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#!/bin/bash
cmd=${0##*/}
usage() {
echo "Usage: $cmd [-h] pkgname pkgver"
echo
echo "Detect if a given package version is already in repos"
echo "Assuming you want greater or equal."
echo
echo "Example usage: $cmd 'pcre' '20'"
echo
echo "Exit status:"
echo " 0: The package is built"
echo " 1: The package has not built"
echo " >1: There was an error"
}
while getopts 'h' arg; do
case $arg in
h) usage; exit 0 ;;
*) usage >&2; exit 2 ;;
esac
done
if [[ $# != 2 ]]; then
usage >&2
exit 2
fi
pkg=${1}
ver=${2}
pver=$(LC_ALL=C pacman -Sddp --print-format '%v' "${pkg}" 2>/dev/null)
# if pacman fails or returns nothing
r=$?
result=$(vercmp "${pver}" "${ver}")
# result:
# -1 : pver < ver
# 0 : pver = ver
# 1 : pver > ver
if [[ $result -ge 0 ]] && [[ $r -eq 0 ]]; then
exit 0
else
exit 1
fi
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