Make shellcheck happy

quickemu

@@ -311,7 +311,7 @@ function vm_boot() {
   fi
   echo ", ${RAM_VM} RAM"
 
-  if [ ${RAM_VM//G/} -lt 4 ]; then
+  if [ "${RAM_VM//G/}" -lt 4 ]; then
     if [ "${guest_os}" == "macos" ] || [ "${guest_os}" == "windows" ]; then
         echo "ERROR! You have insufficient RAM to run ${guest_os} in a VM"
         exit 1

quickget

@@ -770,7 +770,7 @@ function get_macos() {
     esac
 
     # Use a bundled macrecovery if possible
-    CWD="$(dirname ${0})"
+    CWD="$(dirname "${0}")"
     if [ -x "${CWD}/macrecovery" ]; then
         MACRECOVERY="${CWD}/macrecovery"
     elif [ -x /usr/bin/macrecovery ]; then