+if [ -f "$BUILD_OUTPUT"/live/${GRML_NAME}.squashfs -a -z "$UPDATE" -a -z "$BUILD_ONLY" -a -z "$BUILD_DIRTY" ] ; then
+ log "Skipping stage 'squashfs' as $BUILD_OUTPUT/live exists already."
+ ewarn "Skipping stage 'squashfs' as $BUILD_OUTPUT/live exists already." ; eend 0
+elif [ -n "$SKIP_MKSQUASHFS" ] ; then
+ log "Skipping stage 'squashfs' as requested via option -q"
+ ewarn "Skipping stage 'squashfs' as requested via option -q" ; eend 0
+else
+ [ -d "$BUILD_OUTPUT"/live ] || mkdir "$BUILD_OUTPUT"/live
+ # make sure we don't leave (even an empty) base.tgz:
+ [ -f "$CHROOT_OUTPUT/base.tgz" ] && rm -f "$CHROOT_OUTPUT/base.tgz"
+
+ # $SQUASHFS_BINARY is specified in the configuration:
+ if [ -n "$SQUASHFS_BINARY" ] ; then
+ if ! which "$SQUASHFS_BINARY" >/dev/null 2>&1 ; then
+ log "Error: specified mksquashfs binary ($SQUASHFS_BINARY) not found. Exiting."
+ eerror "Error: specified mksquashfs binary ($SQUASHFS_BINARY) not found. Exiting." ; eend 1
+ bailout
+ fi
+ else # no $SQUASHFS_BINARY configured, let's find the according binary:
+ # Note: this is ALL for backward compatibility and yes: it's serious PITA.
+ # We'll definitely drop this once people build >2.6.28-grml* only and
+ # the squashfs-tools vs. squashfs-lzma-tools + zlib vs. lzma situation
+ # is settling...
+
+ # assume the safe default if mksquashfs-lzma isn't present:
+ if ! which mksquashfs-lzma >/dev/null 2>&1 ; then
+ SQUASHFS_BINARY='mksquashfs'
+ else # mksquashfs-lzma is available since squashfs-lzma-tools 4.0:
+ # if the user wants to use zlib then don't use mksquashfs-lzma:
+ if echo "$SQUASHFS_OPTIONS" | grep -q -- "-nolzma" || [ -n "$SQUASHFS_ZLIB" ] ; then
+ SQUASHFS_BINARY='mksquashfs'
+ else # neither -nolzma nor -z and mksquashfs-lzma is available:
+ SQUASHFS_BINARY='mksquashfs-lzma'
+
+ # backwards compatibility: someone has squashfs-lzma-tools >=4 installed but
+ # 1) doesn't use -nolzma in $SQUASHFS_OPTIONS or the grml-live's -z option *and*
+ # 2) builds against kernel version <=2.6.28-grml[64]
+ if ls $CHROOT_OUTPUT/boot/vmlinuz* >/dev/null 2>&1 ; then
+ KERNEL_IMAGE="$(ls $CHROOT_OUTPUT/boot/vmlinuz* 2>/dev/null | sort -r | head -1)"
+
+ case $KERNEL_IMAGE in
+ *vmlinuz-2.6.28-grml*|*vmlinuz-2.6.26-grml*|*vmlinuz-2.6.23-grml*)
+ log "You seem to be building a system with squashfs file format 3 using squashfs-lzma-tools >=4."
+ ewarn "You seem to be building a system with squashfs file format 3 using squashfs-lzma-tools >=4."
+ ewarn "|-> Consider installing squashfs-lzma-tools 3.3-1 for support of file format version 3."
+ ewarn "|-> Trying the mksquashfs binary instead of mksquashfs-lzma (though this might fail)."
+ ewarn "\`-> Visit http://grml.org/grml-live/#current_state for further details if building fails."
+ eend 0
+ SQUASHFS_BINARY='mksquashfs'
+ ;;
+ esac
+ fi
+
+ # if we still want to use mksquashfs-lzma then let's choose
+ # blocksize 256k as this gives best result with regards to time + comopression
+ [[ "$SQUASHFS_BINARY" == "mksquashfs-lzma" ]] && SQUASHFS_OPTIONS="-b 256k -lzma"
+ fi
+
+ fi
+ fi
+
+ # make sure mksquashfs can handle the according option:
+ if [ -n "$SQUASHFS_ZLIB" ] ; then
+ $SQUASHFS_BINARY --help 2>&1 | grep -q -- "$SQUASHFS_ZLIB" || SQUASHFS_ZLIB=''
+ fi
+
+ # make sure to drop the -nolzma option if it's not available:
+ if echo "$SQUASHFS_OPTIONS" | grep -q -- "-nolzma" ; then
+ if ! $SQUASHFS_BINARY --help 2>&1 | grep -q -- '-nolzma' ; then
+ log "The $SQUASHFS_BINARY binary does NOT support the nolzma option, dropping it and using default mode."
