­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ [[ "$DEVICE" ]] StopIfError "USB device is not set." [[ -b "$DEVICE" ]] StopIfError "USB device '$DEVICE' is not a block device" # Attempt to find the real USB device by trying its parent # Return a proper short device name using udev REAL_USB_DEVICE=$(readlink -f $DEVICE) [[ "$REAL_USB_DEVICE" && -b "$REAL_USB_DEVICE" ]] StopIfError "Unable to determine real USB device based on USB device '$DEVICE'." # We cannot use the layout dependency code in the backup phase (yet) #RAW_USB_DEVICE=$(find_disk $REAL_USB_DEVICE) # Try to find the parent device (as we don't want to write MBR to a partition) # the udevinfo query yields something like /devices/pci0000:00/0000:00:10.0/host2/target2:0:1/2:0:1:0/block/sdb/sdb1 # we want the "sdb" part of it. TEMP_USB_DEVICE=$(basename $(dirname $(my_udevinfo -q path -n "$REAL_USB_DEVICE"))) if [[ "$TEMP_USB_DEVICE" == "block" ]]; then RAW_USB_DEVICE=$REAL_USB_DEVICE elif [[ "$TEMP_USB_DEVICE" && -b "/dev/$TEMP_USB_DEVICE" ]]; then RAW_USB_DEVICE="/dev/$(my_udevinfo -q name -n "$TEMP_USB_DEVICE")" elif [[ "$TEMP_USB_DEVICE" && -d "/sys/block/$TEMP_USB_DEVICE" ]]; then RAW_USB_DEVICE="/dev/$(my_udevinfo -q name -p "$TEMP_USB_DEVICE")" elif [[ -z "$TEMP_USB_DEVICE" ]]; then RAW_USB_DEVICE="/dev/$(my_udevinfo -q name -n "$REAL_USB_DEVICE")" else BugError "Unable to determine raw USB device for $REAL_USB_DEVICE" fi [[ "$RAW_USB_DEVICE" && -b "$RAW_USB_DEVICE" ]] StopIfError "Unable to determine raw USB device for $REAL_USB_DEVICE" USB_format_answer="" test "ext3" = "$USB_DEVICE_FILESYSTEM" -o "ext4" = "$USB_DEVICE_FILESYSTEM" || USB_DEVICE_FILESYSTEM="ext3" file_output=$(file -sbL "$REAL_USB_DEVICE") ID_FS_TYPE=$( shopt -s nocasematch case "$file_output" in (*ext2\ filesystem*) echo "ext2";; (*ext3\ filesystem*) echo "ext3";; (*ext4\ filesystem*) echo "ext4";; (*btrfs\ filesystem*) echo "btrfs";; (*) echo "unknown";; esac ) [[ "$ID_FS_TYPE" == btr* || "$ID_FS_TYPE" == ext* ]] if (( $? != 0 )) && [[ -z "$YES" ]]; then LogUserOutput "USB device $REAL_USB_DEVICE is not formatted with ext2/3/4 or btrfs filesystem" # When USER_INPUT_USB_DEVICE_CONFIRM_FORMAT has any 'true' value be liberal in what you accept and assume exactly 'Yes' was actually meant: is_true "$USER_INPUT_USB_DEVICE_CONFIRM_FORMAT" && USER_INPUT_USB_DEVICE_CONFIRM_FORMAT="Yes" USB_format_answer="$( UserInput -I USB_DEVICE_CONFIRM_FORMAT -p "Type exactly 'Yes' to format $REAL_USB_DEVICE with $USB_DEVICE_FILESYSTEM filesystem" -D 'No' )" test "Yes" = "$USB_format_answer" || Error "Abort USB format process by user (user input '$USB_format_answer' is not 'Yes')" elif [[ "$YES" ]]; then USB_format_answer="Yes" fi