sequencer: refactor check_todo_list() to work on a todo_list
[git/git.git] / sequencer.h
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1#ifndef SEQUENCER_H
2#define SEQUENCER_H
3
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4#include "cache.h"
5#include "strbuf.h"
6
7struct commit;
f11c9580 8struct repository;
ef3ca954 9
66618a50 10const char *git_path_commit_editmsg(void);
8a2a0f53 11const char *git_path_seq_dir(void);
44b776c3 12const char *rebase_path_todo(void);
26ae337b 13
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14#define APPEND_SIGNOFF_DEDUP (1u << 0)
15
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16enum replay_action {
17 REPLAY_REVERT,
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18 REPLAY_PICK,
19 REPLAY_INTERACTIVE_REBASE
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20};
21
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22enum commit_msg_cleanup_mode {
23 COMMIT_MSG_CLEANUP_SPACE,
24 COMMIT_MSG_CLEANUP_NONE,
25 COMMIT_MSG_CLEANUP_SCISSORS,
26 COMMIT_MSG_CLEANUP_ALL
27};
28
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29struct replay_opts {
30 enum replay_action action;
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31
32 /* Boolean options */
33 int edit;
34 int record_origin;
35 int no_commit;
36 int signoff;
37 int allow_ff;
38 int allow_rerere_auto;
df478b74 39 int allow_empty;
4bee9584 40 int allow_empty_message;
b27cfb0d 41 int keep_redundant_commits;
556907f1 42 int verbose;
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43
44 int mainline;
45
03a4e260 46 char *gpg_sign;
28d6daed 47 enum commit_msg_cleanup_mode default_msg_cleanup;
3253553e 48
043a4492 49 /* Merge strategy */
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50 char *strategy;
51 char **xopts;
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52 size_t xopts_nr, xopts_alloc;
53
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54 /* Used by fixup/squash */
55 struct strbuf current_fixups;
56 int current_fixup_count;
57
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58 /* placeholder commit for -i --root */
59 struct object_id squash_onto;
60 int have_squash_onto;
61
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62 /* Only used by REPLAY_NONE */
63 struct rev_info *revs;
64};
e12a7ef5 65#define REPLAY_OPTS_INIT { .action = -1, .current_fixups = STRBUF_INIT }
043a4492 66
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67int write_message(const void *buf, size_t len, const char *filename,
68 int append_eol);
69
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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 */
76enum 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
97struct todo_item {
98 enum todo_command command;
99 struct commit *commit;
100 unsigned int flags;
5d94d545 101 int arg_len;
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102 /* The offset of the command and its argument in the strbuf */
103 size_t offset_in_buf, arg_offset;
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104};
105
106struct 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
116int todo_list_parse_insn_buffer(struct repository *r, char *buf,
117 struct todo_list *todo_list);
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118int 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);
5d94d545 121void todo_list_release(struct todo_list *todo_list);
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122const char *todo_item_get_arg(struct todo_list *todo_list,
123 struct todo_item *item);
5d94d545 124
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125/* Call this to setup defaults before parsing command line options */
126void sequencer_init_config(struct replay_opts *opts);
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127int sequencer_pick_revisions(struct repository *repo,
128 struct replay_opts *opts);
129int sequencer_continue(struct repository *repo, struct replay_opts *opts);
005af339 130int sequencer_rollback(struct repository *repo, struct replay_opts *opts);
2863584f 131int sequencer_remove_state(struct replay_opts *opts);
043a4492 132
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133#define TODO_LIST_KEEP_EMPTY (1U << 0)
134#define TODO_LIST_SHORTEN_IDS (1U << 1)
d8ae6c84 135#define TODO_LIST_ABBREVIATE_CMDS (1U << 2)
1644c73c 136#define TODO_LIST_REBASE_MERGES (1U << 3)
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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)
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143#define TODO_LIST_APPEND_TODO_HELP (1U << 5)
144
145int sequencer_make_script(struct repository *r, FILE *out, int argc,
146 const char **argv,
313a48ea 147 unsigned flags);
62db5247 148
005af339 149int sequencer_add_exec_commands(struct repository *r, const char *command);
cbef27d6 150int transform_todo_file(struct repository *r, unsigned flags);
6ca89c6f 151int check_todo_list_from_file(struct repository *r);
005af339 152int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags,
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153 const char *shortrevisions, const char *onto_name,
154 const char *onto, const char *orig_head, const char *cmd,
155 unsigned autosquash);
005af339 156int rearrange_squash(struct repository *r);
3546c8d9 157
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158extern const char sign_off_header[];
159
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160/*
161 * Append a signoff to the commit message in "msgbuf". The ignore_footer
162 * parameter specifies the number of bytes at the end of msgbuf that should
163 * not be considered at all. I.e., they are not checked for existing trailers,
164 * and the new signoff will be spliced into the buffer before those bytes.
165 */
166void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag);
167
f11c9580 168void append_conflicts_hint(struct index_state *istate, struct strbuf *msgbuf);
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169int message_is_empty(const struct strbuf *sb,
170 enum commit_msg_cleanup_mode cleanup_mode);
171int template_untouched(const struct strbuf *sb, const char *template_file,
172 enum commit_msg_cleanup_mode cleanup_mode);
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173int update_head_with_reflog(const struct commit *old_head,
174 const struct object_id *new_head,
175 const char *action, const struct strbuf *msg,
176 struct strbuf *err);
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177void commit_post_rewrite(const struct commit *current_head,
178 const struct object_id *new_head);
5ed75e2a 179
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180int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit);
181
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182#define SUMMARY_INITIAL_COMMIT (1 << 0)
183#define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)
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184void print_commit_summary(struct repository *repo,
185 const char *prefix,
186 const struct object_id *oid,
e47c6caf 187 unsigned int flags);
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188
189int read_author_script(const char *path, char **name, char **email, char **date,
190 int allow_missing);
26ae337b 191#endif
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192
193void parse_strategy_opts(struct replay_opts *opts, char *raw_opts);
194int write_basic_state(struct replay_opts *opts, const char *head_name,
195 const char *onto, const char *orig_head);