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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_indexer_h__
#define _INCLUDE_git_indexer_h__
#include "common.h"
#include "oid.h"
GIT_BEGIN_DECL
/**
* This is passed as the first argument to the callback to allow the
* user to see the progress.
*/
typedef struct git_transfer_progress {
unsigned int total_objects;
unsigned int indexed_objects;
unsigned int received_objects;
size_t received_bytes;
} git_transfer_progress;
/**
* Type for progress callbacks during indexing. Return a value less than zero
* to cancel the transfer.
*
* @param stats Structure containing information about the state of the transfer
* @param payload Payload provided by caller
*/
typedef int (*git_transfer_progress_callback)(const git_transfer_progress *stats, void *payload);
typedef struct git_indexer_stream git_indexer_stream;
/**
* Create a new streaming indexer instance
*
* @param out where to store the indexer instance
* @param path to the directory where the packfile should be stored
* @param progress_cb function to call with progress information
* @param progress_payload payload for the progress callback
*/
GIT_EXTERN(int) git_indexer_stream_new(
git_indexer_stream **out,
const char *path,
git_transfer_progress_callback progress_cb,
void *progress_cb_payload);
/**
* Add data to the indexer
*
* @param idx the indexer
* @param data the data to add
* @param size the size of the data in bytes
* @param stats stat storage
*/
GIT_EXTERN(int) git_indexer_stream_add(git_indexer_stream *idx, const void *data, size_t size, git_transfer_progress *stats);
/**
* Finalize the pack and index
*
* Resolve any pending deltas and write out the index file
*
* @param idx the indexer
*/
GIT_EXTERN(int) git_indexer_stream_finalize(git_indexer_stream *idx, git_transfer_progress *stats);
/**
* Get the packfile's hash
*
* A packfile's name is derived from the sorted hashing of all object
* names. This is only correct after the index has been finalized.
*
* @param idx the indexer instance
*/
GIT_EXTERN(const git_oid *) git_indexer_stream_hash(const git_indexer_stream *idx);
/**
* Free the indexer and its resources
*
* @param idx the indexer to free
*/
GIT_EXTERN(void) git_indexer_stream_free(git_indexer_stream *idx);
GIT_END_DECL
#endif
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