From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 15 Mar 2015 07:53:51 +0000 (+0300)
Subject: Exit quietly if no script is found, as many of them are optional
X-Git-Tag: 2.2^2~5
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=1722999d6c106349d1254e041d618c9df76ede24;p=govpn.git

Exit quietly if no script is found, as many of them are optional

Signed-off-by: Sergey Matveev <stargrave@stargrave.org>
---

diff --git a/common.go b/common.go
index b38f52b..b42673c 100644
--- a/common.go
+++ b/common.go
@@ -23,6 +23,7 @@ import (
 	"encoding/hex"
 	"io/ioutil"
 	"log"
+	"os"
 	"os/exec"
 )
 
@@ -41,6 +42,9 @@ func ScriptCall(path, ifaceName string) ([]byte, error) {
 	if path == "" {
 		return nil, nil
 	}
+	if _, err := os.Stat(path); err != nil && os.IsNotExist(err) {
+		return nil, err
+	}
 	cmd := exec.Command(path, ifaceName)
 	var out bytes.Buffer
 	cmd.Stdout = &out