[Pkg-haskell-maintainers] Bug#768226: ghc-mod-el: fails to upgrade from 'wheezy' - trying to overwrite /usr/share/emacs/site-lisp/ghc-mod/ghc.el

[Andreas Beckmann]

Package: ghc-mod-el
Version: 5.2.1.1-1
Severity: serious
User: debian-qa at lists.debian.org
Usertags: piuparts

Hi,

during a test with piuparts I noticed your package fails to upgrade from
'wheezy'.
It installed fine in 'wheezy', then the upgrade to 'sid' fails
because it tries to overwrite other packages files without declaring a
Breaks+Replaces relation.

See policy 7.6 at
http://www.debian.org/doc/debian-policy/ch-relationships.html#s-replaces

>From the attached log (scroll to the bottom...):

  Selecting previously unselected package ghc-mod-el.
  Unpacking ghc-mod-el (from .../ghc-mod-el_5.2.1.1-1_all.deb) ...
  dpkg: error processing /var/cache/apt/archives/ghc-mod-el_5.2.1.1-1_all.deb (--unpack):
   trying to overwrite '/usr/share/emacs/site-lisp/ghc-mod/ghc.el', which is also in package ghc-mod 1.10.18-1
  Errors were encountered while processing:
   /var/cache/apt/archives/ghc-mod-el_5.2.1.1-1_all.deb


cheers,

Andreas
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