[gnome-software] Add a GSetting key to override the default popular applications

[Richard Hughes <rhughes src gnome org>]

commit 82a7021bebc9a79d0cfc45af55cd357a12e1bcb0
Author: Richard Hughes <richard hughsie com>
Date:   Thu Sep 17 14:14:23 2015 +0100

    Add a GSetting key to override the default popular applications
    
    This allows Fleet Commander to over-write the list for corporate builds.

 data/org.gnome.software.gschema.xml |    5 +++++
 src/plugins/gs-plugin-moduleset.c   |   29 ++++++++++++++++++++++++-----
 2 files changed, 29 insertions(+), 5 deletions(-)
---
diff --git a/data/org.gnome.software.gschema.xml b/data/org.gnome.software.gschema.xml
index 1598762..fe43cb8 100644
--- a/data/org.gnome.software.gschema.xml
+++ b/data/org.gnome.software.gschema.xml
@@ -24,6 +24,11 @@
       <summary>Non-free applications show a warning dialog before install</summary>
       <description>When non-free applications are installed a warning dialog can be shown. This controls if 
that dialog is supressed.</description>
     </key>
+    <key name="popular-overrides" type="as">
+      <default>[]</default>
+      <summary>A list of popular applications</summary>
+      <description>A list of applications to use, overriding the system defined ones.</description>
+    </key>
     <key name="extra-sources" type="as">
       <default>[]</default>
       <summary>The list of extra sources that have been previously enabled</summary>
diff --git a/src/plugins/gs-plugin-moduleset.c b/src/plugins/gs-plugin-moduleset.c
index 11b807f..ff3bbf9 100644
--- a/src/plugins/gs-plugin-moduleset.c
+++ b/src/plugins/gs-plugin-moduleset.c
@@ -188,6 +188,28 @@ gs_plugin_add_category_apps (GsPlugin *plugin,
 }
 
 /**
+ * gs_plugin_moduleset_get_popular:
+ */
+static gchar **
+gs_plugin_moduleset_get_popular (GsPlugin *plugin)
+{
+       g_autoptr(GSettings) settings = NULL;
+       g_auto(GStrv) apps = NULL;
+
+       /* debugging only */
+       if (g_getenv ("GNOME_SOFTWARE_POPULAR"))
+               return g_strsplit (g_getenv ("GNOME_SOFTWARE_POPULAR"), ",", 0);
+
+       /* are we using a corporate build */
+       settings = g_settings_new ("org.gnome.software");
+       apps = g_settings_get_strv (settings, "popular-overrides");
+       if (g_strv_length (apps) > 0)
+               return g_strdupv (apps);
+
+       return gs_moduleset_get_popular_apps (plugin->priv->moduleset);
+}
+
+/**
  * gs_plugin_add_popular:
  */
 gboolean
@@ -208,11 +230,8 @@ gs_plugin_add_popular (GsPlugin *plugin,
                        return FALSE;
        }
 
-       if (g_getenv ("GNOME_SOFTWARE_POPULAR")) {
-               apps = g_strsplit (g_getenv ("GNOME_SOFTWARE_POPULAR"), ",", 0);
-       } else {
-               apps = gs_moduleset_get_popular_apps (plugin->priv->moduleset);
-       }
+       /* get popular apps based on various things */
+       apps = gs_plugin_moduleset_get_popular (plugin);
        if (apps == NULL) {
                g_set_error (error,
                             GS_PLUGIN_ERROR,