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Commit | Line | Data |
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be3cfa85 JH |
1 | /* |
2 | * Copyright (C) 2005 Junio C Hamano | |
3 | */ | |
86436c28 JH |
4 | #ifndef DIFF_H |
5 | #define DIFF_H | |
6 | ||
1b0c7174 | 7 | #include "tree-walk.h" |
50f9a858 | 8 | |
ac1b3d12 LT |
9 | struct diff_options; |
10 | ||
11 | typedef void (*change_fn_t)(struct diff_options *options, | |
12 | unsigned old_mode, unsigned new_mode, | |
13 | const unsigned char *old_sha1, | |
14 | const unsigned char *new_sha1, | |
15 | const char *base, const char *path); | |
16 | ||
17 | typedef void (*add_remove_fn_t)(struct diff_options *options, | |
18 | int addremove, unsigned mode, | |
19 | const unsigned char *sha1, | |
20 | const char *base, const char *path); | |
21 | ||
6b5ee137 JH |
22 | struct diff_options { |
23 | const char **paths; | |
24 | const char *filter; | |
25 | const char *orderfile; | |
26 | const char *pickaxe; | |
ac1b3d12 | 27 | unsigned recursive:1, |
80b1e511 JH |
28 | tree_in_recursive:1, |
29 | full_index:1; | |
6b5ee137 JH |
30 | int break_opt; |
31 | int detect_rename; | |
32 | int find_copies_harder; | |
33 | int line_termination; | |
34 | int output_format; | |
35 | int pickaxe_opts; | |
36 | int rename_score; | |
37 | int reverse_diff; | |
8082d8d3 | 38 | int rename_limit; |
6b5ee137 | 39 | int setup; |
47dd0d59 | 40 | int abbrev; |
ac1b3d12 LT |
41 | |
42 | change_fn_t change; | |
43 | add_remove_fn_t add_remove; | |
6b5ee137 JH |
44 | }; |
45 | ||
ac1b3d12 LT |
46 | extern void diff_tree_setup_paths(const char **paths); |
47 | extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2, | |
48 | const char *base, struct diff_options *opt); | |
49 | extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new, | |
50 | const char *base, struct diff_options *opt); | |
51 | ||
ea726d02 JH |
52 | struct combine_diff_path { |
53 | struct combine_diff_path *next; | |
54 | int len; | |
55 | char *path; | |
2454c962 | 56 | unsigned int mode; |
ea726d02 | 57 | unsigned char sha1[20]; |
2454c962 | 58 | struct combine_diff_parent { |
d416df88 | 59 | char status; |
2454c962 JH |
60 | unsigned int mode; |
61 | unsigned char sha1[20]; | |
62 | } parent[FLEX_ARRAY]; | |
ea726d02 | 63 | }; |
2454c962 JH |
64 | #define combine_diff_path_size(n, l) \ |
65 | (sizeof(struct combine_diff_path) + \ | |
66 | sizeof(struct combine_diff_parent) * (n) + (l) + 1) | |
ea726d02 | 67 | |
ee638024 | 68 | extern int show_combined_diff(struct combine_diff_path *elem, int num_parent, |
0a798076 JH |
69 | int dense, const char *header, |
70 | struct diff_options *); | |
ea726d02 | 71 | |
ee638024 | 72 | extern const char *diff_tree_combined_merge(const unsigned char *sha1, const char *, int, struct diff_options *opt); |
af3feefa | 73 | |
6b5ee137 JH |
74 | extern void diff_addremove(struct diff_options *, |
75 | int addremove, | |
77eb2720 JH |
76 | unsigned mode, |
77 | const unsigned char *sha1, | |
78 | const char *base, | |
79 | const char *path); | |
80 | ||
6b5ee137 JH |
81 | extern void diff_change(struct diff_options *, |
82 | unsigned mode1, unsigned mode2, | |
83 | const unsigned char *sha1, | |
84 | const unsigned char *sha2, | |
85 | const char *base, const char *path); | |
77eb2720 | 86 | |
6b5ee137 JH |
87 | extern void diff_unmerge(struct diff_options *, |
88 | const char *path); | |
