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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_refs_h__
#define INCLUDE_refs_h__

#include "common.h"
#include "git2/oid.h"
#include "git2/refs.h"
#include "hashtable.h"

#define GIT_REFS_DIR "refs/"
#define GIT_REFS_HEADS_DIR GIT_REFS_DIR "heads/"
#define GIT_REFS_TAGS_DIR GIT_REFS_DIR "tags/"
#define GIT_REFS_REMOTES_DIR GIT_REFS_DIR "remotes/"
#define GIT_REFS_DIR_MODE 0777
#define GIT_REFS_FILE_MODE 0666

#define GIT_RENAMED_REF_FILE GIT_REFS_DIR "RENAMED-REF"

#define GIT_SYMREF "ref: "
#define GIT_PACKEDREFS_FILE "packed-refs"
#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled "
#define GIT_PACKEDREFS_FILE_MODE 0666

#define GIT_HEAD_FILE "HEAD"
#define GIT_FETCH_HEAD_FILE "FETCH_HEAD"
#define GIT_MERGE_HEAD_FILE "MERGE_HEAD"
#define GIT_REFS_HEADS_MASTER_FILE GIT_REFS_HEADS_DIR "master"

#define GIT_REFNAME_MAX 1024

struct git_reference {
	unsigned int flags;
	git_repository *owner;
	char *name;
	time_t mtime;

	union {
		git_oid oid;
		char *symbolic;
	} target;
};

typedef struct {
	git_hashtable *packfile;
	time_t packfile_time;
} git_refcache;

void git_repository__refcache_free(git_refcache *refs);

int git_reference__normalize_name(char *buffer_out, size_t out_size, const char *name);
int git_reference__normalize_name_oid(char *buffer_out, size_t out_size, const char *name);

#endif