Locate the path to the global configuration file
The user or global configuration file is usually
located in $HOME/.gitconfig
.
This method will try to guess the full path to that
file, if the file exists. The returned path
may be used on any git_config
call to load the
global configuration file.
This method will not guess the path to the xdg compatible config file (.config/git/config).
0 if a global configuration file has been found. Its path will be stored in out
.