blob: c997d8ca9df1e49aa1cfbdc1d2413e7be98ddcbb [file] [log] [blame]
* 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_graph_h__
#define INCLUDE_git_graph_h__
#include "common.h"
#include "types.h"
#include "oid.h"
* @file git2/graph.h
* @brief Git graph traversal routines
* @defgroup git_revwalk Git graph traversal routines
* @ingroup Git
* @{
* Count the number of unique commits between two commit objects
* There is no need for branches containing the commits to have any
* upstream relationship, but it helps to think of one as a branch and
* the other as its upstream, the `ahead` and `behind` values will be
* what git would report for the branches.
* @param ahead number of unique from commits in `upstream`
* @param behind number of unique from commits in `local`
* @param repo the repository where the commits exist
* @param local the commit for local
* @param upstream the commit for upstream
GIT_EXTERN(int) git_graph_ahead_behind(size_t *ahead, size_t *behind, git_repository *repo, const git_oid *local, const git_oid *upstream);
* Determine if a commit is the descendant of another commit.
* @param commit a previously loaded commit.
* @param ancestor a potential ancestor commit.
* @return 1 if the given commit is a descendant of the potential ancestor,
* 0 if not, error code otherwise.
GIT_EXTERN(int) git_graph_descendant_of(
git_repository *repo,
const git_oid *commit,
const git_oid *ancestor);
/** @} */