X-Git-Url: http://git.grml.org/?p=grml2usb.git;a=blobdiff_plain;f=grml2usb;h=223dae2a81c8e7c9d04cd9273b93b0659eafbafa;hp=6a8ada236700e7d8f40df700a1f6614ceb916a06;hb=9e7dd969c917d32365f2acb714c5c28e9c450dd3;hpb=67809e1cd9690cbd9f12fde6f20775e24df8548d

diff --git a/grml2usb b/grml2usb
index 6a8ada2..223dae2 100755
--- a/grml2usb
+++ b/grml2usb
@@ -503,6 +503,12 @@ def get_partition_for_path(path):
 
 
 def check_boot_flag(device):
+    if os.path.isdir(device):
+        logging.debug(
+            "Device %s is a directory, skipping check for boot flag." % device
+        )
+        return
+
     boot_dev, x = get_device_from_partition(device)
 
     logging.info("Checking for boot flag")
@@ -912,7 +918,7 @@ def mount(source, target, mount_options):
         if x.startswith(source):
             raise CriticalException(
                 (
-                    "Error executing mount: %s already mounted - "
+                    "Error executing mount: {0} already mounted - "
                     "please unmount before invoking grml2usb"
                 ).format(source)
             )
@@ -1947,7 +1953,7 @@ def handle_mbr(device):
                 break
 
         if not mbrcode:
-            str_locations = " or ".join(['"%s"' % l for l in mbr_locations])
+            str_locations = " or ".join(['"%s"' % x for x in mbr_locations])
             logging.error("Cannot find syslinux MBR, install it at %s)", str_locations)
             raise CriticalException(
                 "syslinux MBR  can not be found at %s." % str_locations