Refuse to run create-bootable if $ROOT is not set

2014-04-18 13:08:18 +01:00 · 2014-04-18 13:08:18 +01:00 · b5228bae46
parent 8363d8251b
commit b5228bae46
1 changed files with 9 additions and 1 deletions
--- a/stuff/create-bootable
+++ b/stuff/create-bootable
@ -2,9 +2,17 @@
 #
 # Ensure you've loaded the loop module with max_part=15

-if test "$2" = ""; then
+usage() {
 	echo "Usage: $0 <rootdir> <imgfile>"
 	exit
+}
+
+if test "$1" = ""; then
+	usage
+fi
+
+if test "$2" = ""; then
+	usage
 fi

 set -e -x