#!/usr/bin/env fish

test (whoami) != root && begin
    echo must be root
    exit 1
end

set flash_target /dev/disk/by-label/NICENANO
set firmware_file $argv[1]

if test -z $firmware_file
    echo no firmware file argument specified
    exit 2
end

mkdir -p /tmp/flashmnt
while not test -L $flash_target
    echo Waiting for mountable device $flash_target to become available to flash $firmware_file...
    echo '    This usually means you need to plugin the board and reset it.'
    echo '    This is done by plugging in the board and double-tapping the'
    echo '    reset button with the nice!nano controllers this build uses.'
    sleep 1
end

echo Mounting $flash_target to /tmp/flashmnt...
mount $flash_target /tmp/flashmnt

echo Copying $firmware_file to /tmp/flashmnt...
cp $firmware_file /tmp/flashmnt

echo Syncing...
sync

echo Unmounting /tmp/flashmnt...
umount -R /tmp/flashmnt

echo Done!