Tweaks

src/freedombone-format

    exit 1
 fi
 
-USB_DRIVE=/dev/$1
+USB_DRIVE=/dev/${1}
 
 echo "Formatting $USB_DRIVE as LUKS"
-cryptsetup -y -v luksFormat $USB_DRIVE
+cryptsetup -y -v luksFormat ${USB_DRIVE}
 if [ ! "$?" = "0" ]; then
     echo "Failed to format $USB_DRIVE as LUKS"
     exit 36823
 fi
-cryptsetup luksOpen $USB_DRIVE encrypted_usb
+cryptsetup luksOpen ${USB_DRIVE} encrypted_usb
 if [ ! "$?" = "0" ]; then
     echo "Failed to open LUKS formatted drive $USB_DRIVE"
     exit 37232
 fi
 mkfs.ext4 /dev/mapper/encrypted_usb
 if [ ! "$?" = "0" ]; then
+    cryptsetup luksClose encrypted_usb
     echo 'Format of drive $USB_DRIVE failed'
     exit 73218
 fi
+sleep 2
 cryptsetup luksClose encrypted_usb
 if [ -f /dev/mapper/encrypted_usb ]; then
     rm -rf /dev/mapper/encrypted_usb