Add the --color-words option to the diff options family
[git/git.git] / diff.h
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be3cfa85
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1/*
2 * Copyright (C) 2005 Junio C Hamano
3 */
86436c28
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4#ifndef DIFF_H
5#define DIFF_H
6
1b0c7174 7#include "tree-walk.h"
50f9a858 8
91539833 9struct rev_info;
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10struct diff_options;
11
12typedef void (*change_fn_t)(struct diff_options *options,
13 unsigned old_mode, unsigned new_mode,
14 const unsigned char *old_sha1,
15 const unsigned char *new_sha1,
16 const char *base, const char *path);
17
18typedef void (*add_remove_fn_t)(struct diff_options *options,
19 int addremove, unsigned mode,
20 const unsigned char *sha1,
21 const char *base, const char *path);
22
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23#define DIFF_FORMAT_RAW 0x0001
24#define DIFF_FORMAT_DIFFSTAT 0x0002
25#define DIFF_FORMAT_SUMMARY 0x0004
26#define DIFF_FORMAT_PATCH 0x0008
27
28/* These override all above */
29#define DIFF_FORMAT_NAME 0x0010
30#define DIFF_FORMAT_NAME_STATUS 0x0020
31#define DIFF_FORMAT_CHECKDIFF 0x0040
32
33/* Same as output_format = 0 but we know that -s flag was given
34 * and we should not give default value to output_format.
35 */
36#define DIFF_FORMAT_NO_OUTPUT 0x0080
37
6b5ee137 38struct diff_options {
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39 const char *filter;
40 const char *orderfile;
41 const char *pickaxe;
ac1b3d12 42 unsigned recursive:1,
80b1e511 43 tree_in_recursive:1,
0660626c 44 binary:1,
6d64ea96 45 text:1,
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46 full_index:1,
47 silent_on_remove:1,
4bbd261b 48 find_copies_harder:1,
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49 color_diff:1,
50 color_diff_words:1;
ee1e5412 51 int context;
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52 int break_opt;
53 int detect_rename;
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54 int line_termination;
55 int output_format;
56 int pickaxe_opts;
57 int rename_score;
58 int reverse_diff;
8082d8d3 59 int rename_limit;
6b5ee137 60 int setup;
47dd0d59 61 int abbrev;
39bc9a6c 62 const char *msg_sep;
698ce6f8 63 const char *stat_sep;
0d21efa5 64 long xdl_opts;
ac1b3d12 65
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66 int nr_paths;
67 const char **paths;
68 int *pathlens;
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69 change_fn_t change;
70 add_remove_fn_t add_remove;
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71};
72
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73enum color_diff {
74 DIFF_RESET = 0,
75 DIFF_PLAIN = 1,
76 DIFF_METAINFO = 2,
77 DIFF_FRAGINFO = 3,
78 DIFF_FILE_OLD = 4,
79 DIFF_FILE_NEW = 5,
80 DIFF_COMMIT = 6,
81};
82const char *diff_get_color(int diff_use_color, enum color_diff ix);
83
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84extern const char mime_boundary_leader[];
85
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86extern void diff_tree_setup_paths(const char **paths, struct diff_options *);
87extern void diff_tree_release_paths(struct diff_options *);
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88extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2,
89 const char *base, struct diff_options *opt);
90extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
91 const char *base, struct diff_options *opt);
92
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93struct combine_diff_path {
94 struct combine_diff_path *next;
95 int len;
96 char *path;
2454c962 97 unsigned int mode;
ea726d02 98 unsigned char sha1[20];
2454c962 99 struct combine_diff_parent {
d416df88 100 char status;
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101 unsigned int mode;
102 unsigned char sha1[20];
103 } parent[FLEX_ARRAY];
ea726d02 104};
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105#define combine_diff_path_size(n, l) \
106 (sizeof(struct combine_diff_path) + \
107 sizeof(struct combine_diff_parent) * (n) + (l) + 1)
ea726d02 108
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109extern void show_combined_diff(struct combine_diff_path *elem, int num_parent,
110 int dense, struct rev_info *);
ea726d02 111
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112extern void diff_tree_combined(const unsigned char *sha1, const unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev);
113
91539833 114extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *);
af3feefa 115
