add appdata validation to tests + fix appdata

.github/workflows/spot-main.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Install system dependencies
       run: |
         sudo apt update -q
-        sudo apt install -y build-essential pkg-config meson libssl-dev libglib2.0-dev-bin libgtk-3-dev libasound2-dev libpulse-dev
+        sudo apt install -y build-essential appstream-util pkg-config meson libssl-dev libglib2.0-dev-bin libgtk-3-dev libasound2-dev libpulse-dev
 
     - name: Build
       run: meson target -Dbuildtype=debug -Doffline=false && ninja -C target

data/dev.alextren.Spot.appdata.xml

@@ -37,7 +37,7 @@
         </p>
         <ul>
           <li>improved playlist widget, added menu to jump from "Now playing" to related albums</li>
-          <li>added in-app notifications for <i>some</i> errors</li>
+          <li>added in-app notifications for some errors</li>
         </ul>
         <p>Fixes:</p>
         <ul>

data/meson.build

@@ -3,15 +3,15 @@ install_data('dev.alextren.Spot.desktop',
 )
 
 install_subdir('hicolor',
-  install_dir: join_paths(get_option('datadir'), 'icons')
+  install_dir: get_option('datadir') / 'icons'
 )
 
 install_data('dev.alextren.Spot.appdata.xml',
-  install_dir: join_paths(get_option('datadir'), 'appdata')
+  install_dir: get_option('datadir') / 'appdata'
 )
 
 install_data('dev.alextren.Spot.gschema.xml',
-  install_dir: join_paths(get_option('datadir'), 'glib-2.0/schemas')
+  install_dir: get_option('datadir') / 'glib-2.0/schemas'
 )
 
 compile_schemas = find_program('glib-compile-schemas', required: false)
@@ -20,3 +20,12 @@ if compile_schemas.found()
     args: ['--strict', '--dry-run', meson.current_source_dir()]
   )
 endif
+
+appstream_util = find_program('appstream-util', required: false)
+if appstream_util.found()
+  test(
+    'Validate appstream appdata', 
+    appstream_util,
+    args: ['validate-relax', meson.current_source_dir() / 'dev.alextren.Spot.appdata.xml']
+  )
+endif