Fix typo in option handling.
[grml2usb.git] / grml2usb
index d10cf1d..5aea516 100755 (executable)
--- a/grml2usb
+++ b/grml2usb
@@ -12,26 +12,32 @@ This script installs a grml system (either a running system or ISO[s]) to a USB
 
 """
 
-# from __future__ import with_statement
 from optparse import OptionParser
 from inspect import isroutine, isclass
 import datetime, logging, os, re, subprocess, sys, tempfile, time, os.path
 import fileinput
 import glob
+import uuid
 
 # global variables
-PROG_VERSION = "0.9.16"
+PROG_VERSION = "0.9.25"
 MOUNTED = set()  # register mountpoints
 TMPFILES = set() # register tmpfiles
 DATESTAMP = time.mktime(datetime.datetime.now().timetuple()) # unique identifier for syslinux.cfg
 GRML_FLAVOURS = set() # which flavours are being installed?
-global GRML_DEFAULT
+GRML_DEFAULT = None
+UUID = None
 
 def syslinux_warning(option, opt, value, parser):
     sys.stderr.write("Note: the --syslinux option is deprecated as syslinux " +
-            "is grml2usb's default. Continuing anyway.\n")
+                     "is grml2usb's default. Continuing anyway.\n")
     setattr(parser.values, option.dest, True)
 
+# if grub option is set, unset syslinux option
+def grub_option(option, opt, value, parser):
+    setattr(parser.values, option.dest, True)
+    setattr(parser.values, 'syslinux', False)
+
 # cmdline parsing
 USAGE = "Usage: %prog [options] <[ISO[s] | /live/image]> </dev/sdX#>\n\
 \n\
@@ -56,7 +62,8 @@ parser.add_option("--fat16", dest="fat16", action="store_true",
                   help="format specified partition with FAT16")
 parser.add_option("--force", dest="force", action="store_true",
                   help="force any actions requiring manual interaction")
-parser.add_option("--grub", dest="grub", action="store_true",
+parser.add_option("--grub", dest="grub", action="callback",
+                  callback=grub_option,
                   help="install grub bootloader instead of (default) syslinux")
 parser.add_option("--grub-mbr", dest="grubmbr", action="store_true",
                   help="install grub into MBR instead of (default) PBR")
@@ -218,6 +225,17 @@ def which(program):
     return None
 
 
+def get_defaults_file(iso_mount, flavour, name):
+    """get the default file for syslinux
+    """
+    bootloader_dirs = ['/boot/isolinux/', '/boot/syslinux/']
+    for dir in bootloader_dirs:
+        for name in name, \
+        "%s_%s" % (flavour_filename(flavour), name):
+            if os.path.isfile(iso_mount + dir + name):
+                return (dir, name)
+    return ('','')
+
 def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin'):
     """Given a search path, find file
 
@@ -226,10 +244,18 @@ def search_file(filename, search_path='/bin' + os.pathsep + '/usr/bin'):
     file_found = 0
     paths = search_path.split(os.pathsep)
     current_dir = '' # make pylint happy :)
+
+    def match_file(cwd):
+        return  os.path.exists(os.path.join(cwd, filename))
+
     for path in paths:
+        current_dir = path
+        if match_file(current_dir):
+            file_found = 1
+            break
         # pylint: disable-msg=W0612
         for current_dir, directories, files in os.walk(path):
-            if os.path.exists(os.path.join(current_dir, filename)):
+            if match_file(current_dir):
                 file_found = 1
                 break
     if file_found:
@@ -298,7 +324,7 @@ fi
 
 menuentry "%(grml_flavour)s (default)" {
     set gfxpayload=1024x768x16,1024x768
-    linux   /boot/release/%(flavour_filename)s/linux26 apm=power-off quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
+    linux   /boot/release/%(flavour_filename)s/linux26 apm=power-off quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
     initrd  /boot/release/%(flavour_filename)s/initrd.gz
 }
 
