git.rot13.org Git - pxelator/blob - bin/squashfs-overlay.sh

   1 #!/bin/sh -x
   2
   3 from=/srv/pxelator/tftp/webconverger/iso/live/filesystem.squashfs
   4 path=/srv/pxelator/tftp/webconverger/custom.squashfs
   5
   6 from=/srv/pxelator/tftp/debian_live/debian-live-60alpha2-i386-standard.squashfs
   7 path=/srv/pxelator/tftp/debian_live/custom.squashfs
   8
   9 if mount | egrep '/tmp/(base|export|changes)' ; then
  10         sudo umount -l /tmp/changes
  11         sudo umount -l /tmp/base
  12         while sudo umount -l /tmp/export ; do
  13                 echo "again"
  14         done
  15         echo "umounted"
  16         exit
  17 fi
  18
  19 sudo apt-get install squashfs-tools
  20
  21 mkdir /tmp/base
  22
  23 mount $from /tmp/base -o loop || exit
  24
  25 mkdir /tmp/changes /tmp/export
  26 stat --format='chmod -v %a /tmp/changes /tmp/export && chown -v %u:%g /tmp/changes /tmp/export' /tmp/base | sh -x
  27 sudo mount -t aufs -o br:/tmp/changes:/tmp/base none /tmp/export
  28
  29 df -h /tmp/base /tmp/changes /tmp/export
  30
  31 echo "Now modify your installation, type exit to remaster into $path"
  32 sudo chroot /tmp/export || exit
  33
  34 sudo rm -fv $path.new
  35 sudo mksquashfs /tmp/export $path.new && mv $path $path.old
  36 mv $path.new $path && chmod 444 $path && ls -al $path