Do not use system shell

slapos/recipe/generic_memcached/__init__.py

@@ -46,6 +46,7 @@ class Recipe(GenericBaseRecipe):
         memcached_binary=self.options['binary_path'],
         memcached_ip=self.options['ip'],
         memcached_port=self.options['port'],
+        shell_path=self.options['shell-path'],
     )
 
     executable_path = self.createExecutable(

slapos/recipe/generic_memcached/template/memcached.in

-#!/bin/sh
+#!%(shell_path)s
 exec %(memcached_binary)s -p %(memcached_port)s -U %(memcached_port)s -l %(memcached_ip)s