From 83e764260fe95dc3cbffbd00f28401c1717f406a Mon Sep 17 00:00:00 2001
From: Roman Prykhodchenko <me@romcheg.me>
Date: Tue, 26 Apr 2016 16:54:14 +0200
Subject: [PATCH] Allow optional uninstall.sh

Don't put any code to PREUN scripts if uninstall.sh
does not exist or is empty.

Closes-bug: #1574478
Change-Id: Ie7767e285b8086921a944da4bea9aa9749a0e323
---
 fuel_plugin_builder/templates/v3/build/plugin_rpm.spec.mako | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fuel_plugin_builder/templates/v3/build/plugin_rpm.spec.mako b/fuel_plugin_builder/templates/v3/build/plugin_rpm.spec.mako
index 37dcab5..d55d847 100644
--- a/fuel_plugin_builder/templates/v3/build/plugin_rpm.spec.mako
+++ b/fuel_plugin_builder/templates/v3/build/plugin_rpm.spec.mako
@@ -48,10 +48,11 @@ ${ postinstall_hook }
 # install:      (N/A)
 # upgrade:      1
 # uninstall:    0
+% if uninstall_hook:
 if [ $1 -eq 0 ]; then
     ${ uninstall_hook }
 fi
-
+% endif
 
 %%files
 /var/www/nailgun/plugins/${ name }