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e83c5163 LT |
1 | #ifndef CACHE_H |
2 | #define CACHE_H | |
3 | ||
4050c0df | 4 | #include "git-compat-util.h" |
5ecd293d | 5 | #include "strbuf.h" |
cf558704 | 6 | #include "hash.h" |
e83c5163 | 7 | |
cef661fc | 8 | #include SHA1_HEADER |
9126f009 NP |
9 | #ifndef git_SHA_CTX |
10 | #define git_SHA_CTX SHA_CTX | |
11 | #define git_SHA1_Init SHA1_Init | |
12 | #define git_SHA1_Update SHA1_Update | |
13 | #define git_SHA1_Final SHA1_Final | |
14 | #endif | |
e83c5163 | 15 | |
9126f009 | 16 | #include <zlib.h> |
609a2289 | 17 | #if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200 |
9da3acfb ET |
18 | #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) |
19 | #endif | |
20 | ||
962554c6 | 21 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
22 | #define DTYPE(de) ((de)->d_type) |
23 | #else | |
0bdd79af JH |
24 | #undef DT_UNKNOWN |
25 | #undef DT_DIR | |
26 | #undef DT_REG | |
27 | #undef DT_LNK | |
b6829693 ET |
28 | #define DT_UNKNOWN 0 |
29 | #define DT_DIR 1 | |
30 | #define DT_REG 2 | |
a15c1c60 | 31 | #define DT_LNK 3 |
b6829693 ET |
32 | #define DTYPE(de) DT_UNKNOWN |
33 | #endif | |
34 | ||
40689ae1 MK |
35 | /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ |
36 | #define S_IFINVALID 0030000 | |
37 | ||
9eec4795 LT |
38 | /* |
39 | * A "directory link" is a link to another git directory. | |
40 | * | |
41 | * The value 0160000 is not normally a valid mode, and | |
42 | * also just happens to be S_IFDIR + S_IFLNK | |
43 | * | |
44 | * NOTE! We *really* shouldn't depend on the S_IFxxx macros | |
45 | * always having the same values everywhere. We should use | |
46 | * our internal git values for these things, and then we can | |
47 | * translate that to the OS-specific value. It just so | |
48 | * happens that everybody shares the same bit representation | |
49 | * in the UNIX world (and apparently wider too..) | |
50 | */ | |
302b9282 MW |
51 | #define S_IFGITLINK 0160000 |
52 | #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) | |
9eec4795 | 53 | |
2386d658 LT |
54 | /* |
55 | * Intensive research over the course of many years has shown that | |
56 | * port 9418 is totally unused by anything else. Or | |
57 | * | |
58 | * Your search - "port 9418" - did not match any documents. | |
59 | * | |
60 | * as www.google.com puts it. | |
ba8a4970 LT |
61 | * |
62 | * This port has been properly assigned for git use by IANA: | |
63 | * git (Assigned-9418) [I06-050728-0001]. | |
64 | * | |
65 | * git 9418/tcp git pack transfer service | |
66 | * git 9418/udp git pack transfer service | |
67 | * | |
68 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
69 | * contact. September 2005. | |
70 | * | |
71 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
72 | */ |
73 | #define DEFAULT_GIT_PORT 9418 | |
74 | ||
e83c5163 LT |
75 | /* |
76 | * Basic data structures for the directory cache | |
e83c5163 LT |
77 | */ |
78 | ||
79 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
80 | struct cache_header { | |
ccc4feb5 LT |
81 | unsigned int hdr_signature; |
82 | unsigned int hdr_version; | |
83 | unsigned int hdr_entries; | |
e83c5163 LT |
84 | }; |
85 | ||
86 | /* | |
87 | * The "cache_time" is just the low 32 bits of the | |
88 | * time. It doesn't matter if it overflows - we only | |
89 | * check it for equality in the 32 bits we save. | |
90 | */ | |
91 | struct cache_time { | |
92 | unsigned int sec; | |
93 | unsigned int nsec; | |
94 | }; | |
95 | ||
96 | /* | |
97 | * dev/ino/uid/gid/size are also just tracked to the low 32 bits | |
98 | * Again - this is just a (very strong in practice) heuristic that | |
99 | * the inode hasn't changed. | |
ccc4feb5 LT |
100 | * |
101 | * We save the fields in big-endian order to allow using the | |
102 | * index file over NFS transparently. | |
e83c5163 | 103 | */ |
7a51ed66 LT |
104 | struct ondisk_cache_entry { |
105 | struct cache_time ctime; | |
106 | struct cache_time mtime; | |
107 | unsigned int dev; | |
108 | unsigned int ino; | |
109 | unsigned int mode; | |
110 | unsigned int uid; | |
111 | unsigned int gid; | |
112 | unsigned int size; | |
113 | unsigned char sha1[20]; | |
114 | unsigned short flags; | |
115 | char name[FLEX_ARRAY]; /* more */ | |
116 | }; | |
117 | ||
06aaaa0b NTND |
118 | /* |
119 | * This struct is used when CE_EXTENDED bit is 1 | |
120 | * The struct must match ondisk_cache_entry exactly from | |
121 | * ctime till flags | |
122 | */ | |
123 | struct ondisk_cache_entry_extended { | |
124 | struct cache_time ctime; | |
125 | struct cache_time mtime; | |
126 | unsigned int dev; | |
127 | unsigned int ino; | |
128 | unsigned int mode; | |
129 | unsigned int uid; | |
130 | unsigned int gid; | |
131 | unsigned int size; | |
132 | unsigned char sha1[20]; | |
133 | unsigned short flags; | |
134 | unsigned short flags2; | |
135 | char name[FLEX_ARRAY]; /* more */ | |
136 | }; | |
137 | ||
e83c5163 | 138 | struct cache_entry { |
7a51ed66 LT |
139 | unsigned int ce_ctime; |
140 | unsigned int ce_mtime; | |
ccc4feb5 LT |
141 | unsigned int ce_dev; |
142 | unsigned int ce_ino; | |
143 | unsigned int ce_mode; | |
144 | unsigned int ce_uid; | |
145 | unsigned int ce_gid; | |
146 | unsigned int ce_size; | |
7a51ed66 | 147 | unsigned int ce_flags; |
e83c5163 | 148 | unsigned char sha1[20]; |
eb7a2f1d | 149 | struct cache_entry *next; |
8f1d2e6f | 150 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
151 | }; |
152 | ||
95fd5bf8 LT |
153 | #define CE_NAMEMASK (0x0fff) |
