Make "--parents" logs also be incremental

[git.git] / revision.c

diff --git a/revision.c b/revision.c
index ce35b5a..fe26562 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -340,6 +340,10 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 {
        struct commit_list *parent = commit->parents;
 
+       if (commit->object.flags & ADDED)
+               return;
+       commit->object.flags |= ADDED;
+
        /*
         * If the commit is uninteresting, don't try to
         * prune parents - we want the maximal uninteresting
@@ -705,13 +709,6 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
        if (revs->prune_data) {
                diff_tree_setup_paths(revs->prune_data);
                revs->prune_fn = try_to_simplify_commit;
-
-               /*
-                * If we fix up parent data, we currently cannot
-                * do that on-the-fly.
-                */
-               if (revs->parents)
-                       revs->limited = 1;
        }
 
        return left;
@@ -728,10 +725,12 @@ void prepare_revision_walk(struct rev_info *revs)
                                             revs->topo_getter);
 }
 
-static int rewrite_one(struct commit **pp)
+static int rewrite_one(struct rev_info *revs, struct commit **pp)
 {
        for (;;) {
                struct commit *p = *pp;
+               if (!revs->limited)
+                       add_parents_to_list(revs, p, &revs->commits);
                if (p->object.flags & (TREECHANGE | UNINTERESTING))
                        return 0;
                if (!p->parents)
@@ -740,12 +739,12 @@ static int rewrite_one(struct commit **pp)
        }
 }
 
-static void rewrite_parents(struct commit *commit)
+static void rewrite_parents(struct rev_info *revs, struct commit *commit)
 {
        struct commit_list **pp = &commit->parents;
        while (*pp) {
                struct commit_list *parent = *pp;
-               if (rewrite_one(&parent->item) < 0) {
+               if (rewrite_one(revs, &parent->item) < 0) {
                        *pp = parent->next;
                        continue;
                }
@@ -802,7 +801,7 @@ struct commit *get_revision(struct rev_info *revs)
                        if (!(commit->object.flags & TREECHANGE))
                                continue;
                        if (revs->parents)
-                               rewrite_parents(commit);
+                               rewrite_parents(revs, commit);
                }
                commit->object.flags |= SHOWN;
                return commit;