From f5a17a5a5dc829c7b3609e9e7d67242efe01cdce Mon Sep 17 00:00:00 2001
From: Ward Wouts <ward@wouts.nl>
Date: Sun, 22 Dec 2002 18:49:00 +0000
Subject: [PATCH] check number of arguments

---
 cvsup/cvsup | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cvsup/cvsup b/cvsup/cvsup
index a88ca1c..c38edc4 100755
--- a/cvsup/cvsup
+++ b/cvsup/cvsup
@@ -8,6 +8,10 @@ die() { echo "$*" >&2; exit 1; }
 export LOCKFILE=${HOME}/.cvsup/$1_lock
 export DATEFILE=${HOME}/.cvsup/$1_date
 
+if ( [ ${#} -ne 2 ] ); then
+	die "Usage: cvsup <tree> <branch>\n"
+fi
+
 if ( [ -e $LOCKFILE ]); then
 	LOCKPID=`cat $LOCKFILE`
 	if ( ! ps -p $LOCKPID|egrep -q "$LOCKPID" ); then