/*
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Git Development Community nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef INCLUDE_git_commit_h__
#define INCLUDE_git_commit_h__

#include "git/common.h"
#include "git/oid.h"
#include <time.h>

/**
 * @file git/commit.h
 * @brief Git commit parsing, formatting routines
 * @defgroup git_commit Git commit parsing, formatting routines
 * @ingroup Git
 * @{
 */
GIT_BEGIN_DECL

/** Parsed representation of a commit object. */
typedef struct git_commit git_commit;
#ifdef GIT__PRIVATE
struct git_commit {
	git_oid id;
	time_t commit_time;
	unsigned parsed:1,
	         flags:26;
};
#endif

/**
 * Parse (or lookup) a commit from a revision pool.
 * @param pool the pool to use when parsing/caching the commit.
 * @param id identity of the commit to locate.  If the object is
 *        an annotated tag it will be peeled back to the commit.
 * @return the commit; NULL if the commit does not exist in the
 *         pool's git_odb, or if the commit is present but is
 *         too malformed to be parsed successfully.
 */
GIT_EXTERN(git_commit*) git_commit_parse(git_revp *pool, const git_oid *id);

/**
 * Get the id of a commit.
 * @param commit a previously parsed commit.
 * @return object identity for the commit.
 */
GIT_EXTERN(const git_oid*) git_commit_id(git_commit *commit);

/** @} */
GIT_END_DECL
#endif