[gnome-builder] greeter: add clone-repo action

[Christian Hergert <chergert src gnome org>]

commit d5ee1ad4b0be1c33f1f89752fd1248e834e4da02
Author: Christian Hergert <chergert redhat com>
Date:   Tue Mar 5 12:11:04 2019 -0800

    greeter: add clone-repo action
    
    This can be used to activate the action from gapplication launch

 src/plugins/greeter/gbp-greeter-application-addin.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/src/plugins/greeter/gbp-greeter-application-addin.c 
b/src/plugins/greeter/gbp-greeter-application-addin.c
index 12e20f8d5..4758f5d6c 100644
--- a/src/plugins/greeter/gbp-greeter-application-addin.c
+++ b/src/plugins/greeter/gbp-greeter-application-addin.c
@@ -75,6 +75,20 @@ new_window (GSimpleAction *action,
   present_greeter_with_surface (NULL, NULL, self);
 }
 
+static void
+clone_repo_cb (GSimpleAction *action,
+               GVariant      *param,
+               gpointer       user_data)
+{
+  g_autoptr(GVariant) clone_param = NULL;
+
+  g_assert (G_IS_SIMPLE_ACTION (action));
+  g_assert (GBP_IS_GREETER_APPLICATION_ADDIN (user_data));
+
+  clone_param = g_variant_take_ref (g_variant_new_string ("clone"));
+  present_greeter_with_surface (NULL, clone_param, user_data);
+}
+
 static void
 open_project (GSimpleAction *action,
               GVariant      *param,
@@ -103,6 +117,7 @@ open_project (GSimpleAction *action,
 static const GActionEntry actions[] = {
   { "present-greeter-with-surface", present_greeter_with_surface, "s" },
   { "open-project", open_project },
+  { "clone-repo", clone_repo_cb },
   { "new-window", new_window },
 };