Generate md5sum of windows binaries
[grml-live.git] / grml-live
index 2c7abcf..dbc43fc 100755 (executable)
--- a/grml-live
+++ b/grml-live
@@ -4,7 +4,7 @@
 # Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
 # Bug-Reports:   see http://grml.org/bugs/
 # License:       This file is licensed under the GPL v2 or any later version.
-# Latest change: Thu Oct 04 22:16:28 CEST 2007 [mika]
+# Latest change: Die Okt 30 00:09:42 CET 2007 [mika]
 ################################################################################
 
 # read configuration files, set some misc variables {{{
@@ -15,6 +15,10 @@ export LC_ALL=C
 # exit on any error:
 set -e
 
+GRML_LIVE_VERSION='0.0.7'
+CMDLINE="$0 $@"
+ISO_DATE="$(date +%Y-%m-%d)"
+
 # we need root permissions for the build-process:
 if [ "$(id -u 2>/dev/null)" != 0 ] ; then
    echo "Error: please run this script with uid 0 (root)." >&2
@@ -22,14 +26,21 @@ if [ "$(id -u 2>/dev/null)" != 0 ] ; then
 fi
 
 if [ -r /var/run/fai/FAI_INSTALLATION_IN_PROGRESS ] ; then
-   echo "/usr/sbin/fai already running or was aborted before."&>2
+   echo "/usr/sbin/fai already running or was aborted before.">&2
    echo "You may remove /var/run/fai/FAI_INSTALLATION_IN_PROGRESS and try again.">&2
    exit 1
 fi
 
+if [ -r /var/run/fai/fai_softupdate_is_running ] ; then
+   echo "/usr/sbin/fai softupdate already running or was aborted before.">&2
+   echo "You may remove /var/run/fai/fai_softupdate_is_running and try again.">&2
+   exit 1
+fi
+
 # make sure they are not set by default
 VERBOSE=''
 FORCE=''
+UPDATE=''
 
 if [ -r /etc/grml/lsb-functions ] ; then
    . /etc/grml/lsb-functions
@@ -49,9 +60,11 @@ PN=$(basename $0)
 
 # clean exit {{{
 bailout() {
-  [ -n "$MIRROR_DIRECTORY" ] && umount "${CHROOT_TARGET}/${MIRROR_DIRECTORY}"
+  [ -n "$MIRROR_DIRECTORY" ] && umount "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
+  rm -f /var/run/fai/fai_softupdate_is_running /var/run/fai/FAI_INSTALLATION_IN_PROGRESS
   [ -n "$1" ] && EXIT="$1" || EXIT="1"
   [ -n "$2" ] && eerror "$2">&2
+  log "------------------------------------------------------------------------------"
   exit "$EXIT"
 }
 trap bailout 1 2 3 15
@@ -63,15 +76,26 @@ trap bailout 1 2 3 15
 [ -n "$USERNAME" ] || USERNAME=grml
 [ -n "$CLASSES" ]  || CLASSES="GRML,I386"
 [ -n "$BOOT_METHOD" ] || BOOT_METHOD='isolinux'
-[ -n "$TARGET" ] || bailout 1 "${PN}: \$TARGET not specified. Please adjust $LIVE_CONF. Exiting."
+[ -n "$OUTPUT" ] || bailout 1 "${PN}: \$OUTPUT not specified. Please adjust $LIVE_CONF. Exiting."
 
 [ -n "$VERSION" ]  || VERSION="0.0.1"
 [ -n "$RELEASENAME" ] || RELEASENAME="grml-live rocks"
 [ -n "$GRML_NAME" ] || GRML_NAME='grml'
 
-[ -n "$LOGDIR" ] || LOGDIR="/var/log/fai/dirinstall/$HOSTNAME"
-[ -d "$LOGDIR" ] || mkdir -p $LOGDIR
-LOGFILE="$LOGDIR/grml-live.log"
+# logfile:
+if [ -z "$LOGFILE" ] ; then
+   LOGFILE=/var/log/grml-live.log
+fi
+touch $LOGFILE
+chown root:adm $LOGFILE
+chmod 640 $LOGFILE
+# clean/zero logfile:
+if [ -n "$ZERO_LOGFILE" ] ; then
+   echo -n > $LOGFILE
+fi
+
+NFSROOT_CONF=/etc/grml/fai/make-fai-nfsroot.conf
+
 # }}}
 
