1#ifndef REVISION_H
2#define REVISION_H
3
4#include "parse-options.h"
5#include "grep.h"
6
7#define SEEN (1u<<0)
8#define UNINTERESTING (1u<<1)
9#define TREESAME (1u<<2)
10#define SHOWN (1u<<3)
11#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
12#define BOUNDARY (1u<<5)
13#define CHILD_SHOWN (1u<<6)
14#define ADDED (1u<<7) /* Parents already parsed and added? */
15#define SYMMETRIC_LEFT (1u<<8)
16#define ALL_REV_FLAGS ((1u<<9)-1)
17
18struct rev_info;
19struct log_info;
20
21struct rev_info {
22 /* Starting list */
23 struct commit_list *commits;
24 struct object_array pending;
25
26 /* Parents of shown commits */
27 struct object_array boundary_commits;
28
29 /* Basic information */
30 const char *prefix;
31 const char *def;
32 void *prune_data;
33 unsigned int early_output;
34
35 /* Traversal flags */
36 unsigned int dense:1,
37 prune:1,
38 no_merges:1,
39 merges_only:1,
40 no_walk:1,
41 show_all:1,
42 remove_empty_trees:1,
43 simplify_history:1,
44 lifo:1,
45 topo_order:1,
46 simplify_merges:1,
47 simplify_by_decoration:1,
48 tag_objects:1,
49 tree_objects:1,
50 blob_objects:1,
51 edge_hint:1,
52 limited:1,
53 unpacked:1,
54 boundary:2,
55 left_right:1,
56 rewrite_parents:1,
57 print_parents:1,
58 show_source:1,
59 show_decorations:1,
60 reverse:1,
61 reverse_output_stage:1,
62 cherry_pick:1,
63 first_parent_only:1;
64
65 /* Diff flags */
66 unsigned int diff:1,
67 full_diff:1,
68 show_root_diff:1,
69 no_commit_id:1,
70 verbose_header:1,
71 ignore_merges:1,
72 combine_merges:1,
73 dense_combined_merges:1,
74 always_show_header:1;
75
76 /* Format info */
77 unsigned int shown_one:1,
78 show_merge:1,
79 abbrev_commit:1,
80 use_terminator:1,
81 missing_newline:1;
82 enum date_mode date_mode;
83
84 unsigned int abbrev;
85 enum cmit_fmt commit_format;
86 struct log_info *loginfo;
87 int nr, total;
88 const char *mime_boundary;
89 const char *patch_suffix;
90 int numbered_files;
91 char *message_id;
92 struct string_list *ref_message_ids;
93 const char *add_signoff;
94 const char *extra_headers;
95 const char *log_reencode;
96 const char *subject_prefix;
97 int no_inline;
98 int show_log_size;
99
100 /* Filter by commit log message */
101 struct grep_opt grep_filter;
102
103 /* Display history graph */
104 struct git_graph *graph;
105
106 /* special limits */
107 int skip_count;
108 int max_count;
109 unsigned long max_age;
110 unsigned long min_age;
111
112 /* diff info for patches and for paths limiting */
113 struct diff_options diffopt;
114 struct diff_options pruning;
115
116 struct reflog_walk_info *reflog_info;
117 struct decoration children;
118 struct decoration merge_simplification;
119};
120
121#define REV_TREE_SAME 0
122#define REV_TREE_NEW 1 /* Only new files */
123#define REV_TREE_OLD 2 /* Only files removed */
124#define REV_TREE_DIFFERENT 3 /* Mixed changes */
125
126/* revision.c */
127void read_revisions_from_stdin(struct rev_info *revs);
128
129typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
130extern volatile show_early_output_fn_t show_early_output;
131
132extern void init_revisions(struct rev_info *revs, const char *prefix);
133extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
134extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
135 const struct option *options,
136 const char * const usagestr[]);
137extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
138
139extern int prepare_revision_walk(struct rev_info *revs);
140extern struct commit *get_revision(struct rev_info *revs);
141
142extern void mark_parents_uninteresting(struct commit *commit);
143extern void mark_tree_uninteresting(struct tree *tree);
144
145struct name_path {
146 struct name_path *up;
147 int elem_len;
148 const char *elem;
149};
150
151char *path_name(const struct name_path *path, const char *name);
152
153extern void add_object(struct object *obj,
154 struct object_array *p,
155 struct name_path *path,
156 const char *name);
157
158extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
159
160extern void add_head_to_pending(struct rev_info *);
161
162enum commit_action {
163 commit_ignore,
164 commit_show,
165 commit_error
166};
167
168extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
169
170#endif