Merge branch 'lt/tree-2'
[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_list *pending_objects;
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 lifo:1,
34 topo_order:1,
35 tag_objects:1,
36 tree_objects:1,
37 blob_objects:1,
38 edge_hint:1,
39 limited:1,
40 unpacked:1,
41 boundary:1,
42 parents:1;
43
44 /* Diff flags */
45 unsigned int diff:1,
46 full_diff:1,
47 show_root_diff:1,
48 no_commit_id:1,
49 verbose_header:1,
50 ignore_merges:1,
51 combine_merges:1,
52 dense_combined_merges:1,
53 always_show_header:1;
54
55 /* Format info */
56 unsigned int shown_one:1,
57 abbrev_commit:1;
58 unsigned int abbrev;
59 enum cmit_fmt commit_format;
60 struct log_info *loginfo;
61 int nr, total;
62 const char *mime_boundary;
63 const char *add_signoff;
64 const char *extra_headers;
65
66 /* special limits */
67 int max_count;
68 unsigned long max_age;
69 unsigned long min_age;
70
71 /* diff info for patches and for paths limiting */
72 struct diff_options diffopt;
73 struct diff_options pruning;
74
75 topo_sort_set_fn_t topo_setter;
76 topo_sort_get_fn_t topo_getter;
77 };
78
79 #define REV_TREE_SAME 0
80 #define REV_TREE_NEW 1
81 #define REV_TREE_DIFFERENT 2
82
83 /* revision.c */
84 extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
85 extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
86
87 extern void init_revisions(struct rev_info *revs);
88 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
89 extern void prepare_revision_walk(struct rev_info *revs);
90 extern struct commit *get_revision(struct rev_info *revs);
91
92 extern void mark_parents_uninteresting(struct commit *commit);
93 extern void mark_tree_uninteresting(struct tree *tree);
94
95 struct name_path {
96 struct name_path *up;
97 int elem_len;
98 const char *elem;
99 };
100
101 extern struct object_list **add_object(struct object *obj,
102 struct object_list **p,
103 struct name_path *path,
104 const char *name);
105
106 #endif