@echo off

start C:\path\to\cygwin\bin\mintty.exe /bin/bash -l -c "rsync -avz -e ""ssh -i /cygdrive/c/path/to/deploy_key"" --progress /cygdrive/c/path/to/code/wwwroot www-data@your-web-server:/var/www/path/to/code-site/"