From 2dbaebd6492256fdcfd1a2891f9adce93b61d941 Mon Sep 17 00:00:00 2001
From: Milan Zazrivec <mzazrivec@redhat.com>
Date: Mon, 13 Aug 2018 10:28:01 +0200
Subject: [PATCH] rake locale:plugin:find -- print nice error for non-existent
 plugin

---
 lib/tasks/locale.rake | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/tasks/locale.rake b/lib/tasks/locale.rake
index 98252386afb3..419f32cc9aa2 100644
--- a/lib/tasks/locale.rake
+++ b/lib/tasks/locale.rake
@@ -157,7 +157,12 @@ namespace :locale do
       exit 1
     end
     @domain = args[:engine].gsub('::', '_')
-    @engine = "#{args[:engine].camelize}::Engine".constantize
+    begin
+      @engine = "#{args[:engine].camelize}::Engine".constantize
+    rescue NameError
+      warn "The specified plugin #{args[:engine]} does not exist."
+      exit 1
+    end
     @engine_root = @engine.root
 
     # extract plugin's yaml strings