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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> |
ef49a7a0 JH |
20 | typedef struct git_zstream { |
21 | z_stream z; | |
22 | unsigned long avail_in; | |
23 | unsigned long avail_out; | |
24 | unsigned long total_in; | |
25 | unsigned long total_out; | |
26 | unsigned char *next_in; | |
27 | unsigned char *next_out; | |
28 | } git_zstream; | |
29 | ||
30 | void git_inflate_init(git_zstream *); | |
31 | void git_inflate_init_gzip_only(git_zstream *); | |
32 | void git_inflate_end(git_zstream *); | |
33 | int git_inflate(git_zstream *, int flush); | |
34 | ||
35 | void git_deflate_init(git_zstream *, int level); | |
36 | void git_deflate_init_gzip(git_zstream *, int level); | |
c3c2e1a0 | 37 | void git_deflate_init_raw(git_zstream *, int level); |
ef49a7a0 | 38 | void git_deflate_end(git_zstream *); |
568508e7 | 39 | int git_deflate_abort(git_zstream *); |
ef49a7a0 JH |
40 | int git_deflate_end_gently(git_zstream *); |
41 | int git_deflate(git_zstream *, int flush); | |
42 | unsigned long git_deflate_bound(git_zstream *, unsigned long); | |
39c68542 | 43 | |
962554c6 | 44 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
45 | #define DTYPE(de) ((de)->d_type) |
46 | #else | |
0bdd79af JH |
47 | #undef DT_UNKNOWN |
48 | #undef DT_DIR | |
49 | #undef DT_REG | |
50 | #undef DT_LNK | |
b6829693 ET |
51 | #define DT_UNKNOWN 0 |
52 | #define DT_DIR 1 | |
53 | #define DT_REG 2 | |
a15c1c60 | 54 | #define DT_LNK 3 |
b6829693 ET |
55 | #define DTYPE(de) DT_UNKNOWN |
56 | #endif | |
57 | ||
40689ae1 MK |
58 | /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ |
59 | #define S_IFINVALID 0030000 | |
60 | ||
9eec4795 LT |
61 | /* |
62 | * A "directory link" is a link to another git directory. | |
63 | * | |
64 | * The value 0160000 is not normally a valid mode, and | |
65 | * also just happens to be S_IFDIR + S_IFLNK | |
66 | * | |
67 | * NOTE! We *really* shouldn't depend on the S_IFxxx macros | |
68 | * always having the same values everywhere. We should use | |
69 | * our internal git values for these things, and then we can | |
70 | * translate that to the OS-specific value. It just so | |
71 | * happens that everybody shares the same bit representation | |
72 | * in the UNIX world (and apparently wider too..) | |
73 | */ | |
302b9282 MW |
74 | #define S_IFGITLINK 0160000 |
75 | #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) | |
9eec4795 | 76 | |
2386d658 LT |
77 | /* |
78 | * Intensive research over the course of many years has shown that | |
79 | * port 9418 is totally unused by anything else. Or | |
80 | * | |
81 | * Your search - "port 9418" - did not match any documents. | |
82 | * | |
83 | * as www.google.com puts it. | |
ba8a4970 LT |
84 | * |
85 | * This port has been properly assigned for git use by IANA: | |
86 | * git (Assigned-9418) [I06-050728-0001]. | |
87 | * | |
88 | * git 9418/tcp git pack transfer service | |
89 | * git 9418/udp git pack transfer service | |
90 | * | |
91 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
92 | * contact. September 2005. | |
93 | * | |
94 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
95 | */ |
96 | #define DEFAULT_GIT_PORT 9418 | |
97 | ||
e83c5163 LT |
98 | /* |
99 | * Basic data structures for the directory cache | |
e83c5163 LT |
100 | */ |
101 | ||
102 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
103 | struct cache_header { | |
7800c1eb TG |
104 | uint32_t hdr_signature; |
105 | uint32_t hdr_version; | |
106 | uint32_t hdr_entries; | |
e83c5163 LT |
107 | }; |
108 | ||
9d227781 JH |
109 | #define INDEX_FORMAT_LB 2 |
110 | #define INDEX_FORMAT_UB 4 | |
111 | ||
e83c5163 LT |
112 | /* |
113 | * The "cache_time" is just the low 32 bits of the | |
114 | * time. It doesn't matter if it overflows - we only | |
115 | * check it for equality in the 32 bits we save. | |
116 | */ | |
117 | struct cache_time { | |
7800c1eb TG |
118 | uint32_t sec; |
119 | uint32_t nsec; | |
e83c5163 LT |
120 | }; |
121 | ||
c21d39d7 MH |
122 | struct stat_data { |
123 | struct cache_time sd_ctime; | |
124 | struct cache_time sd_mtime; | |
125 | unsigned int sd_dev; | |
126 | unsigned int sd_ino; | |
127 | unsigned int sd_uid; | |
128 | unsigned int sd_gid; | |
129 | unsigned int sd_size; | |
130 | }; | |
131 | ||
e83c5163 | 132 | struct cache_entry { |
c21d39d7 | 133 | struct stat_data ce_stat_data; |
ccc4feb5 | 134 | unsigned int ce_mode; |
7a51ed66 | 135 | unsigned int ce_flags; |
b60e188c | 136 | unsigned int ce_namelen; |
e83c5163 | 137 | unsigned char sha1[20]; |
eb7a2f1d | 138 | struct cache_entry *next; |
8f1d2e6f | 139 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
140 | }; |
141 | ||
95fd5bf8 | 142 | #define CE_STAGEMASK (0x3000) |
16ce2e4c | 143 | #define CE_EXTENDED (0x4000) |
5f73076c | 144 | #define CE_VALID (0x8000) |
aee46198 | 145 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 146 | |
06aaaa0b NTND |
147 | /* |
148 | * Range 0xFFFF0000 in ce_flags is divided into | |
149 | * two parts: in-memory flags and on-disk ones. | |
150 | * Flags in CE_EXTENDED_FLAGS will get saved on-disk | |
151 | * if you want to save a new flag, add it in | |
152 | * CE_EXTENDED_FLAGS | |
153 | * | |
154 | * In-memory only flags | |
155 | */ | |
2977ffbb NTND |
156 | #define CE_UPDATE (1 << 16) |
157 | #define CE_REMOVE (1 << 17) | |
158 | #define CE_UPTODATE (1 << 18) | |
159 | #define CE_ADDED (1 << 19) | |
a22c6371 | 160 | |
2977ffbb NTND |
161 | #define CE_HASHED (1 << 20) |
162 | #define CE_UNHASHED (1 << 21) | |
163 | #define CE_WT_REMOVE (1 << 22) /* remove in work directory */ | |
164 | #define CE_CONFLICTED (1 << 23) | |
7a51ed66 | 165 | |
2977ffbb | 166 | #define CE_UNPACKED (1 << 24) |
2431afbf | 167 | #define CE_NEW_SKIP_WORKTREE (1 << 25) |
da165f47 | 168 | |
e721c154 NTND |
169 | /* used to temporarily mark paths matched by pathspecs */ |
170 | #define CE_MATCHED (1 << 26) | |
171 | ||
06aaaa0b NTND |
172 | /* |
173 | * Extended on-disk flags | |
174 | */ | |
2977ffbb NTND |
175 | #define CE_INTENT_TO_ADD (1 << 29) |
176 | #define CE_SKIP_WORKTREE (1 << 30) | |
06aaaa0b | 177 | /* CE_EXTENDED2 is for future extension */ |
2977ffbb | 178 | #define CE_EXTENDED2 (1 << 31) |
06aaaa0b | 179 | |
44a36913 | 180 | #define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE) |
