GIT 1.5.6.6
[git/git.git] / revision.h
1 #ifndef REVISION_H
2 #define REVISION_H
3
4 #define SEEN (1u<<0)
5 #define UNINTERESTING (1u<<1)
6 #define TREESAME (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 struct rev_info {
18 /* Starting list */
19 struct commit_list *commits;
20 struct object_array pending;
21
22 /* Parents of shown commits */
23 struct object_array boundary_commits;
24
25 /* Basic information */
26 const char *prefix;
27 void *prune_data;
28 unsigned int early_output;
29
30 /* Traversal flags */
31 unsigned int dense:1,
32 prune:1,
33 no_merges:1,
34 no_walk:1,
35 show_all: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 rewrite_parents:1,
49 print_parents:1,
50 reverse:1,
51 cherry_pick:1,
52 first_parent_only:1;
53
54 /* Diff flags */
55 unsigned int diff:1,
56 full_diff:1,
57 show_root_diff:1,
58 no_commit_id:1,
59 verbose_header:1,
60 ignore_merges:1,
61 combine_merges:1,
62 dense_combined_merges:1,
63 always_show_header:1;
64
65 /* Format info */
66 unsigned int shown_one:1,
67 abbrev_commit:1,
68 use_terminator:1,
69 missing_newline:1;
70 enum date_mode date_mode;
71
72 const char **ignore_packed; /* pretend objects in these are unpacked */
73 int num_ignore_packed;
74
75 unsigned int abbrev;
76 enum cmit_fmt commit_format;
77 struct log_info *loginfo;
78 int nr, total;
79 const char *mime_boundary;
80 char *message_id;
81 const char *ref_message_id;
82 const char *add_signoff;
83 const char *extra_headers;
84 const char *log_reencode;
85 const char *subject_prefix;
86 int no_inline;
87 int show_log_size;
88
89 /* Filter by commit log message */
90 struct grep_opt *grep_filter;
91
92 /* Display history graph */
93 struct git_graph *graph;
94
95 /* special limits */
96 int skip_count;
97 int max_count;
98 unsigned long max_age;
99 unsigned long min_age;
100
101 /* diff info for patches and for paths limiting */
102 struct diff_options diffopt;
103 struct diff_options pruning;
104
105 struct reflog_walk_info *reflog_info;
106 };
107
108 #define REV_TREE_SAME 0
109 #define REV_TREE_NEW 1
110 #define REV_TREE_DIFFERENT 2
111
112 /* revision.c */
113 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
114 volatile show_early_output_fn_t show_early_output;
115
116 extern void init_revisions(struct rev_info *revs, const char *prefix);
117 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
118 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
119
120 extern int prepare_revision_walk(struct rev_info *revs);
121 extern struct commit *get_revision(struct rev_info *revs);
122
123 extern void mark_parents_uninteresting(struct commit *commit);
124 extern void mark_tree_uninteresting(struct tree *tree);
125
126 struct name_path {
127 struct name_path *up;
128 int elem_len;
129 const char *elem;
130 };
131
132 extern void add_object(struct object *obj,
133 struct object_array *p,
134 struct name_path *path,
135 const char *name);
136
137 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
138
139 extern void add_head_to_pending(struct rev_info *);
140
141 enum commit_action {
142 commit_ignore,
143 commit_show,
144 commit_error
145 };
146
147 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
148
149 #endif