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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 | |
91539833 | 9 | struct rev_info; |
ac1b3d12 | 10 | struct diff_options; |
04245581 | 11 | struct diff_queue_struct; |
ac1b3d12 LT |
12 | |
13 | typedef void (*change_fn_t)(struct diff_options *options, | |
14 | unsigned old_mode, unsigned new_mode, | |
15 | const unsigned char *old_sha1, | |
16 | const unsigned char *new_sha1, | |
fd55a19e | 17 | const char *fullpath); |
ac1b3d12 LT |
18 | |
19 | typedef void (*add_remove_fn_t)(struct diff_options *options, | |
20 | int addremove, unsigned mode, | |
21 | const unsigned char *sha1, | |
fd55a19e | 22 | const char *fullpath); |
ac1b3d12 | 23 | |
04245581 JK |
24 | typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, |
25 | struct diff_options *options, void *data); | |
26 | ||
c6744349 TH |
27 | #define DIFF_FORMAT_RAW 0x0001 |
28 | #define DIFF_FORMAT_DIFFSTAT 0x0002 | |
74e2abe5 JH |
29 | #define DIFF_FORMAT_NUMSTAT 0x0004 |
30 | #define DIFF_FORMAT_SUMMARY 0x0008 | |
31 | #define DIFF_FORMAT_PATCH 0x0010 | |
ebd124c6 | 32 | #define DIFF_FORMAT_SHORTSTAT 0x0020 |
7df7c019 | 33 | #define DIFF_FORMAT_DIRSTAT 0x0040 |
c6744349 TH |
34 | |
35 | /* These override all above */ | |
74e2abe5 JH |
36 | #define DIFF_FORMAT_NAME 0x0100 |
37 | #define DIFF_FORMAT_NAME_STATUS 0x0200 | |
38 | #define DIFF_FORMAT_CHECKDIFF 0x0400 | |
c6744349 TH |
39 | |
40 | /* Same as output_format = 0 but we know that -s flag was given | |
41 | * and we should not give default value to output_format. | |
42 | */ | |
74e2abe5 | 43 | #define DIFF_FORMAT_NO_OUTPUT 0x0800 |
c6744349 | 44 | |
74e2abe5 | 45 | #define DIFF_FORMAT_CALLBACK 0x1000 |
04245581 | 46 | |
8f67f8ae PH |
47 | #define DIFF_OPT_RECURSIVE (1 << 0) |
48 | #define DIFF_OPT_TREE_IN_RECURSIVE (1 << 1) | |
49 | #define DIFF_OPT_BINARY (1 << 2) | |
50 | #define DIFF_OPT_TEXT (1 << 3) | |
51 | #define DIFF_OPT_FULL_INDEX (1 << 4) | |
52 | #define DIFF_OPT_SILENT_ON_REMOVE (1 << 5) | |
53 | #define DIFF_OPT_FIND_COPIES_HARDER (1 << 6) | |
54 | #define DIFF_OPT_FOLLOW_RENAMES (1 << 7) | |
55 | #define DIFF_OPT_COLOR_DIFF (1 << 8) | |
56 | #define DIFF_OPT_COLOR_DIFF_WORDS (1 << 9) | |
57 | #define DIFF_OPT_HAS_CHANGES (1 << 10) | |
58 | #define DIFF_OPT_QUIET (1 << 11) | |
59 | #define DIFF_OPT_NO_INDEX (1 << 12) | |
60 | #define DIFF_OPT_ALLOW_EXTERNAL (1 << 13) | |
61 | #define DIFF_OPT_EXIT_WITH_STATUS (1 << 14) | |
62 | #define DIFF_OPT_REVERSE_DIFF (1 << 15) | |
62c64895 | 63 | #define DIFF_OPT_CHECK_FAILED (1 << 16) |
cd676a51 | 64 | #define DIFF_OPT_RELATIVE_NAME (1 << 17) |
50fd9bd8 | 65 | #define DIFF_OPT_IGNORE_SUBMODULES (1 << 18) |
f88d225f | 66 | #define DIFF_OPT_DIRSTAT_CUMULATIVE (1 << 19) |
fd33777b | 67 | #define DIFF_OPT_DIRSTAT_BY_FILE (1 << 20) |
c7534ef4 | 68 | #define DIFF_OPT_ALLOW_TEXTCONV (1 << 21) |
752c0c24 JS |
69 | |
70 | #define DIFF_OPT_SUBMODULE_LOG (1 << 23) | |
71 | ||
8f67f8ae PH |
72 | #define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag) |
73 | #define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag) | |
