1 files changed, 69 insertions, 0 deletions
diff --git a/src/is_built b/src/is_built
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index 0000000..29b2744
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@@ -0,0 +1,69 @@
+#!/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/>.
+
+. libremessages
+
+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