Update vendor (#852)

1 files changed, 19 insertions, 0 deletions

diff --git a/vendor/github.com/mattn/go-isatty/isatty_tcgets.go b/vendor/github.com/mattn/go-isatty/isatty_tcgets.go
new file mode 100644
index 00000000..453b025d
--- /dev/null
+++ b/vendor/github.com/mattn/go-isatty/isatty_tcgets.go
@@ -0,0 +1,19 @@
+// +build linux aix
+// +build !appengine
+// +build !android
+
+package isatty
+
+import "golang.org/x/sys/unix"
+
+// IsTerminal return true if the file descriptor is terminal.
+func IsTerminal(fd uintptr) bool {
+	_, err := unix.IoctlGetTermios(int(fd), unix.TCGETS)
+	return err == nil
+}
+
+// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2
+// terminal. This is also always false on this environment.
+func IsCygwinTerminal(fd uintptr) bool {
+	return false
+}