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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" |
65784830 | 8 | #include "gettext.h" |
d1bf0e08 | 9 | #include "convert.h" |
e83c5163 | 10 | |
cef661fc | 11 | #include SHA1_HEADER |
9126f009 NP |
12 | #ifndef git_SHA_CTX |
13 | #define git_SHA_CTX SHA_CTX | |
14 | #define git_SHA1_Init SHA1_Init | |
15 | #define git_SHA1_Update SHA1_Update | |
16 | #define git_SHA1_Final SHA1_Final | |
17 | #endif | |
e83c5163 | 18 | |
9126f009 | 19 | #include <zlib.h> |
609a2289 | 20 | #if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200 |
9da3acfb ET |
21 | #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) |
22 | #endif | |
23 | ||
39c68542 LT |
24 | void git_inflate_init(z_streamp strm); |
25 | void git_inflate_end(z_streamp strm); | |
26 | int git_inflate(z_streamp strm, int flush); | |
27 | ||
962554c6 | 28 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
29 | #define DTYPE(de) ((de)->d_type) |
30 | #else | |
0bdd79af JH |
31 | #undef DT_UNKNOWN |
32 | #undef DT_DIR | |
33 | #undef DT_REG | |
34 | #undef DT_LNK | |
b6829693 ET |
35 | #define DT_UNKNOWN 0 |
36 | #define DT_DIR 1 | |
37 | #define DT_REG 2 | |
a15c1c60 | 38 | #define DT_LNK 3 |
b6829693 ET |
39 | #define DTYPE(de) DT_UNKNOWN |
40 | #endif | |
41 | ||
40689ae1 MK |
42 | /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ |
43 | #define S_IFINVALID 0030000 | |
44 | ||
9eec4795 LT |
45 | /* |
46 | * A "directory link" is a link to another git directory. | |
47 | * | |
48 | * The value 0160000 is not normally a valid mode, and | |
49 | * also just happens to be S_IFDIR + S_IFLNK | |
50 | * | |
51 | * NOTE! We *really* shouldn't depend on the S_IFxxx macros | |
52 | * always having the same values everywhere. We should use | |
53 | * our internal git values for these things, and then we can | |
54 | * translate that to the OS-specific value. It just so | |
55 | * happens that everybody shares the same bit representation | |
56 | * in the UNIX world (and apparently wider too..) | |
57 | */ | |
302b9282 MW |
58 | #define S_IFGITLINK 0160000 |
59 | #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) | |
9eec4795 | 60 | |
2386d658 LT |
61 | /* |
62 | * Intensive research over the course of many years has shown that | |
63 | * port 9418 is totally unused by anything else. Or | |
64 | * | |
65 | * Your search - "port 9418" - did not match any documents. | |
66 | * | |
67 | * as www.google.com puts it. | |
ba8a4970 LT |
68 | * |
69 | * This port has been properly assigned for git use by IANA: | |
70 | * git (Assigned-9418) [I06-050728-0001]. | |
71 | * | |
72 | * git 9418/tcp git pack transfer service | |
73 | * git 9418/udp git pack transfer service | |
74 | * | |
75 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
76 | * contact. September 2005. | |
77 | * | |
78 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
79 | */ |
80 | #define DEFAULT_GIT_PORT 9418 | |
81 | ||
e83c5163 LT |
82 | /* |
83 | * Basic data structures for the directory cache | |
e83c5163 LT |
84 | */ |
85 | ||
86 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
87 | struct cache_header { | |
ccc4feb5 LT |
88 | unsigned int hdr_signature; |
89 | unsigned int hdr_version; | |
90 | unsigned int hdr_entries; | |
e83c5163 LT |
91 | }; |
92 | ||
93 | /* | |
94 | * The "cache_time" is just the low 32 bits of the | |
95 | * time. It doesn't matter if it overflows - we only | |
96 | * check it for equality in the 32 bits we save. | |
97 | */ | |
98 | struct cache_time { | |
99 | unsigned int sec; | |
100 | unsigned int nsec; | |
101 | }; | |
102 | ||
103 | /* | |
104 | * dev/ino/uid/gid/size are also just tracked to the low 32 bits | |
105 | * Again - this is just a (very strong in practice) heuristic that | |
106 | * the inode hasn't changed. | |
ccc4feb5 LT |
107 | * |
108 | * We save the fields in big-endian order to allow using the | |
109 | * index file over NFS transparently. | |
e83c5163 | 110 | */ |
7a51ed66 LT |
111 | struct ondisk_cache_entry { |
112 | struct cache_time ctime; | |
113 | struct cache_time mtime; | |
114 | unsigned int dev; | |
115 | unsigned int ino; | |
116 | unsigned int mode; | |
117 | unsigned int uid; | |
118 | unsigned int gid; | |
119 | unsigned int size; | |
120 | unsigned char sha1[20]; | |
121 | unsigned short flags; | |
122 | char name[FLEX_ARRAY]; /* more */ | |
123 | }; | |
124 | ||
06aaaa0b NTND |
125 | /* |
126 | * This struct is used when CE_EXTENDED bit is 1 | |
127 | * The struct must match ondisk_cache_entry exactly from | |
128 | * ctime till flags | |
129 | */ | |
130 | struct ondisk_cache_entry_extended { | |
131 | struct cache_time ctime; | |
132 | struct cache_time mtime; | |
133 | unsigned int dev; | |
134 | unsigned int ino; | |
135 | unsigned int mode; | |
136 | unsigned int uid; | |
137 | unsigned int gid; | |
138 | unsigned int size; | |
139 | unsigned char sha1[20]; | |
140 | unsigned short flags; | |
141 | unsigned short flags2; | |
142 | char name[FLEX_ARRAY]; /* more */ | |
143 | }; | |
144 | ||
e83c5163 | 145 | struct cache_entry { |
fba2f38a KB |
146 | struct cache_time ce_ctime; |
147 | struct cache_time ce_mtime; | |
ccc4feb5 LT |
148 | unsigned int ce_dev; |
149 | unsigned int ce_ino; | |
150 | unsigned int ce_mode; | |
151 | unsigned int ce_uid; | |
152 | unsigned int ce_gid; | |
153 | unsigned int ce_size; | |
7a51ed66 | 154 | unsigned int ce_flags; |
e83c5163 | 155 | unsigned char sha1[20]; |
eb7a2f1d | 156 | struct cache_entry *next; |
8f1d2e6f | 157 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
158 | }; |
159 | ||
95fd5bf8 LT |
160 | #define CE_NAMEMASK (0x0fff) |
161 | #define CE_STAGEMASK (0x3000) | |
16ce2e4c | 162 | #define CE_EXTENDED (0x4000) |
5f73076c | 163 | #define CE_VALID (0x8000) |
aee46198 | 164 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 165 | |
06aaaa0b NTND |
166 | /* |
167 | * Range 0xFFFF0000 in ce_flags is divided into | |
168 | * two parts: in-memory flags and on-disk ones. | |
169 | * Flags in CE_EXTENDED_FLAGS will get saved on-disk | |
170 | * if you want to save a new flag, add it in | |
171 | * CE_EXTENDED_FLAGS | |
172 | * | |
173 | * In-memory only flags | |
174 | */ | |
2977ffbb NTND |
175 | #define CE_UPDATE (1 << 16) |
176 | #define CE_REMOVE (1 << 17) | |
177 | #define CE_UPTODATE (1 << 18) | |
178 | #define CE_ADDED (1 << 19) | |
a22c6371 | 179 | |
2977ffbb NTND |
180 | #define CE_HASHED (1 << 20) |
181 | #define CE_UNHASHED (1 << 21) | |
182 | #define CE_WT_REMOVE (1 << 22) /* remove in work directory */ | |
183 | #define CE_CONFLICTED (1 << 23) | |
7a51ed66 | 184 | |
2977ffbb | 185 | #define CE_UNPACKED (1 << 24) |
2431afbf | 186 | #define CE_NEW_SKIP_WORKTREE (1 << 25) |
da165f47 | 187 | |
06aaaa0b NTND |
188 | /* |
189 | * Extended on-disk flags | |
190 | */ | |
2977ffbb NTND |
191 | #define CE_INTENT_TO_ADD (1 << 29) |
192 | #define CE_SKIP_WORKTREE (1 << 30) | |
06aaaa0b | 193 | /* CE_EXTENDED2 is for future extension */ |
2977ffbb | 194 | #define CE_EXTENDED2 (1 << 31) |
06aaaa0b | 195 | |
