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;
14struct log_info;
15
16typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
17
18struct 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 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,
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 unsigned int abbrev;
60 enum cmit_fmt commit_format;
61 struct log_info *loginfo;
62 int nr, total;
63 const char *mime_boundary;
64 const char *add_signoff;
65 const char *extra_headers;
66
67 /* special limits */
68 int max_count;
69 unsigned long max_age;
70 unsigned long min_age;
71
72 /* diff info for patches and for paths limiting */
73 struct diff_options diffopt;
74 struct diff_options pruning;
75
76 topo_sort_set_fn_t topo_setter;
77 topo_sort_get_fn_t topo_getter;
78};
79
80#define REV_TREE_SAME 0
81#define REV_TREE_NEW 1
82#define REV_TREE_DIFFERENT 2
83
84/* revision.c */
85extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
86extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
87
88extern void init_revisions(struct rev_info *revs);
89extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
90extern void prepare_revision_walk(struct rev_info *revs);
91extern struct commit *get_revision(struct rev_info *revs);
92
93extern void mark_parents_uninteresting(struct commit *commit);
94extern void mark_tree_uninteresting(struct tree *tree);
95
96struct name_path {
97 struct name_path *up;
98 int elem_len;
99 const char *elem;
100};
101
102extern struct object_list **add_object(struct object *obj,
103 struct object_list **p,
104 struct name_path *path,
105 const char *name);
106
107#endif