[packman] obs-studio erroneously provides libvulkan.so.1

[Giacomo Comes]

On Tue, Nov 08, 2022 at 08:58:17PM +0100, Hans-Peter Jansen wrote:
> Hi,
> looking for advise on how to deal with an unpleasant situation:
> Look at the handbrake TW build right now:have choice for libvulkan.so.1()(64bit) needed by libavutil56_70: libvulkan1 obs-studio, have choice for libvulkan.so.1()(64bit) needed by libavfilter7_110: libvulkan1 obs-studio
> and indeed from the obs-studio build:
> [  542s] -- Installing: /home/abuild/rpmbuild/BUILDROOT/obs-studio-28.1.1-0.x86_64/usr/lib64/obs-plugins/libvulkan.so.1
> [  556s] Processing files: obs-studio-28.1.1-0.x86_64[  557s] Provides: application() application(com.obsproject.Studio.desktop) libEGL.so()(64bit) libGLESv2.so()(64bit) libcef.so()(64bit) libobs-frontend-api.so.0()(64bit) libobs-opengl.so.1()(64bit) libobs-scripting.so.1()(64bit) libobs.so.0()(64bit) libobsglad.so.1()(64bit) libvk_swiftshader.so()(64bit) libvulkan.so.1()(64bit) metainfo() metainfo(com.obsproject.Studio.appdata.xml) obs-studio = 28.1.1-0 obs-studio(x86-64) = 28.1.1-0
> Due to the automatic dependency processing, obs-studio now provides a libvulkan.so.1 plugin, which in turn provides libvulkan.so.1()(64bit) on the package, which is kind of silly of course. Sure, this could be solved by within prjconf with:
> Prefer: libvulkan1
> but I would rather like to remove this provides from obs-studio build specifically. Any idea, how to achieve that?

Add in the spec file something like:
%define __provides_exclude ^(libvulcan\\.so.*|libEGL\\.so.*)$

Check the documantation here:
https://docs.fedoraproject.org/en-US/packaging-guidelines/AutoProvidesAndRequiresFiltering/

Regards,
Giacomo

> Cheers,Pete--Life without chameleons is possible, but pointless.
> 
> 
> 
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