Hi Hannes, On Sun, 18 Dec 2016, Johannes Sixt wrote: > What do you think? > > diff --git a/compat/winansi.c b/compat/winansi.c > index ba360be69b..1748d17777 100644 > --- a/compat/winansi.c > +++ b/compat/winansi.c > @@ -575,9 +575,8 @@ static void detect_msys_tty(int fd) > > int winansi_isatty(int fd) > { > - int res = isatty(fd); > - > - if (res) { > + switch (fd) { > + case 0: > /* > * Make sure that /dev/null is not fooling Git into believing > * that we are connected to a terminal, as "_isatty() returns a > @@ -586,21 +585,19 @@ int winansi_isatty(int fd) > * > * https://msdn.microsoft.com/en-us/library/f4s0ddew.aspx > */ > - HANDLE handle = winansi_get_osfhandle(fd); > - if (fd == STDIN_FILENO) { > + { > + HANDLE handle = (HANDLE)_get_osfhandle(fd); > DWORD dummy; > > - if (!GetConsoleMode(handle, &dummy)) > - res = 0; > - } else if (fd == STDOUT_FILENO || fd == STDERR_FILENO) { > - CONSOLE_SCREEN_BUFFER_INFO dummy; > - > - if (!GetConsoleScreenBufferInfo(handle, &dummy)) > - res = 0; > + return !!GetConsoleMode(handle, &dummy); > } > + case 1: > + return !!hconsole1; > + case 2: > + return !!hconsole2; > } > > - return res; > + return isatty(fd); > } > > void winansi_init(void) I think that would break running Git in Git Bash (i.e. MinTTY) ;-) Let me try to come up with a patch series starting from your patch. We need - to abandon the _pioinfo hack - to make isatty() work correctly with /dev/null - to make isatty() work correctly in CMD - to make isatty() work correctly in MinTTY (i.e. with MSYS2 pipes instead of Consoles) I think we can have it all. Ciao, Dscho