http://www.cmdln.org/?p=70&preview=true#
st-install.sh.orig        2008-04-25 12:43:02.000000000 -0400
+++ post-install.sh     2008-04-25 13:09:41.000000000 -0400
@@ -10,6 +10,10 @@
   exit
 fi

+arch=i386
+if [ $ARCH == "amd64" ] ; then
+       arch=x86_64
+fi


 #
@@ -22,7 +26,6 @@
 fi
 cp /etc/resolv.conf "${prefix}/etc/"

-
 #
 #  3.5 BUGFIX:
 echo "BUGFIX"
@@ -31,6 +34,10 @@
     mv $i ${prefix}/usr/lib/python2.4/site-packages/urlgrabber.skx/
 done

+# 3.6 BUGFIX: yumrepo
+echo "BUGFIX: yumrepo"
+chroot ${prefix} sed -i s/\$releasever/5/g /etc/yum.repos.d/CentOS-Base.repo
+chroot ${prefix} sed -i s/\$basearch/$arch/g /etc/yum.repos.d/CentOS-Base.repo
 #
 #
 #  4.  Run "yum install yum".