154 | #define CE_STAGEMASK (0x3000) | |
16ce2e4c | 155 | #define CE_EXTENDED (0x4000) |
5f73076c | 156 | #define CE_VALID (0x8000) |
aee46198 | 157 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 158 | |
06aaaa0b NTND |
159 | /* |
160 | * Range 0xFFFF0000 in ce_flags is divided into | |
161 | * two parts: in-memory flags and on-disk ones. | |
162 | * Flags in CE_EXTENDED_FLAGS will get saved on-disk | |
163 | * if you want to save a new flag, add it in | |
164 | * CE_EXTENDED_FLAGS | |
165 | * | |
166 | * In-memory only flags | |
167 | */ | |
7a51ed66 LT |
168 | #define CE_UPDATE (0x10000) |
169 | #define CE_REMOVE (0x20000) | |
eadb5831 | 170 | #define CE_UPTODATE (0x40000) |
1102952b | 171 | #define CE_ADDED (0x80000) |
a22c6371 LT |
172 | |
173 | #define CE_HASHED (0x100000) | |
174 | #define CE_UNHASHED (0x200000) | |
7a51ed66 | 175 | |
06aaaa0b NTND |
176 | /* |
177 | * Extended on-disk flags | |
178 | */ | |
388b2acd | 179 | #define CE_INTENT_TO_ADD 0x20000000 |
06aaaa0b NTND |
180 | /* CE_EXTENDED2 is for future extension */ |
181 | #define CE_EXTENDED2 0x80000000 | |
182 | ||
388b2acd | 183 | #define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD) |
06aaaa0b NTND |
184 | |
185 | /* | |
186 | * Safeguard to avoid saving wrong flags: | |
187 | * - CE_EXTENDED2 won't get saved until its semantic is known | |
188 | * - Bits in 0x0000FFFF have been saved in ce_flags already | |
189 | * - Bits in 0x003F0000 are currently in-memory flags | |
190 | */ | |
191 | #if CE_EXTENDED_FLAGS & 0x803FFFFF | |
192 | #error "CE_EXTENDED_FLAGS out of range" | |
193 | #endif | |
194 | ||
eb7a2f1d LT |
195 | /* |
196 | * Copy the sha1 and stat state of a cache entry from one to | |
197 | * another. But we never change the name, or the hash state! | |
198 | */ | |
199 | #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED) | |
200 | static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src) | |
201 | { | |
202 | unsigned int state = dst->ce_flags & CE_STATE_MASK; | |
203 | ||
204 | /* Don't copy hash chain and name */ | |
205 | memcpy(dst, src, offsetof(struct cache_entry, next)); | |
206 | ||
207 | /* Restore the hash state */ | |
208 | dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state; | |
209 | } | |
210 | ||
7fec10b7 JH |
211 | static inline unsigned create_ce_flags(size_t len, unsigned stage) |
212 | { | |
213 | if (len >= CE_NAMEMASK) | |
214 | len = CE_NAMEMASK; | |
215 | return (len | (stage << CE_STAGESHIFT)); | |
216 | } | |
217 | ||
218 | static inline size_t ce_namelen(const struct cache_entry *ce) | |
219 | { | |
220 | size_t len = ce->ce_flags & CE_NAMEMASK; | |
221 | if (len < CE_NAMEMASK) | |
222 | return len; | |
223 | return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK; | |
224 | } | |
225 | ||
aee46198 | 226 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) |
06aaaa0b NTND |
227 | #define ondisk_ce_size(ce) (((ce)->ce_flags & CE_EXTENDED) ? \ |
228 | ondisk_cache_entry_extended_size(ce_namelen(ce)) : \ | |
229 | ondisk_cache_entry_size(ce_namelen(ce))) | |
7a51ed66 | 230 | #define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT) |
eadb5831 JH |
231 | #define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE) |
232 | #define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE) | |
aee46198 | 233 | |
e4479470 | 234 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
235 | static inline unsigned int create_ce_mode(unsigned int mode) |
236 | { | |
8ae0a8c5 | 237 | if (S_ISLNK(mode)) |
7a51ed66 | 238 | return S_IFLNK; |
302b9282 | 239 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
7a51ed66 LT |
240 | return S_IFGITLINK; |
241 | return S_IFREG | ce_permissions(mode); | |
8ae0a8c5 | 242 | } |
185c975f JH |
243 | static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode) |
244 | { | |
78a8d641 JS |
245 | extern int trust_executable_bit, has_symlinks; |
246 | if (!has_symlinks && S_ISREG(mode) && | |
7a51ed66 | 247 | ce && S_ISLNK(ce->ce_mode)) |
78a8d641 | 248 | return ce->ce_mode; |
185c975f | 249 | if (!trust_executable_bit && S_ISREG(mode)) { |
7a51ed66 | 250 | if (ce && S_ISREG(ce->ce_mode)) |
185c975f JH |
251 | return ce->ce_mode; |
252 | return create_ce_mode(0666); | |
253 | } | |
254 | return create_ce_mode(mode); | |
255 | } | |
d6b8fc30 JH |
256 | static inline int ce_to_dtype(const struct cache_entry *ce) |
257 | { | |
258 | unsigned ce_mode = ntohl(ce->ce_mode); | |
259 | if (S_ISREG(ce_mode)) | |
260 | return DT_REG; | |
261 | else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode)) | |
262 | return DT_DIR; | |
263 | else if (S_ISLNK(ce_mode)) | |
264 | return DT_LNK; | |
265 | else | |
266 | return DT_UNKNOWN; | |
267 | } | |
1b0c7174 JH |
268 | #define canon_mode(mode) \ |
269 | (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ | |
302b9282 | 270 | S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK) |
e4479470 | 271 | |
06aaaa0b NTND |
272 | #define flexible_size(STRUCT,len) ((offsetof(struct STRUCT,name) + (len) + 8) & ~7) |
273 | #define cache_entry_size(len) flexible_size(cache_entry,len) | |
274 | #define ondisk_cache_entry_size(len) flexible_size(ondisk_cache_entry,len) | |
275 | #define ondisk_cache_entry_extended_size(len) flexible_size(ondisk_cache_entry_extended,len) | |
f5cabd13 | 276 | |
228e94f9 JH |
277 | struct index_state { |
278 | struct cache_entry **cache; | |
279 | unsigned int cache_nr, cache_alloc, cache_changed; | |
280 | struct cache_tree *cache_tree; | |
281 | time_t timestamp; | |
7a51ed66 | 282 | void *alloc; |