44a36913 | 196 | #define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE) |
06aaaa0b NTND |
197 | |
198 | /* | |
199 | * Safeguard to avoid saving wrong flags: | |
200 | * - CE_EXTENDED2 won't get saved until its semantic is known | |
201 | * - Bits in 0x0000FFFF have been saved in ce_flags already | |
202 | * - Bits in 0x003F0000 are currently in-memory flags | |
203 | */ | |
204 | #if CE_EXTENDED_FLAGS & 0x803FFFFF | |
205 | #error "CE_EXTENDED_FLAGS out of range" | |
206 | #endif | |
207 | ||
eb7a2f1d LT |
208 | /* |
209 | * Copy the sha1 and stat state of a cache entry from one to | |
210 | * another. But we never change the name, or the hash state! | |
211 | */ | |
212 | #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED) | |
213 | static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src) | |
214 | { | |
215 | unsigned int state = dst->ce_flags & CE_STATE_MASK; | |
216 | ||
217 | /* Don't copy hash chain and name */ | |
218 | memcpy(dst, src, offsetof(struct cache_entry, next)); | |
219 | ||
220 | /* Restore the hash state */ | |
221 | dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state; | |
222 | } | |
223 | ||
7fec10b7 JH |
224 | static inline unsigned create_ce_flags(size_t len, unsigned stage) |
225 | { | |
226 | if (len >= CE_NAMEMASK) | |
227 | len = CE_NAMEMASK; | |
228 | return (len | (stage << CE_STAGESHIFT)); | |
229 | } | |
230 | ||
231 | static inline size_t ce_namelen(const struct cache_entry *ce) | |
232 | { | |
233 | size_t len = ce->ce_flags & CE_NAMEMASK; | |
234 | if (len < CE_NAMEMASK) | |
235 | return len; | |
236 | return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK; | |
237 | } | |
238 | ||
aee46198 | 239 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) |
06aaaa0b NTND |
240 | #define ondisk_ce_size(ce) (((ce)->ce_flags & CE_EXTENDED) ? \ |
241 | ondisk_cache_entry_extended_size(ce_namelen(ce)) : \ | |
242 | ondisk_cache_entry_size(ce_namelen(ce))) | |
7a51ed66 | 243 | #define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT) |
eadb5831 | 244 | #define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE) |
44a36913 | 245 | #define ce_skip_worktree(ce) ((ce)->ce_flags & CE_SKIP_WORKTREE) |
eadb5831 | 246 | #define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE) |
aee46198 | 247 | |
e4479470 | 248 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
249 | static inline unsigned int create_ce_mode(unsigned int mode) |
250 | { | |
8ae0a8c5 | 251 | if (S_ISLNK(mode)) |
7a51ed66 | 252 | return S_IFLNK; |
302b9282 | 253 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
7a51ed66 LT |
254 | return S_IFGITLINK; |
255 | return S_IFREG | ce_permissions(mode); | |
8ae0a8c5 | 256 | } |
185c975f JH |
257 | static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode) |
258 | { | |
78a8d641 JS |
259 | extern int trust_executable_bit, has_symlinks; |
260 | if (!has_symlinks && S_ISREG(mode) && | |
7a51ed66 | 261 | ce && S_ISLNK(ce->ce_mode)) |
78a8d641 | 262 | return ce->ce_mode; |
185c975f | 263 | if (!trust_executable_bit && S_ISREG(mode)) { |
7a51ed66 | 264 | if (ce && S_ISREG(ce->ce_mode)) |
185c975f JH |
265 | return ce->ce_mode; |
266 | return create_ce_mode(0666); | |
267 | } | |
268 | return create_ce_mode(mode); | |
269 | } | |
d6b8fc30 JH |
270 | static inline int ce_to_dtype(const struct cache_entry *ce) |
271 | { | |
272 | unsigned ce_mode = ntohl(ce->ce_mode); | |
273 | if (S_ISREG(ce_mode)) | |
274 | return DT_REG; | |
275 | else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode)) | |
276 | return DT_DIR; | |
277 | else if (S_ISLNK(ce_mode)) | |
278 | return DT_LNK; | |
279 | else | |
280 | return DT_UNKNOWN; | |
281 | } | |
b90d9b88 RS |
282 | static inline unsigned int canon_mode(unsigned int mode) |
283 | { | |
284 | if (S_ISREG(mode)) | |
285 | return S_IFREG | ce_permissions(mode); | |
286 | if (S_ISLNK(mode)) | |
287 | return S_IFLNK; | |
288 | if (S_ISDIR(mode)) | |
289 | return S_IFDIR; | |
290 | return S_IFGITLINK; | |
291 | } | |
e4479470 | 292 | |
06aaaa0b NTND |
293 | #define flexible_size(STRUCT,len) ((offsetof(struct STRUCT,name) + (len) + 8) & ~7) |
294 | #define cache_entry_size(len) flexible_size(cache_entry,len) | |
295 | #define ondisk_cache_entry_size(len) flexible_size(ondisk_cache_entry,len) | |
296 | #define ondisk_cache_entry_extended_size(len) flexible_size(ondisk_cache_entry_extended,len) | |
f5cabd13 | 297 | |
228e94f9 JH |
298 | struct index_state { |
299 | struct cache_entry **cache; | |
300 | unsigned int cache_nr, cache_alloc, cache_changed; | |
cfc5789a | 301 | struct string_list *resolve_undo; |
228e94f9 | 302 | struct cache_tree *cache_tree; |
fba2f38a | 303 | struct cache_time timestamp; |
7a51ed66 | 304 | void *alloc; |
913e0e99 JH |
305 | unsigned name_hash_initialized : 1, |
306 | initialized : 1; | |
cf558704 | 307 | struct hash_table name_hash; |
228e94f9 JH |
308 | }; |
309 | ||
310 | extern struct index_state the_index; | |
311 | ||
96872bc2 LT |
312 | /* Name hashing */ |
313 | extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); | |
314 | /* | |
315 | * We don't actually *remove* it, we can just mark it invalid so that | |
316 | * we won't find it in lookups. | |
317 | * | |
318 | * Not only would we have to search the lists (simple enough), but | |
319 | * we'd also have to rehash other hash buckets in case this makes the | |
320 | * hash bucket empty (common). So it's much better to just mark | |
321 | * it. | |
322 | */ | |
323 | static inline void remove_name_hash(struct cache_entry *ce) | |
324 | { | |
325 | ce->ce_flags |= CE_UNHASHED; | |
326 | } | |
327 | ||
328 | ||
4aab5b46 | 329 | #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS |
228e94f9 JH |
330 | #define active_cache (the_index.cache) |
331 | #define active_nr (the_index.cache_nr) | |
332 | #define active_alloc (the_index.cache_alloc) | |
333 | #define active_cache_changed (the_index.cache_changed) | |
334 | #define active_cache_tree (the_index.cache_tree) | |
e83c5163 | 335 | |
4aab5b46 JH |
336 | #define read_cache() read_index(&the_index) |
337 | #define read_cache_from(path) read_index_from(&the_index, (path)) | |
671c9b7e | 338 | #define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec)) |
fa7b3c2f | 339 | #define is_cache_unborn() is_index_unborn(&the_index) |
e46bbcf6 | 340 | #define read_cache_unmerged() read_index_unmerged(&the_index) |
4aab5b46 JH |
341 | #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd)) |
342 | #define discard_cache() discard_index(&the_index) | |
94a5728c | 343 | #define unmerged_cache() unmerged_index(&the_index) |
4aab5b46 JH |
344 | #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen)) |
345 | #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) | |
81dc2307 | 346 | #define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name)) |
4aab5b46 JH |
347 | #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) |
348 | #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) | |
38ed1d89 JH |
349 | #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags)) |
