Add a 'source' decorator for commits
[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 struct rev_info;
19 struct log_info;
20
21 struct rev_info {
22 /* Starting list */
23 struct commit_list *commits;
24 struct object_array pending;
25
26 /* Parents of shown commits */
27 struct object_array boundary_commits;
28
29 /* Basic information */
30 const char *prefix;
31 const char *def;
32 void *prune_data;
33 unsigned int early_output;
34
35 /* Traversal flags */
36 unsigned int dense:1,
37 prune:1,
38 no_merges:1,
39 no_walk:1,
40 show_all:1,
41 remove_empty_trees:1,
42 simplify_history:1,
43 lifo:1,
44 topo_order:1,
45 simplify_merges:1,
46 tag_objects:1,
47 tree_objects:1,
48 blob_objects:1,
49 edge_hint:1,
50 limited:1,
51 unpacked:1, /* see also ignore_packed below */
52 boundary:2,
53 left_right:1,
54 rewrite_parents:1,
55 print_parents:1,
56 show_source:1,
57 reverse:1,
58 reverse_output_stage:1,
59 cherry_pick:1,
60 first_parent_only:1;
61
62 /* Diff flags */
63 unsigned int diff:1,
64 full_diff:1,
65 show_root_diff:1,
66 no_commit_id:1,
67 verbose_header:1,
68 ignore_merges:1,
69 combine_merges:1,
70 dense_combined_merges:1,
71 always_show_header:1;
72
73 /* Format info */
74 unsigned int shown_one:1,
75 show_merge:1,
76 abbrev_commit:1,
77 use_terminator:1,
78 missing_newline:1;
79 enum date_mode date_mode;
80
81 const char **ignore_packed; /* pretend objects in these are unpacked */
82 int num_ignore_packed;
83
84 unsigned int abbrev;
85 enum cmit_fmt commit_format;
86 struct log_info *loginfo;
87 int nr, total;
88 const char *mime_boundary;
89 char *message_id;
90 const char *ref_message_id;
91 const char *add_signoff;
92 const char *extra_headers;
93 const char *log_reencode;
94 const char *subject_prefix;
95 int no_inline;
96 int show_log_size;
97
98 /* Filter by commit log message */
99 struct grep_opt grep_filter;
100
101 /* Display history graph */
102 struct git_graph *graph;
103
104 /* special limits */
105 int skip_count;
106 int max_count;
107 unsigned long max_age;
108 unsigned long min_age;
109
110 /* diff info for patches and for paths limiting */
111 struct diff_options diffopt;
112 struct diff_options pruning;
113
114 struct reflog_walk_info *reflog_info;
115 struct decoration children;
116 struct decoration merge_simplification;
117 };
118
119 #define REV_TREE_SAME 0
120 #define REV_TREE_NEW 1
121 #define REV_TREE_DIFFERENT 2
122
123 /* revision.c */
124 void read_revisions_from_stdin(struct rev_info *revs);
125
126 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
127 extern volatile show_early_output_fn_t show_early_output;
128
129 extern void init_revisions(struct rev_info *revs, const char *prefix);
130 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
131 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
132 const struct option *options,
133 const char * const usagestr[]);
134 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
135
136 extern int prepare_revision_walk(struct rev_info *revs);
137 extern struct commit *get_revision(struct rev_info *revs);
138
139 extern void mark_parents_uninteresting(struct commit *commit);
140 extern void mark_tree_uninteresting(struct tree *tree);
141
142 struct name_path {
143 struct name_path *up;
144 int elem_len;
145 const char *elem;
146 };
147
148 extern void add_object(struct object *obj,
149 struct object_array *p,
150 struct name_path *path,
151 const char *name);
152
153 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
154
155 extern void add_head_to_pending(struct rev_info *);
156
157 enum commit_action {
158 commit_ignore,
159 commit_show,
160 commit_error
161 };
162
163 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
164
165 #endif