[master 5/5] Fix crash when mirrorlist checkbox is checked

[dashea]

From: Jiri Konecny

---
 pyanaconda/ui/gui/spokes/source.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pyanaconda/ui/gui/spokes/source.py b/pyanaconda/ui/gui/spokes/source.py
index 688bc7c..f466369 100644
--- a/pyanaconda/ui/gui/spokes/source.py
+++ b/pyanaconda/ui/gui/spokes/source.py
@@ -948,8 +948,11 @@ def _checkURL(self, inputcheck, combo):
         if is_additional_repo:
             # Input object contains repository name
             repo = self._get_repo_by_id(inputcheck.input_obj)
-            protocol = urlsplit(repo.baseurl)[0]
-            url_string = repo.baseurl.strip()[len(protocol) + 3:]
+            protocol = urlsplit(repo.baseurl)[0] # extract protocol part (http, https, nfs...)
+            if repo.mirrorlist:
+                url_string = repo.mirrorlist.strip()[len(protocol) + 3:] # +3 for "://" part
+            else:
+                url_string = repo.baseurl.strip()[len(protocol) + 3:] # +3 for "://" part
         else:
             url_string = self.get_input(inputcheck.input_obj).strip()
             protocol = combo.get_active_id()