libdnf: checks out a newer commit supporting network wait

rpmostree-pkg-builtins.cxx: Adds a command line flag for --network-wait
rpmostree-sysroot-upgrader.cxx: Adds network_wait to struct SysrootUpgrader and support for setting it
rpmostree-transaction-types.cxx: Addresses a call to network wait by adding to struct sysroot_upgrader

For each configured ostree remote and each enabled yum repository, wait until we can reach those over the network.
This requires modifications in libdnf and librepo

Author: RishabhSaini

libdnf

@@ -46,6 +46,7 @@ static gboolean opt_uninstall_all;
 static gboolean opt_unchanged_exit_77;
 static gboolean opt_lock_finalization;
 static gboolean opt_force_replacefiles;
+static guint opt_network_wait;
 
 static GOptionEntry option_entries[]
     = { { "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Operate on provided OSNAME", "OSNAME" },
@@ -83,6 +84,8 @@ static GOptionEntry install_option_entry[]
           "Apply changes to both pending deployment and running filesystem tree", NULL },
         { "force-replacefiles", 0, 0, G_OPTION_ARG_NONE, &opt_force_replacefiles,
           "Allow package to replace files from other packages", NULL },
+        { "network-wait", 'N', 0, G_OPTION_ARG_INT, &opt_network_wait,
+          "Wait to reach into remote repository till network setup", "seconds" },
         { NULL } };
 
 static gboolean
@@ -125,6 +128,8 @@ pkg_change (RpmOstreeCommandInvocation *invocation, RPMOSTreeSysroot *sysroot_pr
   g_variant_dict_insert (&dict, "lock-finalization", "b", opt_lock_finalization);
   if (opt_apply_live)
     g_variant_dict_insert (&dict, "apply-live", "b", opt_apply_live);
+  if (opt_network_wait)
+    g_variant_dict_insert (&dict, "network-wait", "u", opt_network_wait);
   g_autoptr (GVariant) options = g_variant_ref_sink (g_variant_dict_end (&dict));
 
   gboolean met_local_pkg = FALSE;

src/app/rpmostree-pkg-builtins.cxx

@@ -90,6 +90,7 @@ struct RpmOstreeSysrootUpgrader
   char *command_line;
   char *agent;
   char *sd_unit;
+  guint network_wait_timeout_secs;
 
   OstreeDeployment *cfg_merge_deployment;
   OstreeDeployment *origin_merge_deployment;
@@ -905,6 +906,11 @@ prepare_context_for_assembly (RpmOstreeSysrootUpgrader *self, const char *tmproo
   return TRUE;
 }
 
+void 
+rpmostree_sysroot_upgrader_set_network_wait (RpmOstreeSysrootUpgrader *self, int network_wait_sec) {
+  self->network_wait_timeout_secs = network_wait_sec;
+}
+
 /* Initialize libdnf context from our configuration */
 static gboolean
 prep_local_assembly (RpmOstreeSysrootUpgrader *self, GCancellable *cancellable, GError **error)
@@ -942,6 +948,8 @@ prep_local_assembly (RpmOstreeSysrootUpgrader *self, GCancellable *cancellable,
                                 error))
     return FALSE;
 
+  dnf_context_set_network_timeout_seconds(rpmostree_context_get_dnf(self->ctx), self->network_wait_timeout_secs);
+
   if (rpmostree_origin_has_any_packages (self->computed_origin))
     {
       if (!rpmostree_context_prepare (self->ctx, cancellable, error))

src/daemon/rpmostree-sysroot-upgrader.cxx

@@ -121,4 +121,6 @@ gboolean rpmostree_sysroot_upgrader_deploy (RpmOstreeSysrootUpgrader *self,
                                             GCancellable *cancellable, GError **error);
 
 void rpmostree_sysroot_upgrader_set_kargs (RpmOstreeSysrootUpgrader *self, char **kernel_args);
+
+void rpmostree_sysroot_upgrader_set_network_wait (RpmOstreeSysrootUpgrader *self, int network_wait_sec);
 G_END_DECLS

src/daemon/rpmostree-sysroot-upgrader.h

@@ -1557,6 +1557,12 @@ deploy_transaction_execute (RpmostreedTransaction *transaction, GCancellable *ca
       return TRUE;
     }
 
+  int network_wait_sec;
+  if(g_variant_dict_lookup(self->options, "network-wait", "u", &network_wait_sec))
+  {
+    rpmostree_sysroot_upgrader_set_network_wait(upgrader, network_wait_sec); 
+  }
+
   RpmOstreeSysrootUpgraderLayeringType layering_type;
   gboolean layering_changed = FALSE;
   if (!rpmostree_sysroot_upgrader_prep_layering (upgrader, &layering_type, &layering_changed,