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
13struct rev_info;
14
15typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
16
17struct rev_info {
18 /* Starting list */
19 struct commit_list *commits;
20 struct object_list *pending_objects;
21
22 /* Basic information */
23 const char *prefix;
24 void *prune_data;
25 prune_fn_t *prune_fn;
26
27 /* Traversal flags */
28 unsigned int dense:1,
29 no_merges:1,
30 no_walk:1,
31 remove_empty_trees:1,
32 lifo:1,
33 topo_order:1,
34 tag_objects:1,
35 tree_objects:1,
36 blob_objects:1,
37 edge_hint:1,
38 limited:1,
39 unpacked:1,
40 boundary:1,
41 parents:1;
42
43 /* Diff flags */
44 unsigned int diff:1,
45 full_diff:1,
46 show_root_diff:1,
47 no_commit_id:1,
48 verbose_header:1,
49 ignore_merges:1,
50 combine_merges:1,
51 dense_combined_merges:1,
52 always_show_header:1;
53
54 /* Format info */
55 unsigned int abbrev_commit:1;
56 unsigned int abbrev;
57 enum cmit_fmt commit_format;
58 const char *header_prefix;
59 const char *header;
60 const char *use_precomputed_header;
61
62 /* special limits */
63 int max_count;
64 unsigned long max_age;
65 unsigned long min_age;
66
67 /* diff info for patches and for paths limiting */
68 struct diff_options diffopt;
69 struct diff_options pruning;
70
71 topo_sort_set_fn_t topo_setter;
72 topo_sort_get_fn_t topo_getter;
73};
74
75#define REV_TREE_SAME 0
76#define REV_TREE_NEW 1
77#define REV_TREE_DIFFERENT 2
78
79/* revision.c */
80extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
81extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
82
83extern void init_revisions(struct rev_info *revs);
84extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
85extern void prepare_revision_walk(struct rev_info *revs);
86extern struct commit *get_revision(struct rev_info *revs);
87
88extern void mark_parents_uninteresting(struct commit *commit);
89extern void mark_tree_uninteresting(struct tree *tree);
90
91struct name_path {
92 struct name_path *up;
93 int elem_len;
94 const char *elem;
95};
96
97extern struct object_list **add_object(struct object *obj,
98 struct object_list **p,
99 struct name_path *path,
100 const char *name);
101
102#endif