Merge branch 'gl/web'
[git/git.git] / revision.h
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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)
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10#define BOUNDARY_SHOW (1u<<6)
11#define ADDED (1u<<7) /* Parents already parsed and added? */
ae563542 12
8efdc326 13struct rev_info;
91539833 14struct log_info;
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15
16typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
17
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18struct rev_info {
19 /* Starting list */
20 struct commit_list *commits;
1f1e895f 21 struct object_array pending;
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22
23 /* Basic information */
24 const char *prefix;
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25 void *prune_data;
26 prune_fn_t *prune_fn;
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27
28 /* Traversal flags */
29 unsigned int dense:1,
765ac8ec 30 no_merges:1,
ba1d4505 31 no_walk:1,
ae563542 32 remove_empty_trees:1,
9202434c 33 simplify_history:1,
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34 lifo:1,
35 topo_order:1,
36 tag_objects:1,
37 tree_objects:1,
38 blob_objects:1,
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39 edge_hint:1,
40 limited:1,
384e99a4 41 unpacked:1,
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42 boundary:1,
43 parents:1;
ae563542 44
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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 */
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57 unsigned int shown_one:1,
58 abbrev_commit:1;
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59 unsigned int abbrev;
60 enum cmit_fmt commit_format;
91539833 61 struct log_info *loginfo;
596524b3 62 int nr, total;
698ce6f8 63 const char *mime_boundary;
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64 const char *message_id;
65 const char *ref_message_id;
cf2251b6 66 const char *add_signoff;
20ff0680 67 const char *extra_headers;
cd2bdc53 68
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69 /* special limits */
70 int max_count;
71 unsigned long max_age;
72 unsigned long min_age;
8efdc326 73
cd2bdc53 74 /* diff info for patches and for paths limiting */
c4e05b1a 75 struct diff_options diffopt;
cd2bdc53 76 struct diff_options pruning;
c4e05b1a 77
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78 topo_sort_set_fn_t topo_setter;
79 topo_sort_get_fn_t topo_getter;
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80};
81
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82#define REV_TREE_SAME 0
83#define REV_TREE_NEW 1
84#define REV_TREE_DIFFERENT 2
85
ae563542 86/* revision.c */
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87extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
88extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
8efdc326 89
db6296a5 90extern void init_revisions(struct rev_info *revs, const char *prefix);
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91extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
92extern void prepare_revision_walk(struct rev_info *revs);
93extern struct commit *get_revision(struct rev_info *revs);
94
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95extern void mark_parents_uninteresting(struct commit *commit);
96extern void mark_tree_uninteresting(struct tree *tree);
97
98struct name_path {
99 struct name_path *up;
100 int elem_len;
101 const char *elem;
102};
103
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104extern void add_object(struct object *obj,
105 struct object_array *p,
106 struct name_path *path,
107 const char *name);
108
109extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
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110
111#endif