+ ewarn "The $SQUASHFS_BINARY binary does NOT support the nolzma option, dropping it and using default mode."
+ SQUASHFS_OPTIONS="$(echo $SQUASHFS_OPTIONS | sed 's/-nolzma//g')"
+ eend 0
+ fi
+ fi
+
+ # make sure to drop the -lzma option if it's not available:
+ if echo "$SQUASHFS_OPTIONS" | grep -q -- "-lzma" ; then
+ if ! $SQUASHFS_BINARY --help 2>&1 | grep -q -- '-lzma' ; then
+ log "The $SQUASHFS_BINARY binary does NOT support the lzma option, dropping it and using default mode."
+ ewarn "The $SQUASHFS_BINARY binary does NOT support the lzma option, dropping it and using default mode."
+ SQUASHFS_OPTIONS="$(echo $SQUASHFS_OPTIONS | sed 's/-lzma//g')"
+ eend 0
+ fi
+ fi
+
+ # support exclusion of files via exclude-file:
+ if [ -n "$SQUASHFS_EXCLUDES_FILE" -a "$SQUASHFS_EXCLUDES_FILE" ] ; then
+ SQUASHFS_OPTIONS="$SQUASHFS_OPTIONS -ef $SQUASHFS_EXCLUDES_FILE"
+ fi
+
+ # get rid of unnecessary files when building grml-small for final release:
+ if echo "$CLASSES" | grep -q GRML_SMALL ; then
+ SQUASHFS_OPTIONS="$SQUASHFS_OPTIONS -e initrd.img* vmlinuz*"
+ fi
+
+ # check whether we have the according binary available:
+ if ! which $SQUASHFS_BINARY >/dev/null 2>&1 ; then
+ log "Error: mksquashfs binary (${SQUASHFS_BINARY}) could not be found. Exiting."
+ eerror "Error: mksquashfs binary (${SQUASHFS_BINARY}) could not be found. Exiting."
+ eerror "|-> Make sure to install either squashfs-tools and/or squashfs-lzma-tools."
+ eerror "\`-> Visit http://grml.org/grml-live/#current_state for further details."
+ eend 1
+ bailout
+ fi
+
+ SQUASHFS_STDERR="$(mktemp -t grml-live.XXXXXX)"
+
+ [ -n "$SQUASHFS_OPTIONS" ] && SQUASHFS_INFO_MSG="$SQUASHFS_OPTIONS"
+ [ -n "$SQUASHFS_ZLIB" ] && SQUASHFS_INFO_MSG="$SQUASHFS_INFO_MSG $SQUASHFS_ZLIB"
+ [ -n "$SQUASHFS_INFO_MSG" ] && SQUASHFS_INFO_MSG="using options: $SQUASHFS_INFO_MSG"
+ einfo "Squashfs build information: running binary $SQUASHFS_BINARY $SQUASHFS_INFO_MSG"
+
+ log "$SQUASHFS_BINARY $CHROOT_OUTPUT/* $BUILD_OUTPUT/live/${GRML_NAME}.squashfs -noappend $SQUASHFS_OPTIONS $SQUASHFS_ZLIB"
+
+ if $SQUASHFS_BINARY $CHROOT_OUTPUT/* $BUILD_OUTPUT/live/"${GRML_NAME}".squashfs \
+ -noappend $SQUASHFS_OPTIONS $SQUASHFS_ZLIB 2>"${SQUASHFS_STDERR}" ; then
+ echo "${GRML_NAME}.squashfs" > $BUILD_OUTPUT/live/filesystem.module
+ log "Finished execution of stage 'squashfs' [$(date)]"
+ einfo "Finished execution of stage 'squashfs'" ; eend 0
+ else
+ log "Error: there was a critical error executing stage 'squashfs' [$(date)]:"
+ log "$(cat $SQUASHFS_STDERR)"
+ eerror "Error: there was a critical error executing stage 'squashfs':" ; eend 1
+ cat "${SQUASHFS_STDERR}"
+ bailout
+ fi
+
+ FORCE_ISO_REBUILD=true
+fi
+
+# create md5sum file:
+( cd $BUILD_OUTPUT/GRML &&
+find .. -type f -not -name md5sums -not -name isolinux.bin -exec md5sum {} \; > md5sums )
+# }}}
+
+# ISO_OUTPUT - mkisofs {{{
+[ -n "$ISO_OUTPUT" ] || ISO_OUTPUT="$OUTPUT/grml_isos"
+[ -n "$ISO_NAME" ] || ISO_NAME="${GRML_NAME}_${VERSION}.iso"
+
+if [ "$BOOT_METHOD" = "isolinux" ] ; then
+ BOOT_FILE="boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat"
+elif [ "$BOOT_METHOD" = "grub" ] ; then
+ BOOT_FILE="boot/grub/stage2"
+fi
+
+if [ -f "${ISO_OUTPUT}/${ISO_NAME}" -a -z "$UPDATE" -a -z "$BUILD_ONLY" -a -z "$BUILD_DIRTY" -a "$FORCE_ISO_REBUILD" = "false" ] ; then
+ log "Skipping stage 'iso build' as $ISO_OUTPUT/${ISO_NAME} exists already."
