X-Git-Url: https://git.grml.org/?p=grml2usb.git;a=blobdiff_plain;f=grml2usb;h=e85d5745273eb9adc5bc25bf6aaff4092aab596e;hp=8560f34396123529e2b690958e300ecf4ab52a94;hb=b79a4cc0cfb42be3f9f4aa33993f928bffedd692;hpb=3836a7165cd7f3e82ffca1b841fca16eb789a6ce

diff --git a/grml2usb b/grml2usb
index 8560f34..e85d574 100755
--- a/grml2usb
+++ b/grml2usb
@@ -22,7 +22,7 @@ import uuid
 import struct
 
 # global variables
-PROG_VERSION = "0.9.26"
+PROG_VERSION = "0.9.27~git"
 MOUNTED = set()  # register mountpoints
 TMPFILES = set() # register tmpfiles
 DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
@@ -649,7 +649,7 @@ def install_grub(device):
                     grub_device = device
 
                 logging.info("Installing grub as bootloader")
-                logging.debug("grub-install --recheck --no-floppy --root-directory=%s %s",
+                logging.debug("grub-install --recheck --force --no-floppy --root-directory=%s %s",
                               device_mountpoint, grub_device)
                 proc = subprocess.Popen(["grub-install", "--recheck", "--force", "--no-floppy",
                                          "--root-directory=%s" % device_mountpoint, grub_device],
@@ -974,19 +974,19 @@ def check_for_fat(partition):
 
     @partition: device name of partition"""
 
+    if not os.access(partition, os.R_OK):
+        raise CriticalException("Failed to read device %s"
+                " (wrong UID/permissions or device/directory not present?)" % partition)
+
     try:
         udev_info = subprocess.Popen(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition],
                                      stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         filesystem = udev_info.communicate()[0].rstrip()
 
-        if udev_info.returncode == 2:
-            raise CriticalException("Failed to read device %s"
-                                    " (wrong UID/permissions or device/directory not present?)" % partition)
-
         if filesystem != "vfat":
             raise CriticalException(
-                    "Partition %s does not contain a FAT16 filesystem." % (partition) \
-                    + "(Use --fat16 or run mkfs.vfat %s)" % (partition))
+                    "Partition %s does not contain a FAT16 filesystem. "
+                    "(Use --fat16 or run mkfs.vfat %s)" % (partition, partition))
 
     except OSError:
         raise CriticalException("Sorry, /sbin/blkid not available (install e2fsprogs?)")