06aaaa0b NTND |
181 | |
182 | /* | |
183 | * Safeguard to avoid saving wrong flags: | |
184 | * - CE_EXTENDED2 won't get saved until its semantic is known | |
185 | * - Bits in 0x0000FFFF have been saved in ce_flags already | |
186 | * - Bits in 0x003F0000 are currently in-memory flags | |
187 | */ | |
188 | #if CE_EXTENDED_FLAGS & 0x803FFFFF | |
189 | #error "CE_EXTENDED_FLAGS out of range" | |
190 | #endif | |
191 | ||
64acde94 NTND |
192 | struct pathspec; |
193 | ||
eb7a2f1d LT |
194 | /* |
195 | * Copy the sha1 and stat state of a cache entry from one to | |
196 | * another. But we never change the name, or the hash state! | |
197 | */ | |
198 | #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED) | |
20d142b4 RS |
199 | static inline void copy_cache_entry(struct cache_entry *dst, |
200 | const struct cache_entry *src) | |
eb7a2f1d LT |
201 | { |
202 | unsigned int state = dst->ce_flags & CE_STATE_MASK; | |
203 | ||
204 | /* Don't copy hash chain and name */ | |
205 | memcpy(dst, src, offsetof(struct cache_entry, next)); | |
206 | ||
207 | /* Restore the hash state */ | |
208 | dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state; | |
209 | } | |
210 | ||
b60e188c | 211 | static inline unsigned create_ce_flags(unsigned stage) |
7fec10b7 | 212 | { |
b60e188c | 213 | return (stage << CE_STAGESHIFT); |
7fec10b7 JH |
214 | } |
215 | ||
b60e188c | 216 | #define ce_namelen(ce) ((ce)->ce_namelen) |
aee46198 | 217 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) |
7a51ed66 | 218 | #define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT) |
eadb5831 | 219 | #define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE) |
44a36913 | 220 | #define ce_skip_worktree(ce) ((ce)->ce_flags & CE_SKIP_WORKTREE) |
eadb5831 | 221 | #define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE) |
aee46198 | 222 | |
e4479470 | 223 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
224 | static inline unsigned int create_ce_mode(unsigned int mode) |
225 | { | |
8ae0a8c5 | 226 | if (S_ISLNK(mode)) |
7a51ed66 | 227 | return S_IFLNK; |
302b9282 | 228 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
7a51ed66 LT |
229 | return S_IFGITLINK; |
230 | return S_IFREG | ce_permissions(mode); | |
8ae0a8c5 | 231 | } |
20d142b4 RS |
232 | static inline unsigned int ce_mode_from_stat(const struct cache_entry *ce, |
233 | unsigned int mode) | |
185c975f | 234 | { |
78a8d641 JS |
235 | extern int trust_executable_bit, has_symlinks; |
236 | if (!has_symlinks && S_ISREG(mode) && | |
7a51ed66 | 237 | ce && S_ISLNK(ce->ce_mode)) |
78a8d641 | 238 | return ce->ce_mode; |
185c975f | 239 | if (!trust_executable_bit && S_ISREG(mode)) { |
7a51ed66 | 240 | if (ce && S_ISREG(ce->ce_mode)) |
185c975f JH |
241 | return ce->ce_mode; |
242 | return create_ce_mode(0666); | |
243 | } | |
244 | return create_ce_mode(mode); | |
245 | } | |
d6b8fc30 JH |
246 | static inline int ce_to_dtype(const struct cache_entry *ce) |
247 | { | |
248 | unsigned ce_mode = ntohl(ce->ce_mode); | |
249 | if (S_ISREG(ce_mode)) | |
250 | return DT_REG; | |
251 | else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode)) | |
252 | return DT_DIR; | |
253 | else if (S_ISLNK(ce_mode)) | |
254 | return DT_LNK; | |
255 | else | |
256 | return DT_UNKNOWN; | |
257 | } | |
b90d9b88 RS |
258 | static inline unsigned int canon_mode(unsigned int mode) |
259 | { | |
260 | if (S_ISREG(mode)) | |
261 | return S_IFREG | ce_permissions(mode); | |
262 | if (S_ISLNK(mode)) | |
263 | return S_IFLNK; | |
264 | if (S_ISDIR(mode)) | |
265 | return S_IFDIR; | |
266 | return S_IFGITLINK; | |
267 | } | |
e4479470 | 268 | |
ee7825b5 | 269 | #define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1) |
f5cabd13 | 270 | |
228e94f9 JH |
271 | struct index_state { |
272 | struct cache_entry **cache; | |
9d227781 | 273 | unsigned int version; |
228e94f9 | 274 | unsigned int cache_nr, cache_alloc, cache_changed; |
cfc5789a | 275 | struct string_list *resolve_undo; |
228e94f9 | 276 | struct cache_tree *cache_tree; |
fba2f38a | 277 | struct cache_time timestamp; |
913e0e99 JH |
278 | unsigned name_hash_initialized : 1, |
279 | initialized : 1; | |
cf558704 | 280 | struct hash_table name_hash; |
2092678c | 281 | struct hash_table dir_hash; |
228e94f9 JH |
282 | }; |
283 | ||
284 | extern struct index_state the_index; | |
285 | ||
96872bc2 LT |
286 | /* Name hashing */ |
287 | extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); | |
2092678c KB |
288 | extern void remove_name_hash(struct index_state *istate, struct cache_entry *ce); |
289 | extern void free_name_hash(struct index_state *istate); | |
96872bc2 LT |
290 | |
291 | ||
4aab5b46 | 292 | #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS |
228e94f9 JH |
293 | #define active_cache (the_index.cache) |
294 | #define active_nr (the_index.cache_nr) | |
295 | #define active_alloc (the_index.cache_alloc) | |
296 | #define active_cache_changed (the_index.cache_changed) | |
297 | #define active_cache_tree (the_index.cache_tree) | |
e83c5163 | 298 | |
4aab5b46 JH |
299 | #define read_cache() read_index(&the_index) |
300 | #define read_cache_from(path) read_index_from(&the_index, (path)) | |
671c9b7e | 301 | #define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec)) |
fa7b3c2f | 302 | #define is_cache_unborn() is_index_unborn(&the_index) |
e46bbcf6 | 303 | #define read_cache_unmerged() read_index_unmerged(&the_index) |
4aab5b46 JH |
304 | #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd)) |
305 | #define discard_cache() discard_index(&the_index) | |
94a5728c | 306 | #define unmerged_cache() unmerged_index(&the_index) |
4aab5b46 JH |
307 | #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen)) |
308 | #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) | |
81dc2307 | 309 | #define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name)) |
4aab5b46 JH |
310 | #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) |
311 | #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) | |
38ed1d89 JH |
312 | #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags)) |
313 | #define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) | |
3deffc52 | 314 | #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL) |
4bd5b7da JH |
