+
+chmod 755 /usr/bin/grml2hd_noninteractive
+einfo "Bootoption grml2hd found. Running automatic installation via grml2hd using /etc/grml2hd/config." && eend 0
+if [ -z "$GRML2HD_FAIL" ] ; then
+ screen /usr/bin/grml2hd_noninteractive ; einfo "Invoking a shell, just exit to continue booting..." ; /bin/zsh
+else
+ ewarn "There was an error adjusting /etc/grml2hd/config. Skipping execution of grml2hd for security reasons." ; eend 1
+fi
+
+fi # if stringinstring "BOOT_IMAGE=grml2hd ...
+}
+# }}}
+
+# {{{ debootstrap: automatic installation
+config_debootstrap(){
+
+if stringinstring "BOOT_IMAGE=debian2hd " "$CMDLINE" ; then
+
+einfo "Bootoption debian2hd found. Setting up environment for automatic installation via grml-debootstrap." ; eend 0
+
+if ! [ -x /usr/sbin/grml-debootstrap ] ; then
+ eindent
+ eerror "Bootoption debian2hd found, but grml-debootstrap is not available." ; eend 1
+ eoutdent
+ exit 1
+fi
+
+if checkbootparam "target" ; then
+ TARGET=''
+ TARGET="$(getbootparam 'target' 2>>$DEBUG)"
+ # notice: the following checks whether the given partition is available, if not the skip
+ # execution of grml-debootstrap as it might result in data loss...
+ if ! [ -r "$TARGET" ] ; then
+ eerror "Target $TARGET does not exist. Skipping execution of grml-debootstrap therefore." ; eend 1
+ fi
+else
+ eindent
+ eerror "No bootoption named target found, can not continue execution of grml-debootstrap." ; eend 1
+ eoutdent
+ exit 1
+fi
+
+if checkbootparam "grub" ; then
+ GRUB=''
+ GRUB="$(getbootparam 'grub' 2>>$DEBUG)"
+fi
+
+if checkbootparam "groot" ; then
+ GROOT=''
+ GROOT="$(getbootparam 'groot' 2>>$DEBUG)"
+fi
+
+if checkbootparam "release" ; then
+ RELEASE=''
+ RELEASE="$(getbootparam 'release' 2>>$DEBUG)"
+fi
+
+if checkbootparam "mirror" ; then
+ MIRROR=''
+ MIRROR="$(getbootparam 'mirror' 2>>$DEBUG)"
+fi
+
+if checkbootparam "boot_append" ; then
+ BOOT_APPEND=''
+ BOOT_APPEND="$(getbootparam 'boot_append' 2>>$DEBUG)"
+fi
+
+if checkbootparam "password" ; then
+ PASSWORD=''
+ PASSWORD="$(getbootparam 'password' 2>>$DEBUG)"
+fi
+
+# now check which options are available
+if [ -n "TARGET" ] ; then
+ TARGETCMD="--target $TARGET"
+else
+ TARGETCMD=''
+ eindent
+ eerror "Target not set via bootoption. Skipping execution of grml-debootstrap therefore."; eend 1
+ eoutdent
+ exit 1
+fi
+[ -n "$GRUB" ] && GRUBCMD="--grub $GRUB" || GRUBCMD=''
+[ -n "$GROOT" ] && GROOTCMD="--groot $GROOT" || GROOTCMD=''
+[ -n "$RELEASE" ] && RELEASECMD="--release $RELEASE" || RELEASECMD=''
+[ -n "$MIRROR" ] && MIRRORCMD="--mirror $MIRROR" || MIRRORCMD=''
+[ -n "$PASSWORD" ] && PASSWORDCMD="--password $PASSWORD" || PASSWORDCMD=''
+[ -n "$BOOT_APPEND" ] && BOOT_APPEND="--boot_append $BOOT_APPEND" || BOOT_APPEND=''
+
+# and finally write script and execute it
+cat>|/usr/bin/grml-debootstrap_noninteractive<<EOF
+#!/bin/sh
+AUTOINSTALL='yes' grml-debootstrap $TARGETCMD $GRUBCMD $GROOTCMD $RELEASECMD $MIRRORCMD $PASSWORDCMD $BOOT_APPEND
+EOF
+
+chmod 750 /usr/bin/grml-debootstrap_noninteractive
+
+screen /usr/bin/grml-debootstrap_noninteractive
+einfo "Invoking a shell, just exit to continue booting..."
+/bin/zsh
+
+fi # stringinstring "BOOT_IMAGE=debian2hd
+}
+# }}}
+
+# {{{ Support customization
+config_distri(){
+if checkbootparam "distri"; then
+ DISTRI="$(getbootparam 'distri' 2>>$DEBUG)"
+ if [ -r /cdrom/desktop/"$DISTRI".jpg ] ; then
+ [ -n "$BOOTDEBUG" ] && einfo "Debug: bootoption distri found and file /cdrom/desktop/$DISTRI present" && eend 0
+ # make sure the desktop.jpg file is not a symlink, so copying does not file then
+ [ -L /usr/share/grml/desktop.jpg ] && rm /usr/share/grml/desktop.jpg
+ cp /cdrom/desktop/"$DISTRI".jpg /usr/share/grml/desktop.jpg