docker: Generate /packages.txt in ubuntu image
commit5008fc787b9d923f937c71d3dbe0d8ef88875c91
authorFam Zheng <famz@redhat.com>
Wed, 21 Sep 2016 03:49:22 +0000 (21 11:49 +0800)
committerFam Zheng <famz@redhat.com>
Fri, 23 Sep 2016 03:48:32 +0000 (23 11:48 +0800)
tree1f2cdb90fc61df00d0568d2faa123374959e614a
parent28a0cccd544983273c0178e4b198e781cb01e074
docker: Generate /packages.txt in ubuntu image

Put the list of package names in an environment, and output their
package names to the target file in the end.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <1474429768-25027-4-git-send-email-famz@redhat.com>
Reviewed-by: Daniel. P. Berrange <berrange@redhat.com>
tests/docker/dockerfiles/ubuntu.docker