1 files changed, 29 insertions, 0 deletions
diff --git a/src/mongo/gotools/vendor/src/github.com/howeyc/gopass/nix.go b/src/mongo/gotools/vendor/src/github.com/howeyc/gopass/nix.go
new file mode 100644
index 00000000000..76c9da42093
--- /dev/null
+++ b/src/mongo/gotools/vendor/src/github.com/howeyc/gopass/nix.go
@@ -0,0 +1,29 @@
+// +build linux darwin freebsd netbsd openbsd
+
+package gopass
+
+import (
+	"io"
+	"syscall"
+
+	"golang.org/x/crypto/ssh/terminal"
+)
+
+const lineEnding = "\n"
+
+func getch() (byte, error) {
+	if oldState, err := terminal.MakeRaw(0); err != nil {
+		return 0, err
+	} else {
+		defer terminal.Restore(0, oldState)
+	}
+
+	var buf [1]byte
+	if n, err := syscall.Read(0, buf[:]); n == 0 || err != nil {
+		if err != nil {
+			return 0, err
+		}
+		return 0, io.EOF
+	}
+	return buf[0], nil
+}