@@ -334,8 +360,8 @@ menuentry "Boot OS of first partition on first disk" {
 }
 
 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
-        'flavour_filename': grml_flavour.replace('-', ''),
-        'bootoptions': bootoptions } )
+       'flavour_filename': grml_flavour.replace('-', ''),
+       'uid': UUID, 'bootoptions': bootoptions } )
 
 
 def generate_flavour_specific_grub2_config(grml_flavour, bootoptions):
@@ -350,60 +376,60 @@ def generate_flavour_specific_grub2_config(grml_flavour, bootoptions):
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s            - boot in default mode" {
     set gfxpayload=1024x768x16,1024x768
-    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
+    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s-persistent - enable persistency feature" {
     set gfxpayload=1024x768x16,1024x768
-    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet persistent live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
+    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet persistent live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s2ram        - copy compressed grml file to RAM" {
     set gfxpayload=1024x768x16,1024x768
-    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs %(bootoptions)s
+    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s-debug      - enable debugging options" {
     set gfxpayload=1024x768x16,1024x768
-    linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ debug initcall_debug%(bootoptions)s
+    linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ debug bootid=%(uid)s initcall_debug %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s-x          - start X Window System" {
     set gfxpayload=1024x768x16,1024x768
-    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng %(bootoptions)s
+    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s-nofb       - disable framebuffer" {
-    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly %(bootoptions)s
+    linux  /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s-failsafe   - disable hardware detection" {
-    linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal noautoconfig atapicd noapic noacpi acpi=off nomodules nofirewire noudev nousb nohotplug noapm nopcmcia nosmp maxcpus=0 noscsi noagp nodma ide=nodma noswap nofstab nosound nogpm nosyslog nodhcp nocpu nodisc nomodem xmodule=vesa noraid nolvm noresume selinux=0 edd=off pci=nomsi %(bootoptions)s
+    linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal noautoconfig atapicd noapic noacpi acpi=off nomodules nofirewire noudev nousb nohotplug noapm nopcmcia nosmp maxcpus=0 noscsi noagp nodma ide=nodma noswap nofstab nosound nogpm nosyslog nodhcp nocpu nodisc nomodem xmodule=vesa noraid nolvm noresume selinux=0 edd=off pci=nomsi bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 menuentry "%(grml_flavour)s-forensic   - do not touch harddisks during hw recognition" {
     set gfxpayload=1024x768x16,1024x768
-    linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ nofstab noraid nolvm noautoconfig noswap raid=noautodetect forensic readonly %(bootoptions)s
+    linux /boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ nofstab noraid nolvm noautoconfig noswap raid=noautodetect forensic readonly bootid=%(uid)s %(bootoptions)s
     initrd /boot/release/%(flavour_filename)s/initrd.gz
 }
 
 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
        'flavour_filename': grml_flavour.replace('-', ''),
-       'bootoptions': bootoptions } )
+       'uid': UUID, 'bootoptions': bootoptions } )
 
 
 def generate_flavour_specific_grub1_config(grml_flavour, install_partition, bootoptions):
@@ -418,51 +444,51 @@ def generate_flavour_specific_grub1_config(grml_flavour, install_partition, boot
     return("""\
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-persistent
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet persistent live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet persistent live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s2ram
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ toram=%(grml_flavour)s.squashfs bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-debug
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ debug initcall_debug%(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ debug initcall_debug bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-x
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ startx=wm-ng bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-nofb
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=ofonly bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-failsafe
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal noautoconfig atapicd noapic noacpi acpi=off nomodules nofirewire noudev nousb nohotplug noapm nopcmcia nosmp maxcpus=0 noscsi noagp nodma ide=nodma noswap nofstab nosound nogpm nosyslog nodhcp nocpu nodisc nomodem xmodule=vesa noraid nolvm noresume selinux=0 edd=off pci=nomsi %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal noautoconfig atapicd noapic noacpi acpi=off nomodules nofirewire noudev nousb nohotplug noapm nopcmcia nosmp maxcpus=0 noscsi noagp nodma ide=nodma noswap nofstab nosound nogpm nosyslog nodhcp nocpu nodisc nomodem xmodule=vesa noraid nolvm noresume selinux=0 edd=off pci=nomsi bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-forensic
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ nofstab noraid nolvm noautoconfig noswap raid=noautodetect forensic readonly %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce vga=791 quiet live-media-path=/live/%(grml_flavour)s/ nofstab noraid nolvm noautoconfig noswap raid=noautodetect forensic readonly bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 ## flavour specific configuration for %(grml_flavour)s [grml2usb for %(grml_flavour)s: %(local_datestamp)s]
 title %(grml_flavour)s-serial
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=vesafb:off console=tty1 console=ttyS0,9600n8 %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off boot=live nomce quiet live-media-path=/live/%(grml_flavour)s/ vga=normal video=vesafb:off console=tty1 console=ttyS0,9600n8 bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
-       'flavour_filename': grml_flavour.replace('-', ''),
+       'flavour_filename': grml_flavour.replace('-', ''), 'uid': UUID,
        'bootoptions': bootoptions, 'install_partition': install_partition } )
 
