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* Copyright (C) the libgit2 contributors. All rights reserved.
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
#ifndef INCLUDE_pack_objects_h__
#define INCLUDE_pack_objects_h__
#include "common.h"
#include "buffer.h"
#include "hash.h"
#include "oidmap.h"
#include "netops.h"
#include "zstream.h"
#include "pool.h"
#include "git2/oid.h"
#include "git2/pack.h"
#define GIT_PACK_WINDOW 10 /* number of objects to possibly delta against */
#define GIT_PACK_DEPTH 50 /* max delta depth */
#define GIT_PACK_DELTA_CACHE_SIZE (256 * 1024 * 1024)
#define GIT_PACK_BIG_FILE_THRESHOLD (512 * 1024 * 1024)
typedef struct git_pobject {
git_oid id;
git_otype type;
git_off_t offset;
size_t size;
unsigned int hash; /* name hint hash */
struct git_pobject *delta; /* delta base object */
struct git_pobject *delta_child; /* deltified objects who bases me */
struct git_pobject *delta_sibling; /* other deltified objects
* who uses the same base as
* me */
void *delta_data;
size_t delta_size;
size_t z_delta_size;
int written:1,
} git_pobject;
typedef struct {
git_oid id;
unsigned int uninteresting:1,
} git_walk_object;
struct git_packbuilder {
git_repository *repo; /* associated repository */
git_odb *odb; /* associated object database */
git_hash_ctx ctx;
git_zstream zstream;
uint32_t nr_objects,
size_t nr_alloc;
git_pobject *object_list;
git_oidmap *object_ix;
git_oidmap *walk_objects;
git_pool object_pool;
git_oid pack_oid; /* hash of written pack */
/* synchronization objects */
git_mutex cache_mutex;
git_mutex progress_mutex;
git_cond progress_cond;
/* configs */
size_t delta_cache_size;
size_t max_delta_cache_size;
size_t cache_max_small_delta_size;
size_t big_file_threshold;
size_t window_memory_limit;
unsigned int nr_threads; /* nr of threads to use */
git_packbuilder_progress progress_cb;
void *progress_cb_payload;
double last_progress_report_time; /* the time progress was last reported */
bool done;
int git_packbuilder_write_buf(git_buf *buf, git_packbuilder *pb);
#endif /* INCLUDE_pack_objects_h__ */