5 # initramfs-tools header
21 # live-initramfs header
23 . /scripts/live-functions
25 log_begin_msg "Possibly disabling update-initramfs (useless on a live CD)..."
27 # live-initramfs script
29 chroot /root dpkg-divert --add --rename --quiet \
30 /usr/sbin/update-initramfs
32 # Running off a USB disk or other writable media.
33 if [ -w /root/cdrom ] && \
34 # rw is guaranteed to be first.
35 grep -q ' /root/cdrom rw[, ]' /proc/self/mountinfo
38 cat > /root/usr/sbin/update-initramfs << 'EOF'
43 update-initramfs.distrib "$@"
45 if [ -e /cdrom/live/initrd.lz ]
47 zcat /initrd.img | lzma -9c >/cdrom/live/initrd.lz.new
48 mv /cdrom/live/initrd.lz.new /cdrom/live/initrd.lz
50 cp /initrd.img /cdrom/live/initrd.gz.new
51 mv /cdrom/live/initrd.gz.new /cdrom/live/initrd.gz
54 cp /vmlinuz /cdrom/live/vmlinuz.new
55 mv /cdrom/live/vmlinuz.new /cdrom/live/vmlinuz
62 cat > /root/usr/sbin/update-initramfs << EOF
65 echo "update-initramfs is disabled since running on read-only media"
71 chmod 0755 /root/usr/sbin/update-initramfs