 
@@ -484,7 +510,7 @@ background  = FFCC33
 
 # define entries:
 title %(grml_flavour)s  - Default boot (using 1024x768 framebuffer)
-kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off vga=791 quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ %(bootoptions)s
+kernel (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/linux26 apm=power-off vga=791 quiet boot=live nomce live-media-path=/live/%(grml_flavour)s/ bootid=%(uid)s %(bootoptions)s
 initrd (hd0,%(install_partition)s)/boot/release/%(flavour_filename)s/initrd.gz
 
 title Memory test (memtest86+)
@@ -502,7 +528,7 @@ title MirOS BSD
 kernel (hd0,%(install_partition)s)/boot/addons/bsd4grml/ldbsd.com
 
 """ % {'grml_flavour': grml_flavour, 'local_datestamp': local_datestamp,
-       'flavour_filename': grml_flavour.replace('-', ''),
+       'flavour_filename': grml_flavour.replace('-', ''), 'uid': UUID,
        'bootoptions': bootoptions, 'install_partition': install_partition } )
 
 
@@ -599,7 +625,6 @@ def install_grub(device):
                 mount(device, device_mountpoint, "")
 
                 # If using --grub-mbr then make sure we install grub in MBR instead of PBR
-                # Thanks to grub2. NOT.
                 if options.grubmbr:
                     logging.debug("Using option --grub-mbr ...")
                     if device[-1:].isdigit():
@@ -611,14 +636,14 @@ def install_grub(device):
 
                 logging.info("Installing grub as bootloader")
                 logging.debug("grub-install --recheck --no-floppy --root-directory=%s %s",
-                    device_mountpoint, grub_device)
-                proc = subprocess.Popen(["grub-install", "--recheck", "--no-floppy",
-                    "--root-directory=%s" % device_mountpoint, grub_device], stdout=file(os.devnull, "r+"))
+                              device_mountpoint, grub_device)
+                proc = subprocess.Popen(["grub-install", "--recheck", "--force", "--no-floppy",
+                                         "--root-directory=%s" % device_mountpoint, grub_device], stdout=file(os.devnull, "r+"))
                 proc.wait()
                 if proc.returncode != 0:
                     # raise Exception("error executing grub-install")
                     logging.critical("Fatal: error executing grub-install (please check the grml2usb FAQ or drop the --grub option)")
-                    logging.critical("Note:  if using grub2 consider using the --grub-mbr option because grub2's PBR feature is broken.")
+                    logging.critical("Note:  if using grub2 consider using the --grub-mbr option as grub considers PBR problematic.")
                     cleanup()
                     sys.exit(1)
             except CriticalException, error:
@@ -770,9 +795,9 @@ def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
         raise Exception("error executing dd (first run)")
 
     logging.debug("executing: dd if=%s of=%s bs=%s count=1 conv=notrunc", mbrtemplate,
-        tmpf.name, nmbrbytes)
+                  tmpf.name, nmbrbytes)
     proc = subprocess.Popen(["dd", "if=%s" % mbrtemplate, "of=%s" % tmpf.name, "bs=%s" % nmbrbytes,
-        "count=1", "conv=notrunc"], stderr=file(os.devnull, "r+"))
+                             "count=1", "conv=notrunc"], stderr=file(os.devnull, "r+"))
     proc.wait()
     if proc.returncode != 0:
         raise Exception("error executing dd (second run)")
@@ -783,15 +808,15 @@ def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
 
