Allow sudofn injection into container

- allow connection objects to have a sudofn injected
- if sudofn is set, then Connect won't try to detect it

Signed-off-by: James Nesbitt <[email protected]>

connection.go

@@ -241,11 +241,19 @@ func (c *Connection) Connect() error {
 		c.OSVersion = &o
 	}
 
-	c.configureSudo()
+	if c.sudofunc == nil {
+		c.configureSudo()
+	}
 
 	return nil
 }
 
+// SetSudofn inject a sudofn into the connection before Connect()
+// @NOTE this will avoid sudo detection if done before Connect()
+func (c *Connection) SetSudofn(f func(string) string) {
+	c.sudofunc = f
+}
+
 func sudoNoop(cmd string) string {
 	return cmd
 }