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#!/bin/bash
# name this file "getnet.sh" or whatever you preferred
# by MichaelB7 08/12/20
# A little script to update to current SF net and to rename net file to "eval.bin"
# designed to be run from thr src folder , modify as you wish.
# This script is covered by the usual disclaimers, meaning that I am not possibly
# responsible, finanacially or otherwise, for anything that may possibly go
# wrong. There is absolutley no implied warranty, merchantability
# or fitness for any particular purpose whatsover.
cd ../ ## move up a directory, modify to your own preference
wget https://github.com/official-stockfish/Stockfish/raw/master/src/ucioption.cpp
sha256nn="$(grep EvalFile ucioption.cpp | sed 's/.*\(nn-[a-z0-9]\{12\}.nnue\).*/\1/')"
echo "sha256nn = $sha256nn"
binurl=" https://tests.stockfishchess.org/api/nn/$sha256nn"
##renames nnue file to eval.bin , modify "eval.bin" to your own preference
wgetnet="wget -O eval.bin"
## pulls the most recent and latest officical NN from the SF Github repository
$wgetnet $binurl
rm ucioption.cpp ## no lonnger needed.
sleep 1 ## need to wait 1 second, before moving file or might error as being busy
# I like to keep it in my SF build folder, modify to your own preference
mv eval.bin src/
cd - ## return to previous directory