913e0e99 JH |
283 | unsigned name_hash_initialized : 1, |
284 | initialized : 1; | |
cf558704 | 285 | struct hash_table name_hash; |
228e94f9 JH |
286 | }; |
287 | ||
288 | extern struct index_state the_index; | |
289 | ||
96872bc2 LT |
290 | /* Name hashing */ |
291 | extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); | |
292 | /* | |
293 | * We don't actually *remove* it, we can just mark it invalid so that | |
294 | * we won't find it in lookups. | |
295 | * | |
296 | * Not only would we have to search the lists (simple enough), but | |
297 | * we'd also have to rehash other hash buckets in case this makes the | |
298 | * hash bucket empty (common). So it's much better to just mark | |
299 | * it. | |
300 | */ | |
301 | static inline void remove_name_hash(struct cache_entry *ce) | |
302 | { | |
303 | ce->ce_flags |= CE_UNHASHED; | |
304 | } | |
305 | ||
306 | ||
4aab5b46 | 307 | #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS |
228e94f9 JH |
308 | #define active_cache (the_index.cache) |
309 | #define active_nr (the_index.cache_nr) | |
310 | #define active_alloc (the_index.cache_alloc) | |
311 | #define active_cache_changed (the_index.cache_changed) | |
312 | #define active_cache_tree (the_index.cache_tree) | |
e83c5163 | 313 | |
4aab5b46 JH |
314 | #define read_cache() read_index(&the_index) |
315 | #define read_cache_from(path) read_index_from(&the_index, (path)) | |
671c9b7e | 316 | #define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec)) |
fa7b3c2f | 317 | #define is_cache_unborn() is_index_unborn(&the_index) |
e46bbcf6 | 318 | #define read_cache_unmerged() read_index_unmerged(&the_index) |
4aab5b46 JH |
319 | #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd)) |
320 | #define discard_cache() discard_index(&the_index) | |
94a5728c | 321 | #define unmerged_cache() unmerged_index(&the_index) |
4aab5b46 JH |
322 | #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen)) |
323 | #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) | |
81dc2307 | 324 | #define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name)) |
4aab5b46 JH |
325 | #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) |
326 | #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) | |
38ed1d89 JH |
327 | #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags)) |
328 | #define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) | |
d616813d | 329 | #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL) |
4bd5b7da JH |
330 | #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) |
331 | #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) | |
cd2fef59 | 332 | #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) |
98fa4738 | 333 | #define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) |
4aab5b46 | 334 | #endif |
e83c5163 | 335 | |
edaec3fb JH |
336 | enum object_type { |
337 | OBJ_BAD = -1, | |
338 | OBJ_NONE = 0, | |
339 | OBJ_COMMIT = 1, | |
340 | OBJ_TREE = 2, | |
341 | OBJ_BLOB = 3, | |
342 | OBJ_TAG = 4, | |
343 | /* 5 for future expansion */ | |
344 | OBJ_OFS_DELTA = 6, | |
345 | OBJ_REF_DELTA = 7, | |
355885d5 | 346 | OBJ_ANY, |
edaec3fb JH |
347 | OBJ_MAX, |
348 | }; | |
349 | ||
b45563a2 JH |
350 | static inline enum object_type object_type(unsigned int mode) |
351 | { | |
352 | return S_ISDIR(mode) ? OBJ_TREE : | |
353 | S_ISGITLINK(mode) ? OBJ_COMMIT : | |
354 | OBJ_BLOB; | |
355 | } | |
356 | ||
8ac069ac | 357 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
892c41b9 | 358 | #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" |
8ac069ac | 359 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" |
d19938ab | 360 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 361 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 362 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
d4ebc36c JH |
363 | #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" |
364 | #define CONFIG_ENVIRONMENT "GIT_CONFIG" | |
d4ebc36c | 365 | #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" |
0454dd93 | 366 | #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" |
d0bfd026 JH |
367 | #define GITATTRIBUTES_FILE ".gitattributes" |
368 | #define INFOATTRIBUTES_FILE "info/attributes" | |
f48fd688 | 369 | #define ATTRIBUTE_MACRO_PREFIX "[attr]" |
bb233d69 | 370 | |
7d1864ce JH |
371 | extern int is_bare_repository_cfg; |
372 | extern int is_bare_repository(void); | |
68025633 | 373 | extern int is_inside_git_dir(void); |
e90fdc39 | 374 | extern char *git_work_tree_cfg; |
892c41b9 | 375 | extern int is_inside_work_tree(void); |
d2b0708e | 376 | extern int have_git_dir(void); |
c5fba16c | 377 | extern const char *get_git_dir(void); |
8ac069ac JH |
378 | extern char *get_object_directory(void); |
379 | extern char *get_index_file(void); | |
5da5c8f4 | 380 | extern char *get_graft_file(void); |
d7ac12b2 | 381 | extern int set_git_dir(const char *path); |
e90fdc39 | 382 | extern const char *get_git_work_tree(void); |
b44ebb19 | 383 | extern const char *read_gitfile_gently(const char *path); |
19757d80 | 384 | extern void set_git_work_tree(const char *tree); |
8ac069ac JH |
385 | |
386 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 387 | |
6b5ee137 | 388 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
59f0f2f3 | 389 | extern void setup_work_tree(void); |
4ca06608 | 390 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 391 | extern const char *setup_git_directory(void); |
6b5ee137 | 392 | extern const char *prefix_path(const char *prefix, int len, const char *path); |
