diff options
Diffstat (limited to 'debian/qemu-make-debian-root')
| -rwxr-xr-x | debian/qemu-make-debian-root | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/debian/qemu-make-debian-root b/debian/qemu-make-debian-root new file mode 100755 index 0000000..fea4927 --- /dev/null +++ b/debian/qemu-make-debian-root @@ -0,0 +1,157 @@ +#! /bin/sh -e +# +# $Id: qemu-make-debian-root 353 2008-10-16 20:28:22Z aurel32 $ +# +# Script to make a debian root image. +# + +set -e + +which uudecode >/dev/null || { + echo "error: missing sharutils package" >&2 + exit 1 +} + +which debootstrap >/dev/null || { + echo "error: missing debootstrap package" >&2 + exit 1 +} + +KEEPFS=0 +if [ "$1" = "-k" ] || [ "$2" = "-k" ]; then + KEEPFS=1 + shift +fi + +SPARSE=0 +if [ "$1" = "-s" ] || [ "$2" = "-s" ]; then + SPARSE=1 + shift +fi + +if [ $# -lt 4 ]; then + echo Usage: "$0 [-ks] size-in-MB distrib deburl image [files_to_copy_in_/root]" >&2 + echo "eg $0 150 sid http://proxy:10000/debian qemu" >&2 + echo "-k keep file system -s sparse image" >&2 + echo "$0 is normally run as root." >&2 + exit 1 +fi + +SIZE=$1 +DISTRO=$2 +URL=$3 +IMAGE=$4 +shift 4 + +# now files to copy are in "$@". We don't put them in a variable +# because that would coufuse spaces-in-filenames with +# whitespace-separation. + + +if [ $SIZE -lt 130 ]; then + echo 'Size must be at least 130 megabytes (Debian unstable takes 100)' >&2 + exit 1 +fi + +cleanup() +{ + echo Cleaning up... >&2 + umount -d $TMP_DIR || true + rm -f $IMAGE.ext2 $IMAGE +} + +trap cleanup EXIT + +HEADS=16 +SECTORS=63 +# 512 bytes in a sector: cancel the 512 with one of the 1024s... +CYLINDERS=$(( $SIZE * 1024 * 2 / ($HEADS * $SECTORS) )) + +# Create a filesystem: one track for partition table. +if [ "$SPARSE" = "1" ]; then + dd bs=$(($SECTORS * 512)) if=/dev/zero of=$IMAGE.ext2 count=1 seek=$(($CYLINDERS * $HEADS - 2)) +else + dd bs=$(($SECTORS * 512)) if=/dev/zero of=$IMAGE.ext2 count=$(($CYLINDERS * $HEADS - 1)) +fi + +mke2fs -q -m1 -F $IMAGE.ext2 + +TMP_DIR="$(mktemp -d /tmp/mount.XXXXXX)" || \ + { echo >&2 "Failed to create temporary directory"; exit 1; } + +# Mount it. +mount -o loop $IMAGE.ext2 $TMP_DIR + +# Do debian install on it. +#debootstrap --exclude=syslinux,at,exim,mailx,libstdc++2.10-glibc2.2,mbr,setserial,fdutils,info,ipchains,lilo,pcmcia-cs,ppp,pppoe,pppoeconf,pppconfig $DISTRO $TMP_DIR $URL +debootstrap --exclude=syslinux,at,exim,mailx,libstdc++2.10-glibc2.2,mbr,setserial,fdutils,info,ipchains,iptables,lilo,pcmcia-cs,ppp,pppoe,pppoeconf,pppconfig,wget,telnet,cron,logrotate,exim4,exim4-base,exim4-config,exim4-daemon-light,pciutils,modconf,tasksel $DISTRO $TMP_DIR $URL + +# Final configuration. +cat > $TMP_DIR/etc/fstab <<EOF +/dev/hda1 / ext2 errors=remount-ro 0 1 +proc /proc proc defaults 0 0 +EOF + +# Console on ttyS0, not tty1, and no other gettys. +sed 's,1:2345:respawn:/sbin/getty 38400 tty1,1:2345:respawn:/sbin/getty 38400 ttyS0,' < $TMP_DIR/etc/inittab | sed 's,^.:23:respawn.*,,' > $TMP_DIR/etc/inittab.new +mv $TMP_DIR/etc/inittab.new $TMP_DIR/etc/inittab + +# Set hostname to base of image name. +basename $IMAGE > $TMP_DIR/etc/hostname + +# Create /etc/shadow +chroot $TMP_DIR pwconv + +# Set root password to "root" +sed 's/^root:[^:]*/root:$1$aybpiIGf$cB7iFDNZvViQtQjEZ5HFQ0/' < $TMP_DIR/etc/shadow > $TMP_DIR/etc/shadow.new +mv $TMP_DIR/etc/shadow.new $TMP_DIR/etc/shadow + +# Remove packages we don't need +chroot $TMP_DIR /usr/bin/dpkg --remove console-common console-tools console-data base-config man-db manpages +# Try to remove all libraries: some won't be removable. +chroot $TMP_DIR dpkg --remove `chroot $TMP_DIR dpkg --get-selections | sed -n 's/^\(lib[^ \t]*\)[\t ]*install/\1/p'` 2>/dev/null || true + + +# Copy wanted files to /root if asked to +if [ $# -gt 0 ]; then + cp -a "$@" $TMP_DIR/root/ +fi +umount -d $TMP_DIR + +# Create file with partition table. +uudecode -o- << "EOF" | gunzip > $IMAGE +begin 664 partition-table.gz +M'XL("*_<##\"`W!A<G1I=&EO;BUT86)L90#LT#$-`"`0!,&']D6A`D6XP1T& +M"%B@))FIMKGF(OA9C;%;EENYZO.Z3P\"````!P``__\:!0````#__QH%```` +M`/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH% +M`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#_ +M_QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0`` +M``#__QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\: +M!0````#__QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4````` +M__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4` +M````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH%`````/__ +M&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH%```` +M`/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH% +M`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#_ +M_QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0`` +M``#__QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\: +M!0````#__QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4````` +M__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH%`````/__&@4` +M````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH%`````/__ +M&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH%```` +M`/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#__QH% +M`````/__&@4`````__\:!0````#__QH%`````/__&@4`````__\:!0````#_ +M_QH%`````/__&@4`````__\:!0````#__QH%`````/__0@``````__\#`%&_ +&<90`?@`` +` +end +EOF +dd if=$IMAGE.ext2 of=$IMAGE seek=$((`stat -c%s $IMAGE` / 512)) bs=512 +rm $IMAGE.ext2 + +# Repartition so one partition covers entire disk. +echo '63,' | sfdisk -uS -H$HEADS -S$SECTORS -C$CYLINDERS $IMAGE + +trap "" EXIT + +echo Done. |