350 | #define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) | |
3deffc52 | 351 | #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL) |
4bd5b7da JH |
352 | #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) |
353 | #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) | |
cd2fef59 | 354 | #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) |
98fa4738 | 355 | #define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) |
cfc5789a | 356 | #define resolve_undo_clear() resolve_undo_clear_index(&the_index) |
8aa38563 | 357 | #define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at) |
4421a823 | 358 | #define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec) |
4aab5b46 | 359 | #endif |
e83c5163 | 360 | |
edaec3fb JH |
361 | enum object_type { |
362 | OBJ_BAD = -1, | |
363 | OBJ_NONE = 0, | |
364 | OBJ_COMMIT = 1, | |
365 | OBJ_TREE = 2, | |
366 | OBJ_BLOB = 3, | |
367 | OBJ_TAG = 4, | |
368 | /* 5 for future expansion */ | |
369 | OBJ_OFS_DELTA = 6, | |
370 | OBJ_REF_DELTA = 7, | |
355885d5 | 371 | OBJ_ANY, |
4b05548f | 372 | OBJ_MAX |
edaec3fb JH |
373 | }; |
374 | ||
b45563a2 JH |
375 | static inline enum object_type object_type(unsigned int mode) |
376 | { | |
377 | return S_ISDIR(mode) ? OBJ_TREE : | |
378 | S_ISGITLINK(mode) ? OBJ_COMMIT : | |
379 | OBJ_BLOB; | |
380 | } | |
381 | ||
8ac069ac | 382 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
892c41b9 | 383 | #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" |
8ac069ac | 384 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" |
d19938ab | 385 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 386 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 387 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
d4ebc36c JH |
388 | #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" |
389 | #define CONFIG_ENVIRONMENT "GIT_CONFIG" | |
2b64fc89 | 390 | #define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS" |
d4ebc36c | 391 | #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" |
0454dd93 | 392 | #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" |
6476b38b | 393 | #define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS" |
d0bfd026 JH |
394 | #define GITATTRIBUTES_FILE ".gitattributes" |
395 | #define INFOATTRIBUTES_FILE "info/attributes" | |
f48fd688 | 396 | #define ATTRIBUTE_MACRO_PREFIX "[attr]" |
a97a7468 JS |
397 | #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF" |
398 | #define GIT_NOTES_DEFAULT_REF "refs/notes/commits" | |
894a9d33 | 399 | #define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF" |
6956f858 TR |
400 | #define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF" |
401 | #define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE" | |
bb233d69 | 402 | |
48a7c1c4 GB |
403 | /* |
404 | * Repository-local GIT_* environment variables | |
405 | * The array is NULL-terminated to simplify its usage in contexts such | |
406 | * environment creation or simple walk of the list. | |
407 | * The number of non-NULL entries is available as a macro. | |
408 | */ | |
655e8d9c | 409 | #define LOCAL_REPO_ENV_SIZE 9 |
48a7c1c4 GB |
410 | extern const char *const local_repo_env[LOCAL_REPO_ENV_SIZE + 1]; |
411 | ||
7d1864ce JH |
412 | extern int is_bare_repository_cfg; |
413 | extern int is_bare_repository(void); | |
68025633 | 414 | extern int is_inside_git_dir(void); |
e90fdc39 | 415 | extern char *git_work_tree_cfg; |
892c41b9 | 416 | extern int is_inside_work_tree(void); |
d2b0708e | 417 | extern int have_git_dir(void); |
c5fba16c | 418 | extern const char *get_git_dir(void); |
8ac069ac JH |
419 | extern char *get_object_directory(void); |
420 | extern char *get_index_file(void); | |
5da5c8f4 | 421 | extern char *get_graft_file(void); |
d7ac12b2 | 422 | extern int set_git_dir(const char *path); |
e90fdc39 | 423 | extern const char *get_git_work_tree(void); |
b44ebb19 | 424 | extern const char *read_gitfile_gently(const char *path); |
19757d80 | 425 | extern void set_git_work_tree(const char *tree); |
8ac069ac JH |
426 | |
427 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 428 | |
6b5ee137 | 429 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
59f0f2f3 | 430 | extern void setup_work_tree(void); |
4ca06608 | 431 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 432 | extern const char *setup_git_directory(void); |
edc54fb5 | 433 | extern char *prefix_path(const char *prefix, int len, const char *path); |
4ca06608 | 434 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
c6e8c800 | 435 | extern int check_filename(const char *prefix, const char *name); |
e23d0b4a | 436 | extern void verify_filename(const char *prefix, const char *name); |
ea92f41f | 437 | extern void verify_non_filename(const char *prefix, const char *name); |
d288a700 | 438 | |
f225aeb2 DB |
439 | #define INIT_DB_QUIET 0x0001 |
440 | ||
b57fb80a | 441 | extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int); |
f225aeb2 DB |
442 | extern int init_db(const char *template_dir, unsigned int flags); |
443 | ||
e83c5163 LT |
444 | #define alloc_nr(x) (((x)+16)*3/2) |
445 | ||
6815e569 JK |
446 | /* |
447 | * Realloc the buffer pointed at by variable 'x' so that it can hold | |
448 | * at least 'nr' entries; the number of entries currently allocated | |
449 | * is 'alloc', using the standard growing factor alloc_nr() macro. | |
450 | * | |
01f6fd4b | 451 | * DO NOT USE any expression with side-effect for 'x', 'nr', or 'alloc'. |
6815e569 JK |
452 | */ |
453 | #define ALLOC_GROW(x, nr, alloc) \ | |
454 | do { \ | |
c927e6c6 | 455 | if ((nr) > alloc) { \ |
4234a761 JH |
456 | if (alloc_nr(alloc) < (nr)) \ |
457 | alloc = (nr); \ | |
458 | else \ | |
459 | alloc = alloc_nr(alloc); \ | |
6815e569 JK |
460 | x = xrealloc((x), alloc * sizeof(*(x))); \ |
461 | } \ | |
98746061 | 462 | } while (0) |
6815e569 | 463 | |
734aab75 | 464 | /* Initialize and use the cache information */ |
4aab5b46 | 465 | extern int read_index(struct index_state *); |
671c9b7e | 466 | extern int read_index_preload(struct index_state *, const char **pathspec); |
4aab5b46 | 467 | extern int read_index_from(struct index_state *, const char *path); |
fa7b3c2f | 468 | extern int is_index_unborn(struct index_state *); |
e46bbcf6 | 469 | extern int read_index_unmerged(struct index_state *); |
e1afca4f | 470 | extern int write_index(struct index_state *, int newfd); |
4aab5b46 | 471 | extern int discard_index(struct index_state *); |
d1f128b0 | 472 | extern int unmerged_index(const struct index_state *); |
8dcf39c4 | 473 | extern int verify_path(const char *path); |
cd2fef59 | 474 | extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase); |
d1f128b0 | 475 | extern int index_name_pos(const struct index_state *, const char *name, int namelen); |
192268c1 JH |
476 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
477 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 478 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
af3785dc | 479 | #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ |
