[file-roller] Modernize metainfo file

[Matthias Klumpp <mak src gnome org>]

commit cb97eb6b69c578a3b218e4296856a66882b42a8b
Author: Matthias Klumpp <matthias tenstral net>
Date:   Thu Aug 3 21:02:14 2017 -0400

    Modernize metainfo file

 data/Makefile.am                         |    2 +-
 data/org.gnome.FileRoller.appdata.xml.in |   21 ++++++++++++++++-----
 2 files changed, 17 insertions(+), 6 deletions(-)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index 63b6ecd..50c3323 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -17,7 +17,7 @@ service_DATA = $(service_in_files:.service.in=.service)
 
 gsettings_SCHEMAS = org.gnome.FileRoller.gschema.xml
 
-appdatadir = $(datadir)/appdata
+appdatadir = $(datadir)/metainfo
 appdata_DATA = $(appdata_in_files:.xml.in=.xml)
 appdata_in_files = org.gnome.FileRoller.appdata.xml.in
 
diff --git a/data/org.gnome.FileRoller.appdata.xml.in b/data/org.gnome.FileRoller.appdata.xml.in
index c15a889..b8826a4 100644
--- a/data/org.gnome.FileRoller.appdata.xml.in
+++ b/data/org.gnome.FileRoller.appdata.xml.in
@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Copyright 2014 Richard Hughes <richard hughsie com>
      Copyright 2014 Paolo Bacchilega <paobac src gnome org> -->
-<application>
-  <id type="desktop">org.gnome.FileRoller.desktop</id>
+<component type="desktop-application">
+  <id>org.gnome.FileRoller</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-2.0+</project_license>
+
+  <_name>File Roller</_name>
   <_summary>Open, modify and create compressed archive files</_summary>
   <description>
     <_p>
@@ -21,11 +23,16 @@
       <_li>xz archives (.tar.xz)</_li>
     </ul>
   </description>
+
+  <launchable type="desktop-id">org.gnome.FileRoller.desktop</launchable>
   <url type="homepage">https://wiki.gnome.org/Apps/FileRoller</url>
   <screenshots>
-    <screenshot 
type="default">https://wiki.gnome.org/Apps/FileRoller?action=AttachFile&amp;do=get&amp;target=file-roller.png</screenshot>
+    <screenshot type="default">
+      
<image>https://wiki.gnome.org/Apps/FileRoller?action=AttachFile&amp;do=get&amp;target=file-roller.png</image>
+    </screenshot>
   </screenshots>
-  <updatecontact>paobac_at_src.gnome.org</updatecontact>
+
+  <update_contact>paobac_at_src.gnome.org</update_contact>
   <kudos>
     <kudo>AppMenu</kudo>
     <kudo>HiDpiIcon</kudo>
@@ -35,4 +42,8 @@
   </kudos>
   <project_group>GNOME</project_group>
   <translation type="gettext">file-roller</translation>
-</application>
+
+  <provides>
+    <id>org.gnome.FileRoller.desktop</id>
+  </provides>
+</component>