import: improve error reporting
When applying a series of patch files, it's nice to be explicitly told *which* file is broken.
@echo off
rem Windows Driver script for Mercurial
setlocal
set HG=%~f0
rem Use a full path to Python (relative to this script) as the standard Python
rem install does not put python.exe on the PATH...
rem %~dp0 is the directory of this script
"%~dp0..\python" "%~dp0hg" %*
endlocal