     if ismirbsdmbr:
         mbrcode = mbrcode[0:439] + chr(partition) + \
-          mbrcode[440:510] + "\x55\xAA"
+                mbrcode[440:510] + "\x55\xAA"
     else:
         actives = ["\x00", "\x00", "\x00", "\x00"]
         actives[partition] = "\x80"
         mbrcode = mbrcode[0:446] + actives[0] + \
-          mbrcode[447:462] + actives[1] + \
-          mbrcode[463:478] + actives[2] + \
-          mbrcode[479:494] + actives[3] + \
-          mbrcode[495:510] + "\x55\xAA"
+                mbrcode[447:462] + actives[1] + \
+                mbrcode[463:478] + actives[2] + \
+                mbrcode[479:494] + actives[3] + \
+                mbrcode[495:510] + "\x55\xAA"
 
     tmpf.file.seek(0)
     tmpf.file.truncate()
@@ -800,7 +825,7 @@ def install_mir_mbr(mbrtemplate, device, partition, ismirbsdmbr=True):
 
     logging.debug("executing: dd if='%s' of='%s' bs=512 count=1 conv=notrunc", tmpf.name, device)
     proc = subprocess.Popen(["dd", "if=%s" % tmpf.name, "of=%s" % device, "bs=512", "count=1",
-                            "conv=notrunc"], stderr=file(os.devnull, "r+"))
+                             "conv=notrunc"], stderr=file(os.devnull, "r+"))
     proc.wait()
     if proc.returncode != 0:
         raise Exception("error executing dd (third run)")
@@ -938,14 +963,14 @@ def check_for_fat(partition):
 
     try:
         udev_info = subprocess.Popen(["/sbin/blkid", "-s", "TYPE", "-o", "value", partition],
-                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                                     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 options.syslinux and filesystem != "vfat":
+        if filesystem != "vfat":
             raise CriticalException("Partition %s does not contain a FAT16 filesystem. (Use --fat16 or run mkfs.vfat %s)" % (partition, partition))
 
     except OSError:
@@ -983,6 +1008,30 @@ def exec_rsync(source, target):
         sys.exit(1)
 
 
+def write_uuid(target_file):
+    file = open(target_file, 'w')
+    uid = str(uuid.uuid4())
+    file.write(uid)
+    file.close()
+    return uid
+
+
+def get_uuid(target):
+    conf_target = target + "/conf/"
+    uuid_file_name = conf_target + "/bootid.txt"
+    if os.path.isdir(conf_target):
+        if os.path.isfile(uuid_file_name):
+            uuid_file = open(uuid_file_name, 'r')
+            uid = uuid_file.readline().strip()
+            uuid_file.close()
+            return uid
+        else:
+            return write_uuid(uuid_file_name)
+    else:
+        execute(mkdir, conf_target)
+        return write_uuid(uuid_file_name)
+
+
 def copy_system_files(grml_flavour, iso_mount, target):
     """copy grml's main files (like squashfs, kernel and initrd) to a given target
 
@@ -999,24 +1048,32 @@ def copy_system_files(grml_flavour, iso_mount, target):
         execute(mkdir, squashfs_target)
     exec_rsync(squashfs, squashfs_target + grml_flavour + '.squashfs')
 
-    filesystem_module = search_file('filesystem.module', iso_mount)
+    for prefix in grml_flavour + "/", "":
+        filesystem_module = search_file(prefix + 'filesystem.module', iso_mount)
+        if filesystem_module: break
     if filesystem_module is None:
         logging.critical("Fatal: filesystem.module not found")
         raise CriticalException("error locating filesystem.module file")
     else:
         exec_rsync(filesystem_module, squashfs_target + 'filesystem.module')
 
-    release_target = target + '/boot/release/' + grml_flavour.replace('-', '')
+
+    release_path = 'boot/release/' + grml_flavour.replace('-', '')
+    release_target = target + "/" + release_path
     execute(mkdir, release_target)
 
