The protocol uses OCaml’s marshalling library to bundle up complex data
structures into compact binary objects for transfer over the wire.
Between 4.02.1 and 4.02.2 there was an incompatible change in this
library.  This is the first time this has happened, and I hope it will
be the last.

    - B


> On Jun 1, 2016, at 5:38 AM, Andreas L <[email protected]> wrote:
> 
> If the unison *protocol* depends on the ocaml-version that seems like a
> bug to me - it's like as if the plain http depended on the c-compiler
> that compiled the browser... :-(
> 
> -- 
> You received this bug notification because you are subscribed to unison
> in Ubuntu.
> https://bugs.launchpad.net/bugs/1568459
> 
> Title:
>  unison incompatible with older ubuntu/debian versions
> 
> Status in unison package in Ubuntu:
>  Confirmed
> 
> Bug description:
>  Hi,
> 
>  16.04 comes with a new version of unison, which is great.
> 
>  Unfortunately, it comes just with that new version, not older ones.
>  Unison can synchronize only with precisely the same version on the
>  peer, not interact with others. Therefore a 16.04 machine cannot sync
>  to any older linux (ubuntu,debian,...), especially not to servers
>  running 14.04.
> 
>  Older versions of ubuntu therefore came with different versions of
>  unison, i.e. at least the version of the last LTS version to keep it
>  functional and to have new clients work with older (but still
>  supported) LTS servers.
> 
>  ProblemType: Bug
>  DistroRelease: Ubuntu 16.04
>  Package: unison 2.48.3-1ubuntu1
>  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
>  Uname: Linux 4.4.0-18-generic x86_64
>  ApportVersion: 2.20.1-0ubuntu1
>  Architecture: amd64
>  CurrentDesktop: LXDE
>  Date: Sun Apr 10 10:20:04 2016
>  Dependencies:
>   gcc-6-base 6-20160405-0ubuntu1
>   libc6 2.23-0ubuntu2
>   libgcc1 1:6-20160405-0ubuntu1
>  SourcePackage: unison
>  UpgradeStatus: Upgraded to xenial on 2016-04-06 (4 days ago)
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/unison/+bug/1568459/+subscriptions

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1568459

Title:
  unison incompatible with older ubuntu/debian versions

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/unison/+bug/1568459/+subscriptions

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