 # some important functions {{{
@@ -129,18 +153,19 @@ usage()
   echo "
 $PN - build process script for generating a (grml based) Linux Live-ISO
 
-Usage: $PN [-c <classe[s]>] [-g <grml_name>] [-i <iso_name> ] \\
-                 [-r <release_name>] [-s <suite>] [-t <target_directory>] \\
-                 [-v <version_number>] [-FVh]
+Usage: $PN [-a <architecture>] [-c <classe[s]>] [-g <grml_name>] \\
+                 [-i <iso_name> ] [-o <output_directory>] [-s <suite>] \\
+                 [-t <template_directory>] [-s <suite>] \\
+                 [-v <version_number>] [-FVhu]
 
 Usage examples:
 
     $PN
-    $PN -c GRMLBASE,GRML_X,I386 -t /grml/
-    $PN -c GRMLBASE,I386 -t /dev/shm/grml
+    $PN -c GRMLBASE,GRML_SMALL,I386 -o /grml/
+    $PN -c GRMLBASE,GRML_MEDIUM,I386 -o /dev/shm/grml
     $PN -c GRMLBASE,GRML_SMALL,I386 -g grml-small -v 1.0
-    $PN -c GRMLBASE,I386 -i grml_0.0-1.iso
-    $PN -c GRMLBASE,I386 -s sid -V
+    $PN -c GRMLBASE,GRML_FULL,I386 -i grml_0.0-1.iso -v 0.0-1
+    $PN -c GRMLBASE,GRML_FULL,I386 -s sid -V -r 'grml-live rocks'
 
 More details: man grml-live
               /usr/share/doc/grml-live/grml-live.html
@@ -153,53 +178,59 @@ http://grml.org/bugs/
 
 # command line parsing {{{
 
-while getopts "c:g:i:r:s:t:v:FhV" opt; do
+while getopts "a:c:g:i:o:r:s:t:v:FhuV" opt; do
   case "$opt" in
+    a) ARCH="$OPTARG" ;;
     c) CLASSES="$OPTARG" ;;
     g) GRML_NAME="$OPTARG" ;;
     i) ISO_NAME="$OPTARG" ;;
+    o) OUTPUT="$OPTARG"
+       CHROOT_OUTPUT="$OUTPUT/grml_chroot"
+       BUILD_OUTPUT="$OUTPUT/grml_cd"
+       ISO_OUTPUT="$OUTPUT/grml_isos"
+       ;;
     r) RELEASENAME="$OPTARG" ;;
     s) SUITE="$OPTARG" ;;
-    t) TARGET="$OPTARG"
-       CHROOT_TARGET="$TARGET/grml_chroot"
-       BUILD_TARGET="$TARGET/grml_cd"
-       ISO_TARGET="$TARGET/grml_isos"
-       ;;
+    t) TEMPLATE_DIRECTORY="$OPTARG";;
     v) VERSION="$OPTARG" ;;
     F) FORCE=1 ;;
     h) usage ; bailout 0 ;;
+    u) UPDATE=1 ;;
     V) VERBOSE="-v" ;;
     ?) echo "invalid option -$OPTARG" >&2; bailout 1 ;;
   esac
 done
 shift $(($OPTIND - 1))  # set ARGV to the first not parsed commandline parameter
-
 # }}}
 
 # some misc checks before executing FAI {{{
 [ -n "$CLASSES" ] || bailout 1 "Error: \$CLASSES unset, please set it in $LIVE_CONF or
-specify it on the command line using the -c|--classes option."
-[ -n "$TARGET" ] || bailout 1 "Error: \$TARGET unset, please set it in $LIVE_CONF or
-specify it on the command line using the -t|--target option."
+specify it on the command line using the -c option."
+[ -n "$OUTPUT" ] || bailout 1 "Error: \$OUTPUT unset, please set it in $LIVE_CONF or
+specify it on the command line using the -o option."
 # }}}
 
