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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* 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_indexer_stats {
unsigned int total;
unsigned int processed;
} git_indexer_stats;
typedef struct git_indexer git_indexer;
typedef struct git_indexer_stream git_indexer_stream;
/**
* Create a new streaming indexer instance
*
* @param out where to store the inexer instance
* @param path to the gitdir (metadata directory)
*/
GIT_EXTERN(int) git_indexer_stream_new(git_indexer_stream **out, const char *gitdir);
/**
* Add data to the indexer
*
* @param idx the indexer
* @param data the data to add
* @param size the size of the data
* @param stats stat storage
*/
GIT_EXTERN(int) git_indexer_stream_add(git_indexer_stream *idx, const void *data, size_t size, git_indexer_stats *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_indexer_stats *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(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);
/**
* Create a new indexer instance
*
* @param out where to store the indexer instance
* @param packname the absolute filename of the packfile to index
*/
GIT_EXTERN(int) git_indexer_new(git_indexer **out, const char *packname);
/**
* Iterate over the objects in the packfile and extract the information
*
* Indexing a packfile can be very expensive so this function is
* expected to be run in a worker thread and the stats used to provide
* feedback the user.
*
* @param idx the indexer instance
* @param stats storage for the running state
*/
GIT_EXTERN(int) git_indexer_run(git_indexer *idx, git_indexer_stats *stats);
/**
* Write the index file to disk.
*
* The file will be stored as pack-$hash.idx in the same directory as
* the packfile.
*
* @param idx the indexer instance
*/
GIT_EXTERN(int) git_indexer_write(git_indexer *idx);
/**
* 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 written to disk.
*
* @param idx the indexer instance
*/
GIT_EXTERN(const git_oid *) git_indexer_hash(git_indexer *idx);
/**
* Free the indexer and its resources
*
* @param idx the indexer to free
*/
GIT_EXTERN(void) git_indexer_free(git_indexer *idx);
GIT_END_DECL
#endif
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