOLDWHITE}${brokenamount}${NC} package(s) may need rebuild: \n${BOLDRED}${brokenpkgs}${NC}\n"
autoignoredamount=$(echo ${autoignored} | wc -w)
echo -e "${BOLDWHITE}${autoignoredamount}${NC} package(s) auto ignored: \n${BOLDGREEN}${autoignored}${NC}\n"

#timeend
TE=$(date +%s)
TD=$((TE-TS))
echo -e "Done after ${BOLDWHITE}${TD}${NC} seconds."
echo "This script may not be able to distinguish between required and optional dependencies!"