Use github actions for CI builds.

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  build:
+    uses: linuxmint/github-actions/.github/workflows/do-builds.yml@master
+    with:
+      commit_id: master
+      ############################## Comma separated list - like 'linuxmint/xapp, linuxmint/cinnamon-desktop'
+      dependencies:
+      ##############################
+

README.md

@@ -1,3 +1,5 @@
+![build](https://github.com/linuxmint/xapp/actions/workflows/build.yml/badge.svg)
+
 This project gathers the components which are common to multiple GTK desktop environments (Cinnamon, MATE and Xfce) and required to implement cross-DE solutions.
 
 # libxapp

debian/control

@@ -19,7 +19,6 @@ Build-Depends:
  libxkbfile-dev,
  meson,
  python3,
- python3-gi,
  python-gi-dev,
  valac,
 Standards-Version: 3.9.6

pygobject/meson.build

@@ -4,10 +4,11 @@ pygobject = dependency('pygobject-3.0',
 )
 
 override_dir = get_option('py-overrides-dir')
-exec = find_program(['python3', 'python'])
 
 if override_dir == ''
-    r = run_command(exec, '-c', 'import gi;print(gi._overridesdir)')
+    exec = find_program(['python3', 'python'])
+
+    r = run_command(exec, '-c', 'import gi;print(gi._overridesdir)', check: false)
 
     if r.returncode() != 0
          error('Error getting the GObject Introspection override directory: ' + r.stderr())
@@ -16,6 +17,8 @@ if override_dir == ''
     override_dir = r.stdout().strip()
 endif
 
+message('PyGObject overrides dir: ' + override_dir)
+
 install_data(['XApp.py'],
     install_dir: override_dir,
 )