315 | #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) |
316 | #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) | |
db5360f3 ES |
317 | #define cache_dir_exists(name, namelen) index_dir_exists(&the_index, (name), (namelen)) |
318 | #define cache_file_exists(name, namelen, igncase) index_file_exists(&the_index, (name), (namelen), (igncase)) | |
cd2fef59 | 319 | #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) |
98fa4738 | 320 | #define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) |
cfc5789a | 321 | #define resolve_undo_clear() resolve_undo_clear_index(&the_index) |
8aa38563 | 322 | #define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at) |
4421a823 | 323 | #define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec) |
ff366825 | 324 | #define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz)) |
4aab5b46 | 325 | #endif |
e83c5163 | 326 | |
edaec3fb JH |
327 | enum object_type { |
328 | OBJ_BAD = -1, | |
329 | OBJ_NONE = 0, | |
330 | OBJ_COMMIT = 1, | |
331 | OBJ_TREE = 2, | |
332 | OBJ_BLOB = 3, | |
333 | OBJ_TAG = 4, | |
334 | /* 5 for future expansion */ | |
335 | OBJ_OFS_DELTA = 6, | |
336 | OBJ_REF_DELTA = 7, | |
355885d5 | 337 | OBJ_ANY, |
4b05548f | 338 | OBJ_MAX |
edaec3fb JH |
339 | }; |
340 | ||
b45563a2 JH |
341 | static inline enum object_type object_type(unsigned int mode) |
342 | { | |
343 | return S_ISDIR(mode) ? OBJ_TREE : | |
344 | S_ISGITLINK(mode) ? OBJ_COMMIT : | |
345 | OBJ_BLOB; | |
346 | } | |
347 | ||
2163e5db | 348 | /* Double-check local_repo_env below if you add to this list. */ |
8ac069ac | 349 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
a1bea2c1 | 350 | #define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE" |
892c41b9 | 351 | #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" |
a6f7f9a3 | 352 | #define GIT_PREFIX_ENVIRONMENT "GIT_PREFIX" |
8ac069ac | 353 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" |
d19938ab | 354 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 355 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 356 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
d4ebc36c JH |
357 | #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" |
358 | #define CONFIG_ENVIRONMENT "GIT_CONFIG" | |
2b64fc89 | 359 | #define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS" |
d4ebc36c | 360 | #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" |
0454dd93 | 361 | #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" |
6476b38b | 362 | #define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS" |
d0bfd026 JH |
363 | #define GITATTRIBUTES_FILE ".gitattributes" |
364 | #define INFOATTRIBUTES_FILE "info/attributes" | |
f48fd688 | 365 | #define ATTRIBUTE_MACRO_PREFIX "[attr]" |
a97a7468 JS |
366 | #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF" |
367 | #define GIT_NOTES_DEFAULT_REF "refs/notes/commits" | |
894a9d33 | 368 | #define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF" |
6956f858 TR |
369 | #define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF" |
370 | #define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE" | |
823ab40f | 371 | #define GIT_LITERAL_PATHSPECS_ENVIRONMENT "GIT_LITERAL_PATHSPECS" |
bd30c2e4 NTND |
372 | #define GIT_GLOB_PATHSPECS_ENVIRONMENT "GIT_GLOB_PATHSPECS" |
373 | #define GIT_NOGLOB_PATHSPECS_ENVIRONMENT "GIT_NOGLOB_PATHSPECS" | |
93d93537 | 374 | #define GIT_ICASE_PATHSPECS_ENVIRONMENT "GIT_ICASE_PATHSPECS" |
bb233d69 | 375 | |
48a7c1c4 | 376 | /* |
2cd83d10 JK |
377 | * This environment variable is expected to contain a boolean indicating |
378 | * whether we should or should not treat: | |
379 | * | |
380 | * GIT_DIR=foo.git git ... | |
381 | * | |
382 | * as if GIT_WORK_TREE=. was given. It's not expected that users will make use | |
383 | * of this, but we use it internally to communicate to sub-processes that we | |
384 | * are in a bare repo. If not set, defaults to true. | |
385 | */ | |
386 | #define GIT_IMPLICIT_WORK_TREE_ENVIRONMENT "GIT_IMPLICIT_WORK_TREE" | |
387 | ||
48a7c1c4 | 388 | /* |
2163e5db JK |
389 | * Repository-local GIT_* environment variables; these will be cleared |
390 | * when git spawns a sub-process that runs inside another repository. | |
391 | * The array is NULL-terminated, which makes it easy to pass in the "env" | |
392 | * parameter of a run-command invocation, or to do a simple walk. | |
48a7c1c4 | 393 | */ |
2163e5db | 394 | extern const char * const local_repo_env[]; |
48a7c1c4 | 395 | |
7d1864ce JH |
396 | extern int is_bare_repository_cfg; |
397 | extern int is_bare_repository(void); | |
68025633 | 398 | extern int is_inside_git_dir(void); |
e90fdc39 | 399 | extern char *git_work_tree_cfg; |
892c41b9 | 400 | extern int is_inside_work_tree(void); |
c5fba16c | 401 | extern const char *get_git_dir(void); |
b3256eb8 | 402 | extern int is_git_directory(const char *path); |
8ac069ac JH |
403 | extern char *get_object_directory(void); |
404 | extern char *get_index_file(void); | |
5da5c8f4 | 405 | extern char *get_graft_file(void); |
d7ac12b2 | 406 | extern int set_git_dir(const char *path); |
a1bea2c1 JT |
407 | extern const char *get_git_namespace(void); |
408 | extern const char *strip_namespace(const char *namespaced_ref); | |
e90fdc39 | 409 | extern const char *get_git_work_tree(void); |
13d6ec91 | 410 | extern const char *read_gitfile(const char *path); |
abc06822 | 411 | extern const char *resolve_gitdir(const char *suspect); |
19757d80 | 412 | extern void set_git_work_tree(const char *tree); |
8ac069ac JH |
413 | |
414 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 415 | |
6b5ee137 | 416 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
59f0f2f3 | 417 | extern void setup_work_tree(void); |
4ca06608 | 418 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 419 | extern const char *setup_git_directory(void); |
edc54fb5 | 420 | extern char *prefix_path(const char *prefix, int len, const char *path); |
645a29c4 | 421 | extern char *prefix_path_gently(const char *prefix, int len, int *remaining, const char *path); |
4ca06608 | 422 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
c6e8c800 | 423 | extern int check_filename(const char *prefix, const char *name); |
023e37c3 MM |
424 | extern void verify_filename(const char *prefix, |
425 | const char *name, | |
426 | int diagnose_misspelt_rev); | |
