create_box.sh in vagrant-libvirt-0.0.29

- old
+ new

@@ -58,10 +58,10 @@
 TMP_DIR="$CWD/_tmp_package"
 TMP_IMG="$TMP_DIR/box.img"
 
 mkdir -p "$TMP_DIR"
 
-[[ ! -w "$IMG" ]] && error "'$IMG': Permission denied"
+[[ ! -r "$IMG" ]] && error "'$IMG': Permission denied"
 
 # We move / copy (when the image has master) the image to the tempdir
 # ensure that it's moved back / removed again
 if [[ -n $(backing "$IMG") ]]; then
     echo "==> Image has backing image, copying image and rebasing ..."