Disable using proxy from /etc/sysconfig/proxy

Always set 'proxy' query paramer to disable using proxy from
/etc/sysconfig/proxy.

Fixes: #1093

Change-Id: I6a75c9e61bb2b2142c8401036ddd21b85886fa28

diff --git a/plugins/backend/zypppkgmgr.py b/plugins/backend/zypppkgmgr.py
index a1022fb..01fb503 100755 (executable)
--- a/plugins/backend/zypppkgmgr.py
+++ b/plugins/backend/zypppkgmgr.py
@@ -419,6 +419,8 @@ class Zypp(BackendPlugin):
                     baseurl.setQueryParam ("proxyuser", proxy_username)
                 if proxy_password:
                     baseurl.setQueryParam ("proxypass", proxy_password)
+            else:
+                baseurl.setQueryParam ("proxy", "_none_")
 
             repo.baseurl[0] = baseurl.asCompleteString()
             self.repos.append(repo)