Code review comment for lp:~axwalk/juju-core/lp1233924-simplestreams-getmetadata-fallback

Fine with the idea, I think the implementation's in the wrong place.

https://codereview.appspot.com/14218044/diff/6001/environs/simplestreams/simplestreams.go
File environs/simplestreams/simplestreams.go (right):

https://codereview.appspot.com/14218044/diff/6001/environs/simplestreams/simplestreams.go#newcode406
environs/simplestreams/simplestreams.go:406: if err == nil && len(items)
!= 0 {
I'm not sure this is the right place for it -- it's a hack-on-a-hack,
instead of removing the original hack in getmaybeSignedMetadata that
replaces errors with nil.

https://codereview.appspot.com/14218044/