ea92f41f | 427 | extern void verify_non_filename(const char *prefix, const char *name); |
546e0fd9 | 428 | extern int path_inside_repo(const char *prefix, const char *path); |
d288a700 | 429 | |
f225aeb2 DB |
430 | #define INIT_DB_QUIET 0x0001 |
431 | ||
b57fb80a | 432 | extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int); |
f225aeb2 DB |
433 | extern int init_db(const char *template_dir, unsigned int flags); |
434 | ||
1d999ddd TR |
435 | extern void sanitize_stdfds(void); |
436 | ||
e83c5163 LT |
437 | #define alloc_nr(x) (((x)+16)*3/2) |
438 | ||
6815e569 JK |
439 | /* |
440 | * Realloc the buffer pointed at by variable 'x' so that it can hold | |
441 | * at least 'nr' entries; the number of entries currently allocated | |
442 | * is 'alloc', using the standard growing factor alloc_nr() macro. | |
443 | * | |
01f6fd4b | 444 | * DO NOT USE any expression with side-effect for 'x', 'nr', or 'alloc'. |
6815e569 JK |
445 | */ |
446 | #define ALLOC_GROW(x, nr, alloc) \ | |
447 | do { \ | |
c927e6c6 | 448 | if ((nr) > alloc) { \ |
4234a761 JH |
449 | if (alloc_nr(alloc) < (nr)) \ |
450 | alloc = (nr); \ | |
451 | else \ | |
452 | alloc = alloc_nr(alloc); \ | |
6815e569 JK |
453 | x = xrealloc((x), alloc * sizeof(*(x))); \ |
454 | } \ | |
98746061 | 455 | } while (0) |
6815e569 | 456 | |
734aab75 | 457 | /* Initialize and use the cache information */ |
4aab5b46 | 458 | extern int read_index(struct index_state *); |
5ab2a2da | 459 | extern int read_index_preload(struct index_state *, const struct pathspec *pathspec); |
4aab5b46 | 460 | extern int read_index_from(struct index_state *, const char *path); |
fa7b3c2f | 461 | extern int is_index_unborn(struct index_state *); |
e46bbcf6 | 462 | extern int read_index_unmerged(struct index_state *); |
e1afca4f | 463 | extern int write_index(struct index_state *, int newfd); |
4aab5b46 | 464 | extern int discard_index(struct index_state *); |
d1f128b0 | 465 | extern int unmerged_index(const struct index_state *); |
8dcf39c4 | 466 | extern int verify_path(const char *path); |
db5360f3 ES |
467 | extern struct cache_entry *index_dir_exists(struct index_state *istate, const char *name, int namelen); |
468 | extern struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase); | |
cd2fef59 | 469 | extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase); |
d1f128b0 | 470 | extern int index_name_pos(const struct index_state *, const char *name, int namelen); |
192268c1 JH |
471 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
472 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 473 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
af3785dc | 474 | #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ |
39425819 | 475 | #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ |
4aab5b46 | 476 | extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); |
81dc2307 | 477 | extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); |
4aab5b46 | 478 | extern int remove_index_entry_at(struct index_state *, int pos); |
36419c8e | 479 | extern void remove_marked_cache_entries(struct index_state *istate); |
4aab5b46 | 480 | extern int remove_file_from_index(struct index_state *, const char *path); |
38ed1d89 JH |
481 | #define ADD_CACHE_VERBOSE 1 |
482 | #define ADD_CACHE_PRETEND 2 | |
01665924 | 483 | #define ADD_CACHE_IGNORE_ERRORS 4 |
041aee31 | 484 | #define ADD_CACHE_IGNORE_REMOVAL 8 |
39425819 | 485 | #define ADD_CACHE_INTENT 16 |
71c7b053 | 486 | #define ADD_CACHE_IMPLICIT_DOT 32 /* internal to "git add -u/-A" */ |
38ed1d89 JH |
487 | extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); |
488 | extern int add_file_to_index(struct index_state *, const char *path, int flags); | |
6640f881 | 489 | extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); |
9c5e6c80 | 490 | extern int ce_same_name(const struct cache_entry *a, const struct cache_entry *b); |
98fa4738 | 491 | extern int index_name_is_other(const struct index_state *, const char *, int); |
ff366825 | 492 | extern void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *); |
4bd5b7da JH |
493 | |
494 | /* do stat comparison even if CE_VALID is true */ | |
495 | #define CE_MATCH_IGNORE_VALID 01 | |
496 | /* do not check the contents but report dirty on racily-clean entries */ | |
56cac48c NTND |
497 | #define CE_MATCH_RACY_IS_DIRTY 02 |
498 | /* do stat comparison even if CE_SKIP_WORKTREE is true */ | |
499 | #define CE_MATCH_IGNORE_SKIP_WORKTREE 04 | |
21a6b9fa RS |
500 | extern int ie_match_stat(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int); |
501 | extern int ie_modified(const struct index_state *, const struct cache_entry *, struct stat *, unsigned int); | |
4bd5b7da | 502 | |
eb9cb55b | 503 | extern int ce_path_match(const struct cache_entry *ce, const struct pathspec *pathspec); |
c4ce46fc JH |
504 | |
505 | #define HASH_WRITE_OBJECT 1 | |
506 | #define HASH_FORMAT_CHECK 2 | |
507 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags); | |
508 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags); | |
c21d39d7 MH |
509 | |
510 | /* | |
511 | * Record to sd the data from st that we use to check whether a file | |
512 | * might have changed. | |
513 | */ | |
514 | extern void fill_stat_data(struct stat_data *sd, struct stat *st); | |
515 | ||
516 | /* | |
517 | * Return 0 if st is consistent with a file not having been changed | |
518 | * since sd was filled. If there are differences, return a | |
519 | * combination of MTIME_CHANGED, CTIME_CHANGED, OWNER_CHANGED, | |
520 | * INODE_CHANGED, and DATA_CHANGED. | |
521 | */ | |
522 | extern int match_stat_data(const struct stat_data *sd, struct stat *st); | |
523 | ||
415e96c8 JH |
524 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
525 | ||
405e5b2f LT |
526 | #define REFRESH_REALLY 0x0001 /* ignore_valid */ |
527 | #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ | |
528 | #define REFRESH_QUIET 0x0004 /* be quiet about it */ | |
529 | #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ | |
3f1b7b60 | 530 | #define REFRESH_IGNORE_SUBMODULES 0x0010 /* ignore submodules */ |
43673fdd | 531 | #define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */ |
9b2d6149 | 532 | extern int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg); |
405e5b2f | 533 | |
