Hello, (Moving the discussions to guix-devel.)
brendan.tildes...@openmailbox.org skribis: > I was wondering why my pdf documents were getting opened in Gimp by default > instead of Evince, so I investigated xdg-open and found it uses mimeopen as a > fallback, and packaged it. Turns out it didn't make a difference and the > issue was simply that the generated mimedata.cache in xdg-mime-database had > Gimp listed before Evince. Oh, good catch. Profile generation is sensitive to package order; so indeed, if GIMP comes first, it “wins.” > I was also I little confused that xdg-mime-database produces so many > conflicts with shared-mime-info. It's role appears to be to update the data > in shared-mime-data and have it overshadow the original data when conflicts > are resolved during profile generation. Looks ugly seeing all those conflicts > though. I guess it’s OK in that users normally don’t want to install these packages at all, let alone installing both in the same profile. > I had a look at Fedora's version. They just have a single shared-mime-data > package that runs update-mime-database, but also they add a few changes to > make Evince open pdf's instead of Gimp, among other changes. > > This makes me feel that it's desirable for us to also tweak mimedata to make > it more sensible -- Pdf's should open in a pdf reader before it opens in an > image editor. It seems unrealistic to only tweak upstream projects to make > all this mimedata mesh together perfectly to produce ideal default behaviour. Right, so I think the immediate course of action here would be to patch GIMP’s MIME data so that it does not register as a PDF viewer. If we stumble upon other issues like that, we can fix them similarly. How does that sound? Thanks for investigating! Ludo’.
