From ea93ba00ac67da3544759583e9f65d5c3249885c Mon Sep 17 00:00:00 2001
From: Pedro Nasser <pedronasser@gmail.com>
Date: Tue, 13 Dec 2016 23:55:32 -0200
Subject: [PATCH] Disable envAsHeader by default (#435)

* disable envAsHeader by default

* fix -e flag usage description
---
 fn/routes.go | 4 +++-
 fn/run.go    | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fn/routes.go b/fn/routes.go
index b788412d1..88abd2a40 100644
--- a/fn/routes.go
+++ b/fn/routes.go
@@ -237,7 +237,9 @@ func callfn(u string, content io.Reader, output io.Writer, env []string) error {
 
 	req.Header.Set("Content-Type", "application/json")
 
-	envAsHeader(req, env)
+	if len(env) > 0 {
+		envAsHeader(req, env)
+	}
 
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
diff --git a/fn/run.go b/fn/run.go
index 401140c10..54092815b 100644
--- a/fn/run.go
+++ b/fn/run.go
@@ -29,7 +29,7 @@ func runflags() []cli.Flag {
 	return []cli.Flag{
 		cli.StringSliceFlag{
 			Name:  "e",
-			Usage: "limit the environment variables sent to function, if ommited then all are sent.",
+			Usage: "select environment variables to be sent to function",
 		},
 	}
 }