File pm3-firmware of Package proxmark3

#!/bin/bash

if [ -f ~/.proxmark3/firmware ]; then
    . ~/.proxmark3/firmware
fi

PORT="${PORT:-/dev/ttyACM0}"
FIRMWARE_DIR="${FIRMWARE_DIR:-/usr/share/proxmark3/firmware/}"
if ! [ -d "$FIRMWARE_DIR" ]; then
    echo "Firmware directory not found: $FIRMWARE_DIR"
    exit 1
fi

# TODO: ideally read descriptions from somewhere and add it between ()
VARIANTS=`find $FIRMWARE_DIR  -maxdepth 1 -mindepth 1 -type d -printf "%f ()\n"`

exec 3>&1
_variant=`dialog --clear --title "Variant" --menu "Select the variant you want to see available firmware for" 20 78 4 $VARIANTS 2>&1 1>&3`
_rv=$?
exec 3>&-

# relevant codes: 0 (ok), 1 (cancel), 255 (ESC)
case $_rv in
    0)
        FIRMWARE=`find $FIRMWARE_DIR/$_variant -maxdepth 1 -mindepth 1 -type d -printf "%f ()\n"`
        exec 3>&1
        _firmware=`dialog --clear --title "Payload" --menu "Select the firmware you'd like to flash to your proxmark at $PORT. Set PORT if it is at a different port." 40 78 8 $FIRMWARE 2>&1 1>&3`
        _rv=$?
        exec 3>&-
        case $_rv in
            0)
                proxmark3 -p $PORT --flash --image $FIRMWARE_DIR/$_variant/$_firmware/fullimage.elf
                ;;
            *)
                echo "Bye."
                ;;
        esac
    ;;
    *)
        echo "Bye."
        ;;
esac