021b6e45 JH |
534 | struct lock_file { |
535 | struct lock_file *next; | |
4723ee99 | 536 | int fd; |
5e635e39 | 537 | pid_t owner; |
1084b845 | 538 | char on_list; |
021b6e45 | 539 | char filename[PATH_MAX]; |
415e96c8 | 540 | }; |
acd3b9ec JH |
541 | #define LOCK_DIE_ON_ERROR 1 |
542 | #define LOCK_NODEREF 2 | |
1b018fd9 | 543 | extern int unable_to_lock_error(const char *path, int err); |
e43a6fd3 | 544 | extern NORETURN void unable_to_lock_index_die(const char *path, int err); |
40aaae88 | 545 | extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); |
ea3cd5c7 | 546 | extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); |
021b6e45 | 547 | extern int commit_lock_file(struct lock_file *); |
ccdc4ec3 | 548 | extern void update_index_if_able(struct index_state *, struct lock_file *); |
30ca07a2 JH |
549 | |
550 | extern int hold_locked_index(struct lock_file *, int); | |
551 | extern int commit_locked_index(struct lock_file *); | |
5e7f56ac | 552 | extern void set_alternate_index_output(const char *); |
d6cf61bf | 553 | extern int close_lock_file(struct lock_file *); |
021b6e45 | 554 | extern void rollback_lock_file(struct lock_file *); |
eca35a25 | 555 | extern int delete_ref(const char *, const unsigned char *sha1, int delopt); |
734aab75 | 556 | |
2ae1c53b | 557 | /* Environment bits from configuration mechanism */ |
17712991 | 558 | extern int trust_executable_bit; |
1ce4790b | 559 | extern int trust_ctime; |
c08e4d5b | 560 | extern int check_stat; |
9378c161 | 561 | extern int quote_path_fully; |
78a8d641 | 562 | extern int has_symlinks; |
dce96489 | 563 | extern int minimum_abbrev, default_abbrev; |
0a9b88b7 | 564 | extern int ignore_case; |
5f73076c | 565 | extern int assume_unchanged; |
9f0bb90d | 566 | extern int prefer_symlink_refs; |
6de08ae6 | 567 | extern int log_all_ref_updates; |
2f8acdb3 | 568 | extern int warn_ambiguous_refs; |
25fba78d | 569 | extern int warn_on_object_refname_ambiguity; |
457f06d6 | 570 | extern int shared_repository; |
2ae1c53b | 571 | extern const char *apply_default_whitespace; |
86c91f91 | 572 | extern const char *apply_default_ignorewhitespace; |
64589a03 | 573 | extern const char *git_attributes_file; |
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; |
568508e7 | 581 | extern unsigned long pack_size_limit_cfg; |
dae556bd | 582 | extern int read_replace_refs; |
aafe9fba | 583 | extern int fsync_object_files; |
671c9b7e | 584 | extern int core_preload_index; |
08aefc9e | 585 | extern int core_apply_sparse_checkout; |
76759c7d | 586 | extern int precomposed_unicode; |
17712991 | 587 | |
eff80a9f JH |
588 | /* |
589 | * The character that begins a commented line in user-editable file | |
590 | * that is subject to stripspace. | |
591 | */ | |
592 | extern char comment_line_char; | |
593 | ||
9ed36cfa | 594 | enum branch_track { |
9188ed89 | 595 | BRANCH_TRACK_UNSPECIFIED = -1, |
9ed36cfa JS |
596 | BRANCH_TRACK_NEVER = 0, |
597 | BRANCH_TRACK_REMOTE, | |
598 | BRANCH_TRACK_ALWAYS, | |
599 | BRANCH_TRACK_EXPLICIT, | |
4b05548f | 600 | BRANCH_TRACK_OVERRIDE |
9ed36cfa JS |
601 | }; |
602 | ||
c998ae9b DS |
603 | enum rebase_setup_type { |
604 | AUTOREBASE_NEVER = 0, | |
605 | AUTOREBASE_LOCAL, | |
606 | AUTOREBASE_REMOTE, | |
4b05548f | 607 | AUTOREBASE_ALWAYS |
c998ae9b DS |
608 | }; |
609 | ||
52153747 | 610 | enum push_default_type { |
52153747 FAG |
611 | PUSH_DEFAULT_NOTHING = 0, |
612 | PUSH_DEFAULT_MATCHING, | |
b55e6775 | 613 | PUSH_DEFAULT_SIMPLE, |
53c40311 | 614 | PUSH_DEFAULT_UPSTREAM, |
f25950f3 CT |
615 | PUSH_DEFAULT_CURRENT, |
616 | PUSH_DEFAULT_UNSPECIFIED | |
52153747 FAG |
617 | }; |
618 | ||
9ed36cfa | 619 | extern enum branch_track git_branch_track; |
c998ae9b | 620 | extern enum rebase_setup_type autorebase; |
52153747 | 621 | extern enum push_default_type push_default; |
9ed36cfa | 622 | |
348df166 JS |
623 | enum object_creation_mode { |
624 | OBJECT_CREATION_USES_HARDLINKS = 0, | |
4b05548f | 625 | OBJECT_CREATION_USES_RENAMES = 1 |
348df166 JS |
626 | }; |
627 | ||
628 | extern enum object_creation_mode object_creation_mode; | |
be66a6c4 | 629 | |
a97a7468 JS |
630 | extern char *notes_ref_name; |
631 | ||
7f3140cd JS |
632 | extern int grafts_replace_parents; |
633 | ||
ab9cb76f JH |
634 | #define GIT_REPO_VERSION 0 |
635 | extern int repository_format_version; | |
636 | extern int check_repository_format(void); | |
637 | ||
734aab75 LT |
638 | #define MTIME_CHANGED 0x0001 |
639 | #define CTIME_CHANGED 0x0002 | |
640 | #define OWNER_CHANGED 0x0004 | |
641 | #define MODE_CHANGED 0x0008 | |
642 | #define INODE_CHANGED 0x0010 | |
643 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 644 | #define TYPE_CHANGED 0x0040 |
e83c5163 | 645 | |
108bebea AR |
646 | extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) |
647 | __attribute__((format (printf, 3, 4))); | |
fe2d7776 AR |
648 | extern char *git_snpath(char *buf, size_t n, const char *fmt, ...) |
649 | __attribute__((format (printf, 3, 4))); | |
aba13e7c AR |
650 | extern char *git_pathdup(const char *fmt, ...) |
651 | __attribute__((format (printf, 1, 2))); | |
21cf3227 HKNN |
652 | extern char *mkpathdup(const char *fmt, ...) |
653 | __attribute__((format (printf, 1, 2))); | |
108bebea | 654 | |
e83c5163 | 655 | /* Return a statically allocated filename matching the sha1 signature */ |
4ec99bf0 TS |
656 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
657 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
0bad611b HV |
658 | extern char *git_path_submodule(const char *path, const char *fmt, ...) |
659 | __attribute__((format (printf, 2, 3))); | |
660 | ||
73134b6d | 661 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
662 | extern char *sha1_pack_name(const unsigned char *sha1); |
663 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 664 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 665 | extern const unsigned char null_sha1[20]; |
1a812f3a IM |
666 | |
667 | static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) | |
0bef57ee | 668 | { |
1a812f3a IM |
669 | int i; |
670 | ||
671 | for (i = 0; i < 20; i++, sha1++, sha2++) { | |
672 | if (*sha1 != *sha2) | |
673 | return *sha1 - *sha2; | |
674 | } | |
675 | ||
676 | return 0; | |
0bef57ee | 677 | } |
1a812f3a IM |
678 | |
679 | static inline int is_null_sha1(const unsigned char *sha1) | |
