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Commit | Line | Data |
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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" |
75194438 | 7 | #include "advice.h" |
e83c5163 | 8 | |
cef661fc | 9 | #include SHA1_HEADER |
9126f009 NP |
10 | #ifndef git_SHA_CTX |
11 | #define git_SHA_CTX SHA_CTX | |
12 | #define git_SHA1_Init SHA1_Init | |
13 | #define git_SHA1_Update SHA1_Update | |
14 | #define git_SHA1_Final SHA1_Final | |
15 | #endif | |
e83c5163 | 16 | |
9126f009 | 17 | #include <zlib.h> |
609a2289 | 18 | #if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200 |
9da3acfb ET |
19 | #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) |
20 | #endif | |
21 | ||
39c68542 LT |
22 | void git_inflate_init(z_streamp strm); |
23 | void git_inflate_end(z_streamp strm); | |
24 | int git_inflate(z_streamp strm, int flush); | |
25 | ||
962554c6 | 26 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
27 | #define DTYPE(de) ((de)->d_type) |
28 | #else | |
0bdd79af JH |
29 | #undef DT_UNKNOWN |
30 | #undef DT_DIR | |
31 | #undef DT_REG | |
32 | #undef DT_LNK | |
b6829693 ET |
33 | #define DT_UNKNOWN 0 |
34 | #define DT_DIR 1 | |
35 | #define DT_REG 2 | |
a15c1c60 | 36 | #define DT_LNK 3 |
b6829693 ET |
37 | #define DTYPE(de) DT_UNKNOWN |
38 | #endif | |
39 | ||
40689ae1 MK |
40 | /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ |
41 | #define S_IFINVALID 0030000 | |
42 | ||
9eec4795 LT |
43 | /* |
44 | * A "directory link" is a link to another git directory. | |
45 | * | |
46 | * The value 0160000 is not normally a valid mode, and | |
47 | * also just happens to be S_IFDIR + S_IFLNK | |
48 | * | |
49 | * NOTE! We *really* shouldn't depend on the S_IFxxx macros | |
50 | * always having the same values everywhere. We should use | |
51 | * our internal git values for these things, and then we can | |
52 | * translate that to the OS-specific value. It just so | |
53 | * happens that everybody shares the same bit representation | |
54 | * in the UNIX world (and apparently wider too..) | |
55 | */ | |
302b9282 MW |
56 | #define S_IFGITLINK 0160000 |
57 | #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) | |
9eec4795 | 58 | |
2386d658 LT |
59 | /* |
60 | * Intensive research over the course of many years has shown that | |
61 | * port 9418 is totally unused by anything else. Or | |
62 | * | |
63 | * Your search - "port 9418" - did not match any documents. | |
64 | * | |
65 | * as www.google.com puts it. | |
ba8a4970 LT |
66 | * |
67 | * This port has been properly assigned for git use by IANA: | |
68 | * git (Assigned-9418) [I06-050728-0001]. | |
69 | * | |
70 | * git 9418/tcp git pack transfer service | |
71 | * git 9418/udp git pack transfer service | |
72 | * | |
73 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
74 | * contact. September 2005. | |
75 | * | |
76 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
77 | */ |
78 | #define DEFAULT_GIT_PORT 9418 | |
79 | ||
e83c5163 LT |
80 | /* |
81 | * Basic data structures for the directory cache | |
e83c5163 LT |
82 | */ |
83 | ||
84 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
85 | struct cache_header { | |
ccc4feb5 LT |
86 | unsigned int hdr_signature; |
87 | unsigned int hdr_version; | |
88 | unsigned int hdr_entries; | |
e83c5163 LT |
89 | }; |
90 | ||
91 | /* | |
92 | * The "cache_time" is just the low 32 bits of the | |
93 | * time. It doesn't matter if it overflows - we only | |
94 | * check it for equality in the 32 bits we save. | |
95 | */ | |
96 | struct cache_time { | |
97 | unsigned int sec; | |
98 | unsigned int nsec; | |
99 | }; | |
100 | ||
101 | /* | |
102 | * dev/ino/uid/gid/size are also just tracked to the low 32 bits | |
103 | * Again - this is just a (very strong in practice) heuristic that | |
104 | * the inode hasn't changed. | |
ccc4feb5 LT |
105 | * |
106 | * We save the fields in big-endian order to allow using the | |
107 | * index file over NFS transparently. | |
e83c5163 | 108 | */ |
7a51ed66 LT |
109 | struct ondisk_cache_entry { |
110 | struct cache_time ctime; | |
111 | struct cache_time mtime; | |
112 | unsigned int dev; | |
113 | unsigned int ino; | |
114 | unsigned int mode; | |
115 | unsigned int uid; | |
116 | unsigned int gid; | |
117 | unsigned int size; | |
118 | unsigned char sha1[20]; | |
119 | unsigned short flags; | |
120 | char name[FLEX_ARRAY]; /* more */ | |
121 | }; | |
122 | ||
06aaaa0b NTND |
123 | /* |
124 | * This struct is used when CE_EXTENDED bit is 1 | |
125 | * The struct must match ondisk_cache_entry exactly from | |
126 | * ctime till flags | |
127 | */ | |
128 | struct ondisk_cache_entry_extended { | |
129 | struct cache_time ctime; | |
130 | struct cache_time mtime; | |
131 | unsigned int dev; | |
132 | unsigned int ino; | |
133 | unsigned int mode; | |
134 | unsigned int uid; | |
135 | unsigned int gid; | |
136 | unsigned int size; | |
137 | unsigned char sha1[20]; | |
138 | unsigned short flags; | |
139 | unsigned short flags2; | |
140 | char name[FLEX_ARRAY]; /* more */ | |
141 | }; | |
142 | ||
e83c5163 | 143 | struct cache_entry { |
fba2f38a KB |
144 | struct cache_time ce_ctime; |
145 | struct cache_time ce_mtime; | |
ccc4feb5 LT |
146 | unsigned int ce_dev; |
147 | unsigned int ce_ino; | |
148 | unsigned int ce_mode; | |
149 | unsigned int ce_uid; | |
150 | unsigned int ce_gid; | |
151 | unsigned int ce_size; | |
7a51ed66 | 152 | unsigned int ce_flags; |
e83c5163 | 153 | unsigned char sha1[20]; |
eb7a2f1d | 154 | struct cache_entry *next; |
8f1d2e6f | 155 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
156 | }; |
157 | ||
95fd5bf8 LT |
158 | #define CE_NAMEMASK (0x0fff) |
159 | #define CE_STAGEMASK (0x3000) | |
16ce2e4c | 160 | #define CE_EXTENDED (0x4000) |
5f73076c | 161 | #define CE_VALID (0x8000) |
aee46198 | 162 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 163 | |
06aaaa0b NTND |
164 | /* |
165 | * Range 0xFFFF0000 in ce_flags is divided into | |
