From e3c14b831e61871a0abd67aec472e555e26077aa Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josharian@gmail.com>
Date: Tue, 23 May 2017 07:45:43 -0700
Subject: [PATCH] check whether rc file exists during installation

---
 cmd/install/install.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmd/install/install.go b/cmd/install/install.go
index 0a93128..f6123d1 100644
--- a/cmd/install/install.go
+++ b/cmd/install/install.go
@@ -81,5 +81,9 @@ func rcFile(name string) string {
 	if err != nil {
 		return ""
 	}
-	return filepath.Join(u.HomeDir, name)
+	path := filepath.Join(u.HomeDir, name)
+	if _, err := os.Stat(path); err != nil {
+		return ""
+	}
+	return path
 }