commit d415e120d8f07423e264782724cce6af29c6432f
from: Stefan Sperling <stsp@stsp.name>
date: Wed Sep 19 12:19:23 2018 UTC

fix previous: last entry returned by graph iteration was duplicated

commit - bee6b57787582955c8680120c2047136809ece2c
commit + d415e120d8f07423e264782724cce6af29c6432f
blob - ce50bb5460e87267354c5c514894cfe239e00dbc
blob + f71dade8771c97c99210c811c7d73b1112486624
--- lib/commit_graph.c
+++ lib/commit_graph.c
@@ -720,10 +720,9 @@ got_commit_graph_iter_next(struct got_object_id **id,
 	if (graph->iter_node ==
 	    TAILQ_LAST(&graph->iter_list, got_commit_graph_iter_list) &&
 	    got_object_idset_num_elements(graph->open_branches) == 0) {
-		*id = &graph->iter_node->id;
 		/* We are done iterating. */
 		graph->iter_node = NULL;
-		return NULL;
+		return got_error(GOT_ERR_ITER_COMPLETED);
 	}
 
 	if (TAILQ_NEXT(graph->iter_node, entry) == NULL)