 # ask user whether the setup is ok {{{
 if [ -z "$FORCE" ] ; then
    echo
-   echo "${PN}: check your configuration (or use -F to force execution without prompting):"
+   echo "${PN} [${GRML_LIVE_VERSION}]: check your configuration (or use -F to force execution):"
    echo
    echo "  FAI classes:       $CLASSES"
-   echo "  main directory:    $TARGET"
-   [ -n "$CHROOT_TARGET" ] && echo "  chroot target:     $CHROOT_TARGET"
-   [ -n "$BUILD_TARGET" ]  && echo "  build target:      $BUILD_TARGET"
-   [ -n "$ISO_TARGET" ]    && echo "  ISO target:        $ISO_TARGET"
+   echo "  main directory:    $OUTPUT"
+   [ -n "$CHROOT_OUTPUT" ] && echo "  chroot target:     $CHROOT_OUTPUT"
+   [ -n "$BUILD_OUTPUT" ]  && echo "  build target:      $BUILD_OUTPUT"
+   [ -n "$ISO_OUTPUT" ]    && echo "  ISO target:        $ISO_OUTPUT"
    [ -n "$GRML_NAME" ]     && echo "  grml name:         $GRML_NAME"
    [ -n "$RELEASENAME" ]   && echo "  release name:      $RELEASENAME"
    [ -n "$VERSION" ]       && echo "  grml version:      $VERSION"
    [ -n "$SUITE" ]         && echo "  Debian suite:      $SUITE"
+   [ -n "$ARCH" ]          && echo "  Architecture:      $ARCH"
    [ -n "$BOOT_METHOD" ]   && echo "  Boot method:       $BOOT_METHOD"
+   [ -n "$TEMPLATE_DIRECTORY" ] && echo "  Template files:    $TEMPLATE_DIRECTORY"
    [ -n "$FAI_ARGS" ]      && echo "  additional arguments for FAI: $FAI_ARGS"
+   [ -n "$LOGFILE" ]       && echo "  Logging to file:   $LOGFILE"
    [ -n "$VERBOSE" ]       && echo "  Using VERBOSE mode."
+   [ -n "$UPDATE" ]        && echo "  Executing UPDATE instead of fresh installation."
    echo
    echo -n "Is this ok for you? [y/N] "
    read a
@@ -207,11 +238,14 @@ if [ -z "$FORCE" ] ; then
       bailout 1 "Exiting as requested."
    fi
    echo
-
-   start_seconds=$(cut -d . -f 1 /proc/uptime)
-   log "------------------------------------------------------------------------------"
-   log "Starting grml-live run [$(date)]"
 fi
+
+start_seconds=$(cut -d . -f 1 /proc/uptime)
+log "------------------------------------------------------------------------------"
+log "Starting grml-live [${GRML_LIVE_VERSION}] run on $(date)"
+log "Executed command line: $CMDLINE"
+
+einfo "Logging actions to logfile $LOGFILE"
 # }}}
 
 # on-the-fly configuration {{{
@@ -230,7 +264,7 @@ elif [ -n "$GRML_LIVE_SOURCES" ] ; then
 fi
 
 if [ -n "$FAI_DEBOOTSTRAP" ] ; then
-   sed -i "s#^FAI_DEBOOTSTRAP=.*#FAI_DEBOOTSTRAP=\"$FAI_DEBOOTSTRAP\"#" /etc/grml/fai/make-fai-nfsroot.conf
+   sed -i "s#^FAI_DEBOOTSTRAP=.*#FAI_DEBOOTSTRAP=\"$FAI_DEBOOTSTRAP\"#" $NFSROOT_CONF
 fi
 
 # does this suck? YES!
@@ -240,34 +274,73 @@ if [ -n "$SUITE" ] ; then
    DIST="\|\ etch\ \|\ stable\ \|\ lenny\ \|\ testing\ \|\ sid\ \|\ unstable\ "
    sed -i "s/\(deb .\+\)\([ \t]+\)$DIST\([ \t]+\)\(main \)/\1\2 $SUITE \3\4/" $LIVE_CONF
    sed -i "s/\(deb .\+\)\([ \t]+\)$DIST\([ \t]+\)\(main \)/\1\2 $SUITE \3\4/" /etc/grml/fai/apt/sources.list
+   # notice: activate grml-live pool only if we are building against unstable:
+   if grep -qe unstable -qe sid /etc/grml/fai/apt/sources.list ; then
+      grep -q 'grml-live.*main' /etc/grml/fai/apt/sources.list || \
+      grep grml-stable /etc/grml/fai/apt/sources.list | \
+           sed 's/grml-stable/grml-live/' >> /etc/grml/fai/apt/sources.list
+   else
+      grep -q 'grml-live.*main' /etc/grml/fai/apt/sources.list && \
+      sed -i 's/.*grml-live.*/# removed grml-live repository/' /etc/grml/fai/apt/sources.list
+   fi
+
+   sed -i "s|FAI_DEBOOTSTRAP=\"[a-z]* |FAI_DEBOOTSTRAP=\"$SUITE |" $LIVE_CONF
+   sed -i "s|FAI_DEBOOTSTRAP=\"[a-z]* |FAI_DEBOOTSTRAP=\"$SUITE |" $NFSROOT_CONF
+fi
 
