#!/bin/sh
OLD=solex_snv41_eol
NEW=solex_snv43_bol
CD=/cdrom/sol_11_x86/Solaris_11/Product
TARGET=/zfsroot
pkginfo -R $TARGET/.zfs/snapshot/$NEW > /tmp/pkginfo.$NEW
pkginfo -R $TARGET/.zfs/snapshot/$OLD > /tmp/pkginfo.$OLD
# these two files end up being owned by root :(
# if you use a different name, this isn't a problem for the following two steps:
sort pkginfo.$OLD > 0; mv 0 pkginfo.$OLD
sort pkginfo.$NEW > 0; mv 0 pkginfo.$NEW
diff -U0 pkginfo.$OLD pkginfo.$NEW|grep "^-"|perl -pe 's/(\S+)\s+(\S+)\s+(.*)/$2/' |xargs echo > manifest
# some work must be done to prune out packages not available from the CD :(
# e.g. O9opera SMCdb SPRO* 
# su
pushd $CD
pkgadd -R $TARGET -d $CD `cat /tmp/manifest`