Don't panic on darwin if launchctl has no output

guelfey · guelfey · commit 7ee164f616e3 · 2013-11-03T11:34:00.000+01:00
Fixes #31.
diff --git a/conn_darwin.go b/conn_darwin.go
@@ -12,5 +12,9 @@ func SessionBusPlatform() (*Conn, error) {
 		return nil, err
 	}
 
+	if len(b) == 0 {
+		return nil, errors.New("dbus: couldn't determine address of session bus")
+	}
+
 	return Dial("unix:path=" + string(b[:len(b)-1]))
 }

Original file line number	Diff line number	Diff line change
`@@ -12,5 +12,9 @@ func SessionBusPlatform() (*Conn, error) {`
`12`	`12`	`return nil, err`
`13`	`13`	`}`
`14`	`14`
	`15`	`+ if len(b) == 0 {`
	`16`	`+ return nil, errors.New("dbus: couldn't determine address of session bus")`
	`17`	`+ }`
	`18`	`+`
`15`	`19`	`return Dial("unix:path=" + string(b[:len(b)-1]))`
`16`	`20`	`}`