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#define TOPOSORT (1u<<9) /* In the active toposort list.. */
14
15struct rev_info;
16struct log_info;
17
18struct rev_info {
19 /* Starting list */
20 struct commit_list *commits;
21 struct object_array pending;
22
23 /* Parents of shown commits */
24 struct object_array boundary_commits;
25
26 /* Basic information */
27 const char *prefix;
28 void *prune_data;
29 unsigned int early_output;
30
31 /* Traversal flags */
32 unsigned int dense:1,
33 prune:1,
34 no_merges:1,
35 no_walk:1,
36 show_all:1,
37 remove_empty_trees:1,
38 simplify_history:1,
39 lifo:1,
40 topo_order:1,
41 tag_objects:1,
42 tree_objects:1,
43 blob_objects:1,
44 edge_hint:1,
45 limited:1,
46 unpacked:1, /* see also ignore_packed below */
47 boundary:2,
48 left_right:1,
49 rewrite_parents:1,
50 print_parents:1,
51 reverse:1,
52 cherry_pick:1,
53 first_parent_only:1;
54
55 /* Diff flags */
56 unsigned int diff:1,
57 full_diff:1,
58 show_root_diff:1,
59 no_commit_id:1,
60 verbose_header:1,
61 ignore_merges:1,
62 combine_merges:1,
63 dense_combined_merges:1,
64 always_show_header:1;
65
66 /* Format info */
67 unsigned int shown_one:1,
68 abbrev_commit:1,
69 use_terminator:1,
70 missing_newline:1;
71 enum date_mode date_mode;
72
73 const char **ignore_packed; /* pretend objects in these are unpacked */
74 int num_ignore_packed;
75
76 unsigned int abbrev;
77 enum cmit_fmt commit_format;
78 struct log_info *loginfo;
79 int nr, total;
80 const char *mime_boundary;
81 char *message_id;
82 const char *ref_message_id;
83 const char *add_signoff;
84 const char *extra_headers;
85 const char *log_reencode;
86 const char *subject_prefix;
87 int no_inline;
88 int show_log_size;
89
90 /* Filter by commit log message */
91 struct grep_opt *grep_filter;
92
93 /* Display history graph */
94 struct git_graph *graph;
95
96 /* special limits */
97 int skip_count;
98 int max_count;
99 unsigned long max_age;
100 unsigned long min_age;
101
102 /* diff info for patches and for paths limiting */
103 struct diff_options diffopt;
104 struct diff_options pruning;
105
106 struct reflog_walk_info *reflog_info;
107};
108
109#define REV_TREE_SAME 0
110#define REV_TREE_NEW 1
111#define REV_TREE_DIFFERENT 2
112
113/* revision.c */
114typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
115volatile show_early_output_fn_t show_early_output;
116
117extern void init_revisions(struct rev_info *revs, const char *prefix);
118extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
119extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
120
121extern int prepare_revision_walk(struct rev_info *revs);
122extern struct commit *get_revision(struct rev_info *revs);
123
124extern void mark_parents_uninteresting(struct commit *commit);
125extern void mark_tree_uninteresting(struct tree *tree);
126
127struct name_path {
128 struct name_path *up;
129 int elem_len;
130 const char *elem;
131};
132
133extern void add_object(struct object *obj,
134 struct object_array *p,
135 struct name_path *path,
136 const char *name);
137
138extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
139
140extern void add_head_to_pending(struct rev_info *);
141
142enum commit_action {
143 commit_ignore,
144 commit_show,
145 commit_error
146};
147
148extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
149
150#endif