bugs fixed

chip-update-firmware.sh

@@ -21,7 +21,7 @@ function cache_download {
 }
 
 
-while getopts ":u:f" opt; do
+while getopts "uf" opt; do
   case $opt in
     u)
       echo "updating cache"

common.sh

@@ -10,8 +10,8 @@ onMac() {
 
 filesize() {
   if onMac; then
-    stat -f%z $0
+    stat -f%z $1
   else
-    stat --printf="%s" $0
+    stat --printf="%s" $1
   fi
 }