[rhythmbox/wip/hadess/post-install] build: Update icon cache and schemas on install

[Bastien Nocera <hadess src gnome org>]

commit 86a8bd4a6e13edf653218cd4bdcf87e85b5fc23e
Author: Bastien Nocera <hadess hadess net>
Date:   Tue May 3 11:46:13 2022 +0200

    build: Update icon cache and schemas on install

 meson.build           |  2 ++
 meson_post_install.py | 15 +++++++++++++++
 2 files changed, 17 insertions(+)
---
diff --git a/meson.build b/meson.build
index 0a40c47c9..972a20108 100644
--- a/meson.build
+++ b/meson.build
@@ -269,6 +269,8 @@ pkg.generate(
   ]
 )
 
+meson.add_install_script('meson_post_install.py')
+
 configure_file(input : 'config.h.meson',
   output : 'config.h',
 configuration : cdata)
diff --git a/meson_post_install.py b/meson_post_install.py
new file mode 100644
index 000000000..bf320a9dc
--- /dev/null
+++ b/meson_post_install.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+
+install_prefix = os.environ['MESON_INSTALL_PREFIX']
+icondir = os.path.join(install_prefix, 'share', 'icons', 'hicolor')
+schemadir = os.path.join(install_prefix, 'share', 'glib-2.0', 'schemas')
+
+if not os.environ.get('DESTDIR'):
+  print('Update icon cache...')
+  subprocess.call(['gtk-update-icon-cache', '-f', '-t', icondir])
+
+  print('Compiling gsettings schemas...')
+  subprocess.call(['glib-compile-schemas', schemadir])