-   DIST='\"etch\|=\"stable=\"lenny=\"testing=\"sid=\"unstable'
-   sed -i "s#FAI_DEBOOTSTRAP=$DIST#FAI_DEBOOTSTRAP=\"$SUITE#" $LIVE_CONF
-   sed -i "s#FAI_DEBOOTSTRAP=$DIST#FAI_DEBOOTSTRAP=\"$SUITE#" /etc/grml/fai/make-fai-nfsroot.conf
+# set $ARCH
+[ -n "$ARCH" ] || ARCH="$(dpkg --print-architecture)"
+if grep -q -- 'FAI_DEBOOTSTRAP_OPTS.*--arch' $NFSROOT_CONF ; then
+   sed -i "s/--arch [a-z0-9]* /--arch $ARCH /" $NFSROOT_CONF
+else
+   sed -i "s|FAI_DEBOOTSTRAP_OPTS=\"\(.*\)|FAI_DEBOOTSTRAP_OPTS=\"--arch $ARCH \1|" $NFSROOT_CONF
 fi
 # }}}
 
-# CHROOT_TARGET - execute FAI {{{
-[ -n "$CHROOT_TARGET" ] || CHROOT_TARGET="$TARGET/grml_chroot"
+# CHROOT_OUTPUT - execute FAI {{{
+[ -n "$CHROOT_OUTPUT" ] || CHROOT_OUTPUT="$OUTPUT/grml_chroot"
 
-if [ -d "$CHROOT_TARGET/bin" ] ; then
-   log "$CHROOT_TARGET exists already, skipping stage 'fai dirinstall'"
-   ewarn "$CHROOT_TARGET exists already, skipping stage 'fai dirinstall'" ; eend 0
+if [ -n "$UPDATE" ] ; then
+   FAI_ACTION=softupdate
 else
-   mkdir -p "$CHROOT_TARGET" || bailout 5 "Problem with creating $CHROOT_TARGET for FAI"
+   FAI_ACTION=dirinstall
+fi
+
+if [ -n "$UPDATE" ] ; then
+   if ! [ -r "$CHROOT_OUTPUT/etc/grml_version" ] ; then
+      log "Error: It does not look like you have a working chroot system. Updating not possible."
+      eerror "Error: It does not look like you have a working chroot system. Updating not possible."
+      eend 1
+      bailout 20
+   fi
+fi
+
+if [ -d "$CHROOT_OUTPUT/bin" -a -z "$UPDATE" ] ; then
+   log "$CHROOT_OUTPUT exists already, skipping stage 'fai dirinstall'"
+   ewarn "$CHROOT_OUTPUT exists already, skipping stage 'fai dirinstall'" ; eend 0
+else
+   mkdir -p "$CHROOT_OUTPUT" || bailout 5 "Problem with creating $CHROOT_OUTPUT for FAI"
    if [ -n "${MIRROR_DIRECTORY}" ] ; then
-      mkdir -p "${CHROOT_TARGET}/${MIRROR_DIRECTORY}"
-      mount --bind "${MIRROR_DIRECTORY}" "${CHROOT_TARGET}/${MIRROR_DIRECTORY}"
+      mkdir -p "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
+      mount --bind "${MIRROR_DIRECTORY}" "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
    fi
-   fai $VERBOSE -C "$GRML_FAI_CONFIG" -c"$CLASSES" -u "$HOSTNAME" dirinstall "$CHROOT_TARGET" $FAI_ARGS | tee -a $LOGFILE
-   umount $CHROOT_TARGET/proc 2>/dev/null || /bin/true
-   umount $CHROOT_TARGET/sys  2>/dev/null || /bin/true
-   [ -n "$MIRROR_DIRECTORY" ] && umount "${CHROOT_TARGET}/${MIRROR_DIRECTORY}"
+   fai $VERBOSE -C "$GRML_FAI_CONFIG" -c"$CLASSES" -u "$HOSTNAME" $FAI_ACTION "$CHROOT_OUTPUT" $FAI_ARGS | tee -a $LOGFILE
+   log "Setting /etc/grml_version to $GRML_NAME $VERSION Release Codename $RELEASENAME [$ISO_DATE]"
+   echo "$GRML_NAME $VERSION Release Codename $RELEASENAME [$ISO_DATE]" > $CHROOT_OUTPUT/etc/grml_version
+   chmod 644 $CHROOT_OUTPUT/etc/grml_version
+   umount $CHROOT_OUTPUT/proc 2>/dev/null || /bin/true
+   umount $CHROOT_OUTPUT/sys  2>/dev/null || /bin/true
+   [ -n "$MIRROR_DIRECTORY" ] && umount "${CHROOT_OUTPUT}/${MIRROR_DIRECTORY}"
 
