From edde52e321465d7e0fbb1e1a32a8a8225ddd1f6a Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Wed, 16 Sep 2015 12:31:41 -0400
Subject: [PATCH] Provide the length of Args when a -- is found in commandline

This allows a program to know what args came before the -- and what args
came after.
---
 cobra_test.go | 10 ++++++++--
 command.go    |  4 ++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/cobra_test.go b/cobra_test.go
index 8b433803..c9eef5d7 100644
--- a/cobra_test.go
+++ b/cobra_test.go
@@ -416,8 +416,11 @@ func TestGrandChildSameName(t *testing.T) {
 }
 
 func TestFlagLong(t *testing.T) {
-	noRRSetupTest("echo --intone=13 something here")
+	noRRSetupTest("echo --intone=13 something -- here")
 
+	if cmdEcho.ArgsLenAtDash() != 1 {
+		t.Errorf("expected argsLenAtDash: %d but got %d", 1, cmdRootNoRun.ArgsLenAtDash())
+	}
 	if strings.Join(te, " ") != "something here" {
 		t.Errorf("flags didn't leave proper args remaining..%s given", te)
 	}
@@ -430,8 +433,11 @@ func TestFlagLong(t *testing.T) {
 }
 
 func TestFlagShort(t *testing.T) {
-	noRRSetupTest("echo -i13 something here")
+	noRRSetupTest("echo -i13 -- something here")
 
+	if cmdEcho.ArgsLenAtDash() != 0 {
+		t.Errorf("expected argsLenAtDash: %d but got %d", 0, cmdRootNoRun.ArgsLenAtDash())
+	}
 	if strings.Join(te, " ") != "something here" {
 		t.Errorf("flags didn't leave proper args remaining..%s given", te)
 	}
diff --git a/command.go b/command.go
index 6f73f715..0cc0b72a 100644
--- a/command.go
+++ b/command.go
@@ -470,6 +470,10 @@ func (c *Command) Root() *Command {
 	return findRoot(c)
 }
 
+func (c *Command) ArgsLenAtDash() int {
+	return c.Flags().ArgsLenAtDash()
+}
+
 func (c *Command) execute(a []string) (err error) {
 	if c == nil {
 		return fmt.Errorf("Called Execute() on a nil Command")