4ca06608 | 393 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
e23d0b4a | 394 | extern void verify_filename(const char *prefix, const char *name); |
ea92f41f | 395 | extern void verify_non_filename(const char *prefix, const char *name); |
d288a700 | 396 | |
f225aeb2 DB |
397 | #define INIT_DB_QUIET 0x0001 |
398 | ||
399 | extern int init_db(const char *template_dir, unsigned int flags); | |
400 | ||
e83c5163 LT |
401 | #define alloc_nr(x) (((x)+16)*3/2) |
402 | ||
6815e569 JK |
403 | /* |
404 | * Realloc the buffer pointed at by variable 'x' so that it can hold | |
405 | * at least 'nr' entries; the number of entries currently allocated | |
406 | * is 'alloc', using the standard growing factor alloc_nr() macro. | |
407 | * | |
408 | * DO NOT USE any expression with side-effect for 'x' or 'alloc'. | |
409 | */ | |
410 | #define ALLOC_GROW(x, nr, alloc) \ | |
411 | do { \ | |
c927e6c6 | 412 | if ((nr) > alloc) { \ |
4234a761 JH |
413 | if (alloc_nr(alloc) < (nr)) \ |
414 | alloc = (nr); \ | |
415 | else \ | |
416 | alloc = alloc_nr(alloc); \ | |
6815e569 JK |
417 | x = xrealloc((x), alloc * sizeof(*(x))); \ |
418 | } \ | |
419 | } while(0) | |
420 | ||
734aab75 | 421 | /* Initialize and use the cache information */ |
4aab5b46 | 422 | extern int read_index(struct index_state *); |
671c9b7e | 423 | extern int read_index_preload(struct index_state *, const char **pathspec); |
4aab5b46 | 424 | extern int read_index_from(struct index_state *, const char *path); |
fa7b3c2f | 425 | extern int is_index_unborn(struct index_state *); |
e46bbcf6 | 426 | extern int read_index_unmerged(struct index_state *); |
d1f128b0 | 427 | extern int write_index(const struct index_state *, int newfd); |
4aab5b46 | 428 | extern int discard_index(struct index_state *); |
d1f128b0 | 429 | extern int unmerged_index(const struct index_state *); |
8dcf39c4 | 430 | extern int verify_path(const char *path); |
cd2fef59 | 431 | extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase); |
d1f128b0 | 432 | extern int index_name_pos(const struct index_state *, const char *name, int namelen); |
192268c1 JH |
433 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
434 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 435 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
af3785dc | 436 | #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ |
39425819 | 437 | #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ |
4aab5b46 | 438 | extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); |
8fd2cb40 | 439 | extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); |
81dc2307 | 440 | extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); |
4aab5b46 JH |
441 | extern int remove_index_entry_at(struct index_state *, int pos); |
442 | extern int remove_file_from_index(struct index_state *, const char *path); | |
38ed1d89 JH |
443 | #define ADD_CACHE_VERBOSE 1 |
444 | #define ADD_CACHE_PRETEND 2 | |
01665924 | 445 | #define ADD_CACHE_IGNORE_ERRORS 4 |
041aee31 | 446 | #define ADD_CACHE_IGNORE_REMOVAL 8 |
39425819 | 447 | #define ADD_CACHE_INTENT 16 |
38ed1d89 JH |
448 | extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); |
449 | extern int add_file_to_index(struct index_state *, const char *path, int flags); | |
6640f881 | 450 | extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); |
dbbce55b | 451 | extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); |
98fa4738 | 452 | extern int index_name_is_other(const struct index_state *, const char *, int); |
4bd5b7da JH |
453 | |
454 | /* do stat comparison even if CE_VALID is true */ | |
455 | #define CE_MATCH_IGNORE_VALID 01 | |
456 | /* do not check the contents but report dirty on racily-clean entries */ | |
457 | #define CE_MATCH_RACY_IS_DIRTY 02 | |
d1f128b0 LT |
458 | extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); |
459 | extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); | |
4bd5b7da | 460 | |
c0fd1f51 | 461 | extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); |
53bca91a | 462 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path); |
ec1fcc16 | 463 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); |
415e96c8 JH |
464 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
465 | ||
405e5b2f LT |
466 | #define REFRESH_REALLY 0x0001 /* ignore_valid */ |
467 | #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ | |
468 | #define REFRESH_QUIET 0x0004 /* be quiet about it */ | |
469 | #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ | |
3f1b7b60 | 470 | #define REFRESH_IGNORE_SUBMODULES 0x0010 /* ignore submodules */ |
d14e7407 | 471 | #define REFRESH_SAY_CHANGED 0x0020 /* say "changed" not "needs update" */ |
d616813d | 472 | extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen); |
405e5b2f | 473 | |
021b6e45 JH |
474 | struct lock_file { |
475 | struct lock_file *next; | |
4723ee99 | 476 | int fd; |
5e635e39 | 477 | pid_t owner; |
1084b845 | 478 | char on_list; |
021b6e45 | 479 | char filename[PATH_MAX]; |
415e96c8 | 480 | }; |
acd3b9ec JH |
481 | #define LOCK_DIE_ON_ERROR 1 |
482 | #define LOCK_NODEREF 2 | |
40aaae88 | 483 | extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); |
ea3cd5c7 | 484 | extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); |
021b6e45 | 485 | extern int commit_lock_file(struct lock_file *); |
30ca07a2 JH |
486 | |
487 | extern int hold_locked_index(struct lock_file *, int); | |
488 | extern int commit_locked_index(struct lock_file *); | |
5e7f56ac | 489 | extern void set_alternate_index_output(const char *); |