    # notice: 'fai dirinstall' does not seem to exit appropriate, so:
    ERROR=''
    if [ -r "/var/log/fai/dirinstall/$HOSTNAME/software.log" ] ; then
+      # 1 errors during executing of commands
+      # Unable to write mmap - msync (28 No space left on device)
+      # 'No candidate version found for' [/var/log/fai/current/software.log]
       grep 'dpkg: error processing' /var/log/fai/dirinstall/$HOSTNAME/software.log >> $LOGFILE && ERROR=1
+      grep 'E: Method http has died unexpectedly!' /var/log/fai/dirinstall/$HOSTNAME/software.log >> $LOGFILE && ERROR=2
+      grep 'ERROR: chroot' /var/log/fai/dirinstall/$HOSTNAME/software.log >> $LOGFILE && ERROR=3
    fi
 
    if [ -r "/var/log/fai/dirinstall/$HOSTNAME/shell.log" ] ; then
@@ -275,10 +348,11 @@ else
    fi
 
    if [ -n "$ERROR" ] ; then
-      log "There was an error during execution of stage 'fai dirinstall' [$(date)]"
+      log "There was an error [${ERROR}] during execution of stage 'fai dirinstall' [$(date)]"
       eerror "There was an error during execution of stage 'fai dirinstall'"
       echo "   Check out /var/log/fai/dirinstall/$HOSTNAME/ for details. [exit ${ERROR}]"
-      eend 1 ; exit 1
+      eend 1
+      bailout 1
    else
       log "Finished execution of stage 'fai dirinstall' [$(date)]"
       einfo "Finished execution of stage 'fai dirinstall'"
@@ -286,65 +360,96 @@ else
 fi
 # }}}
 
-# BUILD_TARGET - execute arch specific stuff and squashfs {{{
-[ -n "$BUILD_TARGET" ] || BUILD_TARGET="$TARGET/grml_cd"
-mkdir -p "$BUILD_TARGET" || bailout 6 "Problem with creating $BUILD_TARGET for stage ARCH"
-
-[ -n "$ARCH" ] || ARCH="$(dpkg --print-architecture)"
+# BUILD_OUTPUT - execute arch specific stuff and squashfs {{{
+[ -n "$BUILD_OUTPUT" ] || BUILD_OUTPUT="$OUTPUT/grml_cd"
+mkdir -p "$BUILD_OUTPUT" || bailout 6 "Problem with creating $BUILD_OUTPUT for stage ARCH"
 