39425819 | 480 | #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ |
4aab5b46 | 481 | extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); |
81dc2307 | 482 | extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); |
4aab5b46 | 483 | extern int remove_index_entry_at(struct index_state *, int pos); |
36419c8e | 484 | extern void remove_marked_cache_entries(struct index_state *istate); |
4aab5b46 | 485 | extern int remove_file_from_index(struct index_state *, const char *path); |
38ed1d89 JH |
486 | #define ADD_CACHE_VERBOSE 1 |
487 | #define ADD_CACHE_PRETEND 2 | |
01665924 | 488 | #define ADD_CACHE_IGNORE_ERRORS 4 |
041aee31 | 489 | #define ADD_CACHE_IGNORE_REMOVAL 8 |
39425819 | 490 | #define ADD_CACHE_INTENT 16 |
38ed1d89 JH |
491 | extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); |
492 | extern int add_file_to_index(struct index_state *, const char *path, int flags); | |
6640f881 | 493 | extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); |
dbbce55b | 494 | extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); |
98fa4738 | 495 | extern int index_name_is_other(const struct index_state *, const char *, int); |
4bd5b7da JH |
496 | |
497 | /* do stat comparison even if CE_VALID is true */ | |
498 | #define CE_MATCH_IGNORE_VALID 01 | |
499 | /* do not check the contents but report dirty on racily-clean entries */ | |
56cac48c NTND |
500 | #define CE_MATCH_RACY_IS_DIRTY 02 |
501 | /* do stat comparison even if CE_SKIP_WORKTREE is true */ | |
502 | #define CE_MATCH_IGNORE_SKIP_WORKTREE 04 | |
d1f128b0 LT |
503 | extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); |
504 | extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); | |
4bd5b7da | 505 | |
0602f3e9 NTND |
506 | struct pathspec { |
507 | const char **raw; /* get_pathspec() result, not freed by free_pathspec() */ | |
508 | int nr; | |
9ddf1726 JN |
509 | unsigned int has_wildcard:1; |
510 | unsigned int recursive:1; | |
bc96cc87 | 511 | int max_depth; |
0602f3e9 NTND |
512 | struct pathspec_item { |
513 | const char *match; | |
514 | int len; | |
33e0f62b | 515 | unsigned int use_wildcard:1; |
0602f3e9 NTND |
516 | } *items; |
517 | }; | |
518 | ||
519 | extern int init_pathspec(struct pathspec *, const char **); | |
520 | extern void free_pathspec(struct pathspec *); | |
eb9cb55b | 521 | extern int ce_path_match(const struct cache_entry *ce, const struct pathspec *pathspec); |
c4ce46fc JH |
522 | |
523 | #define HASH_WRITE_OBJECT 1 | |
524 | #define HASH_FORMAT_CHECK 2 | |
525 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags); | |
526 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags); | |
415e96c8 JH |
527 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
528 | ||
405e5b2f LT |
529 | #define REFRESH_REALLY 0x0001 /* ignore_valid */ |
530 | #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ | |
531 | #define REFRESH_QUIET 0x0004 /* be quiet about it */ | |
532 | #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ | |
3f1b7b60 | 533 | #define REFRESH_IGNORE_SUBMODULES 0x0010 /* ignore submodules */ |
43673fdd | 534 | #define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */ |
046613c5 | 535 | extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen, const char *header_msg); |
405e5b2f | 536 | |
021b6e45 JH |
537 | struct lock_file { |
538 | struct lock_file *next; | |
4723ee99 | 539 | int fd; |
5e635e39 | 540 | pid_t owner; |
1084b845 | 541 | char on_list; |
021b6e45 | 542 | char filename[PATH_MAX]; |
415e96c8 | 543 | }; |
acd3b9ec JH |
544 | #define LOCK_DIE_ON_ERROR 1 |
545 | #define LOCK_NODEREF 2 | |
1b018fd9 | 546 | extern int unable_to_lock_error(const char *path, int err); |
e43a6fd3 | 547 | extern NORETURN void unable_to_lock_index_die(const char *path, int err); |
40aaae88 | 548 | extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); |
ea3cd5c7 | 549 | extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); |
021b6e45 | 550 | extern int commit_lock_file(struct lock_file *); |
ccdc4ec3 | 551 | extern void update_index_if_able(struct index_state *, struct lock_file *); |
30ca07a2 JH |
552 | |
553 | extern int hold_locked_index(struct lock_file *, int); | |
554 | extern int commit_locked_index(struct lock_file *); | |
5e7f56ac | 555 | extern void set_alternate_index_output(const char *); |
d6cf61bf | 556 | extern int close_lock_file(struct lock_file *); |
021b6e45 | 557 | extern void rollback_lock_file(struct lock_file *); |
eca35a25 | 558 | extern int delete_ref(const char *, const unsigned char *sha1, int delopt); |
734aab75 | 559 | |
2ae1c53b | 560 | /* Environment bits from configuration mechanism */ |
17712991 | 561 | extern int trust_executable_bit; |
1ce4790b | 562 | extern int trust_ctime; |
9378c161 | 563 | extern int quote_path_fully; |
78a8d641 | 564 | extern int has_symlinks; |
dce96489 | 565 | extern int minimum_abbrev, default_abbrev; |
0a9b88b7 | 566 | extern int ignore_case; |
5f73076c | 567 | extern int assume_unchanged; |
9f0bb90d | 568 | extern int prefer_symlink_refs; |
6de08ae6 | 569 | extern int log_all_ref_updates; |
2f8acdb3 | 570 | extern int warn_ambiguous_refs; |
457f06d6 | 571 | extern int shared_repository; |
2ae1c53b | 572 | extern const char *apply_default_whitespace; |
86c91f91 | 573 | extern const char *apply_default_ignorewhitespace; |
12f6c308 | 574 | extern int zlib_compression_level; |
960ccca6 DH |
575 | extern int core_compression_level; |
576 | extern int core_compression_seen; | |
60bb8b14 | 577 | extern size_t packed_git_window_size; |
77ccc5bb | 578 | extern size_t packed_git_limit; |
18bdec11 | 579 | extern size_t delta_base_cache_limit; |
15366280 | 580 | extern unsigned long big_file_threshold; |
dae556bd | 581 | extern int read_replace_refs; |
aafe9fba | 582 | extern int fsync_object_files; |
671c9b7e | 583 | extern int core_preload_index; |
08aefc9e | 584 | extern int core_apply_sparse_checkout; |
17712991 | 585 | |
9ed36cfa | 586 | enum branch_track { |
9188ed89 | 587 | BRANCH_TRACK_UNSPECIFIED = -1, |
9ed36cfa JS |
588 | BRANCH_TRACK_NEVER = 0, |
589 | BRANCH_TRACK_REMOTE, | |
590 | BRANCH_TRACK_ALWAYS, | |
591 | BRANCH_TRACK_EXPLICIT, | |
4b05548f | 592 | BRANCH_TRACK_OVERRIDE |
9ed36cfa JS |
593 | }; |
594 | ||
c998ae9b DS |
595 | enum rebase_setup_type { |
596 | AUTOREBASE_NEVER = 0, | |
597 | AUTOREBASE_LOCAL, | |
598 | AUTOREBASE_REMOTE, | |
4b05548f | 599 | AUTOREBASE_ALWAYS |
c998ae9b DS |
600 | }; |
601 | ||
52153747 | 602 | enum push_default_type { |
52153747 FAG |
603 | PUSH_DEFAULT_NOTHING = 0, |
604 | PUSH_DEFAULT_MATCHING, | |
53c40311 | 605 | PUSH_DEFAULT_UPSTREAM, |
4b05548f | 606 | PUSH_DEFAULT_CURRENT |
52153747 FAG |
607 | }; |
608 | ||
9ed36cfa | 609 | extern enum branch_track git_branch_track; |
c998ae9b | 610 | extern enum rebase_setup_type autorebase; |
52153747 | 611 | extern enum push_default_type push_default; |
9ed36cfa | 612 | |
348df166 JS |
613 | enum object_creation_mode { |
614 | OBJECT_CREATION_USES_HARDLINKS = 0, | |
4b05548f | 615 | OBJECT_CREATION_USES_RENAMES = 1 |
348df166 JS |
616 | }; |
617 | ||
