Merge branch 'bk/ancestry-path' into jc/branch-desc
[git/git.git] / revision.h
1 #ifndef REVISION_H
2 #define REVISION_H
3
4 #include "parse-options.h"
5 #include "grep.h"
6 #include "notes.h"
7
8 #define SEEN (1u<<0)
9 #define UNINTERESTING (1u<<1)
10 #define TREESAME (1u<<2)
11 #define SHOWN (1u<<3)
12 #define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
13 #define BOUNDARY (1u<<5)
14 #define CHILD_SHOWN (1u<<6)
15 #define ADDED (1u<<7) /* Parents already parsed and added? */
16 #define SYMMETRIC_LEFT (1u<<8)
17 #define PATCHSAME (1u<<9)
18 #define ALL_REV_FLAGS ((1u<<10)-1)
19
20 #define DECORATE_SHORT_REFS 1
21 #define DECORATE_FULL_REFS 2
22
23 struct rev_info;
24 struct log_info;
25 struct string_list;
26
27 struct rev_cmdline_info {
28 unsigned int nr;
29 unsigned int alloc;
30 struct rev_cmdline_entry {
31 struct object *item;
32 const char *name;
33 enum {
34 REV_CMD_REF,
35 REV_CMD_PARENTS_ONLY,
36 REV_CMD_LEFT,
37 REV_CMD_RIGHT,
38 REV_CMD_REV
39 } whence;
40 unsigned flags;
41 } *rev;
42 };
43
44 struct rev_info {
45 /* Starting list */
46 struct commit_list *commits;
47 struct object_array pending;
48
49 /* Parents of shown commits */
50 struct object_array boundary_commits;
51
52 /* The end-points specified by the end user */
53 struct rev_cmdline_info cmdline;
54
55 /* Basic information */
56 const char *prefix;
57 const char *def;
58 struct pathspec prune_data;
59 unsigned int early_output:1,
60 ignore_missing:1;
61
62 /* Traversal flags */
63 unsigned int dense:1,
64 prune:1,
65 no_walk:1,
66 show_all:1,
67 remove_empty_trees:1,
68 simplify_history:1,
69 lifo:1,
70 topo_order:1,
71 simplify_merges:1,
72 simplify_by_decoration:1,
73 tag_objects:1,
74 tree_objects:1,
75 blob_objects:1,
76 edge_hint:1,
77 limited:1,
78 unpacked:1,
79 boundary:2,
80 count:1,
81 left_right:1,
82 left_only:1,
83 right_only:1,
84 rewrite_parents:1,
85 print_parents:1,
86 show_source:1,
87 show_decorations:1,
88 reverse:1,
89 reverse_output_stage:1,
90 cherry_pick:1,
91 cherry_mark:1,
92 bisect:1,
93 ancestry_path:1,
94 first_parent_only:1;
95
96 /* Diff flags */
97 unsigned int diff:1,
98 full_diff:1,
99 show_root_diff:1,
100 no_commit_id:1,
101 verbose_header:1,
102 ignore_merges:1,
103 combine_merges:1,
104 dense_combined_merges:1,
105 always_show_header:1;
106
107 /* Format info */
108 unsigned int shown_one:1,
109 show_merge:1,
110 show_notes:1,
111 show_notes_given:1,
112 pretty_given:1,
113 abbrev_commit:1,
114 abbrev_commit_given:1,
115 use_terminator:1,
116 missing_newline:1,
117 date_mode_explicit:1,
118 preserve_subject:1;
119 unsigned int disable_stdin:1;
120
121 enum date_mode date_mode;
122
123 unsigned int abbrev;
124 enum cmit_fmt commit_format;
125 struct log_info *loginfo;
126 int nr, total;
127 const char *mime_boundary;
128 const char *patch_suffix;
129 int numbered_files;
130 char *message_id;
131 struct string_list *ref_message_ids;
132 const char *add_signoff;
133 const char *extra_headers;
134 const char *log_reencode;
135 const char *subject_prefix;
136 int no_inline;
137 int show_log_size;
138
139 /* Filter by commit log message */
140 struct grep_opt grep_filter;
141
142 /* Display history graph */
143 struct git_graph *graph;
144
145 /* special limits */
146 int skip_count;
147 int max_count;
148 unsigned long max_age;
149 unsigned long min_age;
150 int min_parents;
151 int max_parents;
152
153 /* diff info for patches and for paths limiting */
154 struct diff_options diffopt;
155 struct diff_options pruning;
156
157 struct reflog_walk_info *reflog_info;
158 struct decoration children;
159 struct decoration merge_simplification;
160
161 /* notes-specific options: which refs to show */
162 struct display_notes_opt notes_opt;
163
164 /* commit counts */
165 int count_left;
166 int count_right;
167 int count_same;
168 };
169
170 #define REV_TREE_SAME 0
171 #define REV_TREE_NEW 1 /* Only new files */
172 #define REV_TREE_OLD 2 /* Only files removed */
173 #define REV_TREE_DIFFERENT 3 /* Mixed changes */
174
175 /* revision.c */
176 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
177 extern volatile show_early_output_fn_t show_early_output;
178
179 struct setup_revision_opt {
180 const char *def;
181 void (*tweak)(struct rev_info *, struct setup_revision_opt *);
182 const char *submodule;
183 };
184
185 extern void init_revisions(struct rev_info *revs, const char *prefix);
186 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
187 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
188 const struct option *options,
189 const char * const usagestr[]);
190 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
191
192 extern int prepare_revision_walk(struct rev_info *revs);
193 extern struct commit *get_revision(struct rev_info *revs);
194 extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
195 extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
196
197 extern void mark_parents_uninteresting(struct commit *commit);
198 extern void mark_tree_uninteresting(struct tree *tree);
199
200 struct name_path {
201 struct name_path *up;
202 int elem_len;
203 const char *elem;
204 };
205
206 char *path_name(const struct name_path *path, const char *name);
207
208 extern void add_object(struct object *obj,
209 struct object_array *p,
210 struct name_path *path,
211 const char *name);
212
213 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
214
215 extern void add_head_to_pending(struct rev_info *);
216
217 enum commit_action {
218 commit_ignore,
219 commit_show,
220 commit_error
221 };
222
223 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
224 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
225
226 #endif