Try batch

src/freedombone-pass

         mkdir -p ~/.passwords/$CURR_USERNAME
     fi
     # padding helps to ensure than nothing can be learned from the length of the cyphertext
-    pad_string "${CURR_PASSWORD}" | gpg -ca --cipher-algo AES256 --passphrase "$MASTER_PASSWORD" > ~/.passwords/$CURR_USERNAME/$CURR_APP
+    pad_string "${CURR_PASSWORD}" | gpg --batch -ca --cipher-algo AES256 --passphrase "$MASTER_PASSWORD" > ~/.passwords/$CURR_USERNAME/$CURR_APP
     if [ ! -f ~/.passwords/$CURR_USERNAME/$CURR_APP ]; then
         MASTER_PASSWORD=
         exit 5