git log: Unify header_filter and message_filter into one.
[git/git.git] / revision.h
1 #ifndef REVISION_H
2 #define REVISION_H
3
4 #define SEEN (1u<<0)
5 #define UNINTERESTING (1u<<1)
6 #define TREECHANGE (1u<<2)
7 #define SHOWN (1u<<3)
8 #define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
9 #define BOUNDARY (1u<<5)
10 #define BOUNDARY_SHOW (1u<<6)
11 #define ADDED (1u<<7) /* Parents already parsed and added? */
12
13 struct rev_info;
14 struct log_info;
15
16 typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
17
18 struct rev_info {
19 /* Starting list */
20 struct commit_list *commits;
21 struct object_array pending;
22
23 /* Basic information */
24 const char *prefix;
25 void *prune_data;
26 prune_fn_t *prune_fn;
27
28 /* Traversal flags */
29 unsigned int dense:1,
30 no_merges:1,
31 no_walk:1,
32 remove_empty_trees:1,
33 simplify_history:1,
34 lifo:1,
35 topo_order:1,
36 tag_objects:1,
37 tree_objects:1,
38 blob_objects:1,
39 edge_hint:1,
40 limited:1,
41 unpacked:1, /* see also ignore_packed below */
42 boundary:1,
43 parents:1;
44
45 /* Diff flags */
46 unsigned int diff:1,
47 full_diff:1,
48 show_root_diff:1,
49 no_commit_id:1,
50 verbose_header:1,
51 ignore_merges:1,
52 combine_merges:1,
53 dense_combined_merges:1,
54 always_show_header:1;
55
56 /* Format info */
57 unsigned int shown_one:1,
58 abbrev_commit:1,
59 relative_date:1;
60
61 const char **ignore_packed; /* pretend objects in these are unpacked */
62 int num_ignore_packed;
63
64 unsigned int abbrev;
65 enum cmit_fmt commit_format;
66 struct log_info *loginfo;
67 int nr, total;
68 const char *mime_boundary;
69 const char *message_id;
70 const char *ref_message_id;
71 const char *add_signoff;
72 const char *extra_headers;
73
74 /* Filter by commit log message */
75 struct grep_opt *grep_filter;
76
77 /* special limits */
78 int max_count;
79 unsigned long max_age;
80 unsigned long min_age;
81
82 /* diff info for patches and for paths limiting */
83 struct diff_options diffopt;
84 struct diff_options pruning;
85
86 topo_sort_set_fn_t topo_setter;
87 topo_sort_get_fn_t topo_getter;
88 };
89
90 #define REV_TREE_SAME 0
91 #define REV_TREE_NEW 1
92 #define REV_TREE_DIFFERENT 2
93
94 /* revision.c */
95 extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
96 extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
97
98 extern void init_revisions(struct rev_info *revs, const char *prefix);
99 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
100 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
101
102 extern void prepare_revision_walk(struct rev_info *revs);
103 extern struct commit *get_revision(struct rev_info *revs);
104
105 extern void mark_parents_uninteresting(struct commit *commit);
106 extern void mark_tree_uninteresting(struct tree *tree);
107
108 struct name_path {
109 struct name_path *up;
110 int elem_len;
111 const char *elem;
112 };
113
114 extern void add_object(struct object *obj,
115 struct object_array *p,
116 struct name_path *path,
117 const char *name);
118
119 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
120
121 #endif