process_{tree,blob}: show objects without buffering
[git/git.git] / revision.h
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ae563542
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1#ifndef REVISION_H
2#define REVISION_H
3
6b61ec05 4#include "parse-options.h"
0843acfd 5#include "grep.h"
6b61ec05 6
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7#define SEEN (1u<<0)
8#define UNINTERESTING (1u<<1)
7dc0fe3b 9#define TREESAME (1u<<2)
765ac8ec 10#define SHOWN (1u<<3)
7ae0b0cb 11#define TMP_MARK (1u<<4) /* for isolated cases; clean after use */
384e99a4 12#define BOUNDARY (1u<<5)
2b064697 13#define CHILD_SHOWN (1u<<6)
1b65a5aa 14#define ADDED (1u<<7) /* Parents already parsed and added? */
577ed5c2 15#define SYMMETRIC_LEFT (1u<<8)
e358f3c3 16#define ALL_REV_FLAGS ((1u<<9)-1)
ae563542 17
8efdc326 18struct rev_info;
91539833 19struct log_info;
8efdc326 20
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21struct rev_info {
22 /* Starting list */
23 struct commit_list *commits;
1f1e895f 24 struct object_array pending;
ae563542 25
86ab4906
JH
26 /* Parents of shown commits */
27 struct object_array boundary_commits;
28
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29 /* Basic information */
30 const char *prefix;
02e54220 31 const char *def;
8efdc326 32 void *prune_data;
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33 unsigned int early_output;
34
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35 /* Traversal flags */
36 unsigned int dense:1,
53b2c823 37 prune:1,
765ac8ec 38 no_merges:1,
ba1d4505 39 no_walk:1,
3131b713 40 show_all:1,
ae563542 41 remove_empty_trees:1,
9202434c 42 simplify_history:1,
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43 lifo:1,
44 topo_order:1,
45 tag_objects:1,
46 tree_objects:1,
47 blob_objects:1,
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48 edge_hint:1,
49 limited:1,
106d710b 50 unpacked:1, /* see also ignore_packed below */
86ab4906 51 boundary:2,
74bd9029 52 left_right:1,
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AS
53 rewrite_parents:1,
54 print_parents:1,
0053e902 55 reverse:1,
d7a17cad 56 cherry_pick:1,
0053e902 57 first_parent_only:1;
ae563542 58
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59 /* Diff flags */
60 unsigned int diff:1,
61 full_diff:1,
62 show_root_diff:1,
63 no_commit_id:1,
64 verbose_header:1,
65 ignore_merges:1,
66 combine_merges:1,
67 dense_combined_merges:1,
68 always_show_header:1;
69
70 /* Format info */
91539833 71 unsigned int shown_one:1,
02e54220 72 show_merge:1,
4da45bef 73 abbrev_commit:1,
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74 use_terminator:1,
75 missing_newline:1;
a7b02ccf 76 enum date_mode date_mode;
106d710b
JH
77
78 const char **ignore_packed; /* pretend objects in these are unpacked */
79 int num_ignore_packed;
80
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81 unsigned int abbrev;
82 enum cmit_fmt commit_format;
91539833 83 struct log_info *loginfo;
596524b3 84 int nr, total;
698ce6f8 85 const char *mime_boundary;
e1a37346 86 char *message_id;
d1566f78 87 const char *ref_message_id;
cf2251b6 88 const char *add_signoff;
20ff0680 89 const char *extra_headers;
52883fbd 90 const char *log_reencode;
2d9e4a47 91 const char *subject_prefix;
c112f689 92 int no_inline;
9fa3465d 93 int show_log_size;
cd2bdc53 94
8ecae9b0 95 /* Filter by commit log message */
0843acfd 96 struct grep_opt grep_filter;
8ecae9b0 97
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98 /* Display history graph */
99 struct git_graph *graph;
100
ae563542 101 /* special limits */
d5db6c9e 102 int skip_count;
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103 int max_count;
104 unsigned long max_age;
105 unsigned long min_age;
8efdc326 106
cd2bdc53 107 /* diff info for patches and for paths limiting */
c4e05b1a 108 struct diff_options diffopt;
cd2bdc53 109 struct diff_options pruning;
c4e05b1a 110
8860fd42 111 struct reflog_walk_info *reflog_info;
f35f5603 112 struct decoration children;
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113};
114
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FK
115#define REV_TREE_SAME 0
116#define REV_TREE_NEW 1
117#define REV_TREE_DIFFERENT 2
118
ae563542 119/* revision.c */
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AB
120void read_revisions_from_stdin(struct rev_info *revs);
121
cdcefbc9 122typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
4dc1db0b 123extern volatile show_early_output_fn_t show_early_output;
8efdc326 124
db6296a5 125extern void init_revisions(struct rev_info *revs, const char *prefix);
a4a88b2b 126extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
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127extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
128 const struct option *options,
129 const char * const usagestr[]);
5d6f0935
JH
130extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
131
cc0e6c5a 132extern int prepare_revision_walk(struct rev_info *revs);
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133extern struct commit *get_revision(struct rev_info *revs);
134
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135extern void mark_parents_uninteresting(struct commit *commit);
136extern void mark_tree_uninteresting(struct tree *tree);
137
138struct name_path {
139 struct name_path *up;
140 int elem_len;
141 const char *elem;
142};
143
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144char *path_name(struct name_path *path, const char *name);
145
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146extern void add_object(struct object *obj,
147 struct object_array *p,
148 struct name_path *path,
149 const char *name);
150
151extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
ae563542 152
3384a2df
JH
153extern void add_head_to_pending(struct rev_info *);
154
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155enum commit_action {
156 commit_ignore,
157 commit_show,
158 commit_error
159};
160
161extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
162
ae563542 163#endif