74 | #define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag) | |
628d5c2b KC |
75 | #define DIFF_XDL_TST(opts, flag) ((opts)->xdl_opts & XDF_##flag) |
76 | #define DIFF_XDL_SET(opts, flag) ((opts)->xdl_opts |= XDF_##flag) | |
77 | #define DIFF_XDL_CLR(opts, flag) ((opts)->xdl_opts &= ~XDF_##flag) | |
8f67f8ae | 78 | |
6b5ee137 | 79 | struct diff_options { |
6b5ee137 JH |
80 | const char *filter; |
81 | const char *orderfile; | |
82 | const char *pickaxe; | |
2f3f8b21 | 83 | const char *single_follow; |
eab9a40b | 84 | const char *a_prefix, *b_prefix; |
8f67f8ae | 85 | unsigned flags; |
ee1e5412 | 86 | int context; |
6d0e674a | 87 | int interhunkcontext; |
6b5ee137 JH |
88 | int break_opt; |
89 | int detect_rename; | |
fb13227e | 90 | int skip_stat_unmatch; |
6b5ee137 JH |
91 | int line_termination; |
92 | int output_format; | |
93 | int pickaxe_opts; | |
94 | int rename_score; | |
8082d8d3 | 95 | int rename_limit; |
b8960bbe | 96 | int warn_on_too_large_rename; |
7df7c019 | 97 | int dirstat_percent; |
6b5ee137 | 98 | int setup; |
47dd0d59 | 99 | int abbrev; |
cd676a51 JH |
100 | const char *prefix; |
101 | int prefix_length; | |
698ce6f8 | 102 | const char *stat_sep; |
0d21efa5 | 103 | long xdl_opts; |
ac1b3d12 | 104 | |
a2540023 JH |
105 | int stat_width; |
106 | int stat_name_width; | |
2b6a5417 | 107 | const char *word_regex; |
a2540023 | 108 | |
34a5e1a2 JS |
109 | /* this is set by diffcore for DIFF_FORMAT_PATCH */ |
110 | int found_changes; | |
111 | ||
c0c77734 DB |
112 | FILE *file; |
113 | int close_file; | |
114 | ||
a8baa7b9 JH |
115 | int nr_paths; |
116 | const char **paths; | |
117 | int *pathlens; | |
ac1b3d12 LT |
118 | change_fn_t change; |
119 | add_remove_fn_t add_remove; | |
04245581 JK |
120 | diff_format_fn_t format_callback; |
121 | void *format_callback_data; | |
6b5ee137 JH |
122 | }; |
123 | ||
ce436973 JK |
124 | enum color_diff { |
125 | DIFF_RESET = 0, | |
126 | DIFF_PLAIN = 1, | |
127 | DIFF_METAINFO = 2, | |
128 | DIFF_FRAGINFO = 3, | |
129 | DIFF_FILE_OLD = 4, | |
130 | DIFF_FILE_NEW = 5, | |
131 | DIFF_COMMIT = 6, | |
448c3ef1 | 132 | DIFF_WHITESPACE = 7, |
89cb73a1 | 133 | DIFF_FUNCINFO = 8, |
ce436973 JK |
134 | }; |
135 | const char *diff_get_color(int diff_use_color, enum color_diff ix); | |
8f67f8ae PH |
136 | #define diff_get_color_opt(o, ix) \ |
137 | diff_get_color(DIFF_OPT_TST((o), COLOR_DIFF), ix) | |
138 | ||
ce436973 | 139 | |
698ce6f8 JS |
140 | extern const char mime_boundary_leader[]; |
141 | ||
a8baa7b9 JH |
142 | extern void diff_tree_setup_paths(const char **paths, struct diff_options *); |
143 | extern void diff_tree_release_paths(struct diff_options *); | |
ac1b3d12 LT |
144 | extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2, |
145 | const char *base, struct diff_options *opt); | |
146 | extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new, | |
147 | const char *base, struct diff_options *opt); | |
2b60356d RS |
148 | extern int diff_root_tree_sha1(const unsigned char *new, const char *base, |
149 | struct diff_options *opt); | |
ac1b3d12 | 150 | |
ea726d02 JH |
151 | struct combine_diff_path { |
