X-Git-Url: http://git.grml.org/?p=grml2usb.git;a=blobdiff_plain;f=grml2iso;h=661ef86fa5fd45c99e8200ea77cedfdc41e1aca8;hp=f6d96b95babf8f3f1321500ab41c650445495e81;hb=1d62665b55631ae470ed65fa61d517e3392da108;hpb=0faee9c794d4f9e00fbdbfda05448f26a08f34ab diff --git a/grml2iso b/grml2iso index f6d96b9..661ef86 100755 --- a/grml2iso +++ b/grml2iso @@ -1,111 +1,150 @@ #!/bin/bash -################################################################################ -# Filename: grml2iso -# Purpose: create a multiboot ISO using grml2usb -# Author: Michael Prokop , -# Thorsten Glaser +# Filename: grml2iso +# Purpose: create a multiboot grml ISO using grml2usb +# Authors: Michael Prokop , +# Thorsten Glaser +# Bug-Reports: see http://grml.org/bugs/ +# License: This file is licensed under the GPL v2 or any later version. ################################################################################ # TODO: -# * generalise the script so we can provide it as part of the grml2usb suite -# * improve error handling -# * support isolinux as bootloader on the ISO +# * support setting grml2usb options ################################################################################ -# define function getfilesize before "set -e" -if stat --help >/dev/null 2>&1; then - getfilesize='stat -c %s' # GNU stat -else - getfilesize='stat -f %z' # BSD stat -fi +# define function getfilesize before "set -e" {{{ + if stat --help >/dev/null 2>&1; then + getfilesize='stat -c %s' # GNU stat + else + getfilesize='stat -f %z' # BSD stat + fi +# }}} -usage() { - echo >&2 "Usage: $0 target.iso source1.iso [source2.iso ...]" - exit 1 -} +# adjust variables if necessary through environment {{{ +# path to the grml2usb script you'd like to use + [ -n "$GRML2USB" ] || GRML2USB='grml2usb' +# work directory for creating the filesystem + [ -n "$WRKDIR" ] || WRKDIR='/tmp/grml2iso.tmp' +# }}} + +# helper stuff {{{ + set -e + + usage() { + echo >&2 "Usage: $0 [OPTIONS] -o target.iso source1.iso [source2.iso ...]" + echo >&2 " +Options: + -b Boot Params Additional boot parameters passed to grml2usb + -c Directory Copy files from directory to generated iso + -f Force overwrite of existing target.iso + -r BootParam Remove specified boot params. + Could be specfied multiple times. +" + [ -n "$1" ] && exit $1 || exit 1 + } +# }}} + +# command line handling {{{ + [[ $# -gt 2 ]] || usage 1 + + ISOFILE='' + DIR='' + ADD_OPTS='' + FORCE='' + typeset -a REMOVE_OPTS + while getopts fb:c:o:r: name; do + case $name in + o) ISOFILE="$OPTARG";; + b) ADD_OPTS="--bootoption="$OPTARG"";; + c) DIR="$OPTARG";; + f) FORCE='true';; + r) REMOVE_OPTS+=(--remove-bootoption="$OPTARG");; + ?) usage 2;; + esac + done -set -e -set -u +# make sure -o is specified + [ -n "$ISOFILE" ] || usage 1 -# ********* PLEASE ADJUST! ******************************************* -# specify path to the grml2usb script you'd like to use -GRML2USB='grml2usb' -# work directory for creating the filesystem -WRKDIR='/dev/shm/grml2iso.tmp' -# ********* PLEASE ADJUST! ******************************************* +# we don't to override any files by accident + if [ -e "$ISOFILE" -a ! -n "$FORCE" ]; then + echo "Error: target file $ISOFILE exists already." >&2 + exit 1 + fi -test $# -lt 2 && usage -if test -e "$1"; then - echo >&2 Error: target file "'$1'" already exists. - usage -fi -ISOFILE=$1; shift + if [ ! -z "$DIR" -a ! -d "$DIR" ] ; then + echo "Error: specified parameter for -c is not a directory" >&2 + exit 1 + fi -# variables - ORIG_DIR="$(pwd)" - # note: grub-pc_1.96+20090603-1_i386.deb seems to be b0rken - GRUB_DEB="grub-pc_1.96+20080724-16_i386.deb" + shift $(($OPTIND - 1)) +# }}} -# normalise path (in mksh I’d just use the