[appimage/stderr] WARNING: AppStream upstream metadata is missing, please consider creating it
[appimage/stderr] in usr/share/metainfo/org.naev.naev.appdata.xml
[appimage/stderr] Please see https://www.freedesktop.org/software/appstream/docs/chap-Quickstart.html#sect-Quickstart-DesktopApps
[appimage/stderr] for more information or use the generator at http://output.jsbin.com/qoqukof.
I get a warning when building if AppStream metadata is named
%{id}.metainfo.xmlinstead of%{id}.appdata.xml.The page that message links to even suggests the use of
%{id}.metainfo.xmlhttps://www.freedesktop.org/software/appstream/docs/chap-Quickstart.html#sect-Quickstart-DesktopApps