From e5642bd8b71d7a4a413565c95f39399a097b347d Mon Sep 17 00:00:00 2001
From: Aanand Prasad <aanand.prasad@gmail.com>
Date: Wed, 18 Dec 2013 15:13:02 +0000
Subject: [PATCH] Show a sensible error when an unknown service name is given
 to 'run'

---
 plum/cli/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plum/cli/main.py b/plum/cli/main.py
index 5650cdeb33..f4ba57666b 100644
--- a/plum/cli/main.py
+++ b/plum/cli/main.py
@@ -87,6 +87,8 @@ class TopLevelCommand(Command):
         Usage: run SERVICE COMMAND [ARGS...]
         """
         service = self.service_collection.get(options['SERVICE'])
+        if service is None:
+            raise UserError("No such service: %s" % options['SERVICE'])
         container_options = {
             'command': [options['COMMAND']] + options['ARGS'],
         }