diff -r c95779327c61 -r 87ac9ed9a5f8 auto-symlink-virtual.sh
--- a/auto-symlink-virtual.sh	Fri Jun 05 11:54:22 2009 +0300
+++ b/auto-symlink-virtual.sh	Fri Jun 05 14:08:47 2009 +0300
@@ -1,6 +1,34 @@
 #!/usr/bin/env sh
 
+progname=$(basename "$0")
+usage()
+{
+	echo "$progname: create symlinks for virtual ports"
+	echo ""
+	echo "Usage: $progname [-hn] [-p portsdir]"
+	echo ""
+	echo " -h                show this usage"
+	echo " -n                run through ports, but do not modify anything"
+	echo " -p portsdir       use portsdir as the root of the ports tree"
+	echo "                   the default is /usr/ports/"
+}
+
 portdir="/usr/ports"
+while getopts hnp: OPT; do
+	case "$OPT" in
+		h)	usage
+			exit 0
+			;;
+		n)	dry_run=yes
+			;;
+		p)	portdir=$OPTARG
+			;;
+		\?)	usage >&2
+			exit 1
+			;;
+	esac
+done
+
 for main_cat in $(make -V SUBDIR -C $portdir);
 do
 	if [ -d $portdir/$main_cat ];
@@ -11,11 +39,11 @@
 			for item_cat in $(make -V CATEGORIES -C $portdir/$main_cat/$port);
 			do
 				echo -n "$item_cat "
-				if [ ! -d $item_cat ];
+				if [ -z "$dry_run" -a ! -d $item_cat ];
 				then
 					mkdir $item_cat;
 				fi;
-				if [ ! -e $item_cat/$port ];
+				if [ -z "$dry_run" -a ! -e $item_cat/$port ];
 				then
 					#this won't create the main ports because we check to see if the main port one exits BUT
 					#we add the main cat to the filename in case of name conflicts