realpath builtin…) -case $ISOFILE in -/*) ;; -*) ISOFILE=$ORIG_DIR/$ISOFILE ;; -esac +# we need root permissions for executing grml2usb {{{ + if [[ $(id -u) != 0 ]]; then + echo >&2 "Error: please run $0 as root." + exit 1 + fi +# }}} -# create necessary stuff under WRKDIR +# variables {{{ + ORIG_DIR="$(pwd)" + # note: grub-pc_1.96+20090603-1 seems to be b0rken + GRUB_VERSION="grub-pc_1.96+20080724-16" + +# normalise path + case $ISOFILE in + /*) ;; + *) ISOFILE=$ORIG_DIR/$ISOFILE ;; + esac +# }}} + +# create necessary stuff under WRKDIR {{{ + [ -d "$WRKDIR" ] && WRKDIR_EXISTED='true' || WRKDIR_EXISTED='false' rm -rf "$WRKDIR/cddir" "$WRKDIR/grub_tmp" - mkdir -p "$WRKDIR/cddir" "$WRKDIR/grub_tmp" - -# execute grml2usb with all ISOs you'd like to install - $GRML2USB "$@" "$WRKDIR/cddir" - -# install grub2 files -# as we don't want to rely on a grub2 installation on the -# running system let's grab it from the net - cd "$WRKDIR"/grub_tmp/ - wget http://ftp.de.debian.org/debian/pool/main/g/grub2/"$GRUB_DEB" - ar x "$GRUB_DEB" - tar xzf data.tar.gz - ./usr/bin/grub-mkimage -d usr/lib/grub/i386-pc \ - -o "$WRKDIR"/cddir/boot/grub/core.img biosdisk iso9660 - - for a in usr/lib/grub/i386-pc/{*.mod,efiemu??.o,command.lst,moddep.lst,fs.lst,handler.lst,parttool.lst}; do - test -e $a && cp $a "$WRKDIR"/cddir/boot/grub/ - done + mkdir -p "$WRKDIR/cddir" +# }}}} + +# execute grml2usb with all ISOs you'd like to install {{{ + $GRML2USB "${REMOVE_OPTS[@]}" ${ADD_OPTS:+"$ADD_OPTS"} "$@" "$WRKDIR/cddir" +# }}} + +# move syslinux to isolinux {{{ + mv "$WRKDIR"/cddir/boot/syslinux "$WRKDIR"/cddir/boot/isolinux - cat usr/lib/grub/i386-pc/cdboot.img "$WRKDIR"/cddir/boot/grub/core.img \ - > "$WRKDIR"/cddir/boot/grub/eltorito.img cd "$WRKDIR/cddir" + echo "menu label ^Isolinux prompt" > boot/isolinux/promptname.cfg + echo "include hd.cfg" >> boot/isolinux/grmlmain.cfg +# }}} + +# copy specified directory to cd {{{ + if [ -n "$DIR" ] ; then + echo >&2 "Copying ${DIR} to generated iso" + rsync -a ${DIR}/ . + fi -# finally generate the CD/DVD-iso +# }}} + +# generate the CD/DVD ISO {{{ mkisofs -V 'grml-multiboot' -l -r -J -no-pad \ -no-emul-boot -boot-load-size 4 -boot-info-table \ - -b boot/grub/eltorito.img -c boot/grub/eltorito.cat \ + -b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat \ -o "$ISOFILE" . +# }}} -# pad the output ISO to multiples of 256 KiB for partition table support +# pad the output ISO to multiples of 256 KiB for partition table support {{{ siz=$($getfilesize "$ISOFILE") - cyls=$(echo "$siz / 512 / 32 / 16 + 1" | bc) # C=$cyls H=16 S=32 - ofs=$(echo "$cyls * 16 * 32 * 512 - 1" | bc) # padding offset (size - 1) + cyls=$(echo "$siz / 512 / 32 / 16 + 1" | bc) # C=$cyls H=16 S=32 + ofs=$(echo "$cyls * 16 * 32 * 512 - 1" | bc) # padding offset (size - 1) dd if=/dev/zero bs=1 count=1 seek=$ofs of="$ISOFILE" 2>/dev/null +# }}} -# create a manifold-boot image with a partition table, if possible - if mksh -c true 2>/dev/null && \ - test -e /usr/share/grml-live/scripts/bootgrub.mksh; then - echo "Creating a manifold-boot ISO image" - echo 1 63 | \ - mksh /usr/share/grml-live/scripts/bootgrub.mksh -A -M 1 -p 0x83 -g $cyls:16:32 | \ - cat - boot/grub/core.img | \ - dd conv=notrunc of="$ISOFILE" conv=notrunc 2>/dev/null - else - echo "Cannot find mksh or bootgrub.mksh, not generating manifold-boot ISO image" - fi -# cleanup +# cleanup {{{ cd "$ORIG_DIR" sync rm -rf "$WRKDIR/cddir" "$WRKDIR/grub_tmp" - -# we are done :) + [[ $WRKDIR_EXISTED = 'false' ]] && rmdir "$WRKDIR" echo "Generated $ISOFILE" +# }}} ## EOF ######################################################################### +# vim:foldmethod=marker ts=2 ft=sh ai expandtab tw=80 sw=3