graph.h in rugged-1.2.0

- old
+ new
@@ -41,18 +41,36 @@
  * Determine if a commit is the descendant of another commit.
  *
  * Note that a commit is not considered a descendant of itself, in contrast
  * to `git merge-base --is-ancestor`.
  *
- * @param commit a previously loaded commit.
- * @param ancestor a potential ancestor commit.
+ * @param repo the repository where the commits exist
+ * @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);
+
+/**
+ * Determine if a commit is reachable from any of a list of commits by
+ * following parent edges.
+ *
+ * @param repo the repository where the commits exist
+ * @param commit a previously loaded commit
+ * @param length the number of commits in the provided `descendant_array`
+ * @param descendant_array oids of the commits
+ * @return 1 if the given commit is an ancestor of any of the given potential
+ * descendants, 0 if not, error code otherwise.
+ */
+GIT_EXTERN(int) git_graph_reachable_from_any(
+	git_repository *repo,
+	const git_oid *commit,
+	const git_oid descendant_array[],
+	size_t length);
 
 /** @} */
 GIT_END_DECL
 #endif