1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/github.com/pborman/getopt/var.go b/vendor/github.com/pborman/getopt/var.go
new file mode 100644
index 0000000..fd816b9
--- /dev/null
+++ b/vendor/github.com/pborman/getopt/var.go
@@ -0,0 +1,63 @@
+// Copyright 2013 Google Inc.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package getopt
+
+import (
+	"fmt"
+	"runtime"
+)
+
+// Value is the interface to the dynamic value stored in a flag. (The default
+// value is represented as a string.)  Set is passed the string to set the
+// value to as well as the Option that is being processed.
+type Value interface {
+	Set(string, Option) error
+	String() string
+}
+
+// Var creates an option of the specified name. The type and value of the option
+// are represented by the first argument, of type Value, which typically holds a
+// user-defined implementation of Value.  All options are ultimately created
+// as a Var.
+func Var(p Value, name rune, helpvalue ...string) Option {
+	return CommandLine.VarLong(p, "", name, helpvalue...)
+}
+
+func VarLong(p Value, name string, short rune, helpvalue ...string) Option {
+	return CommandLine.VarLong(p, name, short, helpvalue...)
+}
+
+func (s *Set) Var(p Value, name rune, helpvalue ...string) Option {
+	return s.VarLong(p, "", name, helpvalue...)
+}
+
+func (s *Set) VarLong(p Value, name string, short rune, helpvalue ...string) Option {
+	opt := &option{
+		short:  short,
+		long:   name,
+		value:  p,
+		defval: p.String(),
+	}
+
+	switch len(helpvalue) {
+	case 2:
+		opt.name = helpvalue[1]
+		fallthrough
+	case 1:
+		opt.help = helpvalue[0]
+	case 0:
+	default:
+		panic("Too many strings for String helpvalue")
+	}
+	if _, file, line, ok := runtime.Caller(1); ok {
+		opt.where = fmt.Sprintf("%s:%d", file, line)
+	}
+	if opt.short == 0 && opt.long == "" {
+		fmt.Fprintf(stderr, opt.where+": no short or long option given")
+		exit(1)
+	}
+	s.AddOption(opt)
+	return opt
+}