pack-objects: reuse on-disk deltas for thin "have" objects

diff --git a/pack-bitmap.h b/pack-bitmap.h
index 4555907dee99fbf731b739c584837adbbe8270f1..c633bf523898db8d261f5c3f8098c3e843ca9c21 100644 (file)
--- a/pack-bitmap.h
+++ b/pack-bitmap.h
@@ -5,6 +5,9 @@
 #include "khash.h"
 #include "pack-objects.h"
 
+struct commit;
+struct rev_info;
+
 struct bitmap_disk_header {
        char magic[4];
        uint16_t version;
@@ -50,6 +53,13 @@ int rebuild_existing_bitmaps(struct bitmap_index *, struct packing_data *mapping
                             khash_sha1 *reused_bitmaps, int show_progress);
 void free_bitmap_index(struct bitmap_index *);
 
+/*
+ * After a traversal has been performed on the bitmap_index, this can be
+ * queried to see if a particular object was reachable from any of the
+ * objects flagged as UNINTERESTING.
+ */
+int bitmap_has_sha1_in_uninteresting(struct bitmap_index *, const unsigned char *sha1);
+
 void bitmap_writer_show_progress(int show);
 void bitmap_writer_set_checksum(unsigned char *sha1);
 void bitmap_writer_build_type_index(struct packing_data *to_pack,