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131 lines
3.6 KiB
131 lines
3.6 KiB
#!/bin/sh -xe
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# Depends: debootstrap, rsync, cloop-utils, python
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cleanup() {
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for mnt in $MOUNTS; do
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umount $mnt || true
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done
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[ -n "$DEV" ] && losetup -d $DEV
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grep ${ROOT} /proc/mounts && return 1 || return 0
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}
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if [ $(id -u) != 0 ];then
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echo "must be run as root"
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exit 2
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fi
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umask 022
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export TTY=unknown
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case $(hostname --fqdn) in
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*.mmjgroup.com) MIRROR=http://ia/ubuntu;;
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*.warthogs.hbd.com) MIRROR=http://jackass.warthogs.hbd.com;;
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*.ubuntu.com) MIRROR=http://jackass.warthogs.hbd.com;;
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*) MIRROR=http://archive.ubuntu.com/ubuntu;;
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esac
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ROOT=$(pwd)/chroot-livecd/
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IMG=livecd.fsimg
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MOUNTS="${ROOT}dev/pts ${ROOT}dev/shm ${ROOT}.dev ${ROOT}dev ${ROOT}proc"
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rm -rf ${ROOT}
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mkdir -p ${ROOT}var/cache/debconf
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cat << @@EOF > ${ROOT}var/cache/debconf/config.dat
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Name: debconf/frontend
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Template: debconf/frontend
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Value: Noninteractive
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Owners: debconf
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Flags: seen
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@@EOF
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# need to defer udev until the apt-get, since debootstrap doesn't believe
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# in diversions
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debootstrap --exclude=udev,ubuntu-base hoary $ROOT $MIRROR
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# Just make a few things go away, which lets us skip a few other things.
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# sadly, udev's postinst does some actual work, so we can't just make it
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# go away completely.
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DIVERTS="usr/sbin/mkinitrd usr/sbin/invoke-rc.d etc/init.d/dbus-1 sbin/udevd"
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for file in $DIVERTS; do
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mkdir -p ${ROOT}${file%/*}
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cp /bin/true ${ROOT}$file
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(echo /$file; echo /${file}.livecd; echo :) >> ${ROOT}var/lib/dpkg/diversions
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done
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# /bin/true won't cut it for mkinitrd, need to have -o support.
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cat << @@EOF > ${ROOT}/usr/sbin/mkinitrd
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#!/usr/bin/python
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import sys
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for i in range(len(sys.argv)):
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if sys.argv[i]=='-o':
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open(sys.argv[i+1],"w")
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@@EOF
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chmod 755 ${ROOT}usr/sbin/mkinitrd
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trap "cleanup" 0 1 2 3 15
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# Make a good /etc/kernel-img.conf for the kernel packages
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cat << @@EOF >> ${ROOT}etc/kernel-img.conf
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do_symlinks = yes
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relative_links = yes
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do_bootloader = no
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do_bootfloppy = no
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do_initrd = yes
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link_in_boot = no
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@@EOF
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mkdir -p ${ROOT}proc
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mount -tproc none ${ROOT}proc
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# In addition to the ones we got from apt, trust whatever the local system
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# believes in, but put things back afterwards.
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cp ${ROOT}etc/apt/trusted.gpg ${ROOT}etc/apt/trusted.gpg.$$
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cat /etc/apt/trusted.gpg >> ${ROOT}etc/apt/trusted.gpg
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# Create a good sources.list, and finish the install
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echo deb $MIRROR hoary main restricted > ${ROOT}etc/apt/sources.list
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chroot $ROOT apt-get update
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chroot $ROOT apt-get -y install ubuntu-base ubuntu-desktop linux-386 </dev/null
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# remove our diversions
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for file in $DIVERTS; do
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ls -ld ${ROOT}$file ${ROOT}$file.livecd || true
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rm -f ${ROOT}$file
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chroot $ROOT dpkg-divert --remove --rename /$file
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done
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# And make this look more pristene
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cleanup
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cat << @@EOF > ${ROOT}etc/apt/sources.list
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echo deb http://archive.ubuntu.com/ubuntu hoary main restricted
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echo deb-src http://archive.ubuntu.com/ubuntu hoary main restricted
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@@EOF
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mv ${ROOT}etc/apt/trusted.gpg.$$ ${ROOT}etc/apt/trusted.gpg
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# get rid of the .debs - we don't need them.
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chroot ${ROOT} apt-get clean
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rm ${ROOT}var/lib/apt/lists/*_*
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# Make the filesystem, with some room for meta data and such
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USZ="400*1024" # 400MB for the user
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UINUM="" # blank (default), or number of inodes desired.
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SZ=$(python -c "print int($(du -sk $ROOT|sed 's/[^0-9].*$//')*1.1+$USZ)")
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dd if=/dev/zero of=$IMG seek=$SZ bs=1024 count=1
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if [-n "$UINUM" ]; then
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INUM="-N "$(python -c "print $(find ${ROOT} | wc -l)+$UINUM")
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fi
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mke2fs $INUM -Osparse_super -F $IMG
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DEV=$(losetup -f);
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losetup $DEV $IMG
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mkdir -p livecd.mnt
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MOUNTS="$MOUNTS $(pwd)/livecd.mnt"
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mount $DEV livecd.mnt
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rsync -a ${ROOT}/ livecd.mnt
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rm -rf ${ROOT} &
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create_compressed_fs $IMG 65536 > livecd.cloop
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