Clifford Wolf:

package/base/00-dirtree/data.txt

@@ -96,6 +96,7 @@ m var/adm/dependencies
 m var/adm/flists
 m var/adm/md5sums
 m var/adm/packages
+m var/adm/postinstall
 m var/cache
 m var/empty
 m var/games

package/base/postinstall/postinstall.conf

@@ -1,11 +1,10 @@
 postinstall_main () 
 {
- mkdir -p /var/adm/postinstall
  mkdir -p /etc/postinstall
  mkdir -p /etc/postinstall/postremove
- cp -a /$confdir/postinstall /usr/sbin/
+ cp -a $confdir/postinstall /usr/sbin/
  chmod +x /usr/sbin/postinstall 
- cp -a /$confdir/postinstall-example.sh /etc/postinstall
+ cp -a $confdir/postinstall-example.sh /etc/postinstall
 }
 
 mainfunction=postinstall_main