d6cf61bf | 490 | extern int close_lock_file(struct lock_file *); |
021b6e45 | 491 | extern void rollback_lock_file(struct lock_file *); |
eca35a25 | 492 | extern int delete_ref(const char *, const unsigned char *sha1, int delopt); |
734aab75 | 493 | |
2ae1c53b | 494 | /* Environment bits from configuration mechanism */ |
17712991 | 495 | extern int trust_executable_bit; |
1ce4790b | 496 | extern int trust_ctime; |
9378c161 | 497 | extern int quote_path_fully; |
78a8d641 | 498 | extern int has_symlinks; |
0a9b88b7 | 499 | extern int ignore_case; |
5f73076c | 500 | extern int assume_unchanged; |
9f0bb90d | 501 | extern int prefer_symlink_refs; |
6de08ae6 | 502 | extern int log_all_ref_updates; |
2f8acdb3 | 503 | extern int warn_ambiguous_refs; |
457f06d6 | 504 | extern int shared_repository; |
2ae1c53b | 505 | extern const char *apply_default_whitespace; |
12f6c308 | 506 | extern int zlib_compression_level; |
960ccca6 DH |
507 | extern int core_compression_level; |
508 | extern int core_compression_seen; | |
60bb8b14 | 509 | extern size_t packed_git_window_size; |
77ccc5bb | 510 | extern size_t packed_git_limit; |
18bdec11 | 511 | extern size_t delta_base_cache_limit; |
6c510bee | 512 | extern int auto_crlf; |
aafe9fba | 513 | extern int fsync_object_files; |
671c9b7e | 514 | extern int core_preload_index; |
17712991 | 515 | |
21e5ad50 SP |
516 | enum safe_crlf { |
517 | SAFE_CRLF_FALSE = 0, | |
518 | SAFE_CRLF_FAIL = 1, | |
519 | SAFE_CRLF_WARN = 2, | |
520 | }; | |
521 | ||
522 | extern enum safe_crlf safe_crlf; | |
523 | ||
9ed36cfa | 524 | enum branch_track { |
9188ed89 | 525 | BRANCH_TRACK_UNSPECIFIED = -1, |
9ed36cfa JS |
526 | BRANCH_TRACK_NEVER = 0, |
527 | BRANCH_TRACK_REMOTE, | |
528 | BRANCH_TRACK_ALWAYS, | |
529 | BRANCH_TRACK_EXPLICIT, | |
530 | }; | |
531 | ||
c998ae9b DS |
532 | enum rebase_setup_type { |
533 | AUTOREBASE_NEVER = 0, | |
534 | AUTOREBASE_LOCAL, | |
535 | AUTOREBASE_REMOTE, | |
536 | AUTOREBASE_ALWAYS, | |
537 | }; | |
538 | ||
9ed36cfa | 539 | extern enum branch_track git_branch_track; |
c998ae9b | 540 | extern enum rebase_setup_type autorebase; |
9ed36cfa | 541 | |
ab9cb76f JH |
542 | #define GIT_REPO_VERSION 0 |
543 | extern int repository_format_version; | |
544 | extern int check_repository_format(void); | |
545 | ||
734aab75 LT |
546 | #define MTIME_CHANGED 0x0001 |
547 | #define CTIME_CHANGED 0x0002 | |
548 | #define OWNER_CHANGED 0x0004 | |
549 | #define MODE_CHANGED 0x0008 | |
550 | #define INODE_CHANGED 0x0010 | |
551 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 552 | #define TYPE_CHANGED 0x0040 |
e83c5163 | 553 | |
108bebea AR |
554 | extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) |
555 | __attribute__((format (printf, 3, 4))); | |
fe2d7776 AR |
556 | extern char *git_snpath(char *buf, size_t n, const char *fmt, ...) |
557 | __attribute__((format (printf, 3, 4))); | |
aba13e7c AR |
558 | extern char *git_pathdup(const char *fmt, ...) |
559 | __attribute__((format (printf, 1, 2))); | |
108bebea | 560 | |
e83c5163 | 561 | /* Return a statically allocated filename matching the sha1 signature */ |
4ec99bf0 TS |
562 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
563 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
73134b6d | 564 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
565 | extern char *sha1_pack_name(const unsigned char *sha1); |
566 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 567 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 568 | extern const unsigned char null_sha1[20]; |
0bef57ee DR |
569 | static inline int is_null_sha1(const unsigned char *sha1) |
570 | { | |
571 | return !memcmp(sha1, null_sha1, 20); | |
572 | } | |
a89fccd2 DR |
573 | static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) |
574 | { | |
575 | return memcmp(sha1, sha2, 20); | |
576 | } | |
e702496e SP |
577 | static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) |
578 | { | |
579 | memcpy(sha_dst, sha_src, 20); | |
580 | } | |
a8e0d16d JH |
581 | static inline void hashclr(unsigned char *hash) |
582 | { | |
583 | memset(hash, 0, 20); | |
584 | } | |
f55527f8 | 585 | extern int is_empty_blob_sha1(const unsigned char *sha1); |
e83c5163 | 586 | |
14d9c578 JK |
587 | #define EMPTY_TREE_SHA1_HEX \ |
588 | "4b825dc642cb6eb9a060e54bf8d69288fbee4904" | |
589 | #define EMPTY_TREE_SHA1_BIN \ | |
590 | "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ | |
591 | "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" | |
592 | ||
f2db68ed HE |
593 | int git_mkstemp(char *path, size_t n, const char *template); |
594 | ||
06cbe855 HO |
595 | /* |
596 | * NOTE NOTE NOTE!! | |
597 | * | |
598 | * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must | |
599 | * not be changed. Old repositories have core.sharedrepository written in | |
600 | * numeric format, and therefore these values are preserved for compatibility | |
601 | * reasons. | |
602 | */ | |
94df2506 | 603 | enum sharedrepo { |
06cbe855 HO |
604 | PERM_UMASK = 0, |
605 | OLD_PERM_GROUP = 1, | |
606 | OLD_PERM_EVERYBODY = 2, | |
607 | PERM_GROUP = 0660, | |
608 | PERM_EVERYBODY = 0664, | |
94df2506 JH |
609 | }; |
610 | int git_config_perm(const char *var, const char *value); | |
457f06d6 | 611 | int adjust_shared_perm(const char *path); |
b2cb9425 | 612 | int safe_create_leading_directories(char *path); |
8e21d63b | 613 | int safe_create_leading_directories_const(const char *path); |
bd22c904 | 614 | char *enter_repo(char *path, int strict); |
e5392c51 JS |
