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Linus Torvaldsae563542006-02-25 16:19:46 -08001#ifndef REVISION_H
2#define REVISION_H
3
4#define SEEN (1u<<0)
5#define UNINTERESTING (1u<<1)
Linus Torvaldsa4a88b22006-02-28 11:24:00 -08006#define TREECHANGE (1u<<2)
Linus Torvalds765ac8e2006-02-28 15:07:20 -08007#define SHOWN (1u<<3)
Junio C Hamano7ae0b0c2006-03-01 00:58:56 -08008#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
Junio C Hamano384e99a2006-03-27 23:58:34 -08009#define BOUNDARY (1u<<5)
Junio C Hamano1b65a5a2006-04-16 18:12:49 -070010#define BOUNDARY_SHOW (1u<<6)
11#define ADDED (1u<<7) /* Parents already parsed and added? */
Linus Torvaldsae563542006-02-25 16:19:46 -080012
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010013struct rev_info;
Linus Torvalds91539832006-04-17 11:59:32 -070014struct log_info;
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010015
16typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
17
Linus Torvaldsae563542006-02-25 16:19:46 -080018struct rev_info {
19 /* Starting list */
20 struct commit_list *commits;
Linus Torvalds1f1e8952006-06-19 17:42:35 -070021 struct object_array pending;
Linus Torvaldsae563542006-02-25 16:19:46 -080022
23 /* Basic information */
24 const char *prefix;
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010025 void *prune_data;
26 prune_fn_t *prune_fn;
Linus Torvaldsae563542006-02-25 16:19:46 -080027
28 /* Traversal flags */
29 unsigned int dense:1,
Linus Torvalds765ac8e2006-02-28 15:07:20 -080030 no_merges:1,
Linus Torvaldsba1d4502006-04-15 12:09:56 -070031 no_walk:1,
Linus Torvaldsae563542006-02-25 16:19:46 -080032 remove_empty_trees:1,
Linus Torvalds92024342006-06-11 10:57:35 -070033 simplify_history:1,
Linus Torvaldsae563542006-02-25 16:19:46 -080034 lifo:1,
35 topo_order:1,
36 tag_objects:1,
37 tree_objects:1,
38 blob_objects:1,
Linus Torvaldsd9a83682006-02-27 08:54:36 -080039 edge_hint:1,
40 limited:1,
Junio C Hamano384e99a2006-03-27 23:58:34 -080041 unpacked:1,
Linus Torvalds7b0c9962006-03-30 16:52:42 -080042 boundary:1,
43 parents:1;
Linus Torvaldsae563542006-02-25 16:19:46 -080044
Linus Torvaldscd2bdc52006-04-14 16:52:13 -070045 /* 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 */
Linus Torvalds91539832006-04-17 11:59:32 -070057 unsigned int shown_one:1,
Jonas Fonseca3dfb9272006-08-28 15:52:13 +020058 abbrev_commit:1,
59 relative_date:1;
Linus Torvaldscd2bdc52006-04-14 16:52:13 -070060 unsigned int abbrev;
61 enum cmit_fmt commit_format;
Linus Torvalds91539832006-04-17 11:59:32 -070062 struct log_info *loginfo;
Johannes Schindelin596524b2006-05-05 04:30:52 +020063 int nr, total;
Johannes Schindelin698ce6f2006-05-20 15:40:29 +020064 const char *mime_boundary;
Josh Triplettd1566f72006-07-14 17:48:51 -070065 const char *message_id;
66 const char *ref_message_id;
Junio C Hamanocf2251b2006-05-31 15:11:49 -070067 const char *add_signoff;
Johannes Schindelin20ff0682006-06-02 15:21:17 +020068 const char *extra_headers;
Linus Torvaldscd2bdc52006-04-14 16:52:13 -070069
Linus Torvaldsae563542006-02-25 16:19:46 -080070 /* special limits */
71 int max_count;
72 unsigned long max_age;
73 unsigned long min_age;
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010074
Linus Torvaldscd2bdc52006-04-14 16:52:13 -070075 /* diff info for patches and for paths limiting */
Junio C Hamanoc4e05b12006-04-10 18:14:54 -070076 struct diff_options diffopt;
Linus Torvaldscd2bdc52006-04-14 16:52:13 -070077 struct diff_options pruning;
Junio C Hamanoc4e05b12006-04-10 18:14:54 -070078
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010079 topo_sort_set_fn_t topo_setter;
80 topo_sort_get_fn_t topo_getter;
Linus Torvaldsae563542006-02-25 16:19:46 -080081};
82
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010083#define REV_TREE_SAME 0
84#define REV_TREE_NEW 1
85#define REV_TREE_DIFFERENT 2
86
Linus Torvaldsae563542006-02-25 16:19:46 -080087/* revision.c */
Junio C Hamanoc4e05b12006-04-10 18:14:54 -070088extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
89extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
Fredrik Kuivinen8efdc322006-03-10 10:21:39 +010090
Linus Torvaldsdb6296a2006-07-28 21:21:48 -070091extern void init_revisions(struct rev_info *revs, const char *prefix);
Linus Torvaldsa4a88b22006-02-28 11:24:00 -080092extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
93extern void prepare_revision_walk(struct rev_info *revs);
94extern struct commit *get_revision(struct rev_info *revs);
95
Linus Torvaldsae563542006-02-25 16:19:46 -080096extern void mark_parents_uninteresting(struct commit *commit);
97extern void mark_tree_uninteresting(struct tree *tree);
98
99struct name_path {
100 struct name_path *up;
101 int elem_len;
102 const char *elem;
103};
104
Linus Torvalds1f1e8952006-06-19 17:42:35 -0700105extern void add_object(struct object *obj,
106 struct object_array *p,
107 struct name_path *path,
108 const char *name);
109
110extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
Linus Torvaldsae563542006-02-25 16:19:46 -0800111
112#endif