am doc: add a pointer to relevant hooks

diff --git a/list-objects.c b/list-objects.c
index 05c8c5c61660fdf351246df4279b7642695f8c7e..206816fa9c47eb419775bcf2005f9cd5144bc297 100644 (file)
--- a/list-objects.c
+++ b/list-objects.c
@@ -123,8 +123,7 @@ static void process_tree(struct rev_info *revs,
                                     cb_data);
        }
        strbuf_setlen(base, baselen);
-       free(tree->buffer);
-       tree->buffer = NULL;
+       free_tree_buffer(tree);
 }
 
 static void mark_edge_parents_uninteresting(struct commit *commit,
@@ -163,15 +162,17 @@ void mark_edges_uninteresting(struct rev_info *revs, show_edge_fn show_edge)
                }
                mark_edge_parents_uninteresting(commit, revs, show_edge);
        }
-       for (i = 0; i < revs->cmdline.nr; i++) {
-               struct object *obj = revs->cmdline.rev[i].item;
-               struct commit *commit = (struct commit *)obj;
-               if (obj->type != OBJ_COMMIT || !(obj->flags & UNINTERESTING))
-                       continue;
-               mark_tree_uninteresting(commit->tree);
-               if (revs->edge_hint && !(obj->flags & SHOWN)) {
-                       obj->flags |= SHOWN;
-                       show_edge(commit);
+       if (revs->edge_hint) {
+               for (i = 0; i < revs->cmdline.nr; i++) {
+                       struct object *obj = revs->cmdline.rev[i].item;
+                       struct commit *commit = (struct commit *)obj;
+                       if (obj->type != OBJ_COMMIT || !(obj->flags & UNINTERESTING))
+                               continue;
+                       mark_tree_uninteresting(commit->tree);
+                       if (!(obj->flags & SHOWN)) {
+                               obj->flags |= SHOWN;
+                               show_edge(commit);
+                       }
                }
        }
 }