77eb2720 | 89 | |
57fe64a4 JH |
90 | extern int diff_scoreopt_parse(const char *opt); |
91 | ||
19feebc8 | 92 | #define DIFF_SETUP_REVERSE 1 |
f0c6b2a2 JH |
93 | #define DIFF_SETUP_USE_CACHE 2 |
94 | #define DIFF_SETUP_USE_SIZE_CACHE 4 | |
ce240675 | 95 | |
9ce392f4 | 96 | extern int git_diff_config(const char *var, const char *value); |
6b5ee137 JH |
97 | extern void diff_setup(struct diff_options *); |
98 | extern int diff_opt_parse(struct diff_options *, const char **, int); | |
99 | extern int diff_setup_done(struct diff_options *); | |
86436c28 | 100 | |
6b14d7fa JH |
101 | #define DIFF_DETECT_RENAME 1 |
102 | #define DIFF_DETECT_COPY 2 | |
103 | ||
367cec1c | 104 | #define DIFF_PICKAXE_ALL 1 |
d01d8c67 | 105 | #define DIFF_PICKAXE_REGEX 2 |
f345b0a0 | 106 | |
6b5ee137 | 107 | extern void diffcore_std(struct diff_options *); |
f2ce9fde | 108 | |
6b5ee137 | 109 | extern void diffcore_std_no_resolve(struct diff_options *); |
befe8639 | 110 | |
dda2d79a JH |
111 | #define COMMON_DIFF_OPTIONS_HELP \ |
112 | "\ncommon diff options:\n" \ | |
8082d8d3 JH |
113 | " -z output diff-raw with lines terminated with NUL.\n" \ |
114 | " -p output patch format.\n" \ | |
115 | " -u synonym for -p.\n" \ | |
116 | " --name-only show only names of changed files.\n" \ | |
946f5f7c | 117 | " --name-status show names and status of changed files.\n" \ |
47dd0d59 | 118 | " --full-index show full object name on index lines.\n" \ |
913419fc | 119 | " --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \ |
8082d8d3 JH |
120 | " -R swap input file pairs.\n" \ |
121 | " -B detect complete rewrites.\n" \ | |
122 | " -M detect renames.\n" \ | |
123 | " -C detect copies.\n" \ | |
dda2d79a | 124 | " --find-copies-harder\n" \ |
8082d8d3 JH |
125 | " try unchanged files as candidate for copy detection.\n" \ |
126 | " -l<n> limit rename attempts up to <n> paths.\n" \ | |
127 | " -O<file> reorder diffs according to the <file>.\n" \ | |
128 | " -S<string> find filepair whose only one side contains the string.\n" \ | |
dda2d79a | 129 | " --pickaxe-all\n" \ |
8082d8d3 | 130 | " show all files diff when -S is used and hit is found.\n" |
dda2d79a | 131 | |
38c6f780 JH |
132 | extern int diff_queue_is_empty(void); |
133 | ||
e68b6f15 | 134 | #define DIFF_FORMAT_RAW 1 |
19feebc8 JH |
135 | #define DIFF_FORMAT_PATCH 2 |
136 | #define DIFF_FORMAT_NO_OUTPUT 3 | |
52f28529 | 137 | #define DIFF_FORMAT_NAME 4 |
946f5f7c | 138 | #define DIFF_FORMAT_NAME_STATUS 5 |
19feebc8 | 139 | |
6b5ee137 | 140 | extern void diff_flush(struct diff_options*); |
86436c28 | 141 | |
e7baa4f4 | 142 | /* diff-raw status letters */ |
ca8c9156 | 143 | #define DIFF_STATUS_ADDED 'A' |
e7baa4f4 JH |
144 | #define DIFF_STATUS_COPIED 'C' |
145 | #define DIFF_STATUS_DELETED 'D' | |
146 | #define DIFF_STATUS_MODIFIED 'M' | |
147 | #define DIFF_STATUS_RENAMED 'R' | |
148 | #define DIFF_STATUS_TYPE_CHANGED 'T' | |
149 | #define DIFF_STATUS_UNKNOWN 'X' | |
150 | #define DIFF_STATUS_UNMERGED 'U' | |
151 | ||
152 | /* these are not diff-raw status letters proper, but used by | |
153 | * diffcore-filter insn to specify additional restrictions. | |
154 | */ | |
0b34379a | 155 | #define DIFF_STATUS_FILTER_AON '*' |
e7baa4f4 JH |
156 | #define DIFF_STATUS_FILTER_BROKEN 'B' |
157 | ||
47dd0d59 JH |
158 | extern const char *diff_unique_abbrev(const unsigned char *, int); |
159 | ||
86436c28 | 160 | #endif /* DIFF_H */ |