+#define TODO_LIST_KEEP_EMPTY (1U << 0)
+#define TODO_LIST_SHORTEN_IDS (1U << 1)
+#define TODO_LIST_ABBREVIATE_CMDS (1U << 2)
+#define TODO_LIST_REBASE_MERGES (1U << 3)
+/*
+ * When rebasing merges, commits that do have the base commit as ancestor
+ * ("cousins") are *not* rebased onto the new base by default. If those
+ * commits should be rebased onto the new base, this flag needs to be passed.
+ */
+#define TODO_LIST_REBASE_COUSINS (1U << 4)
+#define TODO_LIST_APPEND_TODO_HELP (1U << 5)
+/*
+ * When generating a script that rebases merges with `--root` *and* with
+ * `--onto`, we do not want to re-generate the root commits.
+ */
+#define TODO_LIST_ROOT_WITH_ONTO (1U << 6)
+#define TODO_LIST_REAPPLY_CHERRY_PICKS (1U << 7)
+
+int sequencer_make_script(struct repository *r, struct strbuf *out, int argc,
+ const char **argv, unsigned flags);
+
+void todo_list_add_exec_commands(struct todo_list *todo_list,
+ struct string_list *commands);
+int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags,
+ const char *shortrevisions, const char *onto_name,
+ struct commit *onto, const struct object_id *orig_head,
+ struct string_list *commands, unsigned autosquash,
+ struct todo_list *todo_list);
+int todo_list_rearrange_squash(struct todo_list *todo_list);
+
+/*
+ * Append a signoff to the commit message in "msgbuf". The ignore_footer
+ * parameter specifies the number of bytes at the end of msgbuf that should
+ * not be considered at all. I.e., they are not checked for existing trailers,
+ * and the new signoff will be spliced into the buffer before those bytes.
+ */
+void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag);
+
+void append_conflicts_hint(struct index_state *istate,
+ struct strbuf *msgbuf, enum commit_msg_cleanup_mode cleanup_mode);
+enum commit_msg_cleanup_mode get_cleanup_mode(const char *cleanup_arg,
+ int use_editor);
+
+void cleanup_message(struct strbuf *msgbuf,
+ enum commit_msg_cleanup_mode cleanup_mode, int verbose);
+
+int message_is_empty(const struct strbuf *sb,
+ enum commit_msg_cleanup_mode cleanup_mode);
+int template_untouched(const struct strbuf *sb, const char *template_file,
+ enum commit_msg_cleanup_mode cleanup_mode);
+int update_head_with_reflog(const struct commit *old_head,
+ const struct object_id *new_head,
+ const char *action, const struct strbuf *msg,
+ struct strbuf *err);
+void commit_post_rewrite(struct repository *r,
+ const struct commit *current_head,
+ const struct object_id *new_head);