manjaro-tools/bin/finddeps.in

#!/bin/bash
# This program 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; version 2 of the License.
#
# This program 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.

if [[ -r @libdir@/messages.sh ]];then
    source @libdir@/messages.sh
fi

match=$1

if [[ -z $match ]]; then
	echo 'Usage: finddeps <depname>'
	echo ''
	echo 'Find packages that depend on a given depname.'
	echo 'Run this script from the top-level directory of your ABS tree.'
	echo ''
	exit 1
fi

find . -type d | while read d; do
	if [[ -f "$d/PKGBUILD" ]]; then
		unset pkgname depends makedepends optdepends
		. "$d/PKGBUILD"
		for dep in "${depends[@]}"; do
			# lose the version comparator, if any
			depname=${dep%%[<>=]*}
			[[ $depname = $match ]] && msg "$d (depends)"
		done
		for dep in "${makedepends[@]}"; do
			# lose the version comparator, if any
			depname=${dep%%[<>=]*}
			[[ $depname = $match ]] && msg "$d (makedepends)"
		done
		for dep in "${optdepends[@]/:*}"; do
			# lose the version comaparator, if any
			depname=${dep%%[<>=]*}
			[[ $depname = $match ]] && msg "$d (optdepends)"
		done
	fi
done