1 /*
2  * Copyright (C) the libgit2 contributors. All rights reserved.
3  *
4  * This file is part of libgit2, distributed under the GNU GPL v2 with
5  * a Linking Exception. For full terms see the included COPYING file.
6  */
7 #ifndef INCLUDE_git_revert_h__
8 #define INCLUDE_git_revert_h__
9 
10 #include "common.h"
11 #include "types.h"
12 #include "merge.h"
13 
14 /**
15  * @file git2/revert.h
16  * @brief Git revert routines
17  * @defgroup git_revert Git revert routines
18  * @ingroup Git
19  * @{
20  */
21 GIT_BEGIN_DECL
22 
23 /**
24  * Options for revert
25  */
26 typedef struct {
27 	unsigned int version;
28 
29 	/** For merge commits, the "mainline" is treated as the parent. */
30 	unsigned int mainline;
31 
32 	git_merge_options merge_opts; /**< Options for the merging */
33 	git_checkout_options checkout_opts; /**< Options for the checkout */
34 } git_revert_options;
35 
36 #define GIT_REVERT_OPTIONS_VERSION 1
37 #define GIT_REVERT_OPTIONS_INIT {GIT_REVERT_OPTIONS_VERSION, 0, GIT_MERGE_OPTIONS_INIT, GIT_CHECKOUT_OPTIONS_INIT}
38 
39 /**
40  * Initialize git_revert_options structure
41  *
42  * Initializes a `git_revert_options` with default values. Equivalent to
43  * creating an instance with `GIT_REVERT_OPTIONS_INIT`.
44  *
45  * @param opts The `git_revert_options` struct to initialize.
46  * @param version The struct version; pass `GIT_REVERT_OPTIONS_VERSION`.
47  * @return Zero on success; -1 on failure.
48  */
49 GIT_EXTERN(int) git_revert_options_init(
50 	git_revert_options *opts,
51 	unsigned int version);
52 
53 /**
54  * Reverts the given commit against the given "our" commit, producing an
55  * index that reflects the result of the revert.
56  *
57  * The returned index must be freed explicitly with `git_index_free`.
58  *
59  * @param out pointer to store the index result in
60  * @param repo the repository that contains the given commits
61  * @param revert_commit the commit to revert
62  * @param our_commit the commit to revert against (eg, HEAD)
63  * @param mainline the parent of the revert commit, if it is a merge
64  * @param merge_options the merge options (or null for defaults)
65  * @return zero on success, -1 on failure.
66  */
67 GIT_EXTERN(int) git_revert_commit(
68 	git_index **out,
69 	git_repository *repo,
70 	git_commit *revert_commit,
71 	git_commit *our_commit,
72 	unsigned int mainline,
73 	const git_merge_options *merge_options);
74 
75 /**
76  * Reverts the given commit, producing changes in the index and working directory.
77  *
78  * @param repo the repository to revert
79  * @param commit the commit to revert
80  * @param given_opts the revert options (or null for defaults)
81  * @return zero on success, -1 on failure.
82  */
83 GIT_EXTERN(int) git_revert(
84 	git_repository *repo,
85 	git_commit *commit,
86 	const git_revert_options *given_opts);
87 
88 /** @} */
89 GIT_END_DECL
90 #endif
91 
92