166 | * two parts: in-memory flags and on-disk ones. | |
167 | * Flags in CE_EXTENDED_FLAGS will get saved on-disk | |
168 | * if you want to save a new flag, add it in | |
169 | * CE_EXTENDED_FLAGS | |
170 | * | |
171 | * In-memory only flags | |
172 | */ | |
7a51ed66 LT |
173 | #define CE_UPDATE (0x10000) |
174 | #define CE_REMOVE (0x20000) | |
eadb5831 | 175 | #define CE_UPTODATE (0x40000) |
1102952b | 176 | #define CE_ADDED (0x80000) |
a22c6371 LT |
177 | |
178 | #define CE_HASHED (0x100000) | |
179 | #define CE_UNHASHED (0x200000) | |
7a51ed66 | 180 | |
06aaaa0b NTND |
181 | /* |
182 | * Extended on-disk flags | |
183 | */ | |
388b2acd | 184 | #define CE_INTENT_TO_ADD 0x20000000 |
06aaaa0b NTND |
185 | /* CE_EXTENDED2 is for future extension */ |
186 | #define CE_EXTENDED2 0x80000000 | |
187 | ||
388b2acd | 188 | #define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD) |
06aaaa0b NTND |
189 | |
190 | /* | |
191 | * Safeguard to avoid saving wrong flags: | |
192 | * - CE_EXTENDED2 won't get saved until its semantic is known | |
193 | * - Bits in 0x0000FFFF have been saved in ce_flags already | |
194 | * - Bits in 0x003F0000 are currently in-memory flags | |
195 | */ | |
196 | #if CE_EXTENDED_FLAGS & 0x803FFFFF | |
197 | #error "CE_EXTENDED_FLAGS out of range" | |
198 | #endif | |
199 | ||
eb7a2f1d LT |
200 | /* |
201 | * Copy the sha1 and stat state of a cache entry from one to | |
202 | * another. But we never change the name, or the hash state! | |
203 | */ | |
204 | #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED) | |
205 | static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src) | |
206 | { | |
207 | unsigned int state = dst->ce_flags & CE_STATE_MASK; | |
208 | ||
209 | /* Don't copy hash chain and name */ | |
210 | memcpy(dst, src, offsetof(struct cache_entry, next)); | |
211 | ||
212 | /* Restore the hash state */ | |
213 | dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state; | |
214 | } | |
215 | ||
7fec10b7 JH |
216 | static inline unsigned create_ce_flags(size_t len, unsigned stage) |
217 | { | |
218 | if (len >= CE_NAMEMASK) | |
219 | len = CE_NAMEMASK; | |
220 | return (len | (stage << CE_STAGESHIFT)); | |
221 | } | |
222 | ||
223 | static inline size_t ce_namelen(const struct cache_entry *ce) | |
224 | { | |
225 | size_t len = ce->ce_flags & CE_NAMEMASK; | |
226 | if (len < CE_NAMEMASK) | |
227 | return len; | |
228 | return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK; | |
229 | } | |
230 | ||
aee46198 | 231 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) |
06aaaa0b NTND |
232 | #define ondisk_ce_size(ce) (((ce)->ce_flags & CE_EXTENDED) ? \ |
233 | ondisk_cache_entry_extended_size(ce_namelen(ce)) : \ | |
234 | ondisk_cache_entry_size(ce_namelen(ce))) | |
7a51ed66 | 235 | #define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT) |
eadb5831 JH |
236 | #define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE) |
237 | #define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE) | |
aee46198 | 238 | |
e4479470 | 239 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
240 | static inline unsigned int create_ce_mode(unsigned int mode) |
241 | { | |
8ae0a8c5 | 242 | if (S_ISLNK(mode)) |
7a51ed66 | 243 | return S_IFLNK; |
302b9282 | 244 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
7a51ed66 LT |
245 | return S_IFGITLINK; |
246 | return S_IFREG | ce_permissions(mode); | |
8ae0a8c5 | 247 | } |
185c975f JH |
248 | static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode) |
249 | { | |
78a8d641 JS |
250 | extern int trust_executable_bit, has_symlinks; |
251 | if (!has_symlinks && S_ISREG(mode) && | |
7a51ed66 | 252 | ce && S_ISLNK(ce->ce_mode)) |
78a8d641 | 253 | return ce->ce_mode; |
185c975f | 254 | if (!trust_executable_bit && S_ISREG(mode)) { |
7a51ed66 | 255 | if (ce && S_ISREG(ce->ce_mode)) |
185c975f JH |
256 | return ce->ce_mode; |
257 | return create_ce_mode(0666); | |
258 | } | |
259 | return create_ce_mode(mode); | |
260 | } | |
d6b8fc30 JH |
261 | static inline int ce_to_dtype(const struct cache_entry *ce) |
262 | { | |
263 | unsigned ce_mode = ntohl(ce->ce_mode); | |
264 | if (S_ISREG(ce_mode)) | |
265 | return DT_REG; | |
266 | else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode)) | |
267 | return DT_DIR; | |
268 | else if (S_ISLNK(ce_mode)) | |
269 | return DT_LNK; | |
270 | else | |
271 | return DT_UNKNOWN; | |
272 | } | |
1b0c7174 JH |
273 | #define canon_mode(mode) \ |
274 | (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ | |
302b9282 | 275 | S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK) |
e4479470 | 276 | |
06aaaa0b NTND |
277 | #define flexible_size(STRUCT,len) ((offsetof(struct STRUCT,name) + (len) + 8) & ~7) |
278 | #define cache_entry_size(len) flexible_size(cache_entry,len) | |
279 | #define ondisk_cache_entry_size(len) flexible_size(ondisk_cache_entry,len) | |
280 | #define ondisk_cache_entry_extended_size(len) flexible_size(ondisk_cache_entry_extended,len) | |
f5cabd13 | 281 | |
228e94f9 JH |
282 | struct index_state { |
283 | struct cache_entry **cache; | |
284 | unsigned int cache_nr, cache_alloc, cache_changed; | |
285 | struct cache_tree *cache_tree; | |
fba2f38a | 286 | struct cache_time timestamp; |
7a51ed66 | 287 | void *alloc; |
913e0e99 JH |
288 | unsigned name_hash_initialized : 1, |
289 | initialized : 1; | |
cf558704 | 290 | struct hash_table name_hash; |
228e94f9 JH |
291 | }; |
292 | ||
293 | extern struct index_state the_index; | |
294 | ||
96872bc2 LT |
295 | /* Name hashing */ |
296 | extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); | |
297 | /* | |
298 | * We don't actually *remove* it, we can just mark it invalid so that | |
299 | * we won't find it in lookups. | |
300 | * | |
301 | * Not only would we have to search the lists (simple enough), but | |
302 | * we'd also have to rehash other hash buckets in case this makes the | |
303 | * hash bucket empty (common). So it's much better to just mark | |
304 | * it. | |
305 | */ | |