a89fccd2 | 680 | { |
1a812f3a | 681 | return !hashcmp(sha1, null_sha1); |
a89fccd2 | 682 | } |
1a812f3a | 683 | |
e702496e SP |
684 | static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) |
685 | { | |
686 | memcpy(sha_dst, sha_src, 20); | |
687 | } | |
a8e0d16d JH |
688 | static inline void hashclr(unsigned char *hash) |
689 | { | |
690 | memset(hash, 0, 20); | |
691 | } | |
e83c5163 | 692 | |
14d9c578 JK |
693 | #define EMPTY_TREE_SHA1_HEX \ |
694 | "4b825dc642cb6eb9a060e54bf8d69288fbee4904" | |
dab0d410 | 695 | #define EMPTY_TREE_SHA1_BIN_LITERAL \ |
14d9c578 JK |
696 | "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ |
697 | "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" | |
dab0d410 JN |
698 | #define EMPTY_TREE_SHA1_BIN \ |
699 | ((const unsigned char *) EMPTY_TREE_SHA1_BIN_LITERAL) | |
14d9c578 | 700 | |
f8582cad JK |
701 | #define EMPTY_BLOB_SHA1_HEX \ |
702 | "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391" | |
703 | #define EMPTY_BLOB_SHA1_BIN_LITERAL \ | |
704 | "\xe6\x9d\xe2\x9b\xb2\xd1\xd6\x43\x4b\x8b" \ | |
705 | "\x29\xae\x77\x5a\xd8\xc2\xe4\x8c\x53\x91" | |
706 | #define EMPTY_BLOB_SHA1_BIN \ | |
707 | ((const unsigned char *) EMPTY_BLOB_SHA1_BIN_LITERAL) | |
708 | ||
709 | static inline int is_empty_blob_sha1(const unsigned char *sha1) | |
710 | { | |
711 | return !hashcmp(sha1, EMPTY_BLOB_SHA1_BIN); | |
712 | } | |
713 | ||
f2db68ed HE |
714 | int git_mkstemp(char *path, size_t n, const char *template); |
715 | ||
003b33a8 DA |
716 | int git_mkstemps(char *path, size_t n, const char *template, int suffix_len); |
717 | ||
b862b61c MM |
718 | /* set default permissions by passing mode arguments to open(2) */ |
719 | int git_mkstemps_mode(char *pattern, int suffix_len, int mode); | |
720 | int git_mkstemp_mode(char *pattern, int mode); | |
721 | ||
06cbe855 HO |
722 | /* |
723 | * NOTE NOTE NOTE!! | |
724 | * | |
725 | * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must | |
726 | * not be changed. Old repositories have core.sharedrepository written in | |
727 | * numeric format, and therefore these values are preserved for compatibility | |
728 | * reasons. | |
729 | */ | |
94df2506 | 730 | enum sharedrepo { |
06cbe855 HO |
731 | PERM_UMASK = 0, |
732 | OLD_PERM_GROUP = 1, | |
733 | OLD_PERM_EVERYBODY = 2, | |
734 | PERM_GROUP = 0660, | |
4b05548f | 735 | PERM_EVERYBODY = 0664 |
94df2506 JH |
736 | }; |
737 | int git_config_perm(const char *var, const char *value); | |
3a429d3b | 738 | int adjust_shared_perm(const char *path); |
b2cb9425 | 739 | int safe_create_leading_directories(char *path); |
8e21d63b | 740 | int safe_create_leading_directories_const(const char *path); |
90a6464b | 741 | int mkdir_in_gitdir(const char *path); |
21cf3227 | 742 | extern void home_config_paths(char **global, char **xdg, char *file); |
395de250 | 743 | extern char *expand_user_path(const char *path); |
1c64b48e | 744 | const char *enter_repo(const char *path, int strict); |
e5392c51 JS |
745 | static inline int is_absolute_path(const char *path) |
746 | { | |
88135203 | 747 | return is_dir_sep(path[0]) || has_dos_drive_prefix(path); |
e5392c51 | 748 | } |
90b4a71c | 749 | int is_directory(const char *); |
e2a57aac | 750 | const char *real_path(const char *path); |
e3e46cdb | 751 | const char *real_path_if_valid(const char *path); |
e2a57aac | 752 | const char *absolute_path(const char *path); |
41894ae3 | 753 | const char *remove_leading_path(const char *in, const char *prefix); |
e02ca72f | 754 | const char *relative_path(const char *in, const char *prefix, struct strbuf *sb); |
645a29c4 | 755 | int normalize_path_copy_len(char *dst, const char *src, int *prefix_len); |
f3cad0ad | 756 | int normalize_path_copy(char *dst, const char *src); |
31171d9e | 757 | int longest_ancestor_length(const char *path, struct string_list *prefixes); |
4fcc86b0 | 758 | char *strip_path_suffix(const char *path, const char *suffix); |
34b6cb8b | 759 | int daemon_avoid_alias(const char *path); |
4bb43de2 | 760 | int offset_1st_component(const char *path); |
b2cb9425 | 761 | |
e1111cef | 762 | /* object replacement */ |
5bf29b95 JH |
763 | #define READ_SHA1_FILE_REPLACE 1 |
764 | extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag); | |
f5552aee CC |
765 | static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
766 | { | |
5bf29b95 JH |
767 | return read_sha1_file_extended(sha1, type, size, READ_SHA1_FILE_REPLACE); |
768 | } | |
e1111cef JH |
769 | extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1); |
770 | static inline const unsigned char *lookup_replace_object(const unsigned char *sha1) | |
771 | { | |
772 | if (!read_replace_refs) | |
773 | return sha1; | |
774 | return do_lookup_replace_object(sha1); | |
f5552aee | 775 | } |
e1111cef | 776 | |
e83c5163 | 777 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
21666f1a | 778 | extern int sha1_object_info(const unsigned char *, unsigned long *); |
ce9fbf16 | 779 | extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); |
c00e657d | 780 | extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
21666f1a | 781 | extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); |
bbac7311 | 782 | extern int force_object_loose(const unsigned char *sha1, time_t mtime); |
f0270efd | 783 | extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size); |
eb4f4076 | 784 | extern int unpack_sha1_header(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz); |
f0270efd | 785 | extern int parse_sha1_header(const char *hdr, unsigned long *sizep); |
8237b185 | 786 | |
0e8189e2 NP |
787 | /* global flag to enable extra checks when accessing packed objects */ |
788 | extern int do_check_packed_object_crc; | |
789 | ||
5d6ccf5c | 790 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 791 | |
839837b9 | 792 | extern int move_temp_to_file(const char *tmpfile, const char *filename); |
8237b185 | 793 | |
cd673c1f | 794 | extern int has_sha1_pack(const unsigned char *sha1); |
8237b185 | 795 | extern int has_sha1_file(const unsigned char *sha1); |
0f4dc14a | 796 | extern int has_loose_object_nonlocal(const unsigned char *sha1); |
8237b185 | 797 | |
bf592c50 DB |
798 | extern int has_pack_index(const unsigned char *sha1); |
799 | ||
40d52ff7 JK |
800 | extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect); |