-    kernel = search_file('linux26', iso_mount)
+    prefix = ""
+    if os.path.isdir(iso_mount + '/boot/release'):
+        prefix = release_path + '/'
+
+    kernel = search_file(prefix + 'linux26', iso_mount)
     if kernel is None:
         logging.critical("Fatal kernel not found")
         raise CriticalException("error locating kernel file")
     else:
         exec_rsync(kernel, release_target + '/linux26')
 
-    initrd = search_file('initrd.gz', iso_mount)
+    initrd = search_file(prefix + 'initrd.gz', iso_mount)
     if initrd is None:
         logging.critical("Fatal: initrd not found")
         raise CriticalException("error locating initrd file")
@@ -1033,7 +1090,33 @@ def copy_grml_files(iso_mount, target):
     grml_target = target + '/grml/'
     execute(mkdir, grml_target)
 
-    for myfile in 'grml-cheatcodes.txt', 'grml-version', 'LICENSE.txt', 'md5sums', 'README.txt':
+    copy_files = [ 'grml-cheatcodes.txt', 'LICENSE.txt', 'md5sums', 'README.txt' ]
+    # handle grml-version
+    new_grml_version = search_file('grml-version', grml_target)
+    if new_grml_version:
+        orig_grml_version = search_file('grml-version', iso_mount)
+        if not orig_grml_version:
+            logging.warn("Warning: %s could not be found - can not install it", orig_grml_version)
+        else:
+            try:
+                new_file = open(new_grml_version, 'a+')
+                new_flavours = [ get_flavour(l) for l in new_file.readlines() ]
+
+                old_file = open(orig_grml_version, 'r')
+                old_lines = old_file.readlines()
+                for line in old_lines:
+                    if not get_flavour(line) in new_flavours:
+                        new_file.write(line)
+
+            except IOError, e:
+                logging.warn("Warning: Could not write file")
+            finally:
+                new_file.close()
+                old_file.close()
+    else:
+        copy_files.append('grml-version')
+
+    for myfile in copy_files:
         grml_file = search_file(myfile, iso_mount)
         if grml_file is None:
             logging.warn("Warning: myfile %s could not be found - can not install it", myfile)
@@ -1136,34 +1219,40 @@ def copy_bootloader_files(iso_mount, target):
     logo = search_file('logo.16', iso_mount)
     exec_rsync(logo, syslinux_target + 'logo.16')
 
+
     for ffile in ['f%d' % number for number in range(1,11) ]:
         bootsplash = search_file(ffile, iso_mount)
         if not bootsplash:
             continue
         exec_rsync(bootsplash, syslinux_target + ffile)
 
+    loopback_cfg = search_file("loopback.cfg", iso_mount)
+    if loopback_cfg:
+        directory = os.path.dirname(loopback_cfg)
+        directory = directory.replace(iso_mount, "")
+        if not os.path.isdir(target + "/" + directory):
+            os.mkdir(target + os.path.sep + directory)
+        exec_rsync(loopback_cfg, target + os.path.sep + directory)
+
     # avoid the "file is read only, overwrite anyway (y/n) ?" question
     # of mtools by syslinux ("mmove -D o -D O s:/ldlinux.sys $target_file")
     if os.path.isfile(syslinux_target + 'ldlinux.sys'):
         os.unlink(syslinux_target + 'ldlinux.sys')
 
-    bootloader_dirs = ['/boot/isolinux/', '/boot/syslinux/']
-    source_dir = None
-    for dir in bootloader_dirs:
-        if glob.glob(iso_mount + dir + '*default.cfg'):
-            source_dir = dir
-            break
-    else:
+    source_dir, name = get_defaults_file(iso_mount, GRML_DEFAULT, "default.cfg")
+    (source_dir,options) = get_defaults_file(iso_mount, GRML_DEFAULT, "grml.cfg")
+
+    if not source_dir:
         logging.critical("Fatal: file default.cfg could not be found.")
         logging.critical("Note:  this grml2usb version requires an ISO generated by grml-live >=0.9.24 ...")
         logging.critical("       ... either use grml releases >=2009.10 or switch to an older grml2usb version.")
         logging.critical("       Please visit http://grml.org/grml2usb/#grml2usb-compat for further information.")
         raise
 
