patch from cjwatson to extract multiple initrds on ppc

livecd.sh

@@ -277,8 +277,17 @@ deb-src ${SECSRCMIRROR} ${STE}-security ${COMP}
 	echo set postfix/mailname | chroot ${ROOT} /usr/bin/debconf-communicate postfix
     fi
     chroot ${ROOT} dpkg-query -W --showformat='${Package} ${Version}\n' > livecd.${FS}.manifest
-    KVER=`chroot ${ROOT} dpkg -l linux-image-2\*|grep ^i|awk '{print $2}'|sed 's/linux-image-//'`
-    cp ${ROOT}/boot/initrd.img-"$KVER" livecd.${FS}.initrd
+    KVERS=`chroot ${ROOT} dpkg -l linux-image-2\*|grep ^i|awk '{print $2}'|sed 's/linux-image-//'`
+    for KVER in ${KVERS}; do
+	SUBARCH="${KVER#*-*-}"
+	chroot ${ROOT} update-initramfs -k "${KVER}" -u
+	cp ${ROOT}/boot/initrd.img-"${KVER}" livecd.${FS}.initrd-"${SUBARCH}"
+    done
+    if [ "${KVERS% *}" = "$KVERS" ]; then
+	# only one kernel
+	SUBARCH="${KVERS#*-*-}"
+	ln -s livecd.${FS}.initrd-"${SUBARCH}" livecd.${FS}.initrd
+    fi
 
     mkdir -p livecd.mnt
     MOUNTS="$MOUNTS $(pwd)/livecd.mnt"