Hi,
So I've noticed that my backups haven't been run for several weeks
because vorta didn't start up because wayland. (I should make an
automated check for that...)
Therefore, I made a script to find all similarly broken packages, which
are:
Packages that use qt but (don't use qtwayland or don't use
qt-build-system).
Because qt-build-system does the automatic wrapping of the programs in
bin (and cmake-build-system doesn't).
And qtwayland... supports wayland in qt.
I also attached the output of the script run (qt-wayland-packages.txt).
For all those packages, let's slowly add qtwayland-5 (or whatever is
appropriate) as an input--and also switch them to qt-build-system if
they use cmake-build-system now.
Ideally, you would do that if you are using the package yourself. That
way, you can also test it without undue burden to you (by setting the
environment variable QT_QPA_PLATFORM=wayland you can make sure that qt
tries to use wayland). I say that because in the case of vorta, adding
qtwayland is not enough since the qt-wrap phase doesn't wrap
already-wrapped files, so since python already wrapped a file, it won't
be qt-enabled and thus will not work. So one has to test it.
My script is not (yet) smart enough to only include packages that have
something in /bin in the installation [1]. Nevertheless, I would
suggest not to add qtwayland to library packages but only to packages
which contain programs.
I would like such a script to be a permanent feature in CI, checking
periodically once a week or something. CI because (AFAIK) you have to
build the packages so you know whether they have something in /bin, and
because it includes KDE. We should also have a guix lint thing.
(Alternatively, we could make qtbase propagate qtwayland or something.
That would cause a cyclic dependency, so we would need a
qtbase-bootstrap package or directly bundle qtwayland with qtbase or
something)
(Alternatively, we could add qtwayland to all the package as
propagated-input. I'm against that since it will be bound to conflict if
you nest environments and since it's an implementation detail)
(Alternatively, we could make the user add qtwayland to their guix home
configuration (or guix system configuration, hell no). I'm against that
since it will be bound to conflict if you nest environments and since
it's an implementation detail)
WDYT?
[1] I do have the equivalent of the following running... but it's gonna
take a while:
for s in $(guix build $(cat qtwayland-packages.txt))
do
if [ -d "${s}/bin" ]
then
echo "$s"
fi
done
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(use-modules (guix packages)
(gnu packages)
(guix build-system qt)
(srfi srfi-1)
(ice-9 match))
(define qt-inputs?
(lambda (pkg)
(or (find (match-lambda
((name dependency rest ...)
(and (package? dependency)
(string-prefix?
"qt"
(package-name dependency)))))
(append
(package-inputs pkg)
(package-propagated-inputs pkg))))))
(define qt5-inputs?
(lambda (pkg)
(or (find (match-lambda
((name dependency rest ...)
(and (package? dependency)
(and (string-prefix? "qt" (package-name dependency))
(string-prefix? "5" (package-version dependency))))))
(append
(package-inputs pkg)
(package-propagated-inputs pkg))))))
(define qtwayland-inputs?
(lambda (pkg)
(or (find (match-lambda
((name dependency rest ...)
(and (package? dependency)
(string-contains
(package-name dependency)
"qtwayland"))))
(append
(package-inputs pkg)
(package-propagated-inputs pkg))))))
(define qt-build-system?
(lambda (pkg)
(eq? (package-build-system pkg)
qt-build-system)))
(for-each
(lambda (pkg)
(format #t "~a@~a~%" (package-name pkg) (package-version pkg)))
(filter (lambda (pkg)
(and (qt-inputs? pkg)
(or (not (qtwayland-inputs? pkg))
(not (qt-build-system? pkg)))))
(fold-packages cons '())))