306 | static inline void remove_name_hash(struct cache_entry *ce) | |
307 | { | |
308 | ce->ce_flags |= CE_UNHASHED; | |
309 | } | |
310 | ||
311 | ||
4aab5b46 | 312 | #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS |
228e94f9 JH |
313 | #define active_cache (the_index.cache) |
314 | #define active_nr (the_index.cache_nr) | |
315 | #define active_alloc (the_index.cache_alloc) | |
316 | #define active_cache_changed (the_index.cache_changed) | |
317 | #define active_cache_tree (the_index.cache_tree) | |
e83c5163 | 318 | |
4aab5b46 JH |
319 | #define read_cache() read_index(&the_index) |
320 | #define read_cache_from(path) read_index_from(&the_index, (path)) | |
671c9b7e | 321 | #define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec)) |
fa7b3c2f | 322 | #define is_cache_unborn() is_index_unborn(&the_index) |
e46bbcf6 | 323 | #define read_cache_unmerged() read_index_unmerged(&the_index) |
4aab5b46 JH |
324 | #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd)) |
325 | #define discard_cache() discard_index(&the_index) | |
94a5728c | 326 | #define unmerged_cache() unmerged_index(&the_index) |
4aab5b46 JH |
327 | #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen)) |
328 | #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) | |
81dc2307 | 329 | #define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name)) |
4aab5b46 JH |
330 | #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) |
331 | #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) | |
38ed1d89 JH |
332 | #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags)) |
333 | #define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) | |
3deffc52 | 334 | #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL) |
4bd5b7da JH |
335 | #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) |
336 | #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) | |
cd2fef59 | 337 | #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) |
98fa4738 | 338 | #define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) |
4aab5b46 | 339 | #endif |
e83c5163 | 340 | |
edaec3fb JH |
341 | enum object_type { |
342 | OBJ_BAD = -1, | |
343 | OBJ_NONE = 0, | |
344 | OBJ_COMMIT = 1, | |
345 | OBJ_TREE = 2, | |
346 | OBJ_BLOB = 3, | |
347 | OBJ_TAG = 4, | |
348 | /* 5 for future expansion */ | |
349 | OBJ_OFS_DELTA = 6, | |
350 | OBJ_REF_DELTA = 7, | |
355885d5 | 351 | OBJ_ANY, |
edaec3fb JH |
352 | OBJ_MAX, |
353 | }; | |
354 | ||
b45563a2 JH |
355 | static inline enum object_type object_type(unsigned int mode) |
356 | { | |
357 | return S_ISDIR(mode) ? OBJ_TREE : | |
358 | S_ISGITLINK(mode) ? OBJ_COMMIT : | |
359 | OBJ_BLOB; | |
360 | } | |
361 | ||
8ac069ac | 362 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
892c41b9 | 363 | #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" |
8ac069ac | 364 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" |
d19938ab | 365 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 366 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 367 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
d4ebc36c JH |
368 | #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" |
369 | #define CONFIG_ENVIRONMENT "GIT_CONFIG" | |
d4ebc36c | 370 | #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" |
0454dd93 | 371 | #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" |
6476b38b | 372 | #define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS" |
d0bfd026 JH |
373 | #define GITATTRIBUTES_FILE ".gitattributes" |
374 | #define INFOATTRIBUTES_FILE "info/attributes" | |
f48fd688 | 375 | #define ATTRIBUTE_MACRO_PREFIX "[attr]" |
a97a7468 JS |
376 | #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF" |
377 | #define GIT_NOTES_DEFAULT_REF "refs/notes/commits" | |
bb233d69 | 378 | |
7d1864ce JH |
379 | extern int is_bare_repository_cfg; |
380 | extern int is_bare_repository(void); | |
68025633 | 381 | extern int is_inside_git_dir(void); |
e90fdc39 | 382 | extern char *git_work_tree_cfg; |
892c41b9 | 383 | extern int is_inside_work_tree(void); |
d2b0708e | 384 | extern int have_git_dir(void); |
c5fba16c | 385 | extern const char *get_git_dir(void); |
8ac069ac JH |
386 | extern char *get_object_directory(void); |
387 | extern char *get_index_file(void); | |
5da5c8f4 | 388 | extern char *get_graft_file(void); |
d7ac12b2 | 389 | extern int set_git_dir(const char *path); |
e90fdc39 | 390 | extern const char *get_git_work_tree(void); |
b44ebb19 | 391 | extern const char *read_gitfile_gently(const char *path); |
19757d80 | 392 | extern void set_git_work_tree(const char *tree); |
8ac069ac JH |
393 | |
394 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 395 | |
6b5ee137 | 396 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
59f0f2f3 | 397 | extern void setup_work_tree(void); |
4ca06608 | 398 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 399 | extern const char *setup_git_directory(void); |
6b5ee137 | 400 | extern const char *prefix_path(const char *prefix, int len, const char *path); |
4ca06608 | 401 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
c6e8c800 | 402 | extern int check_filename(const char *prefix, const char *name); |
e23d0b4a | 403 | extern void verify_filename(const char *prefix, const char *name); |
ea92f41f | 404 | extern void verify_non_filename(const char *prefix, const char *name); |
d288a700 | 405 | |
f225aeb2 DB |
406 | #define INIT_DB_QUIET 0x0001 |
407 | ||
408 | extern int init_db(const char *template_dir, unsigned int flags); | |
409 | ||
e83c5163 LT |
410 | #define alloc_nr(x) (((x)+16)*3/2) |
411 | ||
6815e569 JK |
412 | /* |
413 | * Realloc the buffer pointed at by variable 'x' so that it can hold | |
414 | * at least 'nr' entries; the number of entries currently allocated | |
415 | * is 'alloc', using the standard growing factor alloc_nr() macro. | |
416 | * | |
417 | * DO NOT USE any expression with side-effect for 'x' or 'alloc'. | |
418 | */ | |
419 | #define ALLOC_GROW(x, nr, alloc) \ | |
420 | do { \ | |
c927e6c6 | 421 | if ((nr) > alloc) { \ |
4234a761 JH |
