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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_git_pack_h__
#define INCLUDE_git_pack_h__
#include "common.h"
#include "oid.h"
/**
* @file git2/pack.h
* @brief Git pack management routines
* @defgroup git_pack Git pack management routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Initialize a new packbuilder
*
* @param out The new packbuilder object
* @param repo The repository
*
* @return 0 or an error code
*/
GIT_EXTERN(int) git_packbuilder_new(git_packbuilder **out, git_repository *repo);
/**
* Set number of threads to spawn
*
* By default, libgit2 won't spawn any threads at all;
* when set to 0, libgit2 will autodetect the number of
* CPUs.
*
* @param pb The packbuilder
* @param n Number of threads to spawn
* @return number of actual threads to be used
*/
GIT_EXTERN(unsigned int) git_packbuilder_set_threads(git_packbuilder *pb, unsigned int n);
/**
* Insert a single object
*
* For an optimal pack it's mandatory to insert objects in recency order,
* commits followed by trees and blobs.
*
* @param pb The packbuilder
* @param id The oid of the commit
* @param name The name; might be NULL
*
* @return 0 or an error code
*/
GIT_EXTERN(int) git_packbuilder_insert(git_packbuilder *pb, const git_oid *id, const char *name);
/**
* Insert a root tree object
*
* This will add the tree as well as all referenced trees and blobs.
*
* @param pb The packbuilder
* @param id The oid of the root tree
*
* @return 0 or an error code
*/
GIT_EXTERN(int) git_packbuilder_insert_tree(git_packbuilder *pb, const git_oid *id);
/**
* Write the new pack and the corresponding index to path
*
* @param pb The packbuilder
* @param path Directory to store the new pack and index
*
* @return 0 or an error code
*/
GIT_EXTERN(int) git_packbuilder_write(git_packbuilder *pb, const char *file);
/**
* Create the new pack and pass each object to the callback
*
* @param pb the packbuilder
* @param cb the callback to call with each packed object's buffer
* @param payload the callback's data
* @return 0 or an error code
*/
typedef int (*git_packbuilder_foreach_cb)(void *buf, size_t size, void *payload);
GIT_EXTERN(int) git_packbuilder_foreach(git_packbuilder *pb, git_packbuilder_foreach_cb cb, void *payload);
/**
* Get the total number of objects the packbuilder will write out
*
* @param pb the packbuilder
* @return
*/
GIT_EXTERN(uint32_t) git_packbuilder_object_count(git_packbuilder *pb);
/**
* Get the number of objects the packbuilder has already written out
*
* @param pb the packbuilder
* @return
*/
GIT_EXTERN(uint32_t) git_packbuilder_written(git_packbuilder *pb);
/**
* Free the packbuilder and all associated data
*
* @param pb The packbuilder
*/
GIT_EXTERN(void) git_packbuilder_free(git_packbuilder *pb);
/** @} */
GIT_END_DECL
#endif
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