This disables recently added ANSI emulation feature in certain Windows
shells (like ConEmu) where ANSI output is emulated by default with builtin
functionality in the shell.
MSYS (mingw) runs in cmd.exe window and it doesn't support emulation.
Cygwin doesn't even pass terminal handles to docker.exe as far as I can
tell, stdin/stdout/stderr handles are behaving like non-TTY. Therefore not
even including that in the check.
Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
Upstream-commit: b38ff8c83d82b7958c62c07a8b82e4b85f0311c0
Component: engine
30a3ccd5cd