422 | if (alloc_nr(alloc) < (nr)) \ |
423 | alloc = (nr); \ | |
424 | else \ | |
425 | alloc = alloc_nr(alloc); \ | |
6815e569 JK |
426 | x = xrealloc((x), alloc * sizeof(*(x))); \ |
427 | } \ | |
428 | } while(0) | |
429 | ||
734aab75 | 430 | /* Initialize and use the cache information */ |
4aab5b46 | 431 | extern int read_index(struct index_state *); |
671c9b7e | 432 | extern int read_index_preload(struct index_state *, const char **pathspec); |
4aab5b46 | 433 | extern int read_index_from(struct index_state *, const char *path); |
fa7b3c2f | 434 | extern int is_index_unborn(struct index_state *); |
e46bbcf6 | 435 | extern int read_index_unmerged(struct index_state *); |
e1afca4f | 436 | extern int write_index(struct index_state *, int newfd); |
4aab5b46 | 437 | extern int discard_index(struct index_state *); |
d1f128b0 | 438 | extern int unmerged_index(const struct index_state *); |
8dcf39c4 | 439 | extern int verify_path(const char *path); |
cd2fef59 | 440 | extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase); |
d1f128b0 | 441 | extern int index_name_pos(const struct index_state *, const char *name, int namelen); |
192268c1 JH |
442 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
443 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 444 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
af3785dc | 445 | #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ |
39425819 | 446 | #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ |
4aab5b46 | 447 | extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); |
8fd2cb40 | 448 | extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); |
81dc2307 | 449 | extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); |
4aab5b46 | 450 | extern int remove_index_entry_at(struct index_state *, int pos); |
36419c8e | 451 | extern void remove_marked_cache_entries(struct index_state *istate); |
4aab5b46 | 452 | extern int remove_file_from_index(struct index_state *, const char *path); |
38ed1d89 JH |
453 | #define ADD_CACHE_VERBOSE 1 |
454 | #define ADD_CACHE_PRETEND 2 | |
01665924 | 455 | #define ADD_CACHE_IGNORE_ERRORS 4 |
041aee31 | 456 | #define ADD_CACHE_IGNORE_REMOVAL 8 |
39425819 | 457 | #define ADD_CACHE_INTENT 16 |
38ed1d89 JH |
458 | extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); |
459 | extern int add_file_to_index(struct index_state *, const char *path, int flags); | |
6640f881 | 460 | extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); |
dbbce55b | 461 | extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); |
98fa4738 | 462 | extern int index_name_is_other(const struct index_state *, const char *, int); |
4bd5b7da JH |
463 | |
464 | /* do stat comparison even if CE_VALID is true */ | |
465 | #define CE_MATCH_IGNORE_VALID 01 | |
466 | /* do not check the contents but report dirty on racily-clean entries */ | |
467 | #define CE_MATCH_RACY_IS_DIRTY 02 | |
d1f128b0 LT |
468 | extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); |
469 | extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); | |
4bd5b7da | 470 | |
c0fd1f51 | 471 | extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); |
53bca91a | 472 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path); |
ec1fcc16 | 473 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); |
415e96c8 JH |
474 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
475 | ||
b6986d8a | 476 | /* "careful lstat()" */ |
da02ca50 | 477 | extern int check_path(const char *path, int len, struct stat *st, int skiplen); |
b6986d8a | 478 | |
405e5b2f LT |
479 | #define REFRESH_REALLY 0x0001 /* ignore_valid */ |
480 | #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ | |
481 | #define REFRESH_QUIET 0x0004 /* be quiet about it */ | |
482 | #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ | |
3f1b7b60 | 483 | #define REFRESH_IGNORE_SUBMODULES 0x0010 /* ignore submodules */ |
43673fdd | 484 | #define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */ |
3deffc52 | 485 | extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen, char *header_msg); |
405e5b2f | 486 | |
021b6e45 JH |
487 | struct lock_file { |
488 | struct lock_file *next; | |
4723ee99 | 489 | int fd; |
5e635e39 | 490 | pid_t owner; |
1084b845 | 491 | char on_list; |
021b6e45 | 492 | char filename[PATH_MAX]; |
415e96c8 | 493 | }; |
acd3b9ec JH |
494 | #define LOCK_DIE_ON_ERROR 1 |
495 | #define LOCK_NODEREF 2 | |
1b018fd9 | 496 | extern int unable_to_lock_error(const char *path, int err); |
e43a6fd3 | 497 | extern NORETURN void unable_to_lock_index_die(const char *path, int err); |
40aaae88 | 498 | extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); |
ea3cd5c7 | 499 | extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); |
021b6e45 | 500 | extern int commit_lock_file(struct lock_file *); |
30ca07a2 JH |
501 | |
502 | extern int hold_locked_index(struct lock_file *, int); | |
503 | extern int commit_locked_index(struct lock_file *); | |
5e7f56ac | 504 | extern void set_alternate_index_output(const char *); |
d6cf61bf | 505 | extern int close_lock_file(struct lock_file *); |
021b6e45 | 506 | extern void rollback_lock_file(struct lock_file *); |
eca35a25 | 507 | extern int delete_ref(const char *, const unsigned char *sha1, int delopt); |
734aab75 | 508 | |
2ae1c53b | 509 | /* Environment bits from configuration mechanism */ |
17712991 | 510 | extern int trust_executable_bit; |
1ce4790b | 511 | extern int trust_ctime; |
9378c161 | 512 | extern int quote_path_fully; |
78a8d641 | 513 | extern int has_symlinks; |
0a9b88b7 | 514 | extern int ignore_case; |
5f73076c | 515 | extern int assume_unchanged; |
9f0bb90d | 516 | extern int prefer_symlink_refs; |
6de08ae6 | 517 | extern int log_all_ref_updates; |
2f8acdb3 | 518 | extern int warn_ambiguous_refs; |
457f06d6 | 519 | extern int shared_repository; |
2ae1c53b | 520 | extern const char *apply_default_whitespace; |
86c91f91 | 521 | extern const char *apply_default_ignorewhitespace; |
12f6c308 | 522 | extern int zlib_compression_level; |
