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|
#!/bin/sh
#set -e
# initramfs-tools header
PREREQ=""
prereqs()
{
echo "${PREREQ}"
}
case "${1}" in
prereqs)
prereqs
exit 0
;;
esac
# live-initramfs header
. /scripts/live-functions
log_begin_msg "Possibly disabling update-initramfs (useless on a live CD)..."
# live-initramfs script
chroot /root dpkg-divert --add --rename --quiet \
/usr/sbin/update-initramfs
# Running off a USB disk or other writable media.
if [ -w /root/cdrom ] && \
# rw is guaranteed to be first.
grep -q ' /root/cdrom rw[, ]' /proc/self/mountinfo
then
cat > /root/usr/sbin/update-initramfs << 'EOF'
#!/bin/sh
set -e
update-initramfs.distrib "$@"
if [ -e /cdrom/live/initrd.lz ]
then
zcat /initrd.img | lzma -9c >/cdrom/live/initrd.lz.new
mv /cdrom/live/initrd.lz.new /cdrom/live/initrd.lz
else
cp /initrd.img /cdrom/live/initrd.gz.new
mv /cdrom/live/initrd.gz.new /cdrom/live/initrd.gz
fi
cp /vmlinuz /cdrom/live/vmlinuz.new
mv /cdrom/live/vmlinuz.new /cdrom/live/vmlinuz
exit 0
EOF
else
cat > /root/usr/sbin/update-initramfs << EOF
#!/bin/sh
echo "update-initramfs is disabled since running on read-only media"
exit 0
EOF
fi
chmod 0755 /root/usr/sbin/update-initramfs
log_end_msg
|
