Built-in git-whatchanged.
[git/git.git] / revision.h
CommitLineData
ae563542
LT
1#ifndef REVISION_H
2#define REVISION_H
3
4#define SEEN (1u<<0)
5#define UNINTERESTING (1u<<1)
a4a88b2b 6#define TREECHANGE (1u<<2)
765ac8ec 7#define SHOWN (1u<<3)
7ae0b0cb 8#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
384e99a4 9#define BOUNDARY (1u<<5)
3381c790 10#define ADDED (1u<<6) /* Parents already parsed and added? */
ae563542 11
8efdc326
FK
12struct rev_info;
13
14typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
15
ae563542
LT
16struct rev_info {
17 /* Starting list */
18 struct commit_list *commits;
19 struct object_list *pending_objects;
20
21 /* Basic information */
22 const char *prefix;
8efdc326
FK
23 void *prune_data;
24 prune_fn_t *prune_fn;
ae563542
LT
25
26 /* Traversal flags */
27 unsigned int dense:1,
765ac8ec 28 no_merges:1,
ae563542
LT
29 remove_empty_trees:1,
30 lifo:1,
31 topo_order:1,
32 tag_objects:1,
33 tree_objects:1,
34 blob_objects:1,
d9a83684
LT
35 edge_hint:1,
36 limited:1,
384e99a4 37 unpacked:1,
7b0c9966
LT
38 boundary:1,
39 parents:1;
ae563542 40
cd2bdc53
LT
41 /* Diff flags */
42 unsigned int diff:1,
43 full_diff:1,
44 show_root_diff:1,
45 no_commit_id:1,
46 verbose_header:1,
47 ignore_merges:1,
48 combine_merges:1,
49 dense_combined_merges:1,
50 always_show_header:1;
51
52 /* Format info */
53 unsigned int abbrev_commit:1;
54 unsigned int abbrev;
55 enum cmit_fmt commit_format;
56 const char *header_prefix;
57 const char *header;
58
ae563542
LT
59 /* special limits */
60 int max_count;
61 unsigned long max_age;
62 unsigned long min_age;
8efdc326 63
cd2bdc53 64 /* diff info for patches and for paths limiting */
c4e05b1a 65 struct diff_options diffopt;
cd2bdc53 66 struct diff_options pruning;
c4e05b1a 67
8efdc326
FK
68 topo_sort_set_fn_t topo_setter;
69 topo_sort_get_fn_t topo_getter;
ae563542
LT
70};
71
8efdc326
FK
72#define REV_TREE_SAME 0
73#define REV_TREE_NEW 1
74#define REV_TREE_DIFFERENT 2
75
ae563542 76/* revision.c */
c4e05b1a
JH
77extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
78extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
8efdc326
FK
79
80extern void init_revisions(struct rev_info *revs);
a4a88b2b
LT
81extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
82extern void prepare_revision_walk(struct rev_info *revs);
83extern struct commit *get_revision(struct rev_info *revs);
84
ae563542
LT
85extern void mark_parents_uninteresting(struct commit *commit);
86extern void mark_tree_uninteresting(struct tree *tree);
87
88struct name_path {
89 struct name_path *up;
90 int elem_len;
91 const char *elem;
92};
93
94extern struct object_list **add_object(struct object *obj,
95 struct object_list **p,
96 struct name_path *path,
97 const char *name);
98
99#endif