801 | ||
192a6be2 LT |
802 | extern const signed char hexval_table[256]; |
803 | static inline unsigned int hexval(unsigned char c) | |
e49521b5 JH |
804 | { |
805 | return hexval_table[c]; | |
806 | } | |
807 | ||
e83c5163 | 808 | /* Convert to/from hex/sha1 representation */ |
dce96489 LT |
809 | #define MINIMUM_ABBREV minimum_abbrev |
810 | #define DEFAULT_ABBREV default_abbrev | |
46a6c262 | 811 | |
573285e5 CP |
812 | struct object_context { |
813 | unsigned char tree[20]; | |
814 | char path[PATH_MAX]; | |
815 | unsigned mode; | |
816 | }; | |
817 | ||
daba53ae JH |
818 | #define GET_SHA1_QUIETLY 01 |
819 | #define GET_SHA1_COMMIT 02 | |
820 | #define GET_SHA1_COMMITTISH 04 | |
821 | #define GET_SHA1_TREE 010 | |
822 | #define GET_SHA1_TREEISH 020 | |
823 | #define GET_SHA1_BLOB 040 | |
33bd598c | 824 | #define GET_SHA1_ONLY_TO_DIE 04000 |
37c00e55 | 825 | |
3c249c95 | 826 | extern int get_sha1(const char *str, unsigned char *sha1); |
daba53ae | 827 | extern int get_sha1_commit(const char *str, unsigned char *sha1); |
cd74e473 | 828 | extern int get_sha1_committish(const char *str, unsigned char *sha1); |
daba53ae JH |
829 | extern int get_sha1_tree(const char *str, unsigned char *sha1); |
830 | extern int get_sha1_treeish(const char *str, unsigned char *sha1); | |
831 | extern int get_sha1_blob(const char *str, unsigned char *sha1); | |
8c135ea2 | 832 | extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix); |
33bd598c | 833 | extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc); |
d4e85a1a | 834 | |
957d7406 JH |
835 | typedef int each_abbrev_fn(const unsigned char *sha1, void *); |
836 | extern int for_each_abbrev(const char *prefix, each_abbrev_fn, void *); | |
d4e85a1a MH |
837 | |
838 | /* | |
839 | * Try to read a SHA1 in hexadecimal format from the 40 characters | |
840 | * starting at hex. Write the 20-byte result to sha1 in binary form. | |
841 | * Return 0 on success. Reading stops if a NUL is encountered in the | |
842 | * input, so it is safe to pass this function an arbitrary | |
843 | * null-terminated string. | |
844 | */ | |
197ee8c9 | 845 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
d4e85a1a | 846 | |
197ee8c9 | 847 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ |
dfefa935 | 848 | extern int read_ref_full(const char *refname, unsigned char *sha1, |
c6893323 | 849 | int reading, int *flags); |
dfefa935 | 850 | extern int read_ref(const char *refname, unsigned char *sha1); |
7cb36842 MH |
851 | |
852 | /* | |
853 | * Resolve a reference, recursively following symbolic refererences. | |
854 | * | |
855 | * Store the referred-to object's name in sha1 and return the name of | |
856 | * the non-symbolic reference that ultimately pointed at it. The | |
857 | * return value, if not NULL, is a pointer into either a static buffer | |
858 | * or the input ref. | |
859 | * | |
860 | * If the reference cannot be resolved to an object, the behavior | |
861 | * depends on the "reading" argument: | |
862 | * | |
863 | * - If reading is set, return NULL. | |
864 | * | |
865 | * - If reading is not set, clear sha1 and return the name of the last | |
866 | * reference name in the chain, which will either be a non-symbolic | |
867 | * reference or an undefined reference. If this is a prelude to | |
868 | * "writing" to the ref, the return value is the name of the ref | |
869 | * that will actually be created or changed. | |
870 | * | |
871 | * If flag is non-NULL, set the value that it points to the | |
872 | * combination of REF_ISPACKED (if the reference was found among the | |
873 | * packed references) and REF_ISSYMREF (if the initial reference was a | |
874 | * symbolic reference). | |
875 | * | |
876 | * If ref is not a properly-formatted, normalized reference, return | |
877 | * NULL. If more than MAXDEPTH recursive symbolic lookups are needed, | |
878 | * give up and return NULL. | |
879 | * | |
880 | * errno is sometimes set on errors, but not always. | |
881 | */ | |
8cad4744 | 882 | extern const char *resolve_ref_unsafe(const char *ref, unsigned char *sha1, int reading, int *flag); |
96ec7b1e | 883 | extern char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag); |
7cb36842 | 884 | |
e86eb666 | 885 | extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); |
eb3a4822 | 886 | extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); |
cf99a761 | 887 | extern int interpret_branch_name(const char *str, int len, struct strbuf *); |
619a644d | 888 | extern int get_sha1_mb(const char *str, unsigned char *sha1); |
e86eb666 | 889 | |
79803322 SP |
890 | extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); |
891 | extern const char *ref_rev_parse_rules[]; | |
dd621df9 | 892 | #define ref_fetch_rules ref_rev_parse_rules |
79803322 | 893 | |
8b5157e4 | 894 | extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg); |
c847f537 | 895 | extern int validate_headref(const char *ref); |
e83c5163 | 896 | |
958ba6c9 | 897 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
0ab9e1e8 | 898 | extern int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 899 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
b60e188c | 900 | extern int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2); |
e83c5163 | 901 | |
40469ee9 | 902 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 903 | const char *required_type, |
40469ee9 JH |
904 | unsigned long *size, |
905 | unsigned char *sha1_ret); | |
f4913f91 | 906 | |
81776315 JH |
907 | extern struct object *peel_to_type(const char *name, int namelen, |
908 | struct object *o, enum object_type); | |
909 | ||
73013afd JH |
910 | enum date_mode { |
911 | DATE_NORMAL = 0, | |
912 | DATE_RELATIVE, | |
913 | DATE_SHORT, | |
914 | DATE_LOCAL, | |
915 | DATE_ISO8601, | |
7dff9b30 LT |
916 | DATE_RFC2822, |
917 | DATE_RAW | |
73013afd JH |
918 | }; |
919 | ||
f8493ec0 | 920 | const char *show_date(unsigned long time, int timezone, enum date_mode mode); |
7d29afd4 JN |
921 | void show_date_relative(unsigned long time, int tz, const struct timeval *now, |
922 | struct strbuf *timebuf); | |
2a39064c | 923 | int parse_date(const char *date, char *buf, int bufsize); |
9644c061 | 924 | int parse_date_basic(const char *date, unsigned long *timestamp, int *offset); |
