On Fri, Oct 16, 2009 at 14:58, Marius Vollmer <[email protected]> wrote:
> ext Thomas Perl <[email protected]> writes:
>
>> I don't really know much about dpkg internals, but maybe it would be
>> possible for maemo-optify to add a small script to postinst that will do
>> something like this (in pseudocode):
>>
>> for each (symlinkname in the package) do
>> if (symlinkname points to /opt) and (symlinkname is a directory) then
>> if (symlinkname is an empty directory) then
>> remove directory, recreate correct symlink
>> else
>> create symlinks inside the directory
>> endif
>> endif
>> endfor
So, the problem with this is removing content underneath that dir
installed by something else.
> What about a slight variation:
>
> for each (symlinkname in the package) do
> if (symlinkname should point to /opt) and (symlinkname is a directory) then
> cp -a symlinkname/* to /opt/maemo/symlinkname/
> rm -rf symlinkname
> ln -s /opt/maemo/symlinkname symlinkname
> endif
> endfor
>
> This would migrate the existing files and would establish a symlink
> structure that matches what is in the package.
So, let's imagine:
mygame_0.0.1 has /usr/share/mygame/
mygame-extras_0.0.1 has /usr/share/mygame/extras.xml
mygame_0.0.2 has /usr/share/mygame -> /opt/maemo/usr/share/mygame/
When mygame v0.0.2 is installed, what will happen when
mygame-extras_0.0.1 is uninstalled? Is dpkg clever enough to follow
the /usr/share/mygame symlink and delete
/opt/maemo/usr/share/mygame/extras.xml?
> (What a hack.)
Yeah, but not entirely unelegant ;-)
Cheers,
Andrew
--
Andrew Flegg -- mailto:[email protected] | http://www.bleb.org/
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