-    for expr in '*default.cfg', 'distri.cfg', \
-                    '*grml.cfg', 'grml.png', 'hd.cfg', 'isolinux.cfg', 'isolinux.bin', \
-                    'isoprompt.cfg', 'options.cfg', \
-                    'prompt.cfg', 'vesamenu.c32', 'vesamenu.cfg', 'grml.png':
+    for expr in name, 'distri.cfg', \
+        options, 'grml.png', 'hd.cfg', 'isolinux.cfg', 'isolinux.bin', \
+        'isoprompt.cfg', 'options.cfg', \
+        'prompt.cfg', 'vesamenu.c32', 'vesamenu.cfg', 'grml.png', '*.c32':
         files = glob.glob(iso_mount + source_dir + expr)
         for path in files:
             filename = os.path.basename(path)
@@ -1196,6 +1285,15 @@ def copy_bootloader_files(iso_mount, target):
     if os.path.isfile("/usr/share/grub/ascii.pf2"):
         exec_rsync('/usr/share/grub/ascii.pf2', grub_target + 'ascii.pf2')
 
+    # always copy grub content as it might be useful
+    for file in glob.glob(iso_mount + '/boot/grub/*.mod'):
+        exec_rsync(file, grub_target)
+
+    for file in glob.glob(iso_mount + '/boot/grub/*.img'):
+        exec_rsync(file, grub_target)
+
+    for file in glob.glob(iso_mount + '/boot/grub/stage*'):
+        exec_rsync(file, grub_target)
 
 def install_iso_files(grml_flavour, iso_mount, device, target):
     """Copy files from ISO to given target
@@ -1210,6 +1308,8 @@ def install_iso_files(grml_flavour, iso_mount, device, target):
     # * provide alternative search_file() if file information is stored in a config.ini file?
     # * catch "install: .. No space left on device" & CO
 
+    global GRML_DEFAULT
+    GRML_DEFAULT = grml_flavour
     if options.dryrun:
         return 0
     elif not options.bootloaderonly:
@@ -1247,6 +1347,11 @@ def uninstall_files(device):
     logging.critical("TODO: uninstalling files from %s not yet implement, sorry.", device)
 
 
+def get_flavour(str):
+    """Returns the flavour of a grml version string
+    """
+    return re.match(r'[\w-]*', str).group()
+
 def identify_grml_flavour(mountpath):
     """Get name of grml flavour
 
@@ -1259,17 +1364,21 @@ def identify_grml_flavour(mountpath):
         logging.critical("Error: could not find grml-version file.")
         raise
 
+    flavours = []
+    tmpfile = None
     try:
         tmpfile = open(version_file, 'r')
-        grml_info = tmpfile.readline()
-        grml_flavour = re.match(r'[\w-]*', grml_info).group()
-    except TypeError:
+        for line in tmpfile.readlines():
+            flavours.append(get_flavour(line))
+    except TypeError, e:
         raise
     except Exception, e:
         logging.critical("Unexpected error: %s", e)
         raise
+    finally:
+        if tmpfile: tmpfile.close()
 
-    return grml_flavour
+    return flavours
 
 
 def modify_grub_config(filename):
@@ -1449,13 +1558,16 @@ def add_entry_if_not_present(filename, entry):
 
     data.close()
 
-
+def flavour_filename(flavour):
+    return flavour.replace('-', '_')
 
 def adjust_syslinux_bootoptions(src, flavour):
-    append_re = re.compile("^(\s*append.*)$", re.I)
+    append_re = re.compile("^(\s*append.*/boot/release.*)$", re.I)
     boot_re = re.compile("/boot/([a-zA-Z0-9_]+/)+([a-zA-Z0-9._]+)")
     # flavour_re = re.compile("(label.*)(grml\w+)")
     default_re = re.compile("(default.cfg)")
+    bootid_re = re.compile("bootid=[\w_-]+")
+    live_media_path_re = re.compile("live-media-path=[\w_/-]+")
 
     # do NOT write "None" in kernel cmdline
     if options.bootoptions is None:
@@ -1471,22 +1583,26 @@ def adjust_syslinux_bootoptions(src, flavour):
         for regex in options.removeoption:
             regexe.append(re.compile(r'%s' % regex))
 
