kiss-vm vmhomedir: add empty arg check

Signed-off-by: Jianhong Yin <[email protected]>
tcler · Sep 22, 2023 · bb1d51b · bb1d51b
1 parent 75da826
commit bb1d51b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/kiss-vm b/kiss-vm
@@ -295,6 +295,11 @@ vmhomedir() {
 	local _vmname=$(vmname_extract -all "$1")
 	local _vmdir= _image=
 
+	if test -z "$_vmname"; then
+		echo "{VM:WARN} a vmname is needed" >&2
+		return 1
+	fi
+
 	read _type _dev _target _image < <(_vmblklist $_vmname '\.(qcow2|qcow|raw)')
 	if test -n "$_image"; then
 		_vmdir=$(dirname $_image)