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1#ifndef BISECT_H
2#define BISECT_H
3
4struct commit_list;
5struct repository;
6struct object_id;
7
8/*
9 * Find bisection. If something is found, `reaches` will be the number of
10 * commits that the best commit reaches. `all` will be the count of
11 * non-SAMETREE commits. If nothing is found, `list` will be NULL.
12 * Otherwise, it will be either all non-SAMETREE commits or the single
13 * best commit, as chosen by `find_all`.
14 */
15void find_bisection(struct commit_list **list, int *reaches, int *all,
16 unsigned bisect_flags);
17
18struct commit_list *filter_skipped(struct commit_list *list,
19 struct commit_list **tried,
20 int show_all,
21 int *count,
22 int *skipped_first);
23
24#define BISECT_SHOW_ALL (1<<0)
25#define REV_LIST_QUIET (1<<1)
26
27#define FIND_BISECTION_ALL (1u<<0)
28#define FIND_BISECTION_FIRST_PARENT_ONLY (1u<<1)
29
30/*
31 * enum bisect_error represents the following return codes:
32 * BISECT_OK: success code. Internally, it means that next
33 * commit has been found (and possibly checked out) and it
34 * should be tested.
35 * BISECT_FAILED error code: default error code.
36 * BISECT_ONLY_SKIPPED_LEFT error code: only skipped
37 * commits left to be tested.
38 * BISECT_MERGE_BASE_CHECK error code: merge base check failed.
39 * BISECT_NO_TESTABLE_COMMIT error code: no testable commit found.
40 * BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND early success code:
41 * first term_bad commit found.
42 * BISECT_INTERNAL_SUCCESS_MERGE_BASE early success
43 * code: found merge base that should be tested.
44 * Early success codes BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND and
45 * BISECT_INTERNAL_SUCCESS_MERGE_BASE should be only internal codes.
46 */
47enum bisect_error {
48 BISECT_OK = 0,
49 BISECT_FAILED = -1,
50 BISECT_ONLY_SKIPPED_LEFT = -2,
51 BISECT_MERGE_BASE_CHECK = -3,
52 BISECT_NO_TESTABLE_COMMIT = -4,
53 BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND = -10,
54 BISECT_INTERNAL_SUCCESS_MERGE_BASE = -11
55};
56
57/*
58 * Stores how many good/bad commits we have stored for a bisect. nr_bad can
59 * only be 0 or 1.
60 */
61struct bisect_state {
62 unsigned int nr_good;
63 unsigned int nr_bad;
64};
65
66enum bisect_error bisect_next_all(struct repository *r, const char *prefix);
67
68int estimate_bisect_steps(int all);
69
70void read_bisect_terms(char **bad, char **good);
71
72int bisect_clean_state(void);
73
74enum bisect_error bisect_checkout(const struct object_id *bisect_rev,
75 int no_checkout);
76
77#endif