152 | struct combine_diff_path *next; | |
153 | int len; | |
154 | char *path; | |
2454c962 | 155 | unsigned int mode; |
ea726d02 | 156 | unsigned char sha1[20]; |
2454c962 | 157 | struct combine_diff_parent { |
d416df88 | 158 | char status; |
2454c962 JH |
159 | unsigned int mode; |
160 | unsigned char sha1[20]; | |
161 | } parent[FLEX_ARRAY]; | |
ea726d02 | 162 | }; |
2454c962 JH |
163 | #define combine_diff_path_size(n, l) \ |
164 | (sizeof(struct combine_diff_path) + \ | |
165 | sizeof(struct combine_diff_parent) * (n) + (l) + 1) | |
ea726d02 | 166 | |
91539833 LT |
167 | extern void show_combined_diff(struct combine_diff_path *elem, int num_parent, |
168 | int dense, struct rev_info *); | |
ea726d02 | 169 | |
0fe7c1de JH |
170 | extern void diff_tree_combined(const unsigned char *sha1, const unsigned char parent[][20], int num_parent, int dense, struct rev_info *rev); |
171 | ||
91539833 | 172 | extern void diff_tree_combined_merge(const unsigned char *sha1, int, struct rev_info *); |
af3feefa | 173 | |
a5a818ee JH |
174 | void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b); |
175 | ||
6b5ee137 JH |
176 | extern void diff_addremove(struct diff_options *, |
177 | int addremove, | |
77eb2720 JH |
178 | unsigned mode, |
179 | const unsigned char *sha1, | |
fd55a19e | 180 | const char *fullpath); |
77eb2720 | 181 | |
6b5ee137 JH |
182 | extern void diff_change(struct diff_options *, |
183 | unsigned mode1, unsigned mode2, | |
184 | const unsigned char *sha1, | |
185 | const unsigned char *sha2, | |
fd55a19e | 186 | const char *fullpath); |
77eb2720 | 187 | |
6b5ee137 | 188 | extern void diff_unmerge(struct diff_options *, |
e9c84099 JH |
189 | const char *path, |
190 | unsigned mode, | |
191 | const unsigned char *sha1); | |
77eb2720 | 192 | |
19feebc8 | 193 | #define DIFF_SETUP_REVERSE 1 |
f0c6b2a2 JH |
194 | #define DIFF_SETUP_USE_CACHE 2 |
195 | #define DIFF_SETUP_USE_SIZE_CACHE 4 | |
ce240675 | 196 | |
ef90d6d4 JS |
197 | extern int git_diff_basic_config(const char *var, const char *value, void *cb); |
198 | extern int git_diff_ui_config(const char *var, const char *value, void *cb); | |
6b2f2d98 | 199 | extern int diff_use_color_default; |
6b5ee137 JH |
200 | extern void diff_setup(struct diff_options *); |
201 | extern int diff_opt_parse(struct diff_options *, const char **, int); | |
202 | extern int diff_setup_done(struct diff_options *); | |
86436c28 | 203 | |
6b14d7fa JH |
204 | #define DIFF_DETECT_RENAME 1 |
205 | #define DIFF_DETECT_COPY 2 | |
206 | ||
367cec1c | 207 | #define DIFF_PICKAXE_ALL 1 |
d01d8c67 | 208 | #define DIFF_PICKAXE_REGEX 2 |
f345b0a0 | 209 | |
6b5ee137 | 210 | extern void diffcore_std(struct diff_options *); |
f2ce9fde | 211 | |
dda2d79a JH |
212 | #define COMMON_DIFF_OPTIONS_HELP \ |
213 | "\ncommon diff options:\n" \ | |
8082d8d3 JH |
214 | " -z output diff-raw with lines terminated with NUL.\n" \ |
215 | " -p output patch format.\n" \ | |
216 | " -u synonym for -p.\n" \ | |
5c91da25 PB |
217 | " --patch-with-raw\n" \ |
218 | " output both a patch and the diff-raw format.\n" \ | |
d75f7952 | 219 | " --stat show diffstat instead of patch.\n" \ |
