depending-packages

#!/bin/sh
if [ -z "$1" ]; then
	echo "Usage:"
	echo "	$0 packagename"
	echo "Finds all packages depending on $1 and prints their"
	echo "source names (e.g. as input for a mass build)".
	echo
	echo "If called with -k, exclude packages from the Qt and"
	echo "KDE buildlists (since they have to be built in the"
	echo "right order and have typically been built with"
	echo "the update script anyway)"
	echo
	echo "If called with -p, add a \"openmandriva/\" prefix"
	echo "to each package name (as input for abf chain_build)"
	echo "Use \"-p=xyz/\" to get a xyz/ prefix instead."
	echo
	echo "Try: $0 lib64qt5core5"
	exit 1
fi
PREFIX=""
while [ "${1:0:1}" = "-" ]; do
	case "$1" in
	-k)
		EXCLUDEKDE=true
		;;
	-p=*)
		PREFIX="${1:3}"
		;;
	-p)
		PREFIX=openmandriva/
		;;
	esac
	shift
done
PKG="$1"
# If the package depends on itself, exclude it so we don't
# trigger an infinite rebuild loop...
SELF="$(dnf repoquery --qf '%{SOURCERPM}' $PKG |rev |cut -d- -f3- |rev)"
EXCLUDES="^($SELF"
if [ "$EXCLUDEKDE" = "true" ]; then
	for x in $(for BL in qt kf pd kapps; do
		cat $(dirname $0)/$BL.buildlist |while read r; do
			for i in $r; do
				echo $i |cut -d/ -f2
			done
		done
	done); do
		[ "$x" != "$SELF" ] && EXCLUDES="$EXCLUDES|$x"
	done
fi
EXCLUDES="$EXCLUDES)\$"
dnf repoquery --qf '%{SOURCERPM}' --whatrequires $PKG |rev |cut -d- -f3- |rev |sort |uniq |grep -vE "$EXCLUDES" |while read r; do
	echo $PREFIX$r
done