register the openra:// protocol to join games

Makefile

@@ -394,6 +394,7 @@ install-linux-mime:
 	@$(INSTALL_DATA) packaging/linux/openra-mimeinfo.xml "$(DESTDIR)$(datadir)/mime/packages/openra.xml"
 
 	@$(INSTALL_DIR) "$(DESTDIR)$(datadir)/applications"
+	@$(INSTALL_DATA) packaging/linux/openra-join-servers.desktop "$(DESTDIR)$(datadir)/applications"
 	@$(INSTALL_DATA) packaging/linux/openra-replays.desktop "$(DESTDIR)$(datadir)/applications"
 
 install-linux-appdata:

packaging/linux/openra-join-servers.desktop

@@ -0,0 +1,12 @@
+[Desktop Entry]
+Type=Application
+Version=1.0
+Name=OpenRA
+GenericName=Real Time Strategy Game
+Comment=Reimagining of early Westwood Games
+Icon=openra
+Exec=openra Launch.URI=%U
+Terminal=false
+NoDisplay=true
+Categories=Game;StrategyGame;
+MimeType=x-scheme-handler/openra;

packaging/linux/openra-mimeinfo.xml

@@ -8,4 +8,11 @@
     <glob weight="60" pattern="*.orarep"/>
   </mime-type>
 
+  <mime-type type="x-scheme-handler/openra">
+    <icon name="openra" />
+    <generic-icon name="applications-games"/>
+    <comment>OpenRA connect to server scheme</comment>
+    <glob weight="60" pattern="openra://*"/>
+  </mime-type>
+
 </mime-info>