#!/bin/bash
usage() {
    echo "$0 "
    echo
    echo "Detect if a given package version is already in repos"
    echo "Assuming you want greater or equal"
    echo
    echo "Example usage: is_built 'pcre' '20'"
}

while getopts 'h' arg; do
    case $arg in
        h) usage; exit 0 ;;
        *) usage; exit 1 ;;
    esac
done

ver=${2}
pkg=${1}
pver=$(LC_ALL=C pacman -Sddp --print-format "%v" "${pkg}" 2>/dev/null)

# if pacman fails or returns nothing
r=$?
[ "${pver}" = " there is nothing to do" ] && r=1

result=$(vercmp "${pver}" "${ver}")

# if vercmp > 1 means our version is bigger
if [ ${result} -ge 0 -a ${r} -eq 0 ]; then
  exit 0
else
  exit 1
fi

# just in case
exit 1