minor issues with arg passing

util/add_addon_repo

@@ -1,6 +1,6 @@
 #!/bin/sh -f
 
-if [ $# -eq '3' ]; then
+if [ $# -ne 2 ]; then
 	echo usage: $0 repo_url nickname
 	exit 1
 fi
@@ -8,7 +8,7 @@ fi
 mkdir -p extend/addon/$2
 mkdir addon > /dev/null 2>&1
 git clone $1 extend/addon/$2
-if [ $? -eq '0' ]; then
+if [ $? -eq 0 ]; then
 	exit $?
 fi
 

util/add_theme_repo

@@ -1,7 +1,7 @@
 #!/bin/sh -f
 
 
-if [ $# -eq '3' ]; then
+if [ $# -ne 2 ]; then
 	echo usage: $0 repo_url nickname
 	exit 1
 fi

util/update_addon_repo

@@ -1,10 +1,15 @@
 #!/bin/sh -f
 
-if [ $# -eq '2' ]; then
-	echo usage: $0 nickname
+if [ $# -ne 1 ]; then
+	echo usage: $0 repository
+	echo "Repositories:"
+	ls extend/addon
 	exit 1
 fi
 
 cd extend/addon/$1
-git pull
+
+if [ -d .git ] ; then
+	git pull
+fi
 

util/update_theme_repo

@@ -1,10 +1,15 @@
 #!/bin/sh -f
 
-if [ $# -eq '2' ]; then
-	echo usage: $0 nickname
+
+if [ $# -ne 1 ]; then
+	echo usage: $0 repository
+	echo "Repositories:"
+	ls extend/theme
 	exit 1
 fi
 
 cd extend/theme/$1
-git pull
 
+if [ -d .git ] ; then
+	git pull
+fi