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116extern void diff_addremove(struct diff_options *,
117 int addremove,
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118 unsigned mode,
119 const unsigned char *sha1,
120 const char *base,
121 const char *path);
122
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123extern void diff_change(struct diff_options *,
124 unsigned mode1, unsigned mode2,
125 const unsigned char *sha1,
126 const unsigned char *sha2,
127 const char *base, const char *path);
77eb2720 128
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129extern void diff_unmerge(struct diff_options *,
130 const char *path);
77eb2720 131
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132extern int diff_scoreopt_parse(const char *opt);
133
19feebc8 134#define DIFF_SETUP_REVERSE 1
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135#define DIFF_SETUP_USE_CACHE 2
136#define DIFF_SETUP_USE_SIZE_CACHE 4
ce240675 137
83ad63cf 138extern int git_diff_ui_config(const char *var, const char *value);
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139extern void diff_setup(struct diff_options *);
140extern int diff_opt_parse(struct diff_options *, const char **, int);
141extern int diff_setup_done(struct diff_options *);
86436c28 142
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143#define DIFF_DETECT_RENAME 1
144#define DIFF_DETECT_COPY 2
145
367cec1c 146#define DIFF_PICKAXE_ALL 1
d01d8c67 147#define DIFF_PICKAXE_REGEX 2
f345b0a0 148
6b5ee137 149extern void diffcore_std(struct diff_options *);
f2ce9fde 150
6b5ee137 151extern void diffcore_std_no_resolve(struct diff_options *);
befe8639 152
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153#define COMMON_DIFF_OPTIONS_HELP \
154"\ncommon diff options:\n" \
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155" -z output diff-raw with lines terminated with NUL.\n" \
156" -p output patch format.\n" \
157" -u synonym for -p.\n" \
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158" --patch-with-raw\n" \
159" output both a patch and the diff-raw format.\n" \
d75f7952 160" --stat show diffstat instead of patch.\n" \
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161" --patch-with-stat\n" \
162" output a patch and prepend its diffstat.\n" \
8082d8d3 163" --name-only show only names of changed files.\n" \
946f5f7c 164" --name-status show names and status of changed files.\n" \
47dd0d59 165" --full-index show full object name on index lines.\n" \
913419fc 166" --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \
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167" -R swap input file pairs.\n" \
168" -B detect complete rewrites.\n" \
169" -M detect renames.\n" \
170" -C detect copies.\n" \
dda2d79a 171" --find-copies-harder\n" \
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172" try unchanged files as candidate for copy detection.\n" \
173" -l<n> limit rename attempts up to <n> paths.\n" \
174" -O<file> reorder diffs according to the <file>.\n" \
175" -S<string> find filepair whose only one side contains the string.\n" \
dda2d79a 176" --pickaxe-all\n" \
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177" show all files diff when -S is used and hit is found.\n" \
178" -a --text treat all files as text.\n"
dda2d79a 179
38c6f780 180extern int diff_queue_is_empty(void);
6b5ee137 181extern void diff_flush(struct diff_options*);
86436c28 182
e7baa4f4 183/* diff-raw status letters */
ca8c9156 184#define DIFF_STATUS_ADDED 'A'
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185#define DIFF_STATUS_COPIED 'C'
186#define DIFF_STATUS_DELETED 'D'
187#define DIFF_STATUS_MODIFIED 'M'
188#define DIFF_STATUS_RENAMED 'R'
189#define DIFF_STATUS_TYPE_CHANGED 'T'
190#define DIFF_STATUS_UNKNOWN 'X'
191#define DIFF_STATUS_UNMERGED 'U'
192
193/* these are not diff-raw status letters proper, but used by
194 * diffcore-filter insn to specify additional restrictions.
195 */
0b34379a 196#define DIFF_STATUS_FILTER_AON '*'
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197#define DIFF_STATUS_FILTER_BROKEN 'B'
198
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199extern const char *diff_unique_abbrev(const unsigned char *, int);
200
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201extern int run_diff_files(struct rev_info *revs, int silent_on_removed);
202
5c21ac0e 203extern int run_diff_index(struct rev_info *revs, int cached);
e09ad6e1 204
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205extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
206
86436c28 207#endif /* DIFF_H */