+ ewarn "Skipping stage 'iso build' as $ISO_OUTPUT/${ISO_NAME} exists already." ; eend 0
+elif [ -n "$SKIP_MKISOFS" ] ; then
+ log "Skipping stage 'iso build' as requested via option -n"
+ ewarn "Skipping stage 'iso build' as requested via option -n" ; eend 0
+else
+ mkdir -p "$ISO_OUTPUT" || bailout 6 "Problem with creating $ISO_OUTPUT for stage 'iso build'"
+
+ if $FORCE_ISO_REBUILD && ! [ -f "${ISO_OUTPUT}/${ISO_NAME}" ] ; then
+ log "Forcing rebuild of ISO because files on ISO have been modified."
+ einfo "Forcing rebuild of ISO because files on ISO have been modified."
+ fi
+
+ # support mkisofs as well as genisoimage
+ if which mkisofs >/dev/null 2>&1; then
+ MKISOFS='mkisofs'
+ elif which genisoimage >/dev/null 2>&1; then
+ MKISOFS='genisoimage'
+ else
+ log "Error: neither mkisofs nor genisoimage available - can not create ISO."
+ eerror "Error: neither mkisofs nor genisoimage available - can not create ISO." ; eend 1
+ bailout
+ fi
+
+ CURRENT_DIR=$(pwd)
+ if cd "$BUILD_OUTPUT" ; then
+ log "$MKISOFS -V '${GRML_NAME} ${VERSION}' -publisher 'grml-live | grml.org' -l -r -J -no-emul-boot -boot-load-size 4 -boot-info-table -b $BOOT_FILE -o ${ISO_OUTPUT}/${ISO_NAME} ."
+ "$MKISOFS" -V "${GRML_NAME} ${VERSION}" -publisher 'grml-live | grml.org' \
+ -l -r -J -no-emul-boot -boot-load-size 4 -boot-info-table \
+ -b $BOOT_FILE -no-pad \
+ -o "${ISO_OUTPUT}/${ISO_NAME}" . ; RC=$?
+
+ # pad the output ISO to multiples of 256 KiB for partition table support
+ siz=$($getfilesize "${ISO_OUTPUT}/${ISO_NAME}")
+ cyls=$((siz / 512 / 32 / 16 + 1)) # C=$cyls H=16 S=32
+ siz=$((cyls * 16 * 32 * 512)) # size after padding
+ dd if=/dev/zero bs=1 count=1 seek=$((siz - 1)) \
+ of="${ISO_OUTPUT}/${ISO_NAME}" 2>/dev/null
+
+ # support disabling hybrid ISO image
+ if [ "$HYBRID_METHOD" = "disable" ] ; then\
+ log "Skipping creation of hybrid ISO file as requested via HYBRID_METHOD=disable"
+ einfo "Skipping creation of hybrid ISO file as requested via HYBRID_METHOD=disable"
+ eend 0
+ # use isohybrid only on request
+ elif [ "$HYBRID_METHOD" = "isohybrid" ] ; then
+ if ! which isohybrid >/dev/null 2>&1 ; then
+ bailout 12 "isohybrid binary not found - please install syslinux/syslinux-common"
+ else
+ log "Creating hybrid ISO file with isohybrid method"
+ einfo "Creating hybrid ISO file with isohybrid method"
+ # Notes for consideration:
+ # "-entry 4 -type 1c"
+ # * using 4 as the partition number is supposed to help with BIOSes
+ # that only support USB-Zip boot
+ # * using 1c (i.e. hidden FAT32 LBA), instead of the default 0x17
+ # (hidden NTFS, IIRC), as the partition type is sometimes needed
+ # to get the BIOS even look at the partition created by isohybrid
+ isohybrid "${ISO_OUTPUT}/${ISO_NAME}"
+ eend $?
