[gnome-software] rpm-ostree: Implement what-provides decompose

[Kalev Lember <klember src gnome org>]

commit 86c3e09931a2a6a1b0b9192575e736d79c788fba
Author: Kalev Lember <klember redhat com>
Date:   Fri May 17 13:16:27 2019 +0200

    rpm-ostree: Implement what-provides decompose
    
    Copied verbatim from PackageKit dnf backend.

 plugins/rpm-ostree/gs-plugin-rpm-ostree.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)
---
diff --git a/plugins/rpm-ostree/gs-plugin-rpm-ostree.c b/plugins/rpm-ostree/gs-plugin-rpm-ostree.c
index 650dd30d..8b0578a7 100644
--- a/plugins/rpm-ostree/gs-plugin-rpm-ostree.c
+++ b/plugins/rpm-ostree/gs-plugin-rpm-ostree.c
@@ -1593,6 +1593,26 @@ out:
        return ret;
 }
 
+static gchar **
+what_provides_decompose (gchar **values)
+{
+       GPtrArray *array = g_ptr_array_new ();
+
+       /* iter on each provide string, and wrap it with the Fedora prefix */
+       for (guint i = 0; values[i] != NULL; i++) {
+               g_ptr_array_add (array, g_strdup (values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("gstreamer0.10(%s)", values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("gstreamer1(%s)", values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("font(%s)", values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("mimehandler(%s)", values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("postscriptdriver(%s)", values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("plasma4(%s)", values[i]));
+               g_ptr_array_add (array, g_strdup_printf ("plasma5(%s)", values[i]));
+       }
+       g_ptr_array_add (array, NULL);
+       return (gchar **) g_ptr_array_free (array, FALSE);
+}
+
 gboolean
 gs_plugin_add_search_what_provides (GsPlugin *plugin,
                                     gchar **search,
@@ -1603,13 +1623,15 @@ gs_plugin_add_search_what_provides (GsPlugin *plugin,
        GsPluginData *priv = gs_plugin_get_data (plugin);
        g_autoptr(GMutexLocker) locker = NULL;
        g_autoptr(GPtrArray) pkglist = NULL;
+       g_auto(GStrv) provides = NULL;
 
        locker = g_mutex_locker_new (&priv->mutex);
 
        if (priv->dnf_context == NULL)
                return TRUE;
 
-       pkglist = find_packages_by_provides (dnf_context_get_sack (priv->dnf_context), search);
+       provides = what_provides_decompose (search);
+       pkglist = find_packages_by_provides (dnf_context_get_sack (priv->dnf_context), provides);
        for (guint i = 0; i < pkglist->len; i++) {
                DnfPackage *pkg = g_ptr_array_index (pkglist, i);
                g_autoptr(GsApp) app = NULL;