[Pkg-roundcube-maintainers] Bug#810980: Bug#810980: roundcube-plugins: upgrade from wheezy to jessie fails with dpkg error: command dir_to_symlink is unknown

Vincent Bernat bernat at debian.org
Fri Jan 15 08:04:14 UTC 2016

 ❦ 14 janvier 2016 14:37 +0100, s.bator at travelaudience.com :

> when upgrading from wheezy to jessie the installation of
> roundcube-plugins fails with:
> dpkg-maintscript-helper: error: command dir_to_symlink is unknown
> Hint: upgrading dpkg to a newer version might help.
> Installing dpkg-dev after changing the sources to jessie helped and the
> installation finished. This seams to be the same problem as in Debian
> Bug 749931.

Yes, on wheezy, dpkg >= 1.17.14 is not available. We should have added
the Pre-Depends to not be caught with that problem. I am adding it
now. However, it won't solve your problem (only upgrade problems from
wheezy to jessie). I don't have much idea about what to do in backports
without doing a lot of stuff manually.

It's a bit odd that installing dpkg-dev would solve anything. I just
think that this part of the script is ignored as the package already
believes it is at the right version. Installing anything else could have
solved the problem too.
Use the fundamental control flow constructs.
            - The Elements of Programming Style (Kernighan & Plauger)
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