copy_qxl_to_image: ask user to get guestfish

1 files changed, 4 insertions, 0 deletions

diff --git a/copy_qxl_to_image b/copy_qxl_to_image
index 8713cf6..d32cd1e 100755
--- a/copy_qxl_to_image
+++ b/copy_qxl_to_image
@@ -14,6 +14,10 @@ parser.add_argument('--erase_old_driver_files', dest='erase', default=False, act
 parser.add_argument('--allow-old', action='store_true', default=False)
 args, rest = parser.parse_known_args(sys.argv[1:])
 
+if not os.system('which guestfish'):
+    print "missing guestfish - yum install guestfish (or something)"
+    sys.exit(1)
+
 def no_flags_usage(rest):
     if len(rest) != 4:
         parser.print_usage()