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|
#!/bin/bash
##
## makedistro.sh
##
## Made by David Farning
## Login <dfarning@acer>
##
## Started on Sat Jan 9 03:45:30 2010 David Farning
## Last update Sun Jan 31 19:04:58 2010 David Farning
##
set -eu
function usage()
{
echo "The script needs 2 parameters:
* Action to do: debootstrap|iso|squash|all
* Architecture to build: i386|amd64
Usage: $0 debootstrap|iso|squash|source|all|torrent i386|amd64"
}
function failure()
{
unmount_directories
echo "$@"
exit 2
}
function unmount_directory()
{
DIR_TO_UNMOUNT="$1"
if mountpoint -q ${DIR_TO_UNMOUNT}; then #FIXME should be able to detect in tmp is mounted
echo "Unmounting directory ${DIR_TO_UNMOUNT}..."
umount -l ${DIR_TO_UNMOUNT} || failure "Cannot unmount directory ${DIR_TO_UNMOUNT}, error=$?"
fi
}
function unmount_directories()
{
# check for runs of the script
if [ -d ${CHROOT} ] ; then
echo "Cleaning up old build tree"
for MOUNT in /tmp /lib/modules/*/volatile /proc /sys /dev/pts /var/run ; do
unmount_directory ${CHROOT}${MOUNT}
done
fi
}
function replace_ssd()
{
# replace the start-stop-daemon, to make /etc/init.d/ scripts do nothing for a while
mv ${CHROOT}/sbin/start-stop-daemon ${CHROOT}/sbin/start-stop-daemon.REAL
cat <<EOF > "$CHROOT/sbin/start-stop-daemon"
#!/bin/sh
echo
echo "Warning: Fake start-stop-daemon called, doing nothing"
EOF
chmod 755 ${CHROOT}/sbin/start-stop-daemon
}
function restore_ssd()
{
# enable /etc/init.d/ scripts
mv ${CHROOT}/sbin/start-stop-daemon.REAL ${CHROOT}/sbin/start-stop-daemon
}
function prepare_chroot()
{
export LANG=C
export LANGUAGE=C
mount -t proc proc ${CHROOT}/proc || failure "Failed to mount ${CHROOT}/proc, error=$?"
mount -t sysfs sysfs ${CHROOT}/sys || failure "Failed to mount ${CHROOT}/sys, error=$?"
mount -t devpts none ${CHROOT}/dev/pts || failure "Failed to mount ${CHROOT}/dev/pts, error=$?"
mount -o bind /var/run ${CHROOT}/var/run
#mount -o bind /tmp ${CHROOT}/tmp FIXME do we need temp
echo "Copying resolv.conf..."
cp -f /etc/resolv.conf ${CHROOT}/etc/resolv.conf || failure "Failed to copy resolv.conf to image directory, error=$?"
echo "Creating DBUS uuid"
#${CCMD} dbus-uuidgen --ensure
echo "done"
}
function in_chroot()
{
cp usr-chroot.sh ${CHROOT}
${CCMD} ./usr-chroot.sh
#rm ${CHROOT}/usr-chroot.sh
}
function clean_chroot()
{
unmount_directories
echo "Cleaning up apt"
${CCMD} apt-get clean || failure "Failed to run apt-get clean, error=$?"
${CCMD} apt-get autoclean || failure "Failed to run apt-get autoclean, error=$?"
echo "Cleaning up temporary directories..."
${CCMD} rm -rf '/tmp/*' '/tmp/.*' '/var/tmp/*' '/var/tmp/.*' #2>/dev/null
${CCMD} rm -rf /var/lib/dbus/machine-id # 2>/dev/null
echo "Restoring hosts..."
${CCMD} rm -f ${CHROOT}/etc/hosts || failure "Failed to hosts, error=$?"
echo "Restoring resolv.conf..."
${CCMD} rm -f ${CHROOT}/etc/resolv.conf || failure "Failed to remove resolv.conf, error=$?"
}
function do_debootstrap() {
date
echo "DIST=${DIST}
ARCH=${ARCH}
CHROOT=${CHROOT}"
unmount_directories
rm -rf $CHROOT || exit 1
# debootstrab the base system
mkdir ${CHROOT}
debootstrap --arch=${ARCH} lucid ${CHROOT} ${MIRROR}
# replace_ssd
prepare_chroot
in_chroot
cp casper $CHROOT/etc/init.d/casper
clean_chroot
# restore_ssd
}
function prepare_image_directory()
{
echo "Preparing directory for image"
if [ -e ${IMAGE} ]; then
rm -rf ${IMAGE} || failure "Failed to remove directory ${IMAGE}"
fi
mkdir -p ${IMAGE}
}
pack_squashfs()
{
prepare_image_directory
cp -a USR-master/* ${IMAGE}/
echo "Updating files lists..."
${CCMD} dpkg-query -W --showformat='${Package} ${Version}\n' > ${IMAGE}/casper/filesystem.manifest || failure "Cannot update filesystem.manifest, error=$?"
cp ${IMAGE}/casper/filesystem.manifest ${IMAGE}/casper/filesystem.manifest-desktop
sed -i '/ubiquity/d' ${IMAGE}/casper/filesystem.manifest-desktop
sed -i '/casper/d' ${IMAGE}/casper/filesystem.manifest-desktop
echo "Packing SquashFS image..."
if [ -e ${IMAGE}/casper/filesystem.squashfs ]; then
rm -f ${IMAGE}/casper/filesystem.squashfs || failure "Cannot remove ${IMAGE}/casper/filesystem.squashfs to make room for created squashfs image, error=$?"
fi
printf $(du -sx --block-size=1 ${CHROOT} | cut -f1) > ${IMAGE}/casper/filesystem.size
mksquashfs ${CHROOT} ${IMAGE}/casper/filesystem.squashfs || failure "Failed to create squashfs image to ${IMAGE}/casper/filesystem.squashfs, error=$?"
chmod 644 ${IMAGE}/casper/filesystem.squashfs
}
pack_iso(){
#update the kernel image in the master dir
cp -v ${CHROOT}/boot/initrd.img* ${IMAGE}/casper/initrd
cp -v ${CHROOT}/boot/vmlinuz* ${IMAGE}/casper/vmlinuz
echo "Updating md5sums..."
pushd ${CHROOT}
find . -type f -print0 | xargs -0 md5sum | grep -v "\./md5sum.txt" > md5sum.txt
popd
mkisofs -o ${ISO} \
-b "isolinux/isolinux.bin" -c "isolinux/boot.cat" \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-cache-inodes -r -J -l \
${IMAGE}
RESULT=$?
if [ $RESULT -ne 0 ]; then
failure "Failed to pack ISO image, error=${RESULT}"
fi
}
case $1 in
debootstrap|iso|squash|source|all|torrent) ACTION=$1
;;
*) usage
exit 1
;;
esac
case $2 in
i386|amd64) ARCH=$2
;;
*) usage
exit 1
;;
esac
export DEBIAN_FRONTEND=noninteractive
MIRROR="http://10.0.02:3142/archive.ubuntu.com/ubuntu"
DIST="USR"
CHROOT=${DIST}-${ARCH}-FS
IMAGE=${DIST}-${ARCH}-IMAGE
ISO=${DIST}-${ARCH}.iso
LOG=${CHROOT}.log
CCMD="chroot ${CHROOT}"
echo ${CCMD}
#do_debootstrap
pack_squashfs
pack_iso
|
