Add '--bisect' revision machinery argument
[git/git.git] / revision.h
1 #ifndef REVISION_H
2 #define REVISION_H
3
4 #include "parse-options.h"
5 #include "grep.h"
6
7 #define SEEN (1u<<0)
8 #define UNINTERESTING (1u<<1)
9 #define TREESAME (1u<<2)
10 #define SHOWN (1u<<3)
11 #define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
12 #define BOUNDARY (1u<<5)
13 #define CHILD_SHOWN (1u<<6)
14 #define ADDED (1u<<7) /* Parents already parsed and added? */
15 #define SYMMETRIC_LEFT (1u<<8)
16 #define ALL_REV_FLAGS ((1u<<9)-1)
17
18 #define DECORATE_SHORT_REFS 1
19 #define DECORATE_FULL_REFS 2
20
21 struct rev_info;
22 struct log_info;
23
24 struct rev_info {
25 /* Starting list */
26 struct commit_list *commits;
27 struct object_array pending;
28
29 /* Parents of shown commits */
30 struct object_array boundary_commits;
31
32 /* Basic information */
33 const char *prefix;
34 const char *def;
35 void *prune_data;
36 unsigned int early_output;
37
38 /* Traversal flags */
39 unsigned int dense:1,
40 prune:1,
41 no_merges:1,
42 merges_only:1,
43 no_walk:1,
44 show_all:1,
45 remove_empty_trees:1,
46 simplify_history:1,
47 lifo:1,
48 topo_order:1,
49 simplify_merges:1,
50 simplify_by_decoration:1,
51 tag_objects:1,
52 tree_objects:1,
53 blob_objects:1,
54 edge_hint:1,
55 limited:1,
56 unpacked:1,
57 boundary:2,
58 left_right:1,
59 rewrite_parents:1,
60 print_parents:1,
61 show_source:1,
62 show_decorations:1,
63 reverse:1,
64 reverse_output_stage:1,
65 cherry_pick:1,
66 bisect:1,
67 first_parent_only:1;
68
69 /* Diff flags */
70 unsigned int diff:1,
71 full_diff:1,
72 show_root_diff:1,
73 no_commit_id:1,
74 verbose_header:1,
75 ignore_merges:1,
76 combine_merges:1,
77 dense_combined_merges:1,
78 always_show_header:1;
79
80 /* Format info */
81 unsigned int shown_one:1,
82 show_merge:1,
83 abbrev_commit:1,
84 use_terminator:1,
85 missing_newline:1,
86 date_mode_explicit:1;
87 enum date_mode date_mode;
88
89 unsigned int abbrev;
90 enum cmit_fmt commit_format;
91 struct log_info *loginfo;
92 int nr, total;
93 const char *mime_boundary;
94 const char *patch_suffix;
95 int numbered_files;
96 char *message_id;
97 struct string_list *ref_message_ids;
98 const char *add_signoff;
99 const char *extra_headers;
100 const char *log_reencode;
101 const char *subject_prefix;
102 int no_inline;
103 int show_log_size;
104
105 /* Filter by commit log message */
106 struct grep_opt grep_filter;
107
108 /* Display history graph */
109 struct git_graph *graph;
110
111 /* special limits */
112 int skip_count;
113 int max_count;
114 unsigned long max_age;
115 unsigned long min_age;
116
117 /* diff info for patches and for paths limiting */
118 struct diff_options diffopt;
119 struct diff_options pruning;
120
121 struct reflog_walk_info *reflog_info;
122 struct decoration children;
123 struct decoration merge_simplification;
124 };
125
126 #define REV_TREE_SAME 0
127 #define REV_TREE_NEW 1 /* Only new files */
128 #define REV_TREE_OLD 2 /* Only files removed */
129 #define REV_TREE_DIFFERENT 3 /* Mixed changes */
130
131 /* revision.c */
132 void read_revisions_from_stdin(struct rev_info *revs);
133
134 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
135 extern volatile show_early_output_fn_t show_early_output;
136
137 extern void init_revisions(struct rev_info *revs, const char *prefix);
138 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
139 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
140 const struct option *options,
141 const char * const usagestr[]);
142 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
143
144 extern int prepare_revision_walk(struct rev_info *revs);
145 extern struct commit *get_revision(struct rev_info *revs);
146
147 extern void mark_parents_uninteresting(struct commit *commit);
148 extern void mark_tree_uninteresting(struct tree *tree);
149
150 struct name_path {
151 struct name_path *up;
152 int elem_len;
153 const char *elem;
154 };
155
156 char *path_name(const struct name_path *path, const char *name);
157
158 extern void add_object(struct object *obj,
159 struct object_array *p,
160 struct name_path *path,
161 const char *name);
162
163 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
164
165 extern void add_head_to_pending(struct rev_info *);
166
167 enum commit_action {
168 commit_ignore,
169 commit_show,
170 commit_error
171 };
172
173 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
174 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
175
176 #endif