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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_revert_h__
#define INCLUDE_git_revert_h__
#include "common.h"
#include "types.h"
#include "merge.h"
/**
* @file git2/revert.h
* @brief Git revert routines
* @defgroup git_revert Git revert routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
typedef struct {
unsigned int version;
/** For merge commits, the "mainline" is treated as the parent. */
unsigned int mainline;
git_merge_tree_opts merge_tree_opts;
git_checkout_opts checkout_opts;
} git_revert_opts;
#define GIT_REVERT_OPTS_VERSION 1
#define GIT_REVERT_OPTS_INIT {GIT_REVERT_OPTS_VERSION, 0, GIT_MERGE_TREE_OPTS_INIT, GIT_CHECKOUT_OPTS_INIT}
/**
* Initializes a `git_revert_opts` with default values. Equivalent to
* creating an instance with GIT_REVERT_OPTS_INIT.
*
* @param opts the `git_revert_opts` instance to initialize.
* @param version the version of the struct; you should pass
* `GIT_REVERT_OPTS_VERSION` here.
* @return Zero on success; -1 on failure.
*/
GIT_EXTERN(int) git_revert_init_opts(
git_revert_opts* opts,
int version);
/**
* Reverts the given commit against the given "our" commit, producing an
* index that reflects the result of the revert.
*
* The returned index must be freed explicitly with `git_index_free`.
*
* @param out pointer to store the index result in
* @param repo the repository that contains the given commits
* @param revert_commit the commit to revert
* @param our_commit the commit to revert against (eg, HEAD)
* @param mainline the parent of the revert commit, if it is a merge
* @param merge_tree_opts the merge tree options (or null for defaults)
* @return zero on success, -1 on failure.
*/
int git_revert_commit(
git_index **out,
git_repository *repo,
git_commit *revert_commit,
git_commit *our_commit,
unsigned int mainline,
const git_merge_tree_opts *merge_tree_opts);
/**
* Reverts the given commit, producing changes in the working directory.
*
* @param repo the repository to revert
* @param commits the commits to revert
* @param commits_len the number of commits to revert
* @param flags merge flags
* @return zero on success, -1 on failure.
*/
GIT_EXTERN(int) git_revert(
git_repository *repo,
git_commit *commit,
const git_revert_opts *given_opts);
/** @} */
GIT_END_DECL
#endif
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