2 * `0` or `false` - Disables the target.
3 * `1` or `true` - Writes to `STDERR`.
4 * `[2-9]` - Writes to the already opened file descriptor.
5 * `<absolute-pathname>` - Writes to the file in append mode.
6 * `af_unix:[<socket_type>:]<absolute-pathname>` - Write to a
7 Unix DomainSocket (on platforms that support them). Socket
8 type can be either `stream` or `dgram`; if omitted Git will