int prepare_revision_walk(struct rev_info *revs)
{
int nr = revs->pending.nr;
struct object_array_entry *e, *list;
e = list = revs->pending.objects;
revs->pending.nr = 0;
revs->pending.alloc = 0;
revs->pending.objects = NULL;
while (--nr >= 0) {
struct commit *commit = handle_commit(revs, e->item, e->name);
if (commit) {
if (!(commit->object.flags & SEEN)) {
commit->object.flags |= SEEN;
insert_by_date(commit, &revs->commits);
}
}
e++;
}
free(list);
if (revs->no_walk)
return 0;
if (revs->limited)
if (limit_list(revs) < 0)
return -1;
if (revs->topo_order)
sort_in_topological_order(&revs->commits, revs->lifo);
if (revs->simplify_merges)
simplify_merges(revs);
if (revs->children.name)
set_children(revs);
return 0;
}
static void handle_tail(struct object_array *commits, struct rev_info *revs)
{
struct commit *commit;
while (commits->nr) {
commit = (struct commit *)commits->objects[commits->nr - 1].item;
if (has_unshown_parent(commit))
return;
handle_commit(commit, revs);
commits->nr--;
}
}
static void handle_tail(struct object_array *commits, struct rev_info *revs,
struct string_list *paths_of_changed_objects)
{
struct commit *commit;
while (commits->nr) {
commit = (struct commit *)object_array_pop(commits);
if (has_unshown_parent(commit)) {
/* Queue again, to be handled later */
add_object_array(&commit->object, NULL, commits);
return;
}
handle_commit(commit, revs, paths_of_changed_objects);
}
}