+    global UUID
     for line in fileinput.input(src, inplace=1):
         line = boot_re.sub(r'/boot/release/%s/\2 ' % flavour.replace('-', ''), line)
         # line = flavour_re.sub(r'\1 %s-\2' % flavour, line)
         line = default_re.sub(r'%s-\1' % flavour, line)
+        line = bootid_re.sub('', line)
+        line = live_media_path_re.sub('', line)
         line = append_re.sub(r'\1 live-media-path=/live/%s/ ' % flavour, line)
         line = append_re.sub(r'\1 boot=live %s ' % bootopt, line)
+        line = append_re.sub(r'\1 %s=%s ' % ("bootid", UUID), line)
         if option_re and option_re.search(line):
             for regex in regexe:
                 line = regex.sub(' ', line)
         sys.stdout.write(line)
     fileinput.close()
 
-def adjust_labels(src, flavour):
+def adjust_labels(src, replacement):
     label_re = re.compile("^(\s*label\s*) ([a-zA-Z0-9_-]+)", re.I)
     for line in fileinput.input(src, inplace=1):
-        line = label_re.sub(r'\1 %s-\2' % flavour, line)
+        line = label_re.sub(replacement, line)
         sys.stdout.write(line)
     fileinput.close()
 
@@ -1508,7 +1624,6 @@ def modify_filenames(grml_flavour, target, filenames):
         old_filename = "%s/%s" % (target, filename)
         new_filename = "%s/%s_%s" % (target, grml_filename, filename)
         os.rename(old_filename, new_filename)
-        adjust_syslinux_bootoptions(new_filename, grml_flavour)
 
 
 def remove_default_entry(filename):
@@ -1551,13 +1666,14 @@ def handle_syslinux_config(grml_flavour, target):
     prompt_name.close()
 
     initial_syslinux_config(syslinux_target)
+    flavour_filename = grml_flavour.replace('-', '_')
+
     if search_file('default.cfg', syslinux_target):
         modify_filenames(grml_flavour, syslinux_target, ['grml.cfg', 'default.cfg'])
 
     filename = search_file("new_hidden.cfg", syslinux_target)
 
 
-    flavour_filename = grml_flavour.replace('-', '_')
     # process hidden file
     if not search_file("hidden.cfg", syslinux_target):
         new_hidden = syslinux_target + "hidden.cfg"
@@ -1567,8 +1683,8 @@ def handle_syslinux_config(grml_flavour, target):
         new_hidden =  "%s_hidden.cfg" % (flavour_filename)
         new_hidden_file =  "%s/%s" % (syslinux_target, new_hidden)
         os.rename(filename, new_hidden_file)
-        adjust_labels(new_hidden_file, flavour_filename)
-        adjust_syslinux_bootoptions(new_hidden_file, flavour_filename)
+        adjust_labels(new_hidden_file, r'\1 %s-\2' % grml_flavour)
+        adjust_syslinux_bootoptions(new_hidden_file, grml_flavour)
         entry = 'include %s\n' % new_hidden
         add_entry_if_not_present("%s/hiddens.cfg" % syslinux_target, entry)
 
@@ -1577,9 +1693,21 @@ def handle_syslinux_config(grml_flavour, target):
     new_default = "%s_default.cfg" % (flavour_filename)
     entry = 'include %s\n' % new_default
     defaults_file = '%s/defaults.cfg' % syslinux_target
+    new_default_with_path = "%s/%s" % (syslinux_target, new_default)
+    new_grml_cfg = "%s/%s_grml.cfg" % ( syslinux_target, flavour_filename)
 
     if os.path.isfile(defaults_file):
-        remove_default_entry('%s/%s_default.cfg' % (syslinux_target, flavour_filename))
+
+        # remove default menu entry in menu
+        remove_default_entry(new_default_with_path)
+
+        # adjust all labels for additional isos
+        adjust_labels(new_default_with_path, r'\1 %s' % grml_flavour)
+        adjust_labels(new_grml_cfg, r'\1 %s-\2' % grml_flavour)
+
+    # always adjust bootoptions
+    adjust_syslinux_bootoptions(new_default_with_path, grml_flavour)
+    adjust_syslinux_bootoptions(new_grml_cfg, grml_flavour)
 
     add_entry_if_not_present("%s/defaults.cfg" % syslinux_target, entry)
 
