$ git clone -n https://src.fedoraproject.org/rpms/kf5-kwindowsystem.git /var/lib/mock/f37-build-677819-76322/root/chroot_tmpdir/scmroot/kf5-kwindowsystem
Cloning into '/var/lib/mock/f37-build-677819-76322/root/chroot_tmpdir/scmroot/kf5-kwindowsystem'...
$ git reset --hard cef419df45ba3282cf2f325386f80188b20df90f
HEAD is now at cef419d 5.99.0