init_buffer(): Kill buf pointer
[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)
2b064697 10#define CHILD_SHOWN (1u<<6)
1b65a5aa 11#define ADDED (1u<<7) /* Parents already parsed and added? */
577ed5c2 12#define SYMMETRIC_LEFT (1u<<8)
ae563542 13
8efdc326 14struct rev_info;
91539833 15struct log_info;
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16
17typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
18
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19struct rev_info {
20 /* Starting list */
21 struct commit_list *commits;
1f1e895f 22 struct object_array pending;
ae563542 23
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24 /* Parents of shown commits */
25 struct object_array boundary_commits;
26
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27 /* Basic information */
28 const char *prefix;
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29 void *prune_data;
30 prune_fn_t *prune_fn;
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31
32 /* Traversal flags */
33 unsigned int dense:1,
765ac8ec 34 no_merges:1,
ba1d4505 35 no_walk:1,
ae563542 36 remove_empty_trees:1,
9202434c 37 simplify_history:1,
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38 lifo:1,
39 topo_order:1,
40 tag_objects:1,
41 tree_objects:1,
42 blob_objects:1,
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43 edge_hint:1,
44 limited:1,
106d710b 45 unpacked:1, /* see also ignore_packed below */
86ab4906 46 boundary:2,
74bd9029 47 left_right:1,
9c5e66e9 48 parents:1,
0053e902 49 reverse:1,
d7a17cad 50 cherry_pick:1,
0053e902 51 first_parent_only:1;
ae563542 52
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53 /* Diff flags */
54 unsigned int diff:1,
55 full_diff:1,
56 show_root_diff:1,
57 no_commit_id:1,
58 verbose_header:1,
59 ignore_merges:1,
60 combine_merges:1,
61 dense_combined_merges:1,
62 always_show_header:1;
63
64 /* Format info */
91539833 65 unsigned int shown_one:1,
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66 abbrev_commit:1,
67 relative_date:1;
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68
69 const char **ignore_packed; /* pretend objects in these are unpacked */
70 int num_ignore_packed;
71
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72 unsigned int abbrev;
73 enum cmit_fmt commit_format;
91539833 74 struct log_info *loginfo;
596524b3 75 int nr, total;
698ce6f8 76 const char *mime_boundary;
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77 const char *message_id;
78 const char *ref_message_id;
cf2251b6 79 const char *add_signoff;
20ff0680 80 const char *extra_headers;
52883fbd 81 const char *log_reencode;
2d9e4a47 82 const char *subject_prefix;
c112f689 83 int no_inline;
cd2bdc53 84
8ecae9b0 85 /* Filter by commit log message */
2d10c555 86 struct grep_opt *grep_filter;
8ecae9b0 87
ae563542 88 /* special limits */
d5db6c9e 89 int skip_count;
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90 int max_count;
91 unsigned long max_age;
92 unsigned long min_age;
8efdc326 93
cd2bdc53 94 /* diff info for patches and for paths limiting */
c4e05b1a 95 struct diff_options diffopt;
cd2bdc53 96 struct diff_options pruning;
c4e05b1a 97
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98 topo_sort_set_fn_t topo_setter;
99 topo_sort_get_fn_t topo_getter;
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100
101 struct reflog_walk_info *reflog_info;
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102};
103
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104#define REV_TREE_SAME 0
105#define REV_TREE_NEW 1
106#define REV_TREE_DIFFERENT 2
107
ae563542 108/* revision.c */
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109extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
110extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
8efdc326 111
db6296a5 112extern void init_revisions(struct rev_info *revs, const char *prefix);
a4a88b2b 113extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
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114extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
115
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116extern void prepare_revision_walk(struct rev_info *revs);
117extern struct commit *get_revision(struct rev_info *revs);
118
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119extern void mark_parents_uninteresting(struct commit *commit);
120extern void mark_tree_uninteresting(struct tree *tree);
121
122struct name_path {
123 struct name_path *up;
124 int elem_len;
125 const char *elem;
126};
127
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128extern void add_object(struct object *obj,
129 struct object_array *p,
130 struct name_path *path,
131 const char *name);
132
133extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
bb6c2fba 134extern void add_pending_object_with_mode(struct rev_info *revs, struct object *obj, const char *name, unsigned mode);
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135
136#endif