+ fi
+ # by default use our manifold boot method:
+ else
+ if ! [ -r boot/grub/core.img ] ; then
+ ewarn "boot/grub/core.img not found, not creating manifold boot ISO file"
+ else
+ log "Creating hybrid ISO file with manifold method"
+ einfo "Creating hybrid ISO file with manifold method"
+ (
+ # 512 bytes: MBR, partition table, load GRUB 2
+ echo 4 63 | mksh /usr/share/grml-live/scripts/bootgrub.mksh -A -M 4:0x96 -g $cyls:16:32
+ # pad to a whole of 2048 bytes (one CD sector)
+ dd if=/dev/zero bs=512 count=3 2>/dev/null
+ # append GRUB 2 (must be <=30720 bytes)
+ cat boot/grub/core.img
+ ) | dd of="${ISO_OUTPUT}/${ISO_NAME}" conv=notrunc 2>/dev/null
+ eend $?
+ fi
+ fi
+
+ # generate md5sum and sha1sum of ISO if we are using class 'RELEASE':
+ case $CLASSES in *RELEASE*)
+ [ "$RC" = 0 ] && \
+ (
+ if cd $ISO_OUTPUT ; then
+ md5sum ${ISO_NAME} > ${ISO_NAME}.md5 && \
+ touch -r ${ISO_NAME} ${ISO_NAME}.md5
+ sha1sum ${ISO_NAME} > ${ISO_NAME}.sha1 && \
+ touch -r ${ISO_NAME} ${ISO_NAME}.sha1
+ fi
+ )
+ ;;
+ esac
+
+ cd $CURRENT_DIR
+ fi
+
+ if [ "$RC" = 0 ] ; then
+ log "Finished execution of stage 'iso build' [$(date)]"
+ einfo "Finished execution of stage 'iso build'" ; eend 0
+ else
+ log "Error: there was a critical error ($RC) executing stage 'iso build' [$(date)]"
+ eerror "Error: there was a critical error executing stage 'iso build'" ; eend 1
+ bailout $RC
+ fi
+fi
+# }}}
+
+# log build information to database if grml-live-db is installed and enabled {{{
+dpkg_to_db() {
+if [ -d /usr/share/grml-live-db ] ; then
+
+ # safe defaults
+ DPKG_LIST="/var/log/fai/$HOSTNAME/last/dpkg.list" # the dpkg --list output of the chroot:
+ [ -n "$DPKG_DATABASE" ] || DPKG_DATABASE=/var/log/grml-live.db
+ [ -n "$DPKG_DBSCRIPT" ] || DPKG_DBSCRIPT=/usr/share/grml-live-db/scripts/dpkg-to-db
+ [ -n "$DPKG_DBOPTIONS" ] || DPKG_DBOPTIONS="--database $DPKG_DATABASE --logfile $LOGFILE --flavour $GRML_NAME --dpkg $DPKG_LIST"
+
+ if ! [ -x "$DPKG_DBSCRIPT" ] ; then
+ log "Error: $DPKG_DBSCRIPT is not executable, can not log dpkg information."
+ eerror "Error: $DPKG_DBSCRIPT is not executable, can not log dpkg information." ; eend 1
+ bailout 14
+ fi
+
+ # disable by default for now, not sure whether really everyone is using a local db file
+ #if ! touch "$DPKG_DATABASE" ; then
+ # eerror "Error: can not write to ${DPKG_DATABASE}, can not log dpkg information." ; eend 1
+ # bailout 14
+ #fi
+
+ if ! [ -r "$DPKG_LIST" ] ; then
+ log "Warning: can not read $DPKG_LIST - can not provide information to $DPKG_DBSCRIPT (dirty build?)"
+ ewarn "Warning: can not read $DPKG_LIST - can not provide information to $DPKG_DBSCRIPT (dirty build?)" ; eend 0
+ else
+ einfo "Logging $DPKG_LIST to database $DPKG_DATABASE"
+ log "Logging $DPKG_LIST to database $DPKG_DATABASE"
+ log "Executing $DPKG_DBSCRIPT $DPKG_DBOPTIONS"
+ eindent
+
+ if DB_INFO=$("$DPKG_DBSCRIPT" $DPKG_DBOPTIONS 2>&1) ; then
+ einfo "$DB_INFO"
+ eend 0
+ else
+ eerror "$DB_INFO"
+ eend 1
+ fi
+
+ eoutdent
+ fi
+
+fi
+}
+# }}}
+
+# finalize {{{
+[ -n "$start_seconds" ] && SECONDS="$[$(cut -d . -f 1 /proc/uptime)-$start_seconds]" || SECONDS="unknown"
+log "Successfully finished execution of $PN [$(date) - running ${SECONDS} seconds]"
+
+dpkg_to_db # make sure we catch the last log line as well, therefore execute between log + einfo
+
+einfo "Successfully finished execution of $PN [$(date) - running ${SECONDS} seconds]" ; eend 0