615 | static inline int is_absolute_path(const char *path) |
616 | { | |
25fe217b | 617 | return path[0] == '/' || has_dos_drive_prefix(path); |
e5392c51 | 618 | } |
90b4a71c | 619 | int is_directory(const char *); |
e5392c51 | 620 | const char *make_absolute_path(const char *path); |
1b9a9467 | 621 | const char *make_nonrelative_path(const char *path); |
044bbbcb | 622 | const char *make_relative_path(const char *abs, const char *base); |
ae299be0 | 623 | int normalize_absolute_path(char *buf, const char *path); |
0454dd93 | 624 | int longest_ancestor_length(const char *path, const char *prefix_list); |
b2cb9425 | 625 | |
e83c5163 | 626 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
21666f1a | 627 | extern int sha1_object_info(const unsigned char *, unsigned long *); |
21666f1a | 628 | extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size); |
ce9fbf16 | 629 | extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); |
bf0f910d | 630 | extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
21666f1a | 631 | extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); |
bbac7311 | 632 | extern int force_object_loose(const unsigned char *sha1, time_t mtime); |
8237b185 | 633 | |
ac939109 NP |
634 | /* just like read_sha1_file(), but non fatal in presence of bad objects */ |
635 | extern void *read_object(const unsigned char *sha1, enum object_type *type, unsigned long *size); | |
636 | ||
0e8189e2 NP |
637 | /* global flag to enable extra checks when accessing packed objects */ |
638 | extern int do_check_packed_object_crc; | |
639 | ||
5d6ccf5c | 640 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 641 | |
839837b9 | 642 | extern int move_temp_to_file(const char *tmpfile, const char *filename); |
8237b185 | 643 | |
106d710b | 644 | extern int has_sha1_pack(const unsigned char *sha1, const char **ignore); |
8237b185 | 645 | extern int has_sha1_file(const unsigned char *sha1); |
0f4dc14a | 646 | extern int has_loose_object_nonlocal(const unsigned char *sha1); |
8237b185 | 647 | |
bf592c50 DB |
648 | extern int has_pack_file(const unsigned char *sha1); |
649 | extern int has_pack_index(const unsigned char *sha1); | |
650 | ||
192a6be2 LT |
651 | extern const signed char hexval_table[256]; |
652 | static inline unsigned int hexval(unsigned char c) | |
e49521b5 JH |
653 | { |
654 | return hexval_table[c]; | |
655 | } | |
656 | ||
e83c5163 | 657 | /* Convert to/from hex/sha1 representation */ |
46a6c262 JH |
658 | #define MINIMUM_ABBREV 4 |
659 | #define DEFAULT_ABBREV 7 | |
660 | ||
3c249c95 | 661 | extern int get_sha1(const char *str, unsigned char *sha1); |
a0cd87a5 | 662 | extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode); |
197ee8c9 LT |
663 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
664 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ | |
ca8db142 | 665 | extern int read_ref(const char *filename, unsigned char *sha1); |
8da19775 | 666 | extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *); |
e86eb666 | 667 | extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); |
eb3a4822 | 668 | extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); |
e86eb666 | 669 | |
79803322 SP |
670 | extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); |
671 | extern const char *ref_rev_parse_rules[]; | |
605b4978 | 672 | extern const char *ref_fetch_rules[]; |
79803322 | 673 | |
8b5157e4 | 674 | extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg); |
c847f537 | 675 | extern int validate_headref(const char *ref); |
e83c5163 | 676 | |
958ba6c9 | 677 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
0ab9e1e8 | 678 | extern int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 679 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
e83c5163 | 680 | |
40469ee9 | 681 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 682 | const char *required_type, |
40469ee9 JH |
683 | unsigned long *size, |
684 | unsigned char *sha1_ret); | |
f4913f91 | 685 | |
81776315 JH |
686 | extern struct object *peel_to_type(const char *name, int namelen, |
687 | struct object *o, enum object_type); | |
688 | ||
73013afd JH |
689 | enum date_mode { |
690 | DATE_NORMAL = 0, | |
691 | DATE_RELATIVE, | |
692 | DATE_SHORT, | |
693 | DATE_LOCAL, | |
694 | DATE_ISO8601, | |
695 | DATE_RFC2822 | |
696 | }; | |
697 | ||
f8493ec0 | 698 | const char *show_date(unsigned long time, int timezone, enum date_mode mode); |
2a39064c | 699 | int parse_date(const char *date, char *buf, int bufsize); |
ecee9d9e | 700 | void datestamp(char *buf, int bufsize); |
3c07b1d1 | 701 | unsigned long approxidate(const char *); |
856665f8 | 702 | enum date_mode parse_date_format(const char *format); |
ecee9d9e | 703 | |
774751a8 JH |
704 | #define IDENT_WARN_ON_NO_NAME 1 |
705 | #define IDENT_ERROR_ON_NO_NAME 2 | |
706 | #define IDENT_NO_DATE 4 | |
749be728 JH |
707 | extern const char *git_author_info(int); |
708 | extern const char *git_committer_info(int); | |
798123af | 709 | extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); |
d9ccfe77 | 710 | extern const char *fmt_name(const char *name, const char *email); |
6aa33f40 | 711 | |
12dccc16 LT |
712 | struct checkout { |
713 | const char *base_dir; | |
714 | int base_dir_len; | |
715 | unsigned force:1, | |
716 | quiet:1, | |
717 | not_new:1, | |
718 | refresh_cache:1; | |
719 | }; | |
720 | ||
efbc5831 | 721 | extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); |
c40641b7 | 722 | extern int has_symlink_leading_path(int len, const char *name); |
12dccc16 | 723 | |
