1 files changed, 43 insertions, 0 deletions
diff --git a/pack-bitmap.h b/pack-bitmap.h
new file mode 100644
index 0000000000..b4510d5ccd
--- /dev/null
+++ b/pack-bitmap.h
@@ -0,0 +1,43 @@
+#ifndef PACK_BITMAP_H
+#define PACK_BITMAP_H
+
+#include "ewah/ewok.h"
+#include "khash.h"
+
+struct bitmap_disk_entry {
+	uint32_t object_pos;
+	uint8_t xor_offset;
+	uint8_t flags;
+} __attribute__((packed));
+
+struct bitmap_disk_header {
+	char magic[4];
+	uint16_t version;
+	uint16_t options;
+	uint32_t entry_count;
+	unsigned char checksum[20];
+};
+
+static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'};
+
+enum pack_bitmap_opts {
+	BITMAP_OPT_FULL_DAG = 1
+};
+
+typedef int (*show_reachable_fn)(
+	const unsigned char *sha1,
+	enum object_type type,
+	int flags,
+	uint32_t hash,
+	struct packed_git *found_pack,
+	off_t found_offset);
+
+int prepare_bitmap_git(void);
+void count_bitmap_commit_list(uint32_t *commits, uint32_t *trees, uint32_t *blobs, uint32_t *tags);
+void traverse_bitmap_commit_list(show_reachable_fn show_reachable);
+void test_bitmap_walk(struct rev_info *revs);
+char *pack_bitmap_filename(struct packed_git *p);
+int prepare_bitmap_walk(struct rev_info *revs);
+int reuse_partial_packfile_from_bitmap(struct packed_git **packfile, uint32_t *entries, off_t *up_to);
+
+#endif