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