960ccca6 DH |
523 | extern int core_compression_level; |
524 | extern int core_compression_seen; | |
60bb8b14 | 525 | extern size_t packed_git_window_size; |
77ccc5bb | 526 | extern size_t packed_git_limit; |
18bdec11 | 527 | extern size_t delta_base_cache_limit; |
6c510bee | 528 | extern int auto_crlf; |
dae556bd | 529 | extern int read_replace_refs; |
aafe9fba | 530 | extern int fsync_object_files; |
671c9b7e | 531 | extern int core_preload_index; |
17712991 | 532 | |
21e5ad50 SP |
533 | enum safe_crlf { |
534 | SAFE_CRLF_FALSE = 0, | |
535 | SAFE_CRLF_FAIL = 1, | |
536 | SAFE_CRLF_WARN = 2, | |
537 | }; | |
538 | ||
539 | extern enum safe_crlf safe_crlf; | |
540 | ||
9ed36cfa | 541 | enum branch_track { |
9188ed89 | 542 | BRANCH_TRACK_UNSPECIFIED = -1, |
9ed36cfa JS |
543 | BRANCH_TRACK_NEVER = 0, |
544 | BRANCH_TRACK_REMOTE, | |
545 | BRANCH_TRACK_ALWAYS, | |
546 | BRANCH_TRACK_EXPLICIT, | |
547 | }; | |
548 | ||
c998ae9b DS |
549 | enum rebase_setup_type { |
550 | AUTOREBASE_NEVER = 0, | |
551 | AUTOREBASE_LOCAL, | |
552 | AUTOREBASE_REMOTE, | |
553 | AUTOREBASE_ALWAYS, | |
554 | }; | |
555 | ||
52153747 | 556 | enum push_default_type { |
52153747 FAG |
557 | PUSH_DEFAULT_NOTHING = 0, |
558 | PUSH_DEFAULT_MATCHING, | |
559 | PUSH_DEFAULT_TRACKING, | |
560 | PUSH_DEFAULT_CURRENT, | |
561 | }; | |
562 | ||
9ed36cfa | 563 | extern enum branch_track git_branch_track; |
c998ae9b | 564 | extern enum rebase_setup_type autorebase; |
52153747 | 565 | extern enum push_default_type push_default; |
9ed36cfa | 566 | |
348df166 JS |
567 | enum object_creation_mode { |
568 | OBJECT_CREATION_USES_HARDLINKS = 0, | |
569 | OBJECT_CREATION_USES_RENAMES = 1, | |
570 | }; | |
571 | ||
572 | extern enum object_creation_mode object_creation_mode; | |
be66a6c4 | 573 | |
a97a7468 JS |
574 | extern char *notes_ref_name; |
575 | ||
7f3140cd JS |
576 | extern int grafts_replace_parents; |
577 | ||
ab9cb76f JH |
578 | #define GIT_REPO_VERSION 0 |
579 | extern int repository_format_version; | |
580 | extern int check_repository_format(void); | |
581 | ||
734aab75 LT |
582 | #define MTIME_CHANGED 0x0001 |
583 | #define CTIME_CHANGED 0x0002 | |
584 | #define OWNER_CHANGED 0x0004 | |
585 | #define MODE_CHANGED 0x0008 | |
586 | #define INODE_CHANGED 0x0010 | |
587 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 588 | #define TYPE_CHANGED 0x0040 |
e83c5163 | 589 | |
108bebea AR |
590 | extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) |
591 | __attribute__((format (printf, 3, 4))); | |
fe2d7776 AR |
592 | extern char *git_snpath(char *buf, size_t n, const char *fmt, ...) |
593 | __attribute__((format (printf, 3, 4))); | |
aba13e7c AR |
594 | extern char *git_pathdup(const char *fmt, ...) |
595 | __attribute__((format (printf, 1, 2))); | |
108bebea | 596 | |
e83c5163 | 597 | /* Return a statically allocated filename matching the sha1 signature */ |
4ec99bf0 TS |
598 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
599 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
73134b6d | 600 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
601 | extern char *sha1_pack_name(const unsigned char *sha1); |
602 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 603 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 604 | extern const unsigned char null_sha1[20]; |
0bef57ee DR |
605 | static inline int is_null_sha1(const unsigned char *sha1) |
606 | { | |
607 | return !memcmp(sha1, null_sha1, 20); | |
608 | } | |
a89fccd2 DR |
609 | static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) |
610 | { | |
611 | return memcmp(sha1, sha2, 20); | |
612 | } | |
e702496e SP |
613 | static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) |
614 | { | |
615 | memcpy(sha_dst, sha_src, 20); | |
616 | } | |
a8e0d16d JH |
617 | static inline void hashclr(unsigned char *hash) |
618 | { | |
619 | memset(hash, 0, 20); | |
620 | } | |
f55527f8 | 621 | extern int is_empty_blob_sha1(const unsigned char *sha1); |
e83c5163 | 622 | |
14d9c578 JK |
623 | #define EMPTY_TREE_SHA1_HEX \ |
624 | "4b825dc642cb6eb9a060e54bf8d69288fbee4904" | |
625 | #define EMPTY_TREE_SHA1_BIN \ | |
626 | "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ | |
627 | "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" | |
628 | ||
f2db68ed HE |
629 | int git_mkstemp(char *path, size_t n, const char *template); |
630 | ||
003b33a8 DA |
631 | int git_mkstemps(char *path, size_t n, const char *template, int suffix_len); |
632 | ||
06cbe855 HO |
633 | /* |
634 | * NOTE NOTE NOTE!! | |
635 | * | |
636 | * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must | |
637 | * not be changed. Old repositories have core.sharedrepository written in | |
638 | * numeric format, and therefore these values are preserved for compatibility | |
639 | * reasons. | |
640 | */ | |
94df2506 | 641 | enum sharedrepo { |
06cbe855 HO |
642 | PERM_UMASK = 0, |
643 | OLD_PERM_GROUP = 1, | |
644 | OLD_PERM_EVERYBODY = 2, | |
645 | PERM_GROUP = 0660, | |
646 | PERM_EVERYBODY = 0664, | |
94df2506 JH |
647 | }; |
648 | int git_config_perm(const char *var, const char *value); | |
17e61b82 JH |
649 | int set_shared_perm(const char *path, int mode); |
650 | #define adjust_shared_perm(path) set_shared_perm((path), 0) | |
b2cb9425 | 651 | int safe_create_leading_directories(char *path); |
8e21d63b | 652 | int safe_create_leading_directories_const(const char *path); |
395de250 | 653 | extern char *expand_user_path(const char *path); |
bd22c904 | 654 | char *enter_repo(char *path, int strict); |
e5392c51 JS |
655 | static inline int is_absolute_path(const char *path) |
656 | { | |
25fe217b | 657 | return path[0] == '/' || has_dos_drive_prefix(path); |
e5392c51 | 658 | } |
90b4a71c | 659 | int is_directory(const char *); |
e5392c51 | 660 | const char *make_absolute_path(const char *path); |
1b9a9467 | 661 | const char *make_nonrelative_path(const char *path); |
044bbbcb | 662 | const char *make_relative_path(const char *abs, const char *base); |
