provide a facility for "delayed" progress reporting
[git] / revision.h
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 CHILD_SHOWN     (1u<<6)
11 #define ADDED           (1u<<7) /* Parents already parsed and added? */
12 #define SYMMETRIC_LEFT  (1u<<8)
13
14 struct rev_info;
15 struct log_info;
16
17 typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
18
19 struct rev_info {
20         /* Starting list */
21         struct commit_list *commits;
22         struct object_array pending;
23
24         /* Parents of shown commits */
25         struct object_array boundary_commits;
26
27         /* Basic information */
28         const char *prefix;
29         void *prune_data;
30         prune_fn_t *prune_fn;
31
32         /* Traversal flags */
33         unsigned int    dense:1,
34                         no_merges:1,
35                         no_walk:1,
36                         remove_empty_trees:1,
37                         simplify_history:1,
38                         lifo:1,
39                         topo_order:1,
40                         tag_objects:1,
41                         tree_objects:1,
42                         blob_objects:1,
43                         edge_hint:1,
44                         limited:1,
45                         unpacked:1, /* see also ignore_packed below */
46                         boundary:2,
47                         left_right:1,
48                         parents:1,
49                         reverse:1,
50                         cherry_pick:1,
51                         first_parent_only:1;
52
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 */
65         unsigned int    shown_one:1,
66                         abbrev_commit:1,
67                         relative_date:1;
68
69         const char **ignore_packed; /* pretend objects in these are unpacked */
70         int num_ignore_packed;
71
72         unsigned int    abbrev;
73         enum cmit_fmt   commit_format;
74         struct log_info *loginfo;
75         int             nr, total;
76         const char      *mime_boundary;
77         const char      *message_id;
78         const char      *ref_message_id;
79         const char      *add_signoff;
80         const char      *extra_headers;
81         const char      *log_reencode;
82         const char      *subject_prefix;
83         int             no_inline;
84
85         /* Filter by commit log message */
86         struct grep_opt *grep_filter;
87
88         /* special limits */
89         int skip_count;
90         int max_count;
91         unsigned long max_age;
92         unsigned long min_age;
93
94         /* diff info for patches and for paths limiting */
95         struct diff_options diffopt;
96         struct diff_options pruning;
97
98         topo_sort_set_fn_t topo_setter;
99         topo_sort_get_fn_t topo_getter;
100
101         struct reflog_walk_info *reflog_info;
102 };
103
104 #define REV_TREE_SAME           0
105 #define REV_TREE_NEW            1
106 #define REV_TREE_DIFFERENT      2
107
108 /* revision.c */
109 extern int rev_same_tree_as_empty(struct rev_info *, struct tree *t1);
110 extern int rev_compare_tree(struct rev_info *, struct tree *t1, struct tree *t2);
111
112 extern void init_revisions(struct rev_info *revs, const char *prefix);
113 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
114 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
115
116 extern void prepare_revision_walk(struct rev_info *revs);
117 extern struct commit *get_revision(struct rev_info *revs);
118
119 extern void mark_parents_uninteresting(struct commit *commit);
120 extern void mark_tree_uninteresting(struct tree *tree);
121
122 struct name_path {
123         struct name_path *up;
124         int elem_len;
125         const char *elem;
126 };
127
128 extern void add_object(struct object *obj,
129                        struct object_array *p,
130                        struct name_path *path,
131                        const char *name);
132
133 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
134
135 #endif