[gnome-mahjongg] meson: fixed postinstall options

[Alberto Ruiz <aruiz src gnome org>]

commit 686b7e33d13465086757d8e11b32c3cd1098cc95
Author: Günther Wagner <info gunibert de>
Date:   Thu Nov 25 22:40:52 2021 +0100

    meson: fixed postinstall options
    
    Additionally i added a missing tileset. Probably an oversight as this was originally in 
gnome-games-extra-data

 data/meson.build  | 30 +++++++-----------------------
 meson.build       |  2 +-
 meson_options.txt |  2 --
 3 files changed, 8 insertions(+), 26 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 8325c1b..0e0beb7 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -5,21 +5,15 @@ install_data ('icons' / 'hicolor' / 'scalable' / 'org.gnome.Mahjongg.svg',
 install_data ('icons' / 'hicolor' / 'symbolic' / 'org.gnome.Mahjongg-symbolic.svg',
               install_dir: hicolordir / 'symbolic' / 'apps')
 
-schemasdir = gio_dep.get_pkgconfig_variable(
-  'schemasdir',
-  define_variable : [
-    'datadir',
-    get_option('datadir')
-  ]
-)
-
 install_data ('org.gnome.Mahjongg.gschema.xml',
-              install_dir: schemasdir)
+  install_dir: join_paths(get_option('datadir'), 'glib-2.0/schemas')
+)
 
 install_data ('mahjongg.map', install_dir: join_paths (pkgdatadir, 'maps'))
 install_data ('postmodern.svg', install_dir: join_paths (pkgdatadir, 'themes'))
 install_data ('smooth.png', install_dir: join_paths (pkgdatadir, 'themes'))
 install_data ('edu_kang_xi.png', install_dir: join_paths (pkgdatadir, 'themes'))
+install_data ('maya.png', install_dir: join_paths (pkgdatadir, 'themes'))
 
 desktop_file = i18n.merge_file (
   'desktop-file',
@@ -64,20 +58,10 @@ resources = gnome.compile_resources ('resources', 'org.gnome.Mahjongg.gresource.
                                      source_dir: '.',
                                      c_name: 'resources')
 
-# Compile GSettings schemas
-
-if get_option('compile-schemas').enabled()
-  compileschemas = gio_dep.get_pkgconfig_variable('glib_compile_schemas')
-  meson.add_install_script(compileschemas, get_option('prefix') / schemasdir)
-endif
-
-# Rebuild icon cache
-
-if get_option('update-icon-cache').enabled()
-  updateiconcache = find_program('gtk-update-icon-cache')
-  meson.add_install_script(updateiconcache.path(), '-t', '-f', get_option('prefix') / hicolordir / 
'scalable')
-  meson.add_install_script(updateiconcache.path(), '-t', '-f', get_option('prefix') / hicolordir / 
'symbolic')
-endif
+gnome.post_install(
+  glib_compile_schemas: true,
+  gtk_update_icon_cache: true,
+)
 
 # Make D-Bus activatable
 service_conf = configuration_data()
diff --git a/meson.build b/meson.build
index be16c59..27e3b29 100644
--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,7 @@ project ('gnome-mahjongg', ['vala', 'c'],
              'warning_level=1',
              'buildtype=debugoptimized',
          ],
-         meson_version: '>= 0.49.0')
+         meson_version: '>= 0.57.0')
 
 gnome = import ('gnome')
 i18n = import ('i18n')