commit 9115c850c9fda46c26dcc0f2f627b7483aa39435
Author: Michal Domonkos <mdomonko@redhat.com>
Date:   Wed Jun 14 18:38:03 2017 +0200

    Don't require enabled repos for URL installs. BZ 1175315
    
    This makes the check consistent with installPkgs() (cli.py:979).

diff --git a/yumcommands.py b/yumcommands.py
index 502bcb3..1be1051 100644
--- a/yumcommands.py
+++ b/yumcommands.py
@@ -253,7 +253,8 @@ def checkEnabledRepo(base, possible_local_files=[]):
         return
 
     for lfile in possible_local_files:
-        if lfile.endswith(".rpm") and os.path.exists(lfile):
+        if lfile.endswith(".rpm") and (yum.misc.re_remote_url(lfile) or
+                                       os.path.exists(lfile)):
             return
 
     # runs prereposetup (which "most" plugins currently use to add repos.)