Try and deal with F26 being archived *already*

Grumble mumble.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

createhdds.py

@@ -286,7 +286,11 @@ class VirtInstallImage(object):
                 # branched
                 loctmp = "https://dl.fedoraproject.org/pub/{0}/development/{1}/{2}/{3}/os/"
             else:
-                loctmp = "https://download.fedoraproject.org/pub/{0}/releases/{1}/{2}/{3}/os/"
+                # sigh i hate life
+                if int(self.release < 27):
+                    loctmp = "https://archives.fedoraproject.org/pub/archive/{0}/linux/releases/{1}/{2}/{3}/os/"
+                else:
+                    loctmp = "https://download.fedoraproject.org/pub/{0}/releases/{1}/{2}/{3}/os/"
             xargs = "inst.ks=file:/{0}.ks".format(self.name)
             args = ["virt-install", "--disk", "size={0},path={1}".format(self.size, tmpfile),
                     "--os-variant", shortid, "-x", xargs, "--initrd-inject",