@@ -1593,6 +1721,8 @@ def handle_bootloader_config(grml_flavour, device, target):
     @device: device/partition where bootloader should be installed to
     @target: path of bootloader's configuration files"""
 
+    global UUID
+    UUID = get_uuid(target)
     if options.skipsyslinuxconfig:
         logging.info("Skipping generation of syslinux configuration as requested.")
     else:
@@ -1637,9 +1767,15 @@ def handle_dir(live_image, device):
 
     try:
         try:
-            grml_flavour = identify_grml_flavour(live_image)
-            logging.info("Identified grml flavour \"%s\".", grml_flavour)
-            install_iso_files(grml_flavour, live_image, device, device_mountpoint)
+            grml_flavours = identify_grml_flavour(live_image)
+            worked_flavours = []
+            for flavour in grml_flavours:
+                if flavour in worked_flavours:
+                    continue
+                else:
+                    worked_flavours.append(flavour)
+                logging.info("Identified grml flavour \"%s\".", flavour)
+                install_iso_files(flavour, live_image, device, device_mountpoint)
         except TypeError:
             logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
             sys.exit(1)
@@ -1688,17 +1824,27 @@ def handle_iso(iso, device):
         register_tmpfile(device_mountpoint)
         remove_device_mountpoint = True
         try:
-            mount(device, device_mountpoint, "")
+            check_for_fat(device)
+            mount(device, device_mountpoint, ['-o', 'utf8,iocharset=iso8859-1'])
         except CriticalException, error:
-            logging.critical("Fatal: %s", error)
-            cleanup()
-            sys.exit(1)
+            try:
+                mount(device, device_mountpoint, "")
+            except CriticalException, error:
+                logging.critical("Fatal: %s", error)
+                cleanup()
+                sys.exit(1)
 
     try:
         try:
-            grml_flavour = identify_grml_flavour(iso_mountpoint)
-            logging.info("Identified grml flavour \"%s\".", grml_flavour)
-            install_iso_files(grml_flavour, iso_mountpoint, device, device_mountpoint)
+            grml_flavours = identify_grml_flavour(iso_mountpoint)
+            worked_flavours = []
+            for flavour in grml_flavours:
+                if flavour in worked_flavours:
+                    continue
+                else:
+                    worked_flavours.append(flavour)
+                logging.info("Identified grml flavour \"%s\".", flavour)
+                install_iso_files(flavour, iso_mountpoint, device, device_mountpoint)
         except TypeError:
             logging.critical("Fatal: a critical error happend during execution (not a grml ISO?), giving up")
             sys.exit(1)
@@ -1790,12 +1936,12 @@ def handle_vfat(device):
     # check for vfat filesystem
     if device is not None and not os.path.isdir(device):
         try:
-            check_for_fat(device)
+            if options.syslinux: check_for_fat(device)
         except CriticalException, error:
             logging.critical("Execution failed: %s", error)
             sys.exit(1)
 
-    if not os.path.isdir(device) and not check_for_usbdevice(device):
+    if not os.path.isdir(device) and not check_for_usbdevice(device) and not options.force:
         print "Warning: the specified device %s does not look like a removable usb device." % device
         f = raw_input("Do you really want to continue? y/N ")
         if f == "y" or f == "Y":
@@ -1855,6 +2001,9 @@ def handle_bootloader(device):
 
 def main():
     """Main function [make pylint happy :)]"""
+    global GRML_FLAVOURS
+    global GRML_DEFAULT
+    global PROG_VERSION
 
     if options.version:
         print os.path.basename(sys.argv[0]) + " " + PROG_VERSION
@@ -1874,6 +2023,10 @@ def main():
     if options.dryrun:
         logging.info("Running in simulation mode as requested via option dry-run.")
 
+    if options.grubmbr and not options.grub:
+        logging.critical("Error: --grub-mbr requires --grub option.")
+        sys.exit(1)
+
     # specified arguments
     device = args[len(args) - 1]
     isos = args[0:len(args) - 1]