f3cad0ad | 663 | int normalize_path_copy(char *dst, const char *src); |
0454dd93 | 664 | int longest_ancestor_length(const char *path, const char *prefix_list); |
4fcc86b0 | 665 | char *strip_path_suffix(const char *path, const char *suffix); |
34b6cb8b | 666 | int daemon_avoid_alias(const char *path); |
b2cb9425 | 667 | |
e83c5163 | 668 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
21666f1a | 669 | extern int sha1_object_info(const unsigned char *, unsigned long *); |
f5552aee CC |
670 | extern void *read_sha1_file_repl(const unsigned char *sha1, enum object_type *type, unsigned long *size, const unsigned char **replacement); |
671 | static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) | |
672 | { | |
673 | return read_sha1_file_repl(sha1, type, size, NULL); | |
674 | } | |
ce9fbf16 | 675 | extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); |
bf0f910d | 676 | extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
21666f1a | 677 | extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); |
bbac7311 | 678 | extern int force_object_loose(const unsigned char *sha1, time_t mtime); |
8237b185 | 679 | |
0e8189e2 NP |
680 | /* global flag to enable extra checks when accessing packed objects */ |
681 | extern int do_check_packed_object_crc; | |
682 | ||
5d6ccf5c | 683 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 684 | |
839837b9 | 685 | extern int move_temp_to_file(const char *tmpfile, const char *filename); |
8237b185 | 686 | |
cd673c1f | 687 | extern int has_sha1_pack(const unsigned char *sha1); |
8237b185 | 688 | extern int has_sha1_file(const unsigned char *sha1); |
0f4dc14a | 689 | extern int has_loose_object_nonlocal(const unsigned char *sha1); |
8237b185 | 690 | |
bf592c50 DB |
691 | extern int has_pack_file(const unsigned char *sha1); |
692 | extern int has_pack_index(const unsigned char *sha1); | |
693 | ||
192a6be2 LT |
694 | extern const signed char hexval_table[256]; |
695 | static inline unsigned int hexval(unsigned char c) | |
e49521b5 JH |
696 | { |
697 | return hexval_table[c]; | |
698 | } | |
699 | ||
e83c5163 | 700 | /* Convert to/from hex/sha1 representation */ |
46a6c262 JH |
701 | #define MINIMUM_ABBREV 4 |
702 | #define DEFAULT_ABBREV 7 | |
703 | ||
3c249c95 | 704 | extern int get_sha1(const char *str, unsigned char *sha1); |
a0cd87a5 | 705 | extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode); |
197ee8c9 LT |
706 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
707 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ | |
ca8db142 | 708 | extern int read_ref(const char *filename, unsigned char *sha1); |
8da19775 | 709 | extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *); |
e86eb666 | 710 | extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); |
eb3a4822 | 711 | extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); |
431b1969 | 712 | extern int interpret_branch_name(const char *str, struct strbuf *); |
e86eb666 | 713 | |
79803322 SP |
714 | extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); |
715 | extern const char *ref_rev_parse_rules[]; | |
605b4978 | 716 | extern const char *ref_fetch_rules[]; |
79803322 | 717 | |
8b5157e4 | 718 | extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg); |
c847f537 | 719 | extern int validate_headref(const char *ref); |
e83c5163 | 720 | |
958ba6c9 | 721 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
0ab9e1e8 | 722 | extern int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 723 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
e83c5163 | 724 | |
40469ee9 | 725 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 726 | const char *required_type, |
40469ee9 JH |
727 | unsigned long *size, |
728 | unsigned char *sha1_ret); | |
f4913f91 | 729 | |
81776315 JH |
730 | extern struct object *peel_to_type(const char *name, int namelen, |
731 | struct object *o, enum object_type); | |
732 | ||
73013afd JH |
733 | enum date_mode { |
734 | DATE_NORMAL = 0, | |
735 | DATE_RELATIVE, | |
736 | DATE_SHORT, | |
737 | DATE_LOCAL, | |
738 | DATE_ISO8601, | |
7dff9b30 LT |
739 | DATE_RFC2822, |
740 | DATE_RAW | |
73013afd JH |
741 | }; |
742 | ||
f8493ec0 | 743 | const char *show_date(unsigned long time, int timezone, enum date_mode mode); |
33012fc4 AR |
744 | const char *show_date_relative(unsigned long time, int tz, |
745 | const struct timeval *now, | |
746 | char *timebuf, | |
747 | size_t timebuf_size); | |
2a39064c | 748 | int parse_date(const char *date, char *buf, int bufsize); |
ecee9d9e | 749 | void datestamp(char *buf, int bufsize); |
3c07b1d1 | 750 | unsigned long approxidate(const char *); |
33012fc4 | 751 | unsigned long approxidate_relative(const char *date, const struct timeval *now); |
856665f8 | 752 | enum date_mode parse_date_format(const char *format); |
ecee9d9e | 753 | |
774751a8 JH |
754 | #define IDENT_WARN_ON_NO_NAME 1 |
755 | #define IDENT_ERROR_ON_NO_NAME 2 | |
756 | #define IDENT_NO_DATE 4 | |
749be728 JH |
757 | extern const char *git_author_info(int); |
758 | extern const char *git_committer_info(int); | |
798123af | 759 | extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); |
d9ccfe77 | 760 | extern const char *fmt_name(const char *name, const char *email); |
44fcb497 | 761 | extern const char *git_editor(void); |
63618245 | 762 | extern const char *git_pager(void); |
6aa33f40 | 763 | |
12dccc16 LT |
764 | struct checkout { |
765 | const char *base_dir; | |
766 | int base_dir_len; | |
767 | unsigned force:1, | |
768 | quiet:1, | |
769 | not_new:1, | |
770 | refresh_cache:1; | |
771 | }; | |
772 | ||
efbc5831 | 773 | extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); |
b9fd2846 LT |
774 | |
775 | struct cache_def { | |
776 | char path[PATH_MAX + 1]; | |
777 | int len; | |
778 | int flags; | |
779 | int track_flags; | |
780 | int prefix_len_stat_func; | |
781 | }; | |
782 | ||
57199892 | 783 | extern int has_symlink_leading_path(const char *name, int len); |
b9fd2846 | 784 | extern int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); |
