support lenny with lenny-backports.

apt/Makefile.am

@@ -1,7 +1,7 @@
 DISTRIBUTIONS = debian ubuntu
 CHROOT_BASE = /var/lib/chroot
 ARCHITECTURES = amd64
-CODES = squeeze unstable lucid maverick
+CODES = lenny squeeze unstable lucid maverick
 
 all:
 

apt/build-deb.sh

@@ -8,7 +8,7 @@ VERSION=$(cat /tmp/build-version)
 DEPENDED_PACKAGES=$(cat /tmp/depended-packages)
 BUILD_SCRIPT=/tmp/build-deb-in-chroot.sh
 
-mysql_server_package=mysql-server
+mysql_server_package=mysql-server-5.1
 
 run()
 {
@@ -22,6 +22,16 @@ run()
 grep '^deb ' /etc/apt/sources.list | \
     sed -e 's/^deb /deb-src /' > /etc/apt/sources.list.d/base-source.list
 
+if grep '^5\.0' /etc/debian_version > /dev/null; then
+    backports_list=/etc/apt/sources.list.d/backports.list
+    if [ ! -f $backports_list ]; then
+	cat <<EOF > $backports_list
+deb http://backports.debian.org/debian-backports lenny-backports main
+deb-src http://backports.debian.org/debian-backports lenny-backports main
+EOF
+    fi
+fi
+
 apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 1C837F31
 
 if [ ! -x /usr/bin/aptitude ]; then