git/sequencer.h

#ifndef SEQUENCER_H
#define SEQUENCER_H

#include "strbuf.h"
#include "strvec.h"
#include "wt-status.h"

struct commit;
struct index_state;
struct repository;

const char *git_path_commit_editmsg(void);
const char *rebase_path_todo(void);
const char *rebase_path_todo_backup(void);
const char *rebase_path_dropped(void);

extern const char *rebase_resolvemsg;

#define APPEND_SIGNOFF_DEDUP …

enum replay_action { … };

enum commit_msg_cleanup_mode { … };

struct replay_ctx;
struct replay_ctx* replay_ctx_new(void);

struct replay_opts { … };
#define REPLAY_OPTS_INIT …

/*
 * Note that ordering matters in this enum. Not only must it match the mapping
 * of todo_command_info (in sequencer.c), it is also divided into several
 * sections that matter.  When adding new commands, make sure you add it in the
 * right section.
 */
enum todo_command { … };

struct todo_item { … };

struct todo_list { … };

#define TODO_LIST_INIT …

int todo_list_parse_insn_buffer(struct repository *r, struct replay_opts *opts,
				char *buf, struct todo_list *todo_list);
int todo_list_write_to_file(struct repository *r, struct todo_list *todo_list,
			    const char *file, const char *shortrevisions,
			    const char *shortonto, int num, unsigned flags);
void todo_list_release(struct todo_list *todo_list);
const char *todo_item_get_arg(struct todo_list *todo_list,
			      struct todo_item *item);

/*
 * Parse the update-refs file for the current rebase, then remove the
 * refs that do not appear in the todo_list (and have not had updated
 * values stored) and add refs that are in the todo_list but not
 * represented in the update-refs file.
 *
 * If there are changes to the update-refs list, then write the new state
 * to disk.
 */
void todo_list_filter_update_refs(struct repository *r,
				  struct todo_list *todo_list);

/* Call this to setup defaults before parsing command line options */
void sequencer_init_config(struct replay_opts *opts);
int sequencer_pick_revisions(struct repository *repo,
			     struct replay_opts *opts);
int sequencer_continue(struct repository *repo, struct replay_opts *opts);
int sequencer_rollback(struct repository *repo, struct replay_opts *opts);
int sequencer_skip(struct repository *repo, struct replay_opts *opts);
void replay_opts_release(struct replay_opts *opts);
int sequencer_remove_state(struct replay_opts *opts);

#define TODO_LIST_KEEP_EMPTY …
#define TODO_LIST_SHORTEN_IDS …
#define TODO_LIST_ABBREVIATE_CMDS …
#define TODO_LIST_REBASE_MERGES …
/*
 * 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 …
#define TODO_LIST_APPEND_TODO_HELP …
/*
 * 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 …
#define TODO_LIST_REAPPLY_CHERRY_PICKS …
#define TODO_LIST_WARN_SKIPPED_CHERRY_PICKS …

int sequencer_make_script(struct repository *r, struct strbuf *out, int argc,
			  const char **argv, unsigned flags);

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,
		    unsigned update_refs,
		    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);

void create_autostash(struct repository *r, const char *path);
void create_autostash_ref(struct repository *r, const char *refname);
int save_autostash(const char *path);
int save_autostash_ref(struct repository *r, const char *refname);
int apply_autostash(const char *path);
int apply_autostash_oid(const char *stash_oid);
int apply_autostash_ref(struct repository *r, const char *refname);

#define SUMMARY_INITIAL_COMMIT …
#define SUMMARY_SHOW_AUTHOR_DATE …
void print_commit_summary(struct repository *repo,
			  const char *prefix,
			  const struct object_id *oid,
			  unsigned int flags);

#define READ_ONELINER_SKIP_IF_EMPTY …
#define READ_ONELINER_WARN_MISSING …

/*
 * Reads a file that was presumably written by a shell script, i.e. with an
 * end-of-line marker that needs to be stripped.
 *
 * Note that only the last end-of-line marker is stripped, consistent with the
 * behavior of "$(cat path)" in a shell script.
 *
 * Returns 1 if the file was read, 0 if it could not be read or does not exist.
 */
int read_oneliner(struct strbuf *buf,
	const char *path, unsigned flags);
int read_author_script(const char *path, char **name, char **email, char **date,
		       int allow_missing);
int write_basic_state(struct replay_opts *opts, const char *head_name,
		      struct commit *onto, const struct object_id *orig_head);
void sequencer_post_commit_cleanup(struct repository *r, int verbose);
int sequencer_get_last_command(struct repository* r,
			       enum replay_action *action);
int sequencer_determine_whence(struct repository *r, enum commit_whence *whence);

/**
 * Append the set of ref-OID pairs that are currently stored for the 'git
 * rebase --update-refs' feature if such a rebase is currently happening.
 *
 * Localized to a worktree's git dir.
 */
int sequencer_get_update_refs_state(const char *wt_dir, struct string_list *refs);

#endif /* SEQUENCER_H */