Re: Proper dependency on essential package (dpkg) for preinst
Am 28.05.2009 um 20:16 schrieb Helge Kreutzmann:
> On Thu, May 28, 2009 at 07:53:36PM +0200, Sven Joachim wrote:
>> I don't know why this preinst script is necessary, but if you need to
>> insure that the new update-alternatives script is run in it, you have to
>> use Pre-Depends rather than Depends. See Policy § 7.2.
> Thanks, I missed the last paragraph previously.
> The reason is the following in the preinst (which I inherited, so if
> it is wrong, I gladly rewrite/improve):
> case "$1" in
> if ! LC_ALL=C update-alternatives --display asclock 2>&1 | grep 'error: no alternatives' > /dev/null ; then
> update-alternatives --auto asclock
> update-alternatives --remove asclock $asclock-4bpp
> update-alternatives --remove asclock $asclock-8bpp
> update-alternatives --remove asclock $asclock-24bpp
> echo "asclock preinst called with an unkown argument: $1" >&2
> exit 1
Looking at old asclock versions on archive.debian.net, these lines have
been around at least since potato. So I think you can safely assume
that the asclock alternatives do not exist anymore and simply ditch the
preinst script altogether.
While we're at it: the prerm script is also cruft.