Function build_pseudo_merge_bitmaps

pack-bitmap-write.c:828–894

}

static int build_pseudo_merge_bitmaps(struct bitmap_writer *writer,
				      struct bitmap_index *old_bitmap,
				      const uint32_t *mapping,
				      int *nr_stored)
{
	size_t i = bitmap_writer_nr_selected_commits(writer);
	int ret = 0;

	if (!writer->pseudo_merges_nr)
		return 0;

	trace2_region_enter("pack-bitmap-write", "building_pseudo_merge_bitmaps",
			    writer->repo);

	for (; i < writer->selected_nr; i++) {
		struct bitmapped_commit *merge = &writer->selected[i];
		struct commit_list *p;
		struct bitmap *parents = bitmap_new();
		struct ewah_bitmap *objects = NULL;

		if (!merge->pseudo_merge)
			BUG("found non-pseudo merge commit at %"PRIuMAX,
			    (uintmax_t)i);

		for (p = merge->commit->parents; p; p = p->next) {
			int found;
			uint32_t pos = find_object_pos(writer,
						       &p->item->object.oid,
						       &found);
			if (!found) {
				bitmap_free(parents);
				ret = -1;
				goto done;
			}
			bitmap_set(parents, pos);
		}

		merge->pseudo_merge_parents = bitmap_to_ewah(parents);
		bitmap_free(parents);

		if (build_pseudo_merge_bitmap(writer, old_bitmap, mapping,
					      merge->commit, &objects) < 0) {
			ret = -1;
			goto done;
		}
		merge->bitmap = objects;

		(*nr_stored)++;
		display_progress(writer->progress, *nr_stored);
	}

done:
	trace2_region_leave("pack-bitmap-write", "building_pseudo_merge_bitmaps",
			    writer->repo);

	trace2_data_intmax("pack-bitmap-write", writer->repo,
			   "pseudo_merge_bitmap_nr",
			   pseudo_merge_bitmap_nr);