fake:

misc/archive/showdeps.sh

@@ -13,8 +13,9 @@ usage: $0 [ -usedby | -uses ] PKG [ SOURCE_TREE ]
 check \$SOURCE_TREE/scripts/dep_db.txt and print
 dependencies and dependants of given package.
 
- -usedby: show only packages that depend on this package
- -uses  : show only packages this package depends on
+ -usedby : show only packages that depend on this package
+ -uses   : show only packages this package depends on
+ -missing: show only packages missing for this package
 
 EOF
 exit 1
@@ -22,23 +23,31 @@ exit 1
 
 uses=1
 usedby=1
+missing=1
 
 while [ ${1:0:1} == "-" ] ; do
 	case $1 in
 		-usedby)
 			uses=0
+			missing=0
 			shift
 			;;	
 		-uses)
 			usedby=0
+			missing=0
+			shift
+			;;
+		-missing)
+			usedby=0
+			uses=0
 			shift
 			;;
 	esac
 done
 
-if [ $usedby == 0 -a $uses == 0 ] ; then usedby=1 ; uses=1 ; fi
-
+if [ $usedby == 0 -a $uses == 0 -a $missing == 0 ] ; then usedby=1 ; uses=1 ; missing=0 ; fi
 
+# auto-find sourcetree if none was given
 if [ -n "$2" ] ; then
 	SOURCE_TREE=$2
 	if [ ! -f $SOURCE_TREE/scripts/dep_db.txt ] ; then
@@ -83,5 +92,37 @@ if [ $usedby == 1 ] ; then
 	echo "packages depending on $1:"
 	print_nice `grep "\<$1\>" ./scripts/dep_db.txt | cut -d: -f1`
 fi
+
+list_missing_pkgs() {
+	MISSING_PKGS="";
+	for i in `grep "^$1: " ./scripts/dep_db.txt | cut -d" " -f4-` ; do
+		[ $i == $1 -o $i == "x11" -o $i == "xfree86" ] && continue 
+		if [ ! -f "/var/adm/packages/$i" -a ! -f  "/var/adm/packages/$i:dev" ] ; then
+			MISSING_PKGS="$MISSING_PKGS $i"
+		fi
+	done
+	echo $MISSING_PKGS
+}
+
+# recursive function
+show_missing_pkgs() {
+	MISSING_I=`list_missing_pkgs $1`;
+	[ -z "$MISSING_I" ] && return ;
+	# already shown ?
+	[ "${SHOWNLIST/ $1 /}" != "$SHOWNLIST" ] && continue;
+	SHOWNLIST="${SHOWNLIST}$1 "
+	echo 
+	echo "packages missing for $1:"
+	print_nice $MISSING_I
+	for i in $MISSING_I ; do
+		[ -z "$i" ] && continue ;
+		show_missing_pkgs $i
+	done
+}
+
+if [ $missing == 1 ] ; then
+	SHOWNLIST=" "
+	show_missing_pkgs $1
+fi
 echo