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diff --git a/src/git2/revwalk.h b/src/git2/revwalk.h
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+++ b/src/git2/revwalk.h
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+#ifndef INCLUDE_git_revwalk_h__
+#define INCLUDE_git_revwalk_h__
+
+#include "common.h"
+#include "types.h"
+
+/**
+ * @file git/revwalk.h
+ * @brief Git revision traversal routines
+ * @defgroup git_revwalk Git revision traversal routines
+ * @ingroup Git
+ * @{
+ */
+GIT_BEGIN_DECL
+
+/**
+ * Sort the repository contents in no particular ordering;
+ * this sorting is arbitrary, implementation-specific
+ * and subject to change at any time.
+ * This is the default sorting for new walkers.
+ */
+#define GIT_SORT_NONE         (0)
+
+/**
+ * Sort the repository contents in topological order
+ * (parents before children); this sorting mode
+ * can be combined with time sorting.
+ */
+#define GIT_SORT_TOPOLOGICAL  (1 << 0)
+
+/**
+ * Sort the repository contents by commit time;
+ * this sorting mode can be combined with
+ * topological sorting.
+ */
+#define GIT_SORT_TIME         (1 << 1)
+
+/**
+ * Iterate through the repository contents in reverse
+ * order; this sorting mode can be combined with
+ * any of the above.
+ */
+#define GIT_SORT_REVERSE      (1 << 2)
+
+/**
+ * Allocate a new revision walker to iterate through a repo.
+ *
+ * @param walker pointer to the new revision walker
+ * @param repo the repo to walk through
+ * @return 0 on success; error code otherwise
+ */
+GIT_EXTERN(int) git_revwalk_new(git_revwalk **walker, git_repository *repo);
+
+/**
+ * Reset the walking machinery for reuse.
+ * @param walker handle to reset.
+ */
+GIT_EXTERN(void) git_revwalk_reset(git_revwalk *walker);
+
+/**
+ * Mark a commit to start traversal from.
+ * The commit object must belong to the repo which is being walked through.
+ *
+ * @param walker the walker being used for the traversal.
+ * @param commit the commit to start from.
+ */
+GIT_EXTERN(int) git_revwalk_push(git_revwalk *walk, git_commit *commit);
+
+/**
+ * Mark a commit (and its ancestors) uninteresting for the output.
+ * @param walker the walker being used for the traversal.
+ * @param commit the commit that will be ignored during the traversal
+ */
+GIT_EXTERN(int) git_revwalk_hide(git_revwalk *walk, git_commit *commit);
+
+/**
+ * Get the next commit from the revision traversal.
+ * @param walk the walker to pop the commit from.
+ * @return next commit; NULL if there is no more output.
+ */
+GIT_EXTERN(git_commit *) git_revwalk_next(git_revwalk *walk);
+
+/**
+ * Change the sorting mode when iterating through the
+ * repository's contents.
+ * Changing the sorting mode resets the walker.
+ * @param walk the walker being used for the traversal.
+ * @param sort_mode combination of GIT_RPSORT_XXX flags
+ */
+GIT_EXTERN(int) git_revwalk_sorting(git_revwalk *walk, unsigned int sort_mode);
+
+/**
+ * Free a revwalk previously allocated.
+ * @param walk traversal handle to close.  If NULL nothing occurs.
+ */
+GIT_EXTERN(void) git_revwalk_free(git_revwalk *walk);
+
+/**
+ * Return the repository on which this walker
+ * is operating.
+ *
+ * @param walk the revision walker
+ * @return the repository being walked
+ */
+GIT_EXTERN(git_repository *) git_revwalk_repository(git_revwalk *walk);
+
+/** @} */
+GIT_END_DECL
+#endif