 # i386:
 if [ "$ARCH" = i386 ] || [ "$ARCH" = amd64 ] ; then
-   if [ -d "$BUILD_TARGET"/boot ] ; then
-      log "$BUILD_TARGET/boot exists already, skipping stage 'boot'"
-      ewarn "$BUILD_TARGET/boot exists already, skipping stage 'boot'" ; eend 0
+   if [ -d "$BUILD_OUTPUT"/boot -a -z "$UPDATE" ] ; then
+      log "$BUILD_OUTPUT/boot exists already, skipping stage 'boot'"
+      ewarn "$BUILD_OUTPUT/boot exists already, skipping stage 'boot'" ; eend 0
    else
       # booting stuff:
-      mkdir -p "$BUILD_TARGET"/boot/isolinux
-      cp /boot/memtest86+.bin                              "$BUILD_TARGET"/boot/isolinux/memtest
-      cp "$CHROOT_TARGET"/boot/initrd*                     "$BUILD_TARGET"/boot/isolinux/initrd.gz
-      cp "$CHROOT_TARGET"/boot/vmlinuz*                    "$BUILD_TARGET"/boot/isolinux/linux26
-      cp /usr/lib/syslinux/chain.c32                       "$BUILD_TARGET"/boot/isolinux/
-      cp /usr/lib/syslinux/isolinux.bin                    "$BUILD_TARGET"/boot/isolinux/
-      cp /usr/lib/syslinux/memdisk                         "$BUILD_TARGET"/boot/isolinux/
-      cp /usr/lib/syslinux/menu.c32                        "$BUILD_TARGET"/boot/isolinux/
-      cp /usr/share/grml-live/templates/boot/isolinux/*    "$BUILD_TARGET"/boot/isolinux/
-      cp /usr/share/grml-live/templates/boot/isolinux/*    "$BUILD_TARGET"/boot/isolinux/
-      cp -a /usr/share/grml-live/templates/boot/grub       "$BUILD_TARGET"/boot/
-
-      [ -d "$BUILD_TARGET"/GRML ] || mkdir "$BUILD_TARGET"/GRML
-      cp -a /usr/share/grml-live/templates/GRML/* "$BUILD_TARGET"/GRML/
+      [ -d "$BUILD_OUTPUT"/boot/isolinux ] || mkdir -p "$BUILD_OUTPUT"/boot/isolinux
+      cp /boot/memtest86+.bin "$BUILD_OUTPUT"/boot/isolinux/memtest
+
+      # if we don't have an initrd we a) can't boot and b) there was an error
+      # during build, so check for the file:
+      if [ -f "$CHROOT_OUTPUT"/boot/initrd* ] ; then
+         cp "$CHROOT_OUTPUT"/boot/initrd*  "$BUILD_OUTPUT"/boot/isolinux/initrd.gz
+      else
+         log "No initrd found inside $CHROOT_OUTPUT/boot/ - Exiting"
+         eerror "No initrd found inside $CHROOT_OUTPUT/boot/ - Exiting" ; eend 1
+         bailout 10
+      fi
+
+      KERNEL_IMAGE="$(ls $CHROOT_OUTPUT/boot/vmlinuz* | sort -r | head -1)"
+      cp "$KERNEL_IMAGE"                 "$BUILD_OUTPUT"/boot/isolinux/linux26
+      cp /usr/lib/syslinux/chain.c32     "$BUILD_OUTPUT"/boot/isolinux/
+      cp /usr/lib/syslinux/isolinux.bin  "$BUILD_OUTPUT"/boot/isolinux/
+      cp /usr/lib/syslinux/memdisk       "$BUILD_OUTPUT"/boot/isolinux/
+      cp /usr/lib/syslinux/menu.c32      "$BUILD_OUTPUT"/boot/isolinux/
+
+      [ -n "$TEMPLATE_DIRECTORY" ] || TEMPLATE_DIRECTORY='/usr/share/grml-live/templates'
+      if ! [ -d "${TEMPLATE_DIRECTORY}"/boot ] ; then
+         log "${TEMPLATE_DIRECTORY}/boot does not exist. Exiting."
+         eerror "${TEMPLATE_DIRECTORY}/boot does not exist. Exiting." ; eend 1
+         bailout 8
+      fi
+
+      cp ${TEMPLATE_DIRECTORY}/boot/isolinux/*  "$BUILD_OUTPUT"/boot/isolinux/
+      cp ${TEMPLATE_DIRECTORY}/boot/isolinux/*  "$BUILD_OUTPUT"/boot/isolinux/
+
+      if ! [ -d "${BUILD_OUTPUT}/boot/grub" ] ; then
+         cp -a ${TEMPLATE_DIRECTORY}/boot/grub  "$BUILD_OUTPUT"/boot/
+      fi
+
+      if ! [ -d "${TEMPLATE_DIRECTORY}"/GRML ] ; then
+         log "${TEMPLATE_DIRECTORY}/GRML does not exist. Exiting."
+         eerror "${TEMPLATE_DIRECTORY}/GRML does not exist. Exiting." ; eend 1
+         bailout 9
+      fi
+
+      [ -d "$BUILD_OUTPUT"/GRML ] || mkdir "$BUILD_OUTPUT"/GRML
+      cp -a ${TEMPLATE_DIRECTORY}/GRML/* "$BUILD_OUTPUT"/GRML/
 
       # adjust boot splash information:
-      ISO_DATE="$(date +%Y-%m-%d)"
       RELEASE_INFO="$GRML_NAME $VERSION - Release Codename $RELEASENAME"
       RELEASE_INFO="$(cut_string 68 "$RELEASE_INFO")"
       RELEASE_INFO="$(extend_string_end 68 "$RELEASE_INFO")"
 
