build: Include UUID suffix in classic mode description

The shortnames we use elsewhere don't match the actual UUID, so we
effectively don't enable any extensions in classic mode at the moment.

https://gitlab.gnome.org/GNOME/gnome-shell-extensions/issues/45

data/meson.build

@@ -13,8 +13,13 @@ foreach s : sessions
   )
 endforeach
 
+classic_uuids = []
+foreach e : classic_extensions
+    classic_uuids += e + uuid_suffix
+endforeach
+
 mode_conf = configuration_data()
-mode_conf.set('CLASSIC_EXTENSIONS', '"' + '", "'.join(classic_extensions) + '"')
+mode_conf.set('CLASSIC_EXTENSIONS', '"' + '", "'.join(classic_uuids) + '"')
 
 mode_file = 'classic.json'
 configure_file(

extensions/meson.build

@@ -4,7 +4,7 @@ js_sources = extensionlib
 metadata_name = 'metadata.json'
 
 foreach e : all_extensions
-  uuid = e + '@gnome-shell-extensions.gcampax.github.com'
+  uuid = e + uuid_suffix
 
   metadata_conf = configuration_data()
   metadata_conf.set('extension_id', e)

meson.build

@@ -32,6 +32,8 @@ else
   shell_version = '.'.join(ver_arr)
 endif
 
+uuid_suffix = '@gnome-shell-extensions.gcampax.github.com'
+
 classic_extensions = [
   'alternate-tab',
   'apps-menu',