1 files changed, 5 insertions, 5 deletions

diff --git a/commit.h b/commit.h
index 62fe0d77a7..442e50ff24 100644
--- a/commit.h
+++ b/commit.h
@@ -260,19 +260,19 @@ struct commit_extra_header {
 	size_t len;
 };
 
-void append_merge_tag_headers(struct commit_list *parents,
+void append_merge_tag_headers(const struct commit_list *parents,
 			      struct commit_extra_header ***tail);
 
 int commit_tree(const char *msg, size_t msg_len,
 		const struct object_id *tree,
-		struct commit_list *parents, struct object_id *ret,
+		const struct commit_list *parents, struct object_id *ret,
 		const char *author, const char *sign_commit);
 
 int commit_tree_extended(const char *msg, size_t msg_len,
 			 const struct object_id *tree,
-			 struct commit_list *parents, struct object_id *ret,
+			 const struct commit_list *parents, struct object_id *ret,
 			 const char *author, const char *committer,
-			 const char *sign_commit, struct commit_extra_header *);
+			 const char *sign_commit, const struct commit_extra_header *);
 
 struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
 
@@ -306,7 +306,7 @@ struct merge_remote_desc {
 	struct object *obj; /* the named object, could be a tag */
 	char name[FLEX_ARRAY];
 };
-struct merge_remote_desc *merge_remote_util(struct commit *);
+struct merge_remote_desc *merge_remote_util(const struct commit *);
 void set_merge_remote_desc(struct commit *commit,
 			   const char *name, struct object *obj);