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Bug#802919: marked as done (unison: synchronization incompatibility when built with Ocaml versions pre/post-4.02)

Your message dated Mon, 25 Nov 2019 11:39:15 +0100
with message-id <b69b89b1-feb8-30de-5806-f33476abf70d@debian.org>
and subject line Re: unison: synchronization incompatibility when built with Ocaml versions pre/post-4.02
has caused the Debian Bug report #802919,
regarding unison: synchronization incompatibility when built with Ocaml versions pre/post-4.02
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
802919: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=802919
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: unison
Version: 2.48.3-1
Severity: normal

Dear Maintainer,

Since ocaml 4.02 recently entered unstable, I thought it might be a
good time to bring up this issue (I haven't seen it discussed in
another bug).

Due to a change in ocaml's serialization format, unison built with an
ocaml pre-4.02 can't synchronize with one built with 4.02 and
later. This causes a compatibility mess, since the usual requirement
that both endpoints must have the same unison version is no longer
sufficient: they now have to have both the same unison version *and*
be built by compatible versions of ocaml, either both pre-4.02 or both
post-4.02.

There is some discussion on the unison-users list here:
http://marc.info/?l=unison-users&m=142286809310149&w=2

I am not sure what the best solution is. For the near-term future,
there will probably be a significant number of installations needing
both to be available. For example any Debian stable server will be
using the pre-4.02 unison for some time to come. But anyone using
unison on OSX via Homebrew, Macports, or pkgsrc already needs a
post-4.02 version to sync with.

-Mark

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.2.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages unison depends on:
ii  libc6  2.19-22

Versions of packages unison recommends:
ii  openssh-client [ssh-client]  1:6.9p1-2

Versions of packages unison suggests:
pn  unison-all  <none>

-- no debconf information

--
Mark J. Nelson
Anadrome Research
http://www.anadrome.org

--- End Message ---
--- Begin Message --- 
tags 802919 + upstream wontfix
thanks

I think everything has been said about this bug, hence closing.


Cheers,

-- 
Stéphane

--- End Message ---
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