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On 14-04-10 02:19 PM, John Meinel wrote:
> So Juju would certainly let you run an older binary, and it would, 
> indeed, switch to that binary.

Phew!

> I would be ok with allowing downgrades within a PATCH level, but I
> think it still holds true that downgrades are very untested, and
> downgrading across a MINOR version is almost definitely always
> going to do something bad.

Downgrades within a patchlevel are *very* tested, by CI :-)

> That said, I think for CI getting bootstrap to target an explicit 
> version is far better than bootstrapping to the latest trunk, and
> then downgrading.

+1

> I would be willing to compromise in the short term by adjusting the
> "refuse to downgrade" to only refuse to change Major.Minor 
> versions. It still fixes the existing bug, and would let CI
> continue.

Thanks.  That seems like a good short-term solution.

Aaron
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