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 no_walk:1,
40 show_all:1,
41 remove_empty_trees:1,
42 simplify_history:1,
43 lifo:1,
44 topo_order:1,
45 simplify_merges:1,
46 tag_objects:1,
47 tree_objects:1,
48 blob_objects:1,
49 edge_hint:1,
50 limited:1,
51 unpacked:1, /* see also ignore_packed below */
52 boundary:2,
53 left_right:1,
54 rewrite_parents:1,
55 print_parents:1,
56 reverse:1,
57 reverse_output_stage:1,
58 cherry_pick:1,
59 first_parent_only:1;
60
61 /* Diff flags */
62 unsigned int diff:1,
63 full_diff:1,
64 show_root_diff:1,
65 no_commit_id:1,
66 verbose_header:1,
67 ignore_merges:1,
68 combine_merges:1,
69 dense_combined_merges:1,
70 always_show_header:1;
71
72 /* Format info */
73 unsigned int shown_one:1,
74 show_merge:1,
75 abbrev_commit:1,
76 use_terminator:1,
77 missing_newline:1;
78 enum date_mode date_mode;
79
80 const char **ignore_packed; /* pretend objects in these are unpacked */
81 int num_ignore_packed;
82
83 unsigned int abbrev;
84 enum cmit_fmt commit_format;
85 struct log_info *loginfo;
86 int nr, total;
87 const char *mime_boundary;
88 char *message_id;
89 const char *ref_message_id;
90 const char *add_signoff;
91 const char *extra_headers;
92 const char *log_reencode;
93 const char *subject_prefix;
94 int no_inline;
95 int show_log_size;
96
97 /* Filter by commit log message */
98 struct grep_opt grep_filter;
99
100 /* Display history graph */
101 struct git_graph *graph;
102
103 /* special limits */
104 int skip_count;
105 int max_count;
106 unsigned long max_age;
107 unsigned long min_age;
108
109 /* diff info for patches and for paths limiting */
110 struct diff_options diffopt;
111 struct diff_options pruning;
112
113 struct reflog_walk_info *reflog_info;
114 struct decoration children;
115 struct decoration merge_simplification;
116};
117
118#define REV_TREE_SAME 0
119#define REV_TREE_NEW 1
120#define REV_TREE_DIFFERENT 2
121
122/* revision.c */
123void read_revisions_from_stdin(struct rev_info *revs);
124
125typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
126extern volatile show_early_output_fn_t show_early_output;
127
128extern void init_revisions(struct rev_info *revs, const char *prefix);
129extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
130extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
131 const struct option *options,
132 const char * const usagestr[]);
133extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
134
135extern int prepare_revision_walk(struct rev_info *revs);
136extern struct commit *get_revision(struct rev_info *revs);
137
138extern void mark_parents_uninteresting(struct commit *commit);
139extern void mark_tree_uninteresting(struct tree *tree);
140
141struct name_path {
142 struct name_path *up;
143 int elem_len;
144 const char *elem;
145};
146
147extern void add_object(struct object *obj,
148 struct object_array *p,
149 struct name_path *path,
150 const char *name);
151
152extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
153
154extern void add_head_to_pending(struct rev_info *);
155
156enum commit_action {
157 commit_ignore,
158 commit_show,
159 commit_error
160};
161
162extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
163
164#endif