Hi Duy,

On Sun, 26 Jun 2016, Nguyễn Thái Ngọc Duy wrote:

> This keeps #ifdef at the callee instead of caller, it's less messier.
> 
> The caller in question is in read-cache.c which, unlike other
> unix-socket callers so far, is always built regardless of unix socket
> support. No extra handling (for ENOSYS) is needed because in this
> build, index-helper does not exist, $GIT_DIR/index-helper.sock does
> not exist, so no unix socket call is made by read-cache.c in the first
> place.
> 
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---

Heh, I made something very similar (although I did not update the errno as
your patch does): https://github.com/git-for-windows/git/commit/919cb1d79

Ciao,
Dscho