74e2abe5 | 220 | " --numstat show numeric diffstat instead of patch.\n" \ |
29353273 JS |
221 | " --patch-with-stat\n" \ |
222 | " output a patch and prepend its diffstat.\n" \ | |
8082d8d3 | 223 | " --name-only show only names of changed files.\n" \ |
946f5f7c | 224 | " --name-status show names and status of changed files.\n" \ |
47dd0d59 | 225 | " --full-index show full object name on index lines.\n" \ |
913419fc | 226 | " --abbrev=<n> abbreviate object names in diff-tree header and diff-raw.\n" \ |
8082d8d3 JH |
227 | " -R swap input file pairs.\n" \ |
228 | " -B detect complete rewrites.\n" \ | |
229 | " -M detect renames.\n" \ | |
230 | " -C detect copies.\n" \ | |
dda2d79a | 231 | " --find-copies-harder\n" \ |
8082d8d3 JH |
232 | " try unchanged files as candidate for copy detection.\n" \ |
233 | " -l<n> limit rename attempts up to <n> paths.\n" \ | |
234 | " -O<file> reorder diffs according to the <file>.\n" \ | |
235 | " -S<string> find filepair whose only one side contains the string.\n" \ | |
dda2d79a | 236 | " --pickaxe-all\n" \ |
ca49920f SF |
237 | " show all files diff when -S is used and hit is found.\n" \ |
238 | " -a --text treat all files as text.\n" | |
dda2d79a | 239 | |
38c6f780 | 240 | extern int diff_queue_is_empty(void); |
6b5ee137 | 241 | extern void diff_flush(struct diff_options*); |
86436c28 | 242 | |
e7baa4f4 | 243 | /* diff-raw status letters */ |
ca8c9156 | 244 | #define DIFF_STATUS_ADDED 'A' |
e7baa4f4 JH |
245 | #define DIFF_STATUS_COPIED 'C' |
246 | #define DIFF_STATUS_DELETED 'D' | |
247 | #define DIFF_STATUS_MODIFIED 'M' | |
248 | #define DIFF_STATUS_RENAMED 'R' | |
249 | #define DIFF_STATUS_TYPE_CHANGED 'T' | |
250 | #define DIFF_STATUS_UNKNOWN 'X' | |
251 | #define DIFF_STATUS_UNMERGED 'U' | |
252 | ||
253 | /* these are not diff-raw status letters proper, but used by | |
254 | * diffcore-filter insn to specify additional restrictions. | |
255 | */ | |
0b34379a | 256 | #define DIFF_STATUS_FILTER_AON '*' |
e7baa4f4 JH |
257 | #define DIFF_STATUS_FILTER_BROKEN 'B' |
258 | ||
47dd0d59 JH |
259 | extern const char *diff_unique_abbrev(const unsigned char *, int); |
260 | ||
4bd5b7da JH |
261 | /* do not report anything on removed paths */ |
262 | #define DIFF_SILENT_ON_REMOVED 01 | |
fb63d7f8 JH |
263 | /* report racily-clean paths as modified */ |
264 | #define DIFF_RACY_IS_MODIFIED 02 | |
4bd5b7da | 265 | extern int run_diff_files(struct rev_info *revs, unsigned int option); |
5c21ac0e | 266 | extern int run_diff_index(struct rev_info *revs, int cached); |
e09ad6e1 | 267 | |
1cfe7733 | 268 | extern int do_diff_cache(const unsigned char *, struct diff_options *); |
fcb3d0ad JS |
269 | extern int diff_flush_patch_id(struct diff_options *, unsigned char *); |
270 | ||
da31b358 JH |
271 | extern int diff_result_code(struct diff_options *, int); |
272 | ||
0569e9b8 JH |
273 | extern void diff_no_index(struct rev_info *, int, const char **, int, const char *); |
274 | ||
75f3ff2e SB |
275 | extern int index_differs_from(const char *def, int diff_flags); |
276 | ||
86436c28 | 277 | #endif /* DIFF_H */ |