618 | extern enum object_creation_mode object_creation_mode; | |
be66a6c4 | 619 | |
a97a7468 JS |
620 | extern char *notes_ref_name; |
621 | ||
7f3140cd JS |
622 | extern int grafts_replace_parents; |
623 | ||
ab9cb76f JH |
624 | #define GIT_REPO_VERSION 0 |
625 | extern int repository_format_version; | |
626 | extern int check_repository_format(void); | |
627 | ||
734aab75 LT |
628 | #define MTIME_CHANGED 0x0001 |
629 | #define CTIME_CHANGED 0x0002 | |
630 | #define OWNER_CHANGED 0x0004 | |
631 | #define MODE_CHANGED 0x0008 | |
632 | #define INODE_CHANGED 0x0010 | |
633 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 634 | #define TYPE_CHANGED 0x0040 |
e83c5163 | 635 | |
108bebea AR |
636 | extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) |
637 | __attribute__((format (printf, 3, 4))); | |
fe2d7776 AR |
638 | extern char *git_snpath(char *buf, size_t n, const char *fmt, ...) |
639 | __attribute__((format (printf, 3, 4))); | |
aba13e7c AR |
640 | extern char *git_pathdup(const char *fmt, ...) |
641 | __attribute__((format (printf, 1, 2))); | |
108bebea | 642 | |
e83c5163 | 643 | /* Return a statically allocated filename matching the sha1 signature */ |
4ec99bf0 TS |
644 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
645 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
0bad611b HV |
646 | extern char *git_path_submodule(const char *path, const char *fmt, ...) |
647 | __attribute__((format (printf, 2, 3))); | |
648 | ||
73134b6d | 649 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
650 | extern char *sha1_pack_name(const unsigned char *sha1); |
651 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 652 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 653 | extern const unsigned char null_sha1[20]; |
1a812f3a IM |
654 | |
655 | static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) | |
0bef57ee | 656 | { |
1a812f3a IM |
657 | int i; |
658 | ||
659 | for (i = 0; i < 20; i++, sha1++, sha2++) { | |
660 | if (*sha1 != *sha2) | |
661 | return *sha1 - *sha2; | |
662 | } | |
663 | ||
664 | return 0; | |
0bef57ee | 665 | } |
1a812f3a IM |
666 | |
667 | static inline int is_null_sha1(const unsigned char *sha1) | |
a89fccd2 | 668 | { |
1a812f3a | 669 | return !hashcmp(sha1, null_sha1); |
a89fccd2 | 670 | } |
1a812f3a | 671 | |
e702496e SP |
672 | static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) |
673 | { | |
674 | memcpy(sha_dst, sha_src, 20); | |
675 | } | |
a8e0d16d JH |
676 | static inline void hashclr(unsigned char *hash) |
677 | { | |
678 | memset(hash, 0, 20); | |
679 | } | |
e83c5163 | 680 | |
14d9c578 JK |
681 | #define EMPTY_TREE_SHA1_HEX \ |
682 | "4b825dc642cb6eb9a060e54bf8d69288fbee4904" | |
dab0d410 | 683 | #define EMPTY_TREE_SHA1_BIN_LITERAL \ |
14d9c578 JK |
684 | "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ |
685 | "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" | |
dab0d410 JN |
686 | #define EMPTY_TREE_SHA1_BIN \ |
687 | ((const unsigned char *) EMPTY_TREE_SHA1_BIN_LITERAL) | |
14d9c578 | 688 | |
f2db68ed HE |
689 | int git_mkstemp(char *path, size_t n, const char *template); |
690 | ||
003b33a8 DA |
691 | int git_mkstemps(char *path, size_t n, const char *template, int suffix_len); |
692 | ||
b862b61c MM |
693 | /* set default permissions by passing mode arguments to open(2) */ |
694 | int git_mkstemps_mode(char *pattern, int suffix_len, int mode); | |
695 | int git_mkstemp_mode(char *pattern, int mode); | |
696 | ||
06cbe855 HO |
697 | /* |
698 | * NOTE NOTE NOTE!! | |
699 | * | |
700 | * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must | |
701 | * not be changed. Old repositories have core.sharedrepository written in | |
702 | * numeric format, and therefore these values are preserved for compatibility | |
703 | * reasons. | |
704 | */ | |
94df2506 | 705 | enum sharedrepo { |
06cbe855 HO |
706 | PERM_UMASK = 0, |
707 | OLD_PERM_GROUP = 1, | |
708 | OLD_PERM_EVERYBODY = 2, | |
709 | PERM_GROUP = 0660, | |
4b05548f | 710 | PERM_EVERYBODY = 0664 |
94df2506 JH |
711 | }; |
712 | int git_config_perm(const char *var, const char *value); | |
17e61b82 JH |
713 | int set_shared_perm(const char *path, int mode); |
714 | #define adjust_shared_perm(path) set_shared_perm((path), 0) | |
b2cb9425 | 715 | int safe_create_leading_directories(char *path); |
8e21d63b | 716 | int safe_create_leading_directories_const(const char *path); |
90a6464b | 717 | int mkdir_in_gitdir(const char *path); |
395de250 | 718 | extern char *expand_user_path(const char *path); |
bd22c904 | 719 | char *enter_repo(char *path, int strict); |
e5392c51 JS |
720 | static inline int is_absolute_path(const char *path) |
721 | { | |
88135203 | 722 | return is_dir_sep(path[0]) || has_dos_drive_prefix(path); |
e5392c51 | 723 | } |
90b4a71c | 724 | int is_directory(const char *); |
e2a57aac CMN |
725 | const char *real_path(const char *path); |
726 | const char *absolute_path(const char *path); | |
727 | const char *relative_path(const char *abs, const char *base); | |
f3cad0ad | 728 | int normalize_path_copy(char *dst, const char *src); |
0454dd93 | 729 | int longest_ancestor_length(const char *path, const char *prefix_list); |
4fcc86b0 | 730 | char *strip_path_suffix(const char *path, const char *suffix); |
34b6cb8b | 731 | int daemon_avoid_alias(const char *path); |
4bb43de2 | 732 | int offset_1st_component(const char *path); |
b2cb9425 | 733 | |
e1111cef | 734 | /* object replacement */ |
5bf29b95 JH |
735 | #define READ_SHA1_FILE_REPLACE 1 |
736 | extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag); | |
f5552aee CC |
737 | static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
738 | { | |
5bf29b95 JH |
739 | return read_sha1_file_extended(sha1, type, size, READ_SHA1_FILE_REPLACE); |
740 | } | |
e1111cef JH |
741 | extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1); |
742 | static inline const unsigned char *lookup_replace_object(const unsigned char *sha1) | |
743 | { | |
744 | if (!read_replace_refs) | |
745 | return sha1; | |
746 | return do_lookup_replace_object(sha1); | |
f5552aee | 747 | } |
e1111cef | 748 | |
e83c5163 | 749 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
21666f1a | 750 | extern int sha1_object_info(const unsigned char *, unsigned long *); |
ce9fbf16 | 751 | extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); |
c00e657d | 752 | extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
21666f1a | 753 | extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); |
bbac7311 | 754 | extern int force_object_loose(const unsigned char *sha1, time_t mtime); |
f0270efd JH |
755 | extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size); |
756 | extern int unpack_sha1_header(z_stream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz); | |
757 | extern int parse_sha1_header(const char *hdr, unsigned long *sizep); | |
8237b185 | 758 | |
0e8189e2 NP |
759 | /* global flag to enable extra checks when accessing packed objects */ |
760 | extern int do_check_packed_object_crc; | |
761 | ||
5d6ccf5c | 762 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 763 | |
