sequencer.h

   1 #ifndef SEQUENCER_H
   2 #define SEQUENCER_H
   3
   4 #include "cache.h"
   5 #include "strbuf.h"
   6
   7 struct commit;
   8 struct repository;
   9
  10 const char *git_path_commit_editmsg(void);
  11 const char *git_path_seq_dir(void);
  12 const char *rebase_path_todo(void);
  13 const char *rebase_path_todo_backup(void);
  14
  15 #define APPEND_SIGNOFF_DEDUP (1u << 0)
  16
  17 enum replay_action {
  18         REPLAY_REVERT,
  19         REPLAY_PICK,
  20         REPLAY_INTERACTIVE_REBASE
  21 };
  22
  23 enum commit_msg_cleanup_mode {
  24         COMMIT_MSG_CLEANUP_SPACE,
  25         COMMIT_MSG_CLEANUP_NONE,
  26         COMMIT_MSG_CLEANUP_SCISSORS,
  27         COMMIT_MSG_CLEANUP_ALL
  28 };
  29
  30 struct replay_opts {
  31         enum replay_action action;
  32
  33         /* Boolean options */
  34         int edit;
  35         int record_origin;
  36         int no_commit;
  37         int signoff;
  38         int allow_ff;
  39         int allow_rerere_auto;
  40         int allow_empty;
  41         int allow_empty_message;
  42         int keep_redundant_commits;
  43         int verbose;
  44         int quiet;
  45         int reschedule_failed_exec;
  46
  47         int mainline;
  48
  49         char *gpg_sign;
  50         enum commit_msg_cleanup_mode default_msg_cleanup;
  51
  52         /* Merge strategy */
  53         char *strategy;
  54         char **xopts;
  55         size_t xopts_nr, xopts_alloc;
  56
  57         /* Used by fixup/squash */
  58         struct strbuf current_fixups;
  59         int current_fixup_count;
  60
  61         /* placeholder commit for -i --root */
  62         struct object_id squash_onto;
  63         int have_squash_onto;
  64
  65         /* Only used by REPLAY_NONE */
  66         struct rev_info *revs;
  67 };
  68 #define REPLAY_OPTS_INIT { .action = -1, .current_fixups = STRBUF_INIT }
  69
  70 /*
  71  * Note that ordering matters in this enum. Not only must it match the mapping
  72  * of todo_command_info (in sequencer.c), it is also divided into several
  73  * sections that matter.  When adding new commands, make sure you add it in the
  74  * right section.
  75  */
  76 enum todo_command {
  77         /* commands that handle commits */
  78         TODO_PICK = 0,
  79         TODO_REVERT,
  80         TODO_EDIT,
  81         TODO_REWORD,
  82         TODO_FIXUP,
  83         TODO_SQUASH,
  84         /* commands that do something else than handling a single commit */
  85         TODO_EXEC,
  86         TODO_BREAK,
  87         TODO_LABEL,
  88         TODO_RESET,
  89         TODO_MERGE,
  90         /* commands that do nothing but are counted for reporting progress */
  91         TODO_NOOP,
  92         TODO_DROP,
  93         /* comments (not counted for reporting progress) */
  94         TODO_COMMENT
  95 };
  96
  97 struct todo_item {
  98         enum todo_command command;
  99         struct commit *commit;
 100         unsigned int flags;
 101         int arg_len;
 102         /* The offset of the command and its argument in the strbuf */
 103         size_t offset_in_buf, arg_offset;
 104 };
 105
 106 struct todo_list {
 107         struct strbuf buf;
 108         struct todo_item *items;
 109         int nr, alloc, current;
 110         int done_nr, total_nr;
 111         struct stat_data stat;
 112 };
 113
 114 #define TODO_LIST_INIT { STRBUF_INIT }
 115
 116 int todo_list_parse_insn_buffer(struct repository *r, char *buf,
 117                                 struct todo_list *todo_list);
 118 int todo_list_write_to_file(struct repository *r, struct todo_list *todo_list,
 119                             const char *file, const char *shortrevisions,
 120                             const char *shortonto, int num, unsigned flags);
 121 void todo_list_release(struct todo_list *todo_list);
 122 const char *todo_item_get_arg(struct todo_list *todo_list,
 123                               struct todo_item *item);
 124
 125 /* Call this to setup defaults before parsing command line options */
 126 void sequencer_init_config(struct replay_opts *opts);
 127 int sequencer_pick_revisions(struct repository *repo,
 128                              struct replay_opts *opts);
 129 int sequencer_continue(struct repository *repo, struct replay_opts *opts);
 130 int sequencer_rollback(struct repository *repo, struct replay_opts *opts);
 131 int sequencer_remove_state(struct replay_opts *opts);
 132
 133 #define TODO_LIST_KEEP_EMPTY (1U << 0)
 134 #define TODO_LIST_SHORTEN_IDS (1U << 1)
 135 #define TODO_LIST_ABBREVIATE_CMDS (1U << 2)
 136 #define TODO_LIST_REBASE_MERGES (1U << 3)
 137 /*
 138  * When rebasing merges, commits that do have the base commit as ancestor
 139  * ("cousins") are *not* rebased onto the new base by default. If those
 140  * commits should be rebased onto the new base, this flag needs to be passed.
 141  */
 142 #define TODO_LIST_REBASE_COUSINS (1U << 4)
 143 #define TODO_LIST_APPEND_TODO_HELP (1U << 5)
 144
 145 int sequencer_make_script(struct repository *r, struct strbuf *out, int argc,
 146                           const char **argv, unsigned flags);
 147
 148 void todo_list_add_exec_commands(struct todo_list *todo_list,
 149                                  struct string_list *commands);
 150 int check_todo_list_from_file(struct repository *r);
 151 int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags,
 152                     const char *shortrevisions, const char *onto_name,
 153                     const char *onto, const char *orig_head, struct string_list *commands,
 154                     unsigned autosquash, struct todo_list *todo_list);
 155 int todo_list_rearrange_squash(struct todo_list *todo_list);
 156
 157 /*
 158  * Append a signoff to the commit message in "msgbuf". The ignore_footer
 159  * parameter specifies the number of bytes at the end of msgbuf that should
 160  * not be considered at all. I.e., they are not checked for existing trailers,
 161  * and the new signoff will be spliced into the buffer before those bytes.
 162  */
 163 void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag);
 164
 165 void append_conflicts_hint(struct index_state *istate, struct strbuf *msgbuf);
 166 int message_is_empty(const struct strbuf *sb,
 167                      enum commit_msg_cleanup_mode cleanup_mode);
 168 int template_untouched(const struct strbuf *sb, const char *template_file,
 169                        enum commit_msg_cleanup_mode cleanup_mode);
 170 int update_head_with_reflog(const struct commit *old_head,
 171                             const struct object_id *new_head,
 172                             const char *action, const struct strbuf *msg,
 173                             struct strbuf *err);
 174 void commit_post_rewrite(struct repository *r,
 175                          const struct commit *current_head,
 176                          const struct object_id *new_head);
 177
 178 int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit);
 179
 180 #define SUMMARY_INITIAL_COMMIT   (1 << 0)
 181 #define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)
 182 void print_commit_summary(struct repository *repo,
 183                           const char *prefix,
 184                           const struct object_id *oid,
 185                           unsigned int flags);
 186
 187 int read_author_script(const char *path, char **name, char **email, char **date,
 188                        int allow_missing);
 189 #endif
 190
 191 void parse_strategy_opts(struct replay_opts *opts, char *raw_opts);
 192 int write_basic_state(struct replay_opts *opts, const char *head_name,
 193                       const char *onto, const char *orig_head);