9a217f2a | 724 | extern struct alternate_object_database { |
d5a63b99 | 725 | struct alternate_object_database *next; |
9a217f2a | 726 | char *name; |
8f1d2e6f | 727 | char base[FLEX_ARRAY]; /* more */ |
d5a63b99 | 728 | } *alt_odb_list; |
9a217f2a | 729 | extern void prepare_alt_odb(void); |
bef70b22 | 730 | extern void add_to_alternates_file(const char *reference); |
d79796bc JH |
731 | typedef int alt_odb_fn(struct alternate_object_database *, void *); |
732 | extern void foreach_alt_odb(alt_odb_fn, void*); | |
9a217f2a | 733 | |
c41ee586 SP |
734 | struct pack_window { |
735 | struct pack_window *next; | |
736 | unsigned char *base; | |
737 | off_t offset; | |
738 | size_t len; | |
739 | unsigned int last_used; | |
740 | unsigned int inuse_cnt; | |
741 | }; | |
742 | ||
9a217f2a JH |
743 | extern struct packed_git { |
744 | struct packed_git *next; | |
c41ee586 | 745 | struct pack_window *windows; |
2dc3a234 | 746 | off_t pack_size; |
57059091 NP |
747 | const void *index_data; |
748 | size_t index_size; | |
749 | uint32_t num_objects; | |
8eca0b47 NP |
750 | uint32_t num_bad_objects; |
751 | unsigned char *bad_object_sha1; | |
42873078 | 752 | int index_version; |
57059091 | 753 | time_t mtime; |
9bc879c1 | 754 | int pack_fd; |
8d25931d BC |
755 | unsigned pack_local:1, |
756 | pack_keep:1; | |
bf592c50 | 757 | unsigned char sha1[20]; |
8f1d2e6f JH |
758 | /* something like ".git/objects/pack/xxxxx.pack" */ |
759 | char pack_name[FLEX_ARRAY]; /* more */ | |
9a217f2a | 760 | } *packed_git; |
f3bf9224 JH |
761 | |
762 | struct pack_entry { | |
c4001d92 | 763 | off_t offset; |
f3bf9224 JH |
764 | unsigned char sha1[20]; |
765 | struct packed_git *p; | |
766 | }; | |
767 | ||
d1c133f5 LT |
768 | struct ref { |
769 | struct ref *next; | |
770 | unsigned char old_sha1[20]; | |
771 | unsigned char new_sha1[20]; | |
be885d96 | 772 | char *symref; |
9f8a15c7 SP |
773 | unsigned int force:1, |
774 | merge:1, | |
775 | nonfastforward:1, | |
776 | deletion:1; | |
8736a848 JK |
777 | enum { |
778 | REF_STATUS_NONE = 0, | |
779 | REF_STATUS_OK, | |
780 | REF_STATUS_REJECT_NONFASTFORWARD, | |
781 | REF_STATUS_REJECT_NODELETE, | |
782 | REF_STATUS_UPTODATE, | |
ca74c458 | 783 | REF_STATUS_REMOTE_REJECT, |
2a0fe89a | 784 | REF_STATUS_EXPECTING_REPORT, |
8736a848 | 785 | } status; |
2a0fe89a | 786 | char *remote_status; |
f88395ac | 787 | struct ref *peer_ref; /* when renaming */ |
8f1d2e6f | 788 | char name[FLEX_ARRAY]; /* more */ |
d1c133f5 LT |
789 | }; |
790 | ||
2718ff09 LT |
791 | #define REF_NORMAL (1u << 0) |
792 | #define REF_HEADS (1u << 1) | |
793 | #define REF_TAGS (1u << 2) | |
794 | ||
cda69f48 JK |
795 | extern struct ref *find_ref_by_name(struct ref *list, const char *name); |
796 | ||
7841ce79 | 797 | #define CONNECT_VERBOSE (1u << 0) |
4577370e | 798 | extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags); |
98158e9c | 799 | extern int finish_connect(struct child_process *conn); |
013e7c7f | 800 | extern int path_match(const char *path, int nr, char **match); |
41cb7488 | 801 | extern int get_ack(int fd, unsigned char *result_sha1); |
40c155ff JH |
802 | struct extra_have_objects { |
803 | int nr, alloc; | |
804 | unsigned char (*array)[20]; | |
805 | }; | |
806 | extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *); | |
211b5f9e | 807 | extern int server_supports(const char *feature); |
f7192598 | 808 | |
bf592c50 DB |
809 | extern struct packed_git *parse_pack_index(unsigned char *sha1); |
810 | ||
9a217f2a | 811 | extern void prepare_packed_git(void); |
fc04c412 | 812 | extern void reprepare_packed_git(void); |
bf592c50 DB |
813 | extern void install_packed_git(struct packed_git *pack); |
814 | ||
a6080a0a | 815 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, |
bf592c50 DB |
816 | struct packed_git *packs); |
817 | ||
276bc2ca | 818 | extern void pack_report(void); |
d079837e | 819 | extern int open_pack_index(struct packed_git *); |
c4001d92 | 820 | extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); |
c9ced051 | 821 | extern void close_pack_windows(struct packed_git *); |
03e79c88 | 822 | extern void unuse_pack(struct pack_window **); |
c74faea1 | 823 | extern void free_pack_by_name(const char *); |
42873078 | 824 | extern struct packed_git *add_packed_git(const char *, int, int); |
d079837e | 825 | extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); |
99093238 | 826 | extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); |
c4001d92 SP |
827 | extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); |
828 | extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); | |
09ded04b | 829 | extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); |
54dab52a | 830 | extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); |
c4001d92 | 831 | extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *); |
000dfd3f | 832 | extern int matches_pack_name(struct packed_git *p, const char *name); |
9a217f2a | 833 | |
8f3f9b09 JH |
834 | /* Dumb servers support */ |
835 | extern int update_server_info(int); | |
836 | ||
ef90d6d4 JS |
837 | typedef int (*config_fn_t)(const char *, const char *, void *); |
838 | extern int git_default_config(const char *, const char *, void *); | |
839 | extern int git_config_from_file(config_fn_t fn, const char *, void *); | |
840 | extern int git_config(config_fn_t fn, void *); | |
0b87b6e0 | 841 | extern int git_parse_ulong(const char *, unsigned long *); |
17712991 | 842 | extern int git_config_int(const char *, const char *); |
