why are old versions not available anymore when pushing a new version with snappy-remote?

[Michael Vogt]

Hi Patrick,

On Fri, Dec 12, 2014 at 04:53:06PM -0800, Patrick Chanezon wrote:
[..]
> xkcd-webserver  edge  0.3.4      -          37ebfa3c31eebe  *
> 
> Why is version 0.3.3 not available on anymore?
> How do you deploy snaps in a way that lets you roll back, without
> registering a package in Ubuntu registry?

Thanks for pointing this out, the app rollback experience is not
optimal right now. I see two issues here, one is that our app garbage
collector is too aggressive, i.e. when you install 0.3.4 it should
keep the local 0.3.3. I filed bug #1402534 for this. The other is that
snappy install should support giving it a version or a hash to select
a specific version from the store to install. I created bug #1402536
for this.

As a workaround, in order to rollback you will have to uninstall 0.3.4
and then snappy install should pick 0.3.3 from the store again.

Cheers,
 Michael