1 files changed, 86 insertions, 0 deletions
diff --git a/include/git2/revert.h b/include/git2/revert.h
new file mode 100644
index 000000000..fc1767c93
--- /dev/null
+++ b/include/git2/revert.h
@@ -0,0 +1,86 @@
+/*
+ * 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_options merge_opts;
+	git_checkout_options checkout_opts;
+} git_revert_options;
+
+#define GIT_REVERT_OPTIONS_VERSION 1
+#define GIT_REVERT_OPTIONS_INIT {GIT_REVERT_OPTIONS_VERSION, 0, GIT_MERGE_OPTIONS_INIT, GIT_CHECKOUT_OPTIONS_INIT}
+
+/**
+ * Initializes a `git_revert_options` with default values. Equivalent to
+ * creating an instance with GIT_REVERT_OPTIONS_INIT.
+ *
+ * @param opts the `git_revert_options` struct to initialize
+ * @param version Version of struct; pass `GIT_REVERT_OPTIONS_VERSION`
+ * @return Zero on success; -1 on failure.
+ */
+GIT_EXTERN(int) git_revert_init_options(
+	git_revert_options *opts,
+	unsigned 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_options the merge 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_options *merge_options);
+
+/**
+ * Reverts the given commit, producing changes in the working directory.
+ *
+ * @param repo the repository to revert
+ * @param commit the commit to revert
+ * @param given_opts merge flags
+ * @return zero on success, -1 on failure.
+ */
+GIT_EXTERN(int) git_revert(
+	git_repository *repo,
+	git_commit *commit,
+	const git_revert_options *given_opts);
+
+/** @} */
+GIT_END_DECL
+#endif
+