0b87b6e0 | 843 | extern unsigned long git_config_ulong(const char *, const char *); |
a53f2ec6 | 844 | extern int git_config_bool_or_int(const char *, const char *, int *); |
17712991 | 845 | extern int git_config_bool(const char *, const char *); |
ea5105a5 | 846 | extern int git_config_string(const char **, const char *, const char *); |
10bea152 | 847 | extern int git_config_set(const char *, const char *); |
4ddba79d | 848 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
0667fcfb | 849 | extern int git_config_rename_section(const char *, const char *); |
506b17b1 | 850 | extern const char *git_etc_gitconfig(void); |
ef90d6d4 | 851 | extern int check_repository_format_version(const char *var, const char *value, void *cb); |
ab88c363 JK |
852 | extern int git_config_system(void); |
853 | extern int git_config_global(void); | |
40ea4ed9 | 854 | extern int config_error_nonbool(const char *); |
dc871831 | 855 | extern const char *config_exclusive_filename; |
17712991 | 856 | |
e1b10391 LT |
857 | #define MAX_GITNAME (1000) |
858 | extern char git_default_email[MAX_GITNAME]; | |
859 | extern char git_default_name[MAX_GITNAME]; | |
bb1ae3f6 | 860 | extern int user_ident_explicitly_given; |
e1b10391 | 861 | |
1a8f2741 | 862 | extern const char *git_commit_encoding; |
3a55602e | 863 | extern const char *git_log_output_encoding; |
4e72dcec | 864 | |
06f59e9f TT |
865 | /* IO helper functions */ |
866 | extern void maybe_flush_or_die(FILE *, const char *); | |
f3123c4a | 867 | extern int copy_fd(int ifd, int ofd); |
1468bd47 | 868 | extern int copy_file(const char *dst, const char *src, int mode); |
0104ca09 HO |
869 | extern ssize_t read_in_full(int fd, void *buf, size_t count); |
870 | extern ssize_t write_in_full(int fd, const void *buf, size_t count); | |
7230e6d0 | 871 | extern void write_or_die(int fd, const void *buf, size_t count); |
6ce4e61f | 872 | extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); |
e0814056 | 873 | extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); |
4c81b03e | 874 | extern void fsync_or_die(int fd, const char *); |
ad897215 | 875 | |
f67b45f8 LT |
876 | /* pager.c */ |
877 | extern void setup_pager(void); | |
872da32d | 878 | extern const char *pager_program; |
6e9af863 | 879 | extern int pager_in_use(void); |
aa086eb8 | 880 | extern int pager_use_color; |
f67b45f8 | 881 | |
ee9601e6 | 882 | extern const char *editor_program; |
dfb068be | 883 | extern const char *excludes_file; |
4d87b9c5 | 884 | |
051308f6 | 885 | /* base85 */ |
f9815772 JM |
886 | int decode_85(char *dst, const char *line, int linelen); |
887 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 888 | |
855419f7 | 889 | /* alloc.c */ |
100c5f3b LT |
890 | extern void *alloc_blob_node(void); |
891 | extern void *alloc_tree_node(void); | |
892 | extern void *alloc_commit_node(void); | |
893 | extern void *alloc_tag_node(void); | |
894 | extern void *alloc_object_node(void); | |
855419f7 LT |
895 | extern void alloc_report(void); |
896 | ||
6ce4e61f | 897 | /* trace.c */ |
6ce4e61f | 898 | extern void trace_printf(const char *format, ...); |
b319ce4c | 899 | extern void trace_argv_printf(const char **argv, const char *format, ...); |
6ce4e61f | 900 | |
6c510bee | 901 | /* convert.c */ |
5ecd293d | 902 | /* returns 1 if *dst was used */ |
21e5ad50 SP |
903 | extern int convert_to_git(const char *path, const char *src, size_t len, |
904 | struct strbuf *dst, enum safe_crlf checksafe); | |
5ecd293d | 905 | extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst); |
6c510bee | 906 | |
b6ec1d61 | 907 | /* add */ |
7ae02a30 AR |
908 | /* |
909 | * return 0 if success, 1 - if addition of a file failed and | |
910 | * ADD_FILES_IGNORE_ERRORS was specified in flags | |
911 | */ | |
912 | int add_files_to_cache(const char *prefix, const char **pathspec, int flags); | |
b6ec1d61 | 913 | |
aecbf914 JH |
914 | /* diff.c */ |
915 | extern int diff_auto_refresh_index; | |
916 | ||
68faf689 JH |
917 | /* match-trees.c */ |
918 | void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); | |
919 | ||
a9cc857a JH |
920 | /* |
921 | * whitespace rules. | |
922 | * used by both diff and apply | |
923 | */ | |
924 | #define WS_TRAILING_SPACE 01 | |
925 | #define WS_SPACE_BEFORE_TAB 02 | |
459fa6d0 | 926 | #define WS_INDENT_WITH_NON_TAB 04 |
b2979ff5 | 927 | #define WS_CR_AT_EOL 010 |
a9cc857a | 928 | #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB) |
cf1b7869 JH |
929 | extern unsigned whitespace_rule_cfg; |
930 | extern unsigned whitespace_rule(const char *); | |
931 | extern unsigned parse_whitespace_rule(const char *); | |
8f8841e9 JH |
932 | extern unsigned ws_check(const char *line, int len, unsigned ws_rule); |
933 | extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws); | |
c1795bb0 | 934 | extern char *whitespace_error_string(unsigned ws); |
fe3403c3 | 935 | extern int ws_fix_copy(char *, const char *, int, unsigned, int *); |
877f23cc | 936 | extern int ws_blank_line(const char *line, int len, unsigned ws_rule); |
a9cc857a | 937 | |
ee425e46 JH |
938 | /* ls-files */ |
939 | int pathspec_match(const char **spec, char *matched, const char *filename, int skiplen); | |
940 | int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset); | |
941 | void overlay_tree_on_cache(const char *tree_name, const char *prefix); | |
942 | ||
94351118 | 943 | char *alias_lookup(const char *alias); |
0989fe96 | 944 | int split_cmdline(char *cmdline, const char ***argv); |
94351118 | 945 | |
e83c5163 | 946 | #endif /* CACHE_H */ |