https://bugs.winehq.org/show_bug.cgi?id=49425
--- Comment #3 from Esme Povirk madewokherd@gmail.com --- It seems that if a path to a specific .exe file is passed to wine, it loses the working directory.
wine@wiley:~/wine/wine64$ ./wine winepath -u . /home/wine/.wine/dosdevices/z:/home/wine/wine/wine64 wine@wiley:~/wine/wine64$ ./wine programs/winepath/winepath.exe -u . /home/wine/.wine/dosdevices/z:/