839837b9 | 764 | extern int move_temp_to_file(const char *tmpfile, const char *filename); |
8237b185 | 765 | |
cd673c1f | 766 | extern int has_sha1_pack(const unsigned char *sha1); |
8237b185 | 767 | extern int has_sha1_file(const unsigned char *sha1); |
0f4dc14a | 768 | extern int has_loose_object_nonlocal(const unsigned char *sha1); |
8237b185 | 769 | |
bf592c50 DB |
770 | extern int has_pack_index(const unsigned char *sha1); |
771 | ||
40d52ff7 JK |
772 | extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect); |
773 | ||
192a6be2 LT |
774 | extern const signed char hexval_table[256]; |
775 | static inline unsigned int hexval(unsigned char c) | |
e49521b5 JH |
776 | { |
777 | return hexval_table[c]; | |
778 | } | |
779 | ||
e83c5163 | 780 | /* Convert to/from hex/sha1 representation */ |
dce96489 LT |
781 | #define MINIMUM_ABBREV minimum_abbrev |
782 | #define DEFAULT_ABBREV default_abbrev | |
46a6c262 | 783 | |
573285e5 CP |
784 | struct object_context { |
785 | unsigned char tree[20]; | |
786 | char path[PATH_MAX]; | |
787 | unsigned mode; | |
788 | }; | |
789 | ||
3c249c95 | 790 | extern int get_sha1(const char *str, unsigned char *sha1); |
2e83b66c | 791 | extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int only_to_die, const char *prefix); |
009fee47 MM |
792 | static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode) |
793 | { | |
2e83b66c | 794 | return get_sha1_with_mode_1(str, sha1, mode, 0, NULL); |
009fee47 | 795 | } |
2e83b66c | 796 | extern int get_sha1_with_context_1(const char *name, unsigned char *sha1, struct object_context *orc, int only_to_die, const char *prefix); |
573285e5 CP |
797 | static inline int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc) |
798 | { | |
2e83b66c | 799 | return get_sha1_with_context_1(str, sha1, orc, 0, NULL); |
573285e5 | 800 | } |
197ee8c9 LT |
801 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
802 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ | |
ca8db142 | 803 | extern int read_ref(const char *filename, unsigned char *sha1); |
8da19775 | 804 | extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *); |
e86eb666 | 805 | extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); |
eb3a4822 | 806 | extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); |
431b1969 | 807 | extern int interpret_branch_name(const char *str, struct strbuf *); |
619a644d | 808 | extern int get_sha1_mb(const char *str, unsigned char *sha1); |
e86eb666 | 809 | |
79803322 SP |
810 | extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); |
811 | extern const char *ref_rev_parse_rules[]; | |
605b4978 | 812 | extern const char *ref_fetch_rules[]; |
79803322 | 813 | |
8b5157e4 | 814 | extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg); |
c847f537 | 815 | extern int validate_headref(const char *ref); |
e83c5163 | 816 | |
958ba6c9 | 817 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
0ab9e1e8 | 818 | extern int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 819 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
e83c5163 | 820 | |
40469ee9 | 821 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 822 | const char *required_type, |
40469ee9 JH |
823 | unsigned long *size, |
824 | unsigned char *sha1_ret); | |
f4913f91 | 825 | |
81776315 JH |
826 | extern struct object *peel_to_type(const char *name, int namelen, |
827 | struct object *o, enum object_type); | |
828 | ||
73013afd JH |
829 | enum date_mode { |
830 | DATE_NORMAL = 0, | |
831 | DATE_RELATIVE, | |
832 | DATE_SHORT, | |
833 | DATE_LOCAL, | |
834 | DATE_ISO8601, | |
7dff9b30 LT |
835 | DATE_RFC2822, |
836 | DATE_RAW | |
73013afd JH |
837 | }; |
838 | ||
f8493ec0 | 839 | const char *show_date(unsigned long time, int timezone, enum date_mode mode); |
33012fc4 AR |
840 | const char *show_date_relative(unsigned long time, int tz, |
841 | const struct timeval *now, | |
842 | char *timebuf, | |
843 | size_t timebuf_size); | |
2a39064c | 844 | int parse_date(const char *date, char *buf, int bufsize); |
9644c061 | 845 | int parse_date_basic(const char *date, unsigned long *timestamp, int *offset); |
ecee9d9e | 846 | void datestamp(char *buf, int bufsize); |
93cfa7c7 JH |
847 | #define approxidate(s) approxidate_careful((s), NULL) |
848 | unsigned long approxidate_careful(const char *, int *); | |
33012fc4 | 849 | unsigned long approxidate_relative(const char *date, const struct timeval *now); |
856665f8 | 850 | enum date_mode parse_date_format(const char *format); |
ecee9d9e | 851 | |
774751a8 JH |
852 | #define IDENT_WARN_ON_NO_NAME 1 |
853 | #define IDENT_ERROR_ON_NO_NAME 2 | |
854 | #define IDENT_NO_DATE 4 | |
749be728 JH |
855 | extern const char *git_author_info(int); |
856 | extern const char *git_committer_info(int); | |
798123af | 857 | extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); |
d9ccfe77 | 858 | extern const char *fmt_name(const char *name, const char *email); |
44fcb497 | 859 | extern const char *git_editor(void); |
64778d24 | 860 | extern const char *git_pager(int stdout_is_tty); |
6aa33f40 | 861 | |
12dccc16 LT |
862 | struct checkout { |
863 | const char *base_dir; | |
864 | int base_dir_len; | |
865 | unsigned force:1, | |
866 | quiet:1, | |
867 | not_new:1, | |
868 | refresh_cache:1; | |
869 | }; | |
870 | ||
efbc5831 | 871 | extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); |
b9fd2846 LT |
872 | |
873 | struct cache_def { | |
874 | char path[PATH_MAX + 1]; | |
875 | int len; | |
876 | int flags; | |
877 | int track_flags; | |
878 | int prefix_len_stat_func; | |
879 | }; | |
880 | ||
57199892 | 881 | extern int has_symlink_leading_path(const char *name, int len); |
b9fd2846 | 882 | extern int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); |
f66caaf9 | 883 | extern int check_leading_path(const char *name, int len); |
57199892 | 884 | extern int has_dirs_only_path(const char *name, int len, int prefix_len); |
78478927 KB |
885 | extern void schedule_dir_for_removal(const char *name, int len); |
886 | extern void remove_scheduled_dirs(void); | |
12dccc16 | 887 | |
9a217f2a | 888 | extern struct alternate_object_database { |
d5a63b99 | 889 | struct alternate_object_database *next; |
9a217f2a | 890 | char *name; |
8f1d2e6f | 891 | char base[FLEX_ARRAY]; /* more */ |
d5a63b99 | 892 | } *alt_odb_list; |
9a217f2a | 893 | extern void prepare_alt_odb(void); |
bef70b22 | 894 | extern void add_to_alternates_file(const char *reference); |
d79796bc JH |
895 | typedef int alt_odb_fn(struct alternate_object_database *, void *); |
896 | extern void foreach_alt_odb(alt_odb_fn, void*); | |
9a217f2a | 897 | |
c41ee586 SP |
898 | struct pack_window { |
899 | struct pack_window *next; | |
900 | unsigned char *base; | |
901 | off_t offset; | |
902 | size_t len; | |
903 | unsigned int last_used; | |
904 | unsigned int inuse_cnt; | |
905 | }; | |
906 | ||
9a217f2a JH |
907 | extern struct packed_git { |
908 | struct packed_git *next; | |
c41ee586 | 909 | struct pack_window *windows; |
2dc3a234 | 910 | off_t pack_size; |
