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The idea of having the Git wrapper in the /cmd/ directory is to allow adding only a *tiny* set of executables to the search path, to allow minimal interference with other software applications. It is quite likely, for example, that other software applications require their own version of zlib1.dll and would not be overly happy to find the version Git for Windows ships. The /cmd/ directory also gives us the opportunity to let the Git wrapper handle the `gitk` script. It is a Tcl/Tk script that is not recognized by Windows, therefore calling `gitk` in `cmd.exe` would not work, even if we add all of Git for Windows' bin/ directories. So let's use the /cmd/ directory instead of adding /mingw??/bin/ and /usr/bin/ to the PATH when launching Git CMD. The way we implemented Git CMD is to embed the appropriate command line as string resource into a copy of the Git wrapper. Therefore we extended that syntax to allow for configuring a minimal search path. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>