-      sed -i "s/%RELEASE_INFO%/$GRML_NAME $VERSION - $RELEASENAME/" "$BUILD_TARGET"/GRML/grml-version
-      sed -i "s/%DATE%/$ISO_DATE/"             "$BUILD_TARGET"/GRML/grml-version
+      sed -i "s/%RELEASE_INFO%/$GRML_NAME $VERSION - $RELEASENAME/" "$BUILD_OUTPUT"/GRML/grml-version
+      sed -i "s/%DATE%/$ISO_DATE/"             "$BUILD_OUTPUT"/GRML/grml-version
 
-      sed -i "s/%RELEASE_INFO%/$RELEASE_INFO/" "$BUILD_TARGET"/boot/isolinux/boot.msg
-      sed -i "s/%DATE%/$ISO_DATE/"             "$BUILD_TARGET"/boot/isolinux/boot.msg
+      sed -i "s/%RELEASE_INFO%/$RELEASE_INFO/" "$BUILD_OUTPUT"/boot/isolinux/boot.msg
+      sed -i "s/%DATE%/$ISO_DATE/"             "$BUILD_OUTPUT"/boot/isolinux/boot.msg
 
-      sed -i "s/%RELEASE_INFO%/$RELEASE_INFO/" "$BUILD_TARGET"/boot/isolinux/boot-beep.msg
-      sed -i "s/%DATE%/$ISO_DATE/"             "$BUILD_TARGET"/boot/isolinux/boot-beep.msg
+      sed -i "s/%RELEASE_INFO%/$RELEASE_INFO/" "$BUILD_OUTPUT"/boot/isolinux/boot-beep.msg
+      sed -i "s/%DATE%/$ISO_DATE/"             "$BUILD_OUTPUT"/boot/isolinux/boot-beep.msg
 
-      sed -i "s/%VERSION%/$VERSION/"           "$BUILD_TARGET"/boot/grub/menu.lst
-      sed -i "s/%GRML_NAME%/$GRML_NAME/"       "$BUILD_TARGET"/boot/grub/menu.lst
+      sed -i "s/%VERSION%/$VERSION/"           "$BUILD_OUTPUT"/boot/grub/menu.lst
+      sed -i "s/%GRML_NAME%/$GRML_NAME/"       "$BUILD_OUTPUT"/boot/grub/menu.lst
 
       # autostart for Windows:
-      cp /usr/share/grml-live/templates/windows/autostart/* "$BUILD_TARGET"/
+      if [ -d "${TEMPLATE_DIRECTORY}/windows/autostart/" ] ; then
+         cp ${TEMPLATE_DIRECTORY}/windows/autostart/* "$BUILD_OUTPUT"/
+      fi
+
       # windows-binaries:
       if [ -n "$WINDOWS_BINARIES" ] ; then
-         if [ -f "$BUILD_TARGET"/windows/putty.exe ] ; then
-            log "$BUILD_TARGET/windows exists already, skipping stage 'WINDOWS_BINARIES'"
-            ewarn "$BUILD_TARGET/windows exists already, skipping stage 'WINDOWS_BINARIES'" ; eend 0
+         if [ -f "$BUILD_OUTPUT"/windows/putty.exe ] ; then
+            log "$BUILD_OUTPUT/windows exists already, skipping stage 'WINDOWS_BINARIES'"
+            ewarn "$BUILD_OUTPUT/windows exists already, skipping stage 'WINDOWS_BINARIES'" ; eend 0
          else
-            mkdir "$BUILD_TARGET"/windows
-            ( cd "$BUILD_TARGET"/windows
-              for file in pageant plink pscp psftp putty puttygen ; do
-                 wget -O ${file}.exe ${WINDOWS_BINARIES}/${file}.exe
-              done )
+            if ! [ -d "$BUILD_OUTPUT"/windows ] ; then
+               mkdir "$BUILD_OUTPUT"/windows
+               ( cd "$BUILD_OUTPUT"/windows
+                 for file in pageant plink pscp psftp putty puttygen ; do
+                    wget -O ${file}.exe ${WINDOWS_BINARIES}/${file}.exe
+                    md5sum ${WINDOWS_BINARIES}/${file}.exe > ${WINDOWS_BINARIES}/${file}.exe.md5
+                 done )
+            fi
          fi
       log "Finished execution of stage 'WINDOWS_BINARIES' [$(date)]"
       einfo "Finished execution of stage 'WINDOWS_BINARIES'" ; eend 0
@@ -359,23 +464,23 @@ else
    eerror 'Error: Unsupported ARCH, sorry. Want to support it? Contribute!' ; eend 1
 fi
 