57199892 KB |
785 | extern int has_symlink_or_noent_leading_path(const char *name, int len); |
786 | extern int has_dirs_only_path(const char *name, int len, int prefix_len); | |
787 | extern void invalidate_lstat_cache(const char *name, int len); | |
bda6eb0d | 788 | extern void clear_lstat_cache(void); |
78478927 KB |
789 | extern void schedule_dir_for_removal(const char *name, int len); |
790 | extern void remove_scheduled_dirs(void); | |
12dccc16 | 791 | |
9a217f2a | 792 | extern struct alternate_object_database { |
d5a63b99 | 793 | struct alternate_object_database *next; |
9a217f2a | 794 | char *name; |
8f1d2e6f | 795 | char base[FLEX_ARRAY]; /* more */ |
d5a63b99 | 796 | } *alt_odb_list; |
9a217f2a | 797 | extern void prepare_alt_odb(void); |
bef70b22 | 798 | extern void add_to_alternates_file(const char *reference); |
d79796bc JH |
799 | typedef int alt_odb_fn(struct alternate_object_database *, void *); |
800 | extern void foreach_alt_odb(alt_odb_fn, void*); | |
9a217f2a | 801 | |
c41ee586 SP |
802 | struct pack_window { |
803 | struct pack_window *next; | |
804 | unsigned char *base; | |
805 | off_t offset; | |
806 | size_t len; | |
807 | unsigned int last_used; | |
808 | unsigned int inuse_cnt; | |
809 | }; | |
810 | ||
9a217f2a JH |
811 | extern struct packed_git { |
812 | struct packed_git *next; | |
c41ee586 | 813 | struct pack_window *windows; |
2dc3a234 | 814 | off_t pack_size; |
57059091 NP |
815 | const void *index_data; |
816 | size_t index_size; | |
817 | uint32_t num_objects; | |
8eca0b47 NP |
818 | uint32_t num_bad_objects; |
819 | unsigned char *bad_object_sha1; | |
42873078 | 820 | int index_version; |
57059091 | 821 | time_t mtime; |
9bc879c1 | 822 | int pack_fd; |
8d25931d BC |
823 | unsigned pack_local:1, |
824 | pack_keep:1; | |
bf592c50 | 825 | unsigned char sha1[20]; |
8f1d2e6f JH |
826 | /* something like ".git/objects/pack/xxxxx.pack" */ |
827 | char pack_name[FLEX_ARRAY]; /* more */ | |
9a217f2a | 828 | } *packed_git; |
f3bf9224 JH |
829 | |
830 | struct pack_entry { | |
c4001d92 | 831 | off_t offset; |
f3bf9224 JH |
832 | unsigned char sha1[20]; |
833 | struct packed_git *p; | |
834 | }; | |
835 | ||
d1c133f5 LT |
836 | struct ref { |
837 | struct ref *next; | |
838 | unsigned char old_sha1[20]; | |
839 | unsigned char new_sha1[20]; | |
be885d96 | 840 | char *symref; |
9f8a15c7 SP |
841 | unsigned int force:1, |
842 | merge:1, | |
843 | nonfastforward:1, | |
844 | deletion:1; | |
8736a848 JK |
845 | enum { |
846 | REF_STATUS_NONE = 0, | |
847 | REF_STATUS_OK, | |
848 | REF_STATUS_REJECT_NONFASTFORWARD, | |
849 | REF_STATUS_REJECT_NODELETE, | |
850 | REF_STATUS_UPTODATE, | |
ca74c458 | 851 | REF_STATUS_REMOTE_REJECT, |
2a0fe89a | 852 | REF_STATUS_EXPECTING_REPORT, |
8736a848 | 853 | } status; |
2a0fe89a | 854 | char *remote_status; |
f88395ac | 855 | struct ref *peer_ref; /* when renaming */ |
8f1d2e6f | 856 | char name[FLEX_ARRAY]; /* more */ |
d1c133f5 LT |
857 | }; |
858 | ||
2718ff09 LT |
859 | #define REF_NORMAL (1u << 0) |
860 | #define REF_HEADS (1u << 1) | |
861 | #define REF_TAGS (1u << 2) | |
862 | ||
5483f799 | 863 | extern struct ref *find_ref_by_name(const struct ref *list, const char *name); |
cda69f48 | 864 | |
7841ce79 | 865 | #define CONNECT_VERBOSE (1u << 0) |
4577370e | 866 | extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags); |
98158e9c | 867 | extern int finish_connect(struct child_process *conn); |
013e7c7f | 868 | extern int path_match(const char *path, int nr, char **match); |
40c155ff JH |
869 | struct extra_have_objects { |
870 | int nr, alloc; | |
871 | unsigned char (*array)[20]; | |
872 | }; | |
873 | extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *); | |
211b5f9e | 874 | extern int server_supports(const char *feature); |
f7192598 | 875 | |
bf592c50 DB |
876 | extern struct packed_git *parse_pack_index(unsigned char *sha1); |
877 | ||
9a217f2a | 878 | extern void prepare_packed_git(void); |
fc04c412 | 879 | extern void reprepare_packed_git(void); |
bf592c50 DB |
880 | extern void install_packed_git(struct packed_git *pack); |
881 | ||
a6080a0a | 882 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, |
bf592c50 DB |
883 | struct packed_git *packs); |
884 | ||
276bc2ca | 885 | extern void pack_report(void); |
d079837e | 886 | extern int open_pack_index(struct packed_git *); |
4b25d091 | 887 | extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); |
c9ced051 | 888 | extern void close_pack_windows(struct packed_git *); |
03e79c88 | 889 | extern void unuse_pack(struct pack_window **); |
c74faea1 | 890 | extern void free_pack_by_name(const char *); |
3d20c636 | 891 | extern void clear_delta_base_cache(void); |
42873078 | 892 | extern struct packed_git *add_packed_git(const char *, int, int); |
d079837e | 893 | extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); |
99093238 | 894 | extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); |
c4001d92 SP |
895 | extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); |
896 | extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); | |
09ded04b | 897 | extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); |
54dab52a | 898 | extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); |
c4001d92 | 899 | extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *); |
9a217f2a | 900 | |
8f3f9b09 JH |
901 | /* Dumb servers support */ |
902 | extern int update_server_info(int); | |
903 | ||
ef90d6d4 JS |
904 | typedef int (*config_fn_t)(const char *, const char *, void *); |
905 | extern int git_default_config(const char *, const char *, void *); | |
906 | extern int git_config_from_file(config_fn_t fn, const char *, void *); | |
907 | extern int git_config(config_fn_t fn, void *); | |
0b87b6e0 | 908 | extern int git_parse_ulong(const char *, unsigned long *); |
17712991 | 909 | extern int git_config_int(const char *, const char *); |
0b87b6e0 | 910 | extern unsigned long git_config_ulong(const char *, const char *); |
