[gnome-control-center] info: Add distro information

[Bastien Nocera <hadess src gnome org>]

commit 6ca822940a4a1ab55a19e280a79e1ef87f048884
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Nov 24 14:01:59 2012 -0500

    info: Add distro information
    
    This shows the name of the release in addition to 32/64-bit.
    https://bugzilla.gnome.org/show_bug.cgi?id=688957

 panels/info/cc-info-panel.c |   38 +++++++++++++++++++++++++++++++++++---
 panels/info/info.ui         |    2 +-
 2 files changed, 36 insertions(+), 4 deletions(-)
---
diff --git a/panels/info/cc-info-panel.c b/panels/info/cc-info-panel.c
index d2225dd..9df67ee 100644
--- a/panels/info/cc-info-panel.c
+++ b/panels/info/cc-info-panel.c
@@ -569,15 +569,47 @@ static char *
 get_os_type (void)
 {
   int bits;
+  char *buffer;
+  char *name;
+  char *result;
+
+  name = NULL;
+
+  if (g_file_get_contents ("/etc/os-release", &buffer, NULL, NULL))
+    {
+       char *start, *end;
+
+       start = end = NULL;
+       if ((start = strstr (buffer, "PRETTY_NAME=\"")) != NULL)
+         {
+           start += strlen ("PRETTY_NAME=\"");
+           end = strchr (start, '"');
+         }
+
+       if (start != NULL && end != NULL)
+         {
+           name = g_strndup (start, end - start);
+         }
+
+       g_free (buffer);
+    }
 
   if (GLIB_SIZEOF_VOID_P == 8)
     bits = 64;
   else
     bits = 32;
 
-  /* translators: This is the type of architecture, for example:
-   * "64-bit" or "32-bit" */
-  return g_strdup_printf (_("%d-bit"), bits);
+  /* translators: This is the name of the OS, followed by the type
+   * of architecture, for example:
+   * "Fedora 18 (Spherical Cow) 64-bit" or "Ubuntu (Oneric Ocelot) 32-bit" */
+  if (name)
+    result = g_strdup_printf (_("%s %d-bit"), name, bits);
+  else
+    result = g_strdup_printf (_("%d-bit"), bits);
+
+  g_free (name);
+
+  return result;
 }
 
 static void
diff --git a/panels/info/info.ui b/panels/info/info.ui
index 844da4e..b5262c6 100644
--- a/panels/info/info.ui
+++ b/panels/info/info.ui
@@ -320,7 +320,7 @@
                                     <property name="visible">True</property>
                                     <property name="can_focus">False</property>
                                     <property name="xalign">1</property>
-                                    <property name="label" translatable="yes">OS type</property>
+                                    <property name="label" translatable="yes" comments="To translators: this field contains the distro name, version and type">Base system</property>
                                     <property name="mnemonic_widget">os_type_label</property>
                                     <style>
                                       <class name="dim-label"/>