-if [ -f "$BUILD_TARGET"/live/grml.squashfs ] ; then
-   log "$BUILD_TARGET/live exists already, skipping stage 'squashfs'"
-   ewarn "$BUILD_TARGET/live exists already, skipping stage 'squashfs'" ; eend 0
+if [ -f "$BUILD_OUTPUT"/live/grml.squashfs -a -z "$UPDATE" ] ; then
+   log "$BUILD_OUTPUT/live exists already, skipping stage 'squashfs'"
+   ewarn "$BUILD_OUTPUT/live exists already, skipping stage 'squashfs'" ; eend 0
 else
-   mkdir "$BUILD_TARGET"/live
-   mksquashfs $CHROOT_TARGET/* $BUILD_TARGET/live/grml.squashfs -noappend
+   [ -d "$BUILD_OUTPUT"/live ] || mkdir "$BUILD_OUTPUT"/live
+   mksquashfs $CHROOT_OUTPUT/* $BUILD_OUTPUT/live/grml.squashfs -noappend
    log "Finished execution of stage 'squashfs' [$(date)]"
    einfo "Finished execution of stage 'squashfs'" ; eend 0
 fi
 
 # create md5sum file:
-( cd $BUILD_TARGET/GRML &&
+( cd $BUILD_OUTPUT/GRML &&
 find .. -type f -not -name md5sums -not -name isolinux.bin -exec md5sum {} \; > md5sums )
 # }}}
 
-# ISO_TARGET - mkisofs {{{
-[ -n "$ISO_TARGET" ] || ISO_TARGET="$TARGET/grml_isos"
+# ISO_OUTPUT - mkisofs {{{
+[ -n "$ISO_OUTPUT" ] || ISO_OUTPUT="$OUTPUT/grml_isos"
 [ -n "$ISO_NAME" ] || ISO_NAME="${GRML_NAME}_${VERSION}.iso"
 
 if [ "$BOOT_METHOD" = "isolinux" ] ; then
@@ -384,17 +489,17 @@ elif [ "$BOOT_METHOD" = "grub" ] ; then
    BOOT_FILE="boot/grub/stage2_eltorito"
 fi
 
-if [ -f "${ISO_TARGET}/${ISO_NAME}" ] ; then
-   log "$ISO_TARGET exists already, skipping stage 'iso build'"
-   ewarn "$ISO_TARGET exists already, skipping stage 'iso build'" ; eend 0
+if [ -f "${ISO_OUTPUT}/${ISO_NAME}" -a -z "$UPDATE" ] ; then
+   log "$ISO_OUTPUT exists already, skipping stage 'iso build'"
+   ewarn "$ISO_OUTPUT exists already, skipping stage 'iso build'" ; eend 0
 else
-   mkdir -p "$ISO_TARGET" || bailout 6 "Problem with creating $ISO_TARGET for stage 'iso build'"
+   mkdir -p "$ISO_OUTPUT" || bailout 6 "Problem with creating $ISO_OUTPUT for stage 'iso build'"
    CURRENT_DIR=$(pwd)
-   cd "$BUILD_TARGET" &&
+   cd "$BUILD_OUTPUT" &&
    mkisofs -V "grml $VERSION" -publisher 'grml-live | grml.org' \
            -l -r -J -no-emul-boot -boot-load-size 4 -boot-info-table    \
            -b $BOOT_FILE \
-           -o "${ISO_TARGET}/${ISO_NAME}" . ; RC=$?
+           -o "${ISO_OUTPUT}/${ISO_NAME}" . ; RC=$?
    cd $CURRENT_DIR
    if [ "$RC" = 0 ] ; then
       log "Finished execution of stage 'iso build' [$(date)]"
@@ -408,10 +513,9 @@ fi
 # }}}
 
 # finalize {{{
-[ -n "$start_seconds" ] && SECONDS="$[$(cut -d . -f 1 /proc/uptime)-$start_seconds]"
+[ -n "$start_seconds" ] && SECONDS="$[$(cut -d . -f 1 /proc/uptime)-$start_seconds]" || SECONDS="unknown"
 einfo "Sucessfully finished execution of $PN [running ${SECONDS} seconds]" ; eend 0
 log "Sucessfully finished execution of $PN [running ${SECONDS} seconds]"
-log "------------------------------------------------------------------------------"
 bailout 0
 # }}}