57059091 NP |
911 | const void *index_data; |
912 | size_t index_size; | |
913 | uint32_t num_objects; | |
8eca0b47 NP |
914 | uint32_t num_bad_objects; |
915 | unsigned char *bad_object_sha1; | |
42873078 | 916 | int index_version; |
57059091 | 917 | time_t mtime; |
9bc879c1 | 918 | int pack_fd; |
8d25931d | 919 | unsigned pack_local:1, |
d131b7af SP |
920 | pack_keep:1, |
921 | do_not_close:1; | |
bf592c50 | 922 | unsigned char sha1[20]; |
8f1d2e6f JH |
923 | /* something like ".git/objects/pack/xxxxx.pack" */ |
924 | char pack_name[FLEX_ARRAY]; /* more */ | |
9a217f2a | 925 | } *packed_git; |
f3bf9224 JH |
926 | |
927 | struct pack_entry { | |
c4001d92 | 928 | off_t offset; |
f3bf9224 JH |
929 | unsigned char sha1[20]; |
930 | struct packed_git *p; | |
931 | }; | |
932 | ||
d1c133f5 LT |
933 | struct ref { |
934 | struct ref *next; | |
935 | unsigned char old_sha1[20]; | |
936 | unsigned char new_sha1[20]; | |
be885d96 | 937 | char *symref; |
9f8a15c7 SP |
938 | unsigned int force:1, |
939 | merge:1, | |
940 | nonfastforward:1, | |
941 | deletion:1; | |
8736a848 JK |
942 | enum { |
943 | REF_STATUS_NONE = 0, | |
944 | REF_STATUS_OK, | |
945 | REF_STATUS_REJECT_NONFASTFORWARD, | |
946 | REF_STATUS_REJECT_NODELETE, | |
947 | REF_STATUS_UPTODATE, | |
ca74c458 | 948 | REF_STATUS_REMOTE_REJECT, |
4b05548f | 949 | REF_STATUS_EXPECTING_REPORT |
8736a848 | 950 | } status; |
2a0fe89a | 951 | char *remote_status; |
f88395ac | 952 | struct ref *peer_ref; /* when renaming */ |
8f1d2e6f | 953 | char name[FLEX_ARRAY]; /* more */ |
d1c133f5 LT |
954 | }; |
955 | ||
2718ff09 LT |
956 | #define REF_NORMAL (1u << 0) |
957 | #define REF_HEADS (1u << 1) | |
958 | #define REF_TAGS (1u << 2) | |
959 | ||
5483f799 | 960 | extern struct ref *find_ref_by_name(const struct ref *list, const char *name); |
cda69f48 | 961 | |
7841ce79 | 962 | #define CONNECT_VERBOSE (1u << 0) |
f206063b | 963 | extern char *git_getpass(const char *prompt); |
4577370e | 964 | extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags); |
98158e9c | 965 | extern int finish_connect(struct child_process *conn); |
7ffe853b | 966 | extern int git_connection_is_socket(struct child_process *conn); |
013e7c7f | 967 | extern int path_match(const char *path, int nr, char **match); |
40c155ff JH |
968 | struct extra_have_objects { |
969 | int nr, alloc; | |
970 | unsigned char (*array)[20]; | |
971 | }; | |
972 | extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *); | |
211b5f9e | 973 | extern int server_supports(const char *feature); |
f7192598 | 974 | |
7b64469a | 975 | extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path); |
bf592c50 | 976 | |
9a217f2a | 977 | extern void prepare_packed_git(void); |
fc04c412 | 978 | extern void reprepare_packed_git(void); |
bf592c50 DB |
979 | extern void install_packed_git(struct packed_git *pack); |
980 | ||
a6080a0a | 981 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, |
bf592c50 DB |
982 | struct packed_git *packs); |
983 | ||
276bc2ca | 984 | extern void pack_report(void); |
d079837e | 985 | extern int open_pack_index(struct packed_git *); |
fa5fc15d | 986 | extern void close_pack_index(struct packed_git *); |
4b25d091 | 987 | extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); |
c9ced051 | 988 | extern void close_pack_windows(struct packed_git *); |
03e79c88 | 989 | extern void unuse_pack(struct pack_window **); |
c74faea1 | 990 | extern void free_pack_by_name(const char *); |
3d20c636 | 991 | extern void clear_delta_base_cache(void); |
42873078 | 992 | extern struct packed_git *add_packed_git(const char *, int, int); |
d079837e | 993 | extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); |
99093238 | 994 | extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); |
c4001d92 SP |
995 | extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); |
996 | extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); | |
09ded04b | 997 | extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); |
54dab52a | 998 | extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); |
b9a62cbe | 999 | extern int packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *); |
f8c8abc5 | 1000 | extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *); |
9a217f2a | 1001 | |
9a490590 JH |
1002 | struct object_info { |
1003 | /* Request */ | |
1004 | unsigned long *sizep; | |
1005 | ||
1006 | /* Response */ | |
1007 | enum { | |
1008 | OI_CACHED, | |
1009 | OI_LOOSE, | |
5266d369 JH |
1010 | OI_PACKED, |
1011 | OI_DBCACHED | |
9a490590 JH |
1012 | } whence; |
1013 | union { | |
1014 | /* | |
1015 | * struct { | |
1016 | * ... Nothing to expose in this case | |
1017 | * } cached; | |
1018 | * struct { | |
1019 | * ... Nothing to expose in this case | |
1020 | * } loose; | |
1021 | */ | |
1022 | struct { | |
1023 | struct packed_git *pack; | |
1024 | off_t offset; | |
1025 | unsigned int is_delta; | |
1026 | } packed; | |
1027 | } u; | |
1028 | }; | |
1029 | extern int sha1_object_info_extended(const unsigned char *, struct object_info *); | |
9a217f2a | 1030 | |
8f3f9b09 JH |
1031 | /* Dumb servers support */ |
1032 | extern int update_server_info(int); | |
1033 | ||
7a397419 MG |
1034 | /* git_config_parse_key() returns these negated: */ |
1035 | #define CONFIG_INVALID_KEY 1 | |
1036 | #define CONFIG_NO_SECTION_OR_NAME 2 | |
1037 | /* git_config_set(), git_config_set_multivar() return the above or these: */ | |
1038 | #define CONFIG_NO_LOCK -1 | |
1039 | #define CONFIG_INVALID_FILE 3 | |
1040 | #define CONFIG_NO_WRITE 4 | |
1041 | #define CONFIG_NOTHING_SET 5 | |
1042 | #define CONFIG_INVALID_PATTERN 6 | |
1043 | ||
ef90d6d4 JS |
1044 | typedef int (*config_fn_t)(const char *, const char *, void *); |
1045 | extern int git_default_config(const char *, const char *, void *); | |
1046 | extern int git_config_from_file(config_fn_t fn, const char *, void *); | |
2b64fc89 | 1047 | extern void git_config_push_parameter(const char *text); |
b3d83d9f | 1048 | extern int git_config_from_parameters(config_fn_t fn, void *data); |
ef90d6d4 | 1049 | extern int git_config(config_fn_t fn, void *); |
dbdf5854 | 1050 | extern int git_config_early(config_fn_t fn, void *, const char *repo_config); |
0b87b6e0 | 1051 | extern int git_parse_ulong(const char *, unsigned long *); |
17712991 | 1052 | extern int git_config_int(const char *, const char *); |
0b87b6e0 | 1053 | extern unsigned long git_config_ulong(const char *, const char *); |
a53f2ec6 | 1054 | extern int git_config_bool_or_int(const char *, const char *, int *); |
17712991 | 1055 | extern int git_config_bool(const char *, const char *); |
8420ccd8 | 1056 | extern int git_config_maybe_bool(const char *, const char *); |
ea5105a5 | 1057 | extern int git_config_string(const char **, const char *, const char *); |
395de250 | 1058 | extern int git_config_pathname(const char **, const char *, const char *); |
10bea152 | 1059 | extern int git_config_set(const char *, const char *); |
b09c53a3 | 1060 | extern int git_config_parse_key(const char *, char **, int *); |
