Bug#620822: mod_perl is not re-enabled when removing and re-installing the same version

[gregor herrmann]

On Sat, 05 Jan 2013 15:08:25 +0000, Dominic Hargreaves wrote:

> On Mon, Apr 04, 2011 at 02:39:06PM +0200, David Cho-Lerat wrote:
> > libapache2-mod-perl2.postinst says :
> > 
> > if [ "$1" = "configure" ] && [ -z "$2" ]; then
> >         a2enmod perl || true
> > fi
> > 
> > so if one removes (without purging) the package and then
> > re-installs it with the same version, $2 is not empty -
> > hence "a2enmod perl" is not be called, and mod_perl is
> > not automatically re-enabled.
> 
> I agree that this is a bug.
> 
> > I suggest that
> > 
> > && [ -z "$2" ]
> > 
> > be removed, as "a2enmod perl || true" should be called
> > in any case.
> 
> But I don't agree with this fix, as it will cause upgrades to always
> enable the module, even if was previously disabled by the system
> administrator. I don't see OTTOMH what the correct fix is, although I
> expect that it will be easily discovered by looking at similar postinst
> scripts.

Maybe something like what Andreas proposed in
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=688435#27

Cheers,
gregor
 
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