ubuntu template: apt-get clean after debootstrapping a cache

This saves quite a bit of space in the cache and containers. See https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1037626 for the original bug report. Reported-by: Fajar A. Nugraha <list@fajar.net> Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

ubuntu template: apt-get clean after debootstrapping a cache
06f5c632 · Serge Hallyn · Stéphane Graber · f1ccde27 · 06f5c632
Commit 06f5c632 authored Aug 21, 2012 by Serge Hallyn Committed by Stéphane Graber Oct 25, 2012
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lxc-ubuntu.in templates/lxc-ubuntu.in +2 -0

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--- a/templates/lxc-ubuntu.in
+++ b/templates/lxc-ubuntu.in
@@ -208,6 +208,8 @@ EOF
        return 1
    fi
+    chroot "$1/partial-${arch}" apt-get clean
    mv "$1/partial-$arch" "$1/rootfs-$arch"
    trap EXIT
    trap SIGINT