4ddba79d | 1061 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
0667fcfb | 1062 | extern int git_config_rename_section(const char *, const char *); |
506b17b1 | 1063 | extern const char *git_etc_gitconfig(void); |
ef90d6d4 | 1064 | extern int check_repository_format_version(const char *var, const char *value, void *cb); |
0ef37164 | 1065 | extern int git_env_bool(const char *, int); |
ab88c363 | 1066 | extern int git_config_system(void); |
40ea4ed9 | 1067 | extern int config_error_nonbool(const char *); |
a6fa5992 PN |
1068 | extern const char *get_log_output_encoding(void); |
1069 | extern const char *get_commit_output_encoding(void); | |
1070 | ||
dc871831 | 1071 | extern const char *config_exclusive_filename; |
17712991 | 1072 | |
e1b10391 LT |
1073 | #define MAX_GITNAME (1000) |
1074 | extern char git_default_email[MAX_GITNAME]; | |
1075 | extern char git_default_name[MAX_GITNAME]; | |
91c38a21 JH |
1076 | #define IDENT_NAME_GIVEN 01 |
1077 | #define IDENT_MAIL_GIVEN 02 | |
1078 | #define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN) | |
bb1ae3f6 | 1079 | extern int user_ident_explicitly_given; |
5aeb3a3a | 1080 | extern int user_ident_sufficiently_given(void); |
e1b10391 | 1081 | |
1a8f2741 | 1082 | extern const char *git_commit_encoding; |
3a55602e | 1083 | extern const char *git_log_output_encoding; |
d551a488 | 1084 | extern const char *git_mailmap_file; |
4e72dcec | 1085 | |
06f59e9f TT |
1086 | /* IO helper functions */ |
1087 | extern void maybe_flush_or_die(FILE *, const char *); | |
f3123c4a | 1088 | extern int copy_fd(int ifd, int ofd); |
1468bd47 | 1089 | extern int copy_file(const char *dst, const char *src, int mode); |
f7835a25 | 1090 | extern int copy_file_with_time(const char *dst, const char *src, int mode); |
7230e6d0 | 1091 | extern void write_or_die(int fd, const void *buf, size_t count); |
6ce4e61f | 1092 | extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); |
e0814056 | 1093 | extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); |
4c81b03e | 1094 | extern void fsync_or_die(int fd, const char *); |
ad897215 | 1095 | |
2b7ca830 JM |
1096 | extern ssize_t read_in_full(int fd, void *buf, size_t count); |
1097 | extern ssize_t write_in_full(int fd, const void *buf, size_t count); | |
1098 | static inline ssize_t write_str_in_full(int fd, const char *str) | |
1099 | { | |
1100 | return write_in_full(fd, str, strlen(str)); | |
1101 | } | |
1102 | ||
f67b45f8 LT |
1103 | /* pager.c */ |
1104 | extern void setup_pager(void); | |
872da32d | 1105 | extern const char *pager_program; |
6e9af863 | 1106 | extern int pager_in_use(void); |
aa086eb8 | 1107 | extern int pager_use_color; |
f67b45f8 | 1108 | |
ee9601e6 | 1109 | extern const char *editor_program; |
d3e7da89 | 1110 | extern const char *askpass_program; |
dfb068be | 1111 | extern const char *excludes_file; |
4d87b9c5 | 1112 | |
051308f6 | 1113 | /* base85 */ |
f9815772 JM |
1114 | int decode_85(char *dst, const char *line, int linelen); |
1115 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 1116 | |
855419f7 | 1117 | /* alloc.c */ |
100c5f3b LT |
1118 | extern void *alloc_blob_node(void); |
1119 | extern void *alloc_tree_node(void); | |
1120 | extern void *alloc_commit_node(void); | |
1121 | extern void *alloc_tag_node(void); | |
1122 | extern void *alloc_object_node(void); | |
855419f7 LT |
1123 | extern void alloc_report(void); |
1124 | ||
6ce4e61f | 1125 | /* trace.c */ |
28bea9e5 | 1126 | __attribute__((format (printf, 1, 2))) |
6ce4e61f | 1127 | extern void trace_printf(const char *format, ...); |
06796607 | 1128 | extern void trace_vprintf(const char *key, const char *format, va_list ap); |
28bea9e5 | 1129 | __attribute__((format (printf, 2, 3))) |
b319ce4c | 1130 | extern void trace_argv_printf(const char **argv, const char *format, ...); |
a9ca8a85 | 1131 | extern void trace_repo_setup(const char *prefix); |
39bc5e46 | 1132 | extern int trace_want(const char *key); |
94b3b374 | 1133 | extern void trace_strbuf(const char *key, const struct strbuf *buf); |
6ce4e61f | 1134 | |
bbc30f99 | 1135 | void packet_trace_identity(const char *prog); |
6ce4e61f | 1136 | |
b6ec1d61 | 1137 | /* add */ |
7ae02a30 AR |
1138 | /* |
1139 | * return 0 if success, 1 - if addition of a file failed and | |
1140 | * ADD_FILES_IGNORE_ERRORS was specified in flags | |
1141 | */ | |
1142 | int add_files_to_cache(const char *prefix, const char **pathspec, int flags); | |
b6ec1d61 | 1143 | |
aecbf914 JH |
1144 | /* diff.c */ |
1145 | extern int diff_auto_refresh_index; | |
1146 | ||
68faf689 JH |
1147 | /* match-trees.c */ |
1148 | void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); | |
85e51b78 | 1149 | void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char *, const char *); |
68faf689 | 1150 | |
a9cc857a JH |
1151 | /* |
1152 | * whitespace rules. | |
1153 | * used by both diff and apply | |
f4b05a49 | 1154 | * last two digits are tab width |
a9cc857a | 1155 | */ |
f4b05a49 JS |
1156 | #define WS_BLANK_AT_EOL 0100 |
1157 | #define WS_SPACE_BEFORE_TAB 0200 | |
1158 | #define WS_INDENT_WITH_NON_TAB 0400 | |
1159 | #define WS_CR_AT_EOL 01000 | |
1160 | #define WS_BLANK_AT_EOF 02000 | |
1161 | #define WS_TAB_IN_INDENT 04000 | |
aeb84b05 | 1162 | #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) |
f4b05a49 JS |
1163 | #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB|8) |
1164 | #define WS_TAB_WIDTH_MASK 077 | |
cf1b7869 JH |
1165 | extern unsigned whitespace_rule_cfg; |
1166 | extern unsigned whitespace_rule(const char *); | |
1167 | extern unsigned parse_whitespace_rule(const char *); | |
8f8841e9 JH |
1168 | extern unsigned ws_check(const char *line, int len, unsigned ws_rule); |
1169 | 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 | 1170 | extern char *whitespace_error_string(unsigned ws); |
d511bd33 | 1171 | extern void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *); |
877f23cc | 1172 | extern int ws_blank_line(const char *line, int len, unsigned ws_rule); |
f4b05a49 | 1173 | #define ws_tab_width(rule) ((rule) & WS_TAB_WIDTH_MASK) |
a9cc857a | 1174 | |
ee425e46 | 1175 | /* ls-files */ |
ee425e46 JH |
1176 | int report_path_error(const char *ps_matched, const char **pathspec, int prefix_offset); |
1177 | void overlay_tree_on_cache(const char *tree_name, const char *prefix); | |
1178 | ||
94351118 | 1179 | char *alias_lookup(const char *alias); |
0989fe96 | 1180 | int split_cmdline(char *cmdline, const char ***argv); |
ad9ac6db GB |
1181 | /* Takes a negative value returned by split_cmdline */ |
1182 | const char *split_cmdline_strerror(int cmdline_errno); | |
94351118 | 1183 | |
e37c1329 NTND |
1184 | /* git.c */ |
1185 | struct startup_info { | |
a60645f9 | 1186 | int have_repository; |
f07d6a1a | 1187 | const char *prefix; |
e37c1329 NTND |
1188 | }; |
1189 | extern struct startup_info *startup_info; | |
1190 | ||
cac42b26 JH |
1191 | /* builtin/merge.c */ |
1192 | int checkout_fast_forward(const unsigned char *from, const unsigned char *to); | |
1193 | ||
e83c5163 | 1194 | #endif /* CACHE_H */ |