starting work on the actual synchronisation code for rhizome direct.

commandline.c

@@ -1786,6 +1786,12 @@ command_line_option command_line_options[]={
   {app_rhizome_direct_sync,{"rhizome","direct","sync","<ip:port>",NULL},
    CLIFLAG_STANDALONE,
    "Synchronise with the specified Rhizome Direct server. Return when done."},
+  {app_rhizome_direct_sync,{"rhizome","direct","push","<ip:port>",NULL},
+   CLIFLAG_STANDALONE,
+   "Deliver all new content to the specified Rhizome Direct server. Return when done."},
+  {app_rhizome_direct_sync,{"rhizome","direct","pull","<ip:port>",NULL},
+   CLIFLAG_STANDALONE,
+   "Fetch all new content from the specified Rhizome Direct server. Return when done."},
   {app_keyring_create,{"keyring","create",NULL},0,
    "Create a new keyring file."},
   {app_keyring_list,{"keyring","list","[<pin,pin...>]",NULL},CLIFLAG_STANDALONE,

rhizome_direct.c

@@ -569,6 +569,12 @@ int app_rhizome_direct_sync(int argc, const char *const *argv,
 {
   /* Attempt to connect with a remote Rhizome Direct instance,
      and negotiate which BARs to synchronise. */
+  char *modeName = (argc >= 3 ? argv[2] : "sync");
+  int mode=3; /* two-way sync */
+  if (!strcasecmp(modeName,"push")) mode=1; /* push only */
+  if (!strcasecmp(modeName,"pull")) mode=2; /* pull only */
+
+  DEBUGF("sync direction = %d",mode);
   return -1;
 }