pygrub: run first entry in config when invalid default boot option provided

This behaviour matches that of real GRUB.

Signed-off-by: Michal Novotny <minovotn@redhat.com>

diff --git a/tools/pygrub/src/pygrub b/tools/pygrub/src/pygrub
index e3a540fa04151f16b8b5e6410d2c3b710d560994..ba70832e62e01716d7049a91882bd5e9fe9571fa 100644 (file)
--- a/tools/pygrub/src/pygrub
+++ b/tools/pygrub/src/pygrub
@@ -530,7 +530,11 @@ def run_grub(file, entry, fs, arg):
         print "No kernel image selected!"
         sys.exit(1)
 
-    img = g.cf.images[sel]
+    try:
+        img = g.cf.images[sel]
+    except:
+        log.debug("PyGrub: Default selection is not valid, using first boot configuration...")
+        img = g.cf.images[0]
 
     grubcfg = { "kernel": None, "ramdisk": None, "args": None }