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