[gnome-software/gnome-3-22] Add support for RuntimeRepo in flatpakref files

[Kalev Lember <klember src gnome org>]

commit c4d11daf89953cf2af0c16bf4f701ecf06cd1274
Author: Richard Hughes <richard hughsie com>
Date:   Fri Feb 24 19:13:14 2017 +0000

    Add support for RuntimeRepo in flatpakref files
    
    (This commit cherry-picks the actual fixes from commit ff66a2a5 on
    master without the associated self test changes.)

 src/plugins/gs-flatpak.c |   82 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 82 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/gs-flatpak.c b/src/plugins/gs-flatpak.c
index 8c70616..31e4c65 100644
--- a/src/plugins/gs-flatpak.c
+++ b/src/plugins/gs-flatpak.c
@@ -2332,6 +2332,7 @@ gs_flatpak_app_install (GsFlatpak *self,
 
        /* flatpakref has to be done in two phases */
        if (g_strcmp0 (gs_app_get_flatpak_file_type (app), "flatpakref") == 0) {
+               GsApp *runtime;
                g_autoptr(FlatpakRemoteRef) xref2 = NULL;
                gsize len = 0;
                g_autofree gchar *contents = NULL;
@@ -2361,6 +2362,83 @@ gs_flatpak_app_install (GsFlatpak *self,
                        gs_app_set_state_recover (app);
                        return FALSE;
                }
+
+               /* we have a missing remote and a RuntimeRef */
+               runtime = gs_app_get_runtime (app);
+               if (runtime != NULL && gs_app_get_state (runtime) == AS_APP_STATE_UNKNOWN) {
+                       g_autofree gchar *cache_basename = NULL;
+                       g_autofree gchar *cache_fn = NULL;
+                       g_autoptr(GFile) file = NULL;
+                       g_autoptr(GsApp) app_src = NULL;
+                       const gchar *tmp = gs_app_get_metadata_item (app, "flatpak::runtime-repo");
+                       if (tmp == NULL) {
+                               g_set_error (error,
+                                            GS_PLUGIN_ERROR,
+                                            GS_PLUGIN_ERROR_NOT_SUPPORTED,
+                                            "no runtime available for %s",
+                                            gs_app_get_unique_id (app));
+                               return FALSE;
+                       }
+                       g_debug ("runtime not available, so using %s", tmp);
+
+                       /* download file */
+                       cache_basename = g_path_get_basename (tmp);
+                       cache_fn = gs_utils_get_cache_filename ("flatpak",
+                                                               cache_basename,
+                                                               GS_UTILS_CACHE_FLAG_WRITEABLE,
+                                                               error);
+                       if (cache_fn == NULL)
+                               return FALSE;
+                       if (!gs_plugin_download_file (self->plugin,
+                                                     runtime,
+                                                     tmp,
+                                                     cache_fn,
+                                                     cancellable,
+                                                     error))
+                               return FALSE;
+
+                       /* get GsApp for local file */
+                       file = g_file_new_for_path (cache_fn);
+                       app_src = gs_flatpak_create_app_from_repo_file (self,
+                                                                       file,
+                                                                       cancellable,
+                                                                       error);
+                       if (app_src == NULL) {
+                               g_prefix_error (error,
+                                               "cannot create source from %s: ",
+                                               cache_fn);
+                               return FALSE;
+                       }
+
+                       /* install the flatpakrepo */
+                       if (!gs_flatpak_app_install_source (self,
+                                                           app_src,
+                                                           cancellable,
+                                                           error)) {
+                               g_prefix_error (error,
+                                               "cannot install source from %s: ",
+                                               cache_fn);
+                               return FALSE;
+                       }
+
+                       /* get the new state */
+                       if (!gs_plugin_refine_item_state (self, runtime, cancellable, error)) {
+                               g_prefix_error (error,
+                                               "cannot refine runtime using %s: ",
+                                               cache_fn);
+                               return FALSE;
+                       }
+
+                       /* still not found */
+                       if (gs_app_get_state (runtime) == AS_APP_STATE_UNKNOWN) {
+                               g_set_error (error,
+                                            GS_PLUGIN_ERROR,
+                                            GS_PLUGIN_ERROR_NOT_SUPPORTED,
+                                            "no runtime available for %s",
+                                            gs_app_get_unique_id (app));
+                               return FALSE;
+                       }
+               }
        }
 
        /* install required runtime if not already installed */
@@ -2663,6 +2741,7 @@ gs_flatpak_file_to_app_ref (GsFlatpak *self,
        g_autofree gchar *ref_icon = NULL;
        g_autofree gchar *ref_title = NULL;
        g_autofree gchar *ref_name = NULL;
+       g_autofree gchar *ref_runtime_repo = NULL;
 
        /* get file data */
        if (!g_file_load_contents (file,
@@ -2762,6 +2841,9 @@ gs_flatpak_file_to_app_ref (GsFlatpak *self,
                as_icon_set_url (ic, ref_icon);
                gs_app_add_icon (app, ic);
        }
+       ref_runtime_repo = g_key_file_get_string (kf, "Flatpak Ref", "RuntimeRepo", NULL);
+       if (ref_runtime_repo != NULL)
+               gs_app_set_metadata (app, "flatpak::runtime-repo", ref_runtime_repo);
 
        /* set the origin data */
        remote_name = flatpak_remote_ref_get_remote_name (xref);