Remove 'comments' parameter in GenericBaseRecipe.createWrapper

It was used in only 2 places and createPythonScript has no equivalent
(maybe reusing 'initialization' from easy_install would produce something
readable enough). For the moment, let's drop this parameter, so that
createWrapper can switch to Python wrappers for complex cases.

slapos/recipe/librecipe/generic.py

@@ -136,9 +136,7 @@ class GenericBaseRecipe(object):
       [(filename, module, function)], self._ws, sys.executable,
       path, arguments=', '.join(args))[0]
 
-  def createWrapper(self, name, command, parameters, comments=(),
-      environment=None,
-  ):
+  def createWrapper(self, name, command, parameters, environment=None):
     """
     Creates a basic shell script for process replacement.
     Takes care of quoting.
@@ -150,9 +148,6 @@ class GenericBaseRecipe(object):
     """
     lines = [ '#!/bin/sh' ]
 
-    if comments:
-      lines += '# ', '\n# '.join(comments), '\n'
-
     for key in environment or ():
       lines.append('export %s=%s' % (key, shlex.quote(environment[key])))
 

slapos/recipe/notifier.py

@@ -32,6 +32,7 @@ class Recipe(GenericBaseRecipe):
 
   def install(self):
     options = self.options
+    # Script that execute the callback(s) upon receiving a notification.
     script = self.createWrapper(name=options['wrapper'],
                                 command=options['server-binary'],
                                 parameters=[
@@ -40,10 +41,7 @@ class Recipe(GenericBaseRecipe):
                                    '--equeue-socket', options['equeue-socket'],
                                    options['host'], options['port']
                                    ],
-                                comments=[
-                                    '',
-                                    'Upon receiving a notification, execute the callback(s).',
-                                    ''])
+                                )
     return [script]
 
 
@@ -105,13 +103,11 @@ class Notify(GenericBaseRecipe):
         'slapos.recipe.librecipe.execute.generic_exec',
         (cmd,), {'pidfile': pidfile})
 
+    # Script that call an executable and send notification(s).
     return self.createWrapper(name=wrapper,
                               command=cmd[0],
                               parameters=cmd[1:],
-                              comments=[
-                                  '',
-                                  'Call an executable and send notification(s).',
-                                  ''])
+                              )
 
 
   def install(self):