Clifford Wolf:

package/base/00-dirtree/data.txt

@@ -37,6 +37,8 @@ m etc/rc.d/rc4.d
 m etc/rc.d/rc5.d
 m etc/opt
 m etc/network/modules
+m etc/postinstall
+m etc/postinstall/postremove
 m etc/profile.d
 m etc/stone.d
 m etc/skel

package/base/sysfiles/postinstall.sh

@@ -0,0 +1,126 @@
+#!/bin/bash
+#
+# --- ROCK-COPYRIGHT-NOTE-BEGIN ---
+# 
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+# Please add additional copyright information _after_ the line containing
+# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
+# the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
+# 
+# ROCK Linux: rock-src/scripts/Build-Pkg
+# ROCK Linux is Copyright (C) 1998 - 2005 Clifford Wolf
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version. A copy of the GNU General Public
+# License can be found at Documentation/COPYING.
+# 
+# Many people helped and are helping developing ROCK Linux. Please
+# have a look at http://www.rocklinux.org/ and the Documentation/TEAM
+# file for details.
+# 
+# --- ROCK-COPYRIGHT-NOTE-END ---
+
+# Helper functions
+is_installed()
+{
+	if [ $install_checks_true == 1 ]; then return 0; fi
+	[ -e "$1" ];
+}
+
+is_removed()
+{
+	if [ $remove_checks_true == 1 ]; then return 0; fi
+	[ ! -e "$1" ];
+}
+
+all_installed() {
+	while read dummy M; do
+		[ -e "/$M" ] && echo "/$M"
+	done < <( cat /var/adm/postinstall/*-install.?????? 2> /dev/null | grep "$1"; ) | sort -u
+}
+
+all_removed() {
+	while read dummy M; do
+		[ -e "/$M" ] || echo "/$M"
+	done < <( cat /var/adm/postinstall/*-remove.?????? 2> /dev/null | grep "$1"; ) | sort -u
+}
+
+all_touched() {
+	while read dummy M; do
+		[ -e "/$M" ] || echo "/$M"
+	done < <( cat /var/adm/postinstall/*-install.?????? /var/adm/postinstall/*-remove.?????? 2> /dev/null | grep "$1"; ) | sort -u
+}
+
+any_installed() {
+	if [ $install_checks_true == 1 ]; then return 0; fi
+	cat /var/adm/postinstall/*-install.?????? 2> /dev/null | grep -q "$1" 
+}
+
+any_removed() {
+	if [ $remove_checks_true == 1 ]; then return 0; fi
+	cat /var/adm/postinstall/*-remove.?????? 2> /dev/null | grep -q "$1" 
+}
+
+any_touched() {
+	if [ $install_checks_true == 1 ]; then return 0; fi
+	if [ $remove_checks_true == 1 ]; then return 0; fi
+	cat /var/adm/postinstall/*-install.?????? /var/adm/postinstall/*-remove.?????? 2> /dev/null | grep -q "$1" 
+}
+
+install_checks_true=0
+remove_checks_true=0
+
+while [ "$#" -ge 1 ]; do
+	case "$1" in
+		-a)
+			install_checks_true=1
+			shift
+			;;
+		-r)
+			remove_checks_true=1
+			shift
+			;;
+		*)
+			echo
+			echo "Usage: $0 [ -a ] [ -r ]"
+			echo
+			echo "	-a	execute all postinstall actions"
+			echo "	-r	execute all postremove actions"
+			echo
+			exit 1
+			;;
+	esac
+done
+
+# Backup postinstall scripts for postremove operation
+all_installed "etc/postinstall/.*\.sh" | while read M;
+do
+	echo "Creating backup of $M in /etc/postinstall/postremove/"
+	cp -af "$M" "/etc/postinstall/postremove/${M##*/}"
+done
+
+# Execute removed postinstall scripts
+all_removed "etc/postinstall/.*\.sh" | while read M; 
+do
+	P="/etc/postinstall/postremove/${M##*/}"
+	if [ -e $P ]; then
+		echo "Executing postremove script $P"
+		. "$P"
+		rm -f "$P"
+	else
+		echo "WARNING: backup of $M not found in /etc/postinstall/postremove"
+	fi
+done
+	
+# Source postinstall scripts
+for N in /etc/postinstall/*.sh; 
+do
+	echo "Executing postinstall script $N"
+	. "$N"
+done
+
+# Remove the postinstall/postremove logs
+rm -f /var/adm/postinstall/*-{install,remove}.??????
+

package/base/sysfiles/sysfiles.conf

@@ -126,6 +126,10 @@ EOT
 	cp -v $confdir/hwscan.awk $root/sbin/hwscan
 	chmod +x $root/sbin/hwscan
 
+	echo "Installing postinstall ..."
+	cp -v $confdir/postinstall.sh $root/usr/sbin/postinstall
+	chmod +x $root/usr/sbin/postinstall
+
 	echo "Installing 'system' init script ..."
 	install_init system $confdir/system.init