Improve linux binary generation

contrib/devtools/gen-linux-binary-release.sh

@@ -2,15 +2,22 @@
 # Copyright (c) 2016-2021 The Hush developers
 # Released under the GPLv3
 
+set -e
+set -x
+
 #TODO: autodect version number, error handling
 FILE="hush-3.6.2-linux-amd64.tar"
+TIME=$(perl -e 'print time')
 
+mv build build.$TIME
 mkdir build
 cp contrib/asmap/asmap.dat build/
 cp sapling*.params build/
 cd src
 cp komodod komodo-cli komodo-tx hushd hush-cli hush-tx hush-smart-chain ../build
 cd ../build
+strip komodo*
 tar -f $FILE -c  *
-gzip $FILE
-
+gzip -9 $FILE
+sha256sum *.gz
+du -sh *.gz