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#!/usr/bin/env bash
# Copyright (C) 2011-2012 Nicolás Reynolds <fauno@parabola.nu>
# Copyright (C) 2011-2012 Joshua Ismael Haase Hernández (xihh) <hahj87@gmail.com>
# Copyright (C) 2013 Luke Shumaker <lukeshu@sbcglobal.net>
#
# License: GNU GPLv3+
#
# This file is part of Parabola.
#
# Parabola is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Parabola is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Parabola. If not, see <http://www.gnu.org/licenses/>.
. "$(librelib messages)"
usage() {
print "Usage: %s [-h] PKGNAME [PKGVER]" "${0##*/}" "${0##*/}"
print 'Detect iv a given package (version) is already in the repos'
echo
prose "If a version is specified, it assumed that you want a greater or
equal version."
echo
prose "Example usage:"
print " $ %s 'pcre' '20'" "${0##*/}"
echo
print "Exit status:"
print " 0: The package is built"
print " 1: The package has not built"
print " >1: There was an error"
}
while getopts 'h' arg; do
case $arg in
h) usage; exit 0 ;;
*) usage >&2; exit 2 ;;
esac
done
if [[ $# -ne 1 ]] && [[ $# -ne 2 ]]; then
usage >&2
exit 2
fi
pkg=${1}
ver=${2:-0}
pver=$(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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