1 files changed, 10 insertions, 0 deletions
diff --git a/commit.h b/commit.h
index 5406dd2663..81e047f820 100644
--- a/commit.h
+++ b/commit.h
@@ -381,4 +381,14 @@ int parse_buffer_signed_by_header(const char *buffer,
 				  const struct git_hash_algo *algop);
 int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo);
 
+struct commit_stack {
+	struct commit **items;
+	size_t nr, alloc;
+};
+#define COMMIT_STACK_INIT { 0 }
+
+void commit_stack_push(struct commit_stack *, struct commit *);
+struct commit *commit_stack_pop(struct commit_stack *);
+void commit_stack_clear(struct commit_stack *);
+
 #endif /* COMMIT_H */