a53f2ec6 | 911 | extern int git_config_bool_or_int(const char *, const char *, int *); |
17712991 | 912 | extern int git_config_bool(const char *, const char *); |
ea5105a5 | 913 | extern int git_config_string(const char **, const char *, const char *); |
395de250 | 914 | extern int git_config_pathname(const char **, const char *, const char *); |
10bea152 | 915 | extern int git_config_set(const char *, const char *); |
4ddba79d | 916 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
0667fcfb | 917 | extern int git_config_rename_section(const char *, const char *); |
506b17b1 | 918 | extern const char *git_etc_gitconfig(void); |
ef90d6d4 | 919 | extern int check_repository_format_version(const char *var, const char *value, void *cb); |
ab88c363 JK |
920 | extern int git_config_system(void); |
921 | extern int git_config_global(void); | |
40ea4ed9 | 922 | extern int config_error_nonbool(const char *); |
dc871831 | 923 | extern const char *config_exclusive_filename; |
17712991 | 924 | |
e1b10391 LT |
925 | #define MAX_GITNAME (1000) |
926 | extern char git_default_email[MAX_GITNAME]; | |
927 | extern char git_default_name[MAX_GITNAME]; | |
bb1ae3f6 | 928 | extern int user_ident_explicitly_given; |
e1b10391 | 929 | |
1a8f2741 | 930 | extern const char *git_commit_encoding; |
3a55602e | 931 | extern const char *git_log_output_encoding; |
d551a488 | 932 | extern const char *git_mailmap_file; |
4e72dcec | 933 | |
06f59e9f TT |
934 | /* IO helper functions */ |
935 | extern void maybe_flush_or_die(FILE *, const char *); | |
f3123c4a | 936 | extern int copy_fd(int ifd, int ofd); |
1468bd47 | 937 | extern int copy_file(const char *dst, const char *src, int mode); |
f7835a25 | 938 | extern int copy_file_with_time(const char *dst, const char *src, int mode); |
7230e6d0 | 939 | extern void write_or_die(int fd, const void *buf, size_t count); |
6ce4e61f | 940 | extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); |
e0814056 | 941 | extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); |
4c81b03e | 942 | extern void fsync_or_die(int fd, const char *); |
ad897215 | 943 | |
2b7ca830 JM |
944 | extern ssize_t read_in_full(int fd, void *buf, size_t count); |
945 | extern ssize_t write_in_full(int fd, const void *buf, size_t count); | |
946 | static inline ssize_t write_str_in_full(int fd, const char *str) | |
947 | { | |
948 | return write_in_full(fd, str, strlen(str)); | |
949 | } | |
950 | ||
f67b45f8 LT |
951 | /* pager.c */ |
952 | extern void setup_pager(void); | |
872da32d | 953 | extern const char *pager_program; |
6e9af863 | 954 | extern int pager_in_use(void); |
aa086eb8 | 955 | extern int pager_use_color; |
f67b45f8 | 956 | |
ee9601e6 | 957 | extern const char *editor_program; |
dfb068be | 958 | extern const char *excludes_file; |
4d87b9c5 | 959 | |
051308f6 | 960 | /* base85 */ |
f9815772 JM |
961 | int decode_85(char *dst, const char *line, int linelen); |
962 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 963 | |
855419f7 | 964 | /* alloc.c */ |
100c5f3b LT |
965 | extern void *alloc_blob_node(void); |
966 | extern void *alloc_tree_node(void); | |
967 | extern void *alloc_commit_node(void); | |
968 | extern void *alloc_tag_node(void); | |
969 | extern void *alloc_object_node(void); | |
855419f7 LT |
970 | extern void alloc_report(void); |
971 | ||
6ce4e61f | 972 | /* trace.c */ |
28bea9e5 | 973 | __attribute__((format (printf, 1, 2))) |
6ce4e61f | 974 | extern void trace_printf(const char *format, ...); |
28bea9e5 | 975 | __attribute__((format (printf, 2, 3))) |
b319ce4c | 976 | extern void trace_argv_printf(const char **argv, const char *format, ...); |
6ce4e61f | 977 | |
6c510bee | 978 | /* convert.c */ |
5ecd293d | 979 | /* returns 1 if *dst was used */ |
21e5ad50 SP |
980 | extern int convert_to_git(const char *path, const char *src, size_t len, |
981 | struct strbuf *dst, enum safe_crlf checksafe); | |
5ecd293d | 982 | extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst); |
6c510bee | 983 | |
b6ec1d61 | 984 | /* add */ |
7ae02a30 AR |
985 | /* |
986 | * return 0 if success, 1 - if addition of a file failed and | |
987 | * ADD_FILES_IGNORE_ERRORS was specified in flags | |
988 | */ | |
989 | int add_files_to_cache(const char *prefix, const char **pathspec, int flags); | |
b6ec1d61 | 990 | |
aecbf914 JH |
991 | /* diff.c */ |
992 | extern int diff_auto_refresh_index; | |
993 | ||
68faf689 JH |
994 | /* match-trees.c */ |
995 | void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); | |
996 | ||
a9cc857a JH |
997 | /* |
998 | * whitespace rules. | |
999 | * used by both diff and apply | |
1000 | */ | |
aeb84b05 | 1001 | #define WS_BLANK_AT_EOL 01 |
a9cc857a | 1002 | #define WS_SPACE_BEFORE_TAB 02 |
459fa6d0 | 1003 | #define WS_INDENT_WITH_NON_TAB 04 |
b2979ff5 | 1004 | #define WS_CR_AT_EOL 010 |
77b15bbd | 1005 | #define WS_BLANK_AT_EOF 020 |
aeb84b05 | 1006 | #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) |
a9cc857a | 1007 | #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB) |
cf1b7869 JH |
1008 | extern unsigned whitespace_rule_cfg; |
1009 | extern unsigned whitespace_rule(const char *); | |
1010 | extern unsigned parse_whitespace_rule(const char *); | |
8f8841e9 JH |
1011 | extern unsigned ws_check(const char *line, int len, unsigned ws_rule); |
1012 | 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 | 1013 | extern char *whitespace_error_string(unsigned ws); |
fe3403c3 | 1014 | extern int ws_fix_copy(char *, const char *, int, unsigned, int *); |
877f23cc | 1015 | extern int ws_blank_line(const char *line, int len, unsigned ws_rule); |
a9cc857a | 1016 | |
ee425e46 | 1017 | /* ls-files */ |
ee425e46 JH |
1018 | int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset); |
1019 | void overlay_tree_on_cache(const char *tree_name, const char *prefix); | |
1020 | ||
94351118 | 1021 | char *alias_lookup(const char *alias); |
0989fe96 | 1022 | int split_cmdline(char *cmdline, const char ***argv); |
94351118 | 1023 | |
e83c5163 | 1024 | #endif /* CACHE_H */ |