juju/juju — pull request #1001 by wallyworld (2014-10-30 13:48:24+00:00)
Title: generate-tools now merges metadata from different streams

Fixes: https://bugs.launchpad.net/juju-core/+bug/1386509

juju metadata generate-tools creates simplestreams metadata for tools tarballs.
When run more than once, it now appends any new metadata for a new stream to the existing metadata.