I'm looking into a bug filed against one of my applications (BZ:
https://bugzilla.redhat.com/show_bug.cgi?id=1330096). The complaint is
that the gnome-software application picks up the xiphos-common package
when the user tries to install from there, rather than picking up the
actual GUI packages (which are available as xiphos-gtk2 and
xiphos-gtk3).
I need some advice on the proper way to handle this. First, a little
explanation of the three packages.
Upstream Xiphos includes some support for building against GTK3 but
has no intention of moving to that for its primary support on its
current roadmap. Thus, there are occasionally bugs against the GTK3
build that are left as low-priority tasks - sometimes these will
render the GTK3 build completely unusable. Thus, upstream recommends
building only against GTK2.
To satisfy both camps, and to allow ease of bug reporting (i.e.
identifying if the bug is a regression in GTK3 interfaces vs a bug in
Xiphos) and for various other reasons, both xiphos-gtk{2,3} were made
available. There are a small number of static or data files which can
be shared between the two builds - translations, etc. These are
packaged as xiphos-common, which is a dep of both the binary packages.
One of those files that is shared between the two is the
%{_datadir}/appdata/xiphos.appdata.xml, which appears to be what
triggers gnome-software to consider a particular package the GUI
app-containing package that ought to be installed.
What is the proper way for me to resolve the install issue with
gnome-software? I don't feel like moving the xiphos.appdata.xml file
is appropriate in this case. The two binary packages are the same
application. Setting a hard dep from xiphos-common to either binary
package would create a cyclic dependency - not that this would
necessarily be the end of the world, but I don't want to just assume
that is appropriate behavior. Is there a way for me to indicate that
installing xiphos-common requires at least one of xiphos-gtk{2,3} be
installed but which does not create a cyclic dependency? Is a
"Recommends" line the appropriate way to go (and would gnome-software
pick up on that recommendation?).
I need a little guidance here. My Google skills didn't turn up any
clear answers to this particular predicament.
--Greg
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