Add AppData file

[alexanderW2]

Shipping this file in Linux packages has the advantage that 0 A.D. is presented in a much slicker way than otherwise. It will look roughly like this: ​http://jimmac.musichall.cz/stuff/gnome3/Software/app.html

Spec: ​http://people.freedesktop.org/~hughsient/appdata/

AppData file: ​https://github.com/hughsie/fedora-appstream/blob/master/appdata-extra/desktop/0ad.appdata.xml

[Marcio]

Spam? For me this don't have sense. Is cross platform program. And I don't get why you add this app and how can work with 0 AD.

[alexanderW2]

Why spam?

Add which app?

[sanderd17]

@Lion, this is no spam. I do wonder if we need it though.

But I do wonder where this data is used (what distro/software center combination).

Your example file looks nice, what would be an appropriate place to store it you think?

[Marcio]

Ok. Was weird only. Unknow user, application for Linux. And non clearly explanation. But I'm. Not programmer and Linux user. That's why ask.

[Marcio]

In last days. Some user uses the trac to propose ideas, the trac is when we are sure of anything. But is preferable explain into Community's forum.

[alexanderW2]

Every program that makes use of AppStream will need the file (​http://en.wikipedia.org/wiki/AppStream). Gnome's Software center, KDE's Apper and Ubuntu's Software Center can use it. That'd at least cover Fedora, Ubuntu and Suse.

/docs looks like the appropriate directory. It should be installed to /usr/share/appdata/0ad.appdata.xml

[philip]

In 13986:

Add AppData file, for use by some Linux package installers.

Fixes #2202.

[Philip Taylor]

Thanks! I committed it in build/resources/0ad.appdata.xml (alongside 0ad.desktop). I guess someone will need to ask the relevant Linux distro package maintainers to install it to the right place.

[alexanderW2]

Nice. I mailed the package maintainer for Fedora.