Add self-contained gometalinter build tooling.

tools/vendor/github.com/Bowery/prompt/prompt.go

@@ -0,0 +1,85 @@
+// Copyright 2013-2015 Bowery, Inc.
+
+// Package prompt implements a cross platform line-editing prompt. It also
+// provides routines to use ANSI escape sequences across platforms for
+// terminal connected io.Readers/io.Writers.
+//
+// If os.Stdin isn't connected to a terminal or (on Unix)if the terminal
+// doesn't support the ANSI escape sequences needed a fallback prompt is
+// provided that doesn't do line-editing. Unix terminals that are not supported
+// will have the TERM environment variable set to either "dumb" or "cons25".
+//
+// The keyboard shortcuts are similar to those found in the Readline library:
+//
+//   - Enter / CTRL+D
+//     - End the line.
+//   - CTRL+C
+//     - End the line, return error `ErrCTRLC`.
+//   - Backspace
+//     - Remove the character to the left.
+//   - CTRL+L
+//     - Clear the screen(keeping the current lines content).
+//   - Home / End
+//     - Jump to the beginning/end of the line.
+//   - Up arrow / Down arrow
+//     - Go back and forward in the history.
+//   - Left arrow / Right arrow
+//     - Move left/right one character.
+//   - Delete
+//     - Remove the character to the right.
+package prompt
+
+// Basic is a wrapper around Terminal.Basic.
+func Basic(prefix string, required bool) (string, error) {
+	term, err := NewTerminal()
+	if err != nil {
+		return "", err
+	}
+	defer term.Close()
+
+	return term.Basic(prefix, required)
+}
+
+// BasicDefault is a wrapper around Terminal.BasicDefault.
+func BasicDefault(prefix, def string) (string, error) {
+	term, err := NewTerminal()
+	if err != nil {
+		return "", err
+	}
+	defer term.Close()
+
+	return term.BasicDefault(prefix, def)
+}
+
+// Ask is a wrapper around Terminal.Ask.
+func Ask(question string) (bool, error) {
+	term, err := NewTerminal()
+	if err != nil {
+		return false, err
+	}
+	defer term.Close()
+
+	return term.Ask(question)
+}
+
+// Custom is a wrapper around Terminal.Custom.
+func Custom(prefix string, test func(string) (string, bool)) (string, error) {
+	term, err := NewTerminal()
+	if err != nil {
+		return "", err
+	}
+	defer term.Close()
+
+	return term.Custom(prefix, test)
+}
+
+// Password is a wrapper around Terminal.Password.
+func Password(prefix string) (string, error) {
+	term, err := NewTerminal()
+	if err != nil {
+		return "", err
+	}
+	defer term.Close()
+
+	return term.Password(prefix)
+}