FIXME: hotpatch for compatibility with latest hg
[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_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                         abbrev_commit_given:1,
95                         use_terminator:1,
96                         missing_newline:1,
97                         date_mode_explicit:1,
98                         preserve_subject:1;
99         unsigned int    disable_stdin:1;
100
101         enum date_mode date_mode;
102
103         unsigned int    abbrev;
104         enum cmit_fmt   commit_format;
105         struct log_info *loginfo;
106         int             nr, total;
107         const char      *mime_boundary;
108         const char      *patch_suffix;
109         int             numbered_files;
110         char            *message_id;
111         struct string_list *ref_message_ids;
112         const char      *add_signoff;
113         const char      *extra_headers;
114         const char      *log_reencode;
115         const char      *subject_prefix;
116         int             no_inline;
117         int             show_log_size;
118
119         /* Filter by commit log message */
120         struct grep_opt grep_filter;
121
122         /* Display history graph */
123         struct git_graph *graph;
124
125         /* special limits */
126         int skip_count;
127         int max_count;
128         unsigned long max_age;
129         unsigned long min_age;
130         int min_parents;
131         int max_parents;
132
133         /* diff info for patches and for paths limiting */
134         struct diff_options diffopt;
135         struct diff_options pruning;
136
137         struct reflog_walk_info *reflog_info;
138         struct decoration children;
139         struct decoration merge_simplification;
140
141         /* notes-specific options: which refs to show */
142         struct display_notes_opt notes_opt;
143
144         /* commit counts */
145         int count_left;
146         int count_right;
147         int count_same;
148 };
149
150 #define REV_TREE_SAME           0
151 #define REV_TREE_NEW            1       /* Only new files */
152 #define REV_TREE_OLD            2       /* Only files removed */
153 #define REV_TREE_DIFFERENT      3       /* Mixed changes */
154
155 /* revision.c */
156 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
157 extern volatile show_early_output_fn_t show_early_output;
158
159 struct setup_revision_opt {
160         const char *def;
161         void (*tweak)(struct rev_info *, struct setup_revision_opt *);
162         const char *submodule;
163 };
164
165 extern void init_revisions(struct rev_info *revs, const char *prefix);
166 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
167 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
168                                  const struct option *options,
169                                  const char * const usagestr[]);
170 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
171
172 extern int prepare_revision_walk(struct rev_info *revs);
173 extern struct commit *get_revision(struct rev_info *revs);
174 extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
175 extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
176
177 extern void mark_parents_uninteresting(struct commit *commit);
178 extern void mark_tree_uninteresting(struct tree *tree);
179
180 struct name_path {
181         struct name_path *up;
182         int elem_len;
183         const char *elem;
184 };
185
186 char *path_name(const struct name_path *path, const char *name);
187
188 extern void show_object_with_name(FILE *, struct object *, const struct name_path *, const char *);
189
190 extern void add_object(struct object *obj,
191                        struct object_array *p,
192                        struct name_path *path,
193                        const char *name);
194
195 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
196
197 extern void add_head_to_pending(struct rev_info *);
198
199 enum commit_action {
200         commit_ignore,
201         commit_show,
202         commit_error
203 };
204
205 extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
206 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
207
208 #endif