3d27b9b0 | 925 | int parse_expiry_date(const char *date, unsigned long *timestamp); |
ecee9d9e | 926 | void datestamp(char *buf, int bufsize); |
93cfa7c7 JH |
927 | #define approxidate(s) approxidate_careful((s), NULL) |
928 | unsigned long approxidate_careful(const char *, int *); | |
33012fc4 | 929 | unsigned long approxidate_relative(const char *date, const struct timeval *now); |
856665f8 | 930 | enum date_mode parse_date_format(const char *format); |
ecee9d9e | 931 | |
f9bc573f | 932 | #define IDENT_STRICT 1 |
b9f0ac17 | 933 | #define IDENT_NO_DATE 2 |
c15e1987 | 934 | #define IDENT_NO_NAME 4 |
749be728 JH |
935 | extern const char *git_author_info(int); |
936 | extern const char *git_committer_info(int); | |
798123af | 937 | extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); |
d9ccfe77 | 938 | extern const char *fmt_name(const char *name, const char *email); |
bcb2b004 | 939 | extern const char *ident_default_email(void); |
44fcb497 | 940 | extern const char *git_editor(void); |
64778d24 | 941 | extern const char *git_pager(int stdout_is_tty); |
9597921b | 942 | extern int git_ident_config(const char *, const char *, void *); |
6aa33f40 | 943 | |
4b340cfa JH |
944 | struct ident_split { |
945 | const char *name_begin; | |
946 | const char *name_end; | |
947 | const char *mail_begin; | |
948 | const char *mail_end; | |
949 | const char *date_begin; | |
950 | const char *date_end; | |
951 | const char *tz_begin; | |
952 | const char *tz_end; | |
953 | }; | |
954 | /* | |
955 | * Signals an success with 0, but time part of the result may be NULL | |
956 | * if the input lacks timestamp and zone | |
957 | */ | |
958 | extern int split_ident_line(struct ident_split *, const char *, int); | |
959 | ||
662cc30c JK |
960 | /* |
961 | * Compare split idents for equality or strict ordering. Note that we | |
962 | * compare only the ident part of the line, ignoring any timestamp. | |
963 | * | |
964 | * Because there are two fields, we must choose one as the primary key; we | |
965 | * currently arbitrarily pick the email. | |
966 | */ | |
967 | extern int ident_cmp(const struct ident_split *, const struct ident_split *); | |
968 | ||
12dccc16 LT |
969 | struct checkout { |
970 | const char *base_dir; | |
971 | int base_dir_len; | |
972 | unsigned force:1, | |
973 | quiet:1, | |
974 | not_new:1, | |
975 | refresh_cache:1; | |
976 | }; | |
977 | ||
af2a651d | 978 | #define TEMPORARY_FILENAME_LENGTH 25 |
efbc5831 | 979 | extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); |
b9fd2846 LT |
980 | |
981 | struct cache_def { | |
982 | char path[PATH_MAX + 1]; | |
983 | int len; | |
984 | int flags; | |
985 | int track_flags; | |
986 | int prefix_len_stat_func; | |
987 | }; | |
988 | ||
57199892 | 989 | extern int has_symlink_leading_path(const char *name, int len); |
b9fd2846 | 990 | extern int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); |
f66caaf9 | 991 | extern int check_leading_path(const char *name, int len); |
57199892 | 992 | extern int has_dirs_only_path(const char *name, int len, int prefix_len); |
78478927 KB |
993 | extern void schedule_dir_for_removal(const char *name, int len); |
994 | extern void remove_scheduled_dirs(void); | |
12dccc16 | 995 | |
9a217f2a | 996 | extern struct alternate_object_database { |
d5a63b99 | 997 | struct alternate_object_database *next; |
9a217f2a | 998 | char *name; |
8f1d2e6f | 999 | char base[FLEX_ARRAY]; /* more */ |
d5a63b99 | 1000 | } *alt_odb_list; |
9a217f2a | 1001 | extern void prepare_alt_odb(void); |
5e73633d | 1002 | extern void read_info_alternates(const char * relative_base, int depth); |
bef70b22 | 1003 | extern void add_to_alternates_file(const char *reference); |
d79796bc JH |
1004 | typedef int alt_odb_fn(struct alternate_object_database *, void *); |
1005 | extern void foreach_alt_odb(alt_odb_fn, void*); | |
9a217f2a | 1006 | |
c41ee586 SP |
1007 | struct pack_window { |
1008 | struct pack_window *next; | |
1009 | unsigned char *base; | |
1010 | off_t offset; | |
1011 | size_t len; | |
1012 | unsigned int last_used; | |
1013 | unsigned int inuse_cnt; | |
1014 | }; | |
1015 | ||
9a217f2a JH |
1016 | extern struct packed_git { |
1017 | struct packed_git *next; | |
c41ee586 | 1018 | struct pack_window *windows; |
2dc3a234 | 1019 | off_t pack_size; |
57059091 NP |
1020 | const void *index_data; |
1021 | size_t index_size; | |
1022 | uint32_t num_objects; | |
8eca0b47 NP |
1023 | uint32_t num_bad_objects; |
1024 | unsigned char *bad_object_sha1; | |
42873078 | 1025 | int index_version; |
57059091 | 1026 | time_t mtime; |
9bc879c1 | 1027 | int pack_fd; |
8d25931d | 1028 | unsigned pack_local:1, |
d131b7af SP |
1029 | pack_keep:1, |
1030 | do_not_close:1; | |
bf592c50 | 1031 | unsigned char sha1[20]; |
8f1d2e6f JH |
1032 | /* something like ".git/objects/pack/xxxxx.pack" */ |
1033 | char pack_name[FLEX_ARRAY]; /* more */ | |
9a217f2a | 1034 | } *packed_git; |
f3bf9224 JH |
1035 | |
1036 | struct pack_entry { | |
c4001d92 | 1037 | off_t offset; |
f3bf9224 JH |
1038 | unsigned char sha1[20]; |
1039 | struct packed_git *p; | |
1040 | }; | |
1041 | ||
7b64469a | 1042 | extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path); |
bf592c50 | 1043 | |
543c5caa NTND |
1044 | /* A hook for count-objects to report invalid files in pack directory */ |
1045 | extern void (*report_garbage)(const char *desc, const char *path); | |
1046 | ||
9a217f2a | 1047 | extern void prepare_packed_git(void); |
fc04c412 | 1048 | extern void reprepare_packed_git(void); |
bf592c50 DB |
1049 | extern void install_packed_git(struct packed_git *pack); |
1050 | ||
a6080a0a | 1051 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, |
bf592c50 DB |
1052 | struct packed_git *packs); |
1053 | ||
276bc2ca | 1054 | extern void pack_report(void); |
d079837e | 1055 | extern int open_pack_index(struct packed_git *); |
fa5fc15d | 1056 | extern void close_pack_index(struct packed_git *); |
ef49a7a0 | 1057 | extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *); |
c9ced051 | 1058 | extern void close_pack_windows(struct packed_git *); |
03e79c88 | 1059 | extern void unuse_pack(struct pack_window **); |
c74faea1 | 1060 | extern void free_pack_by_name(const char *); |
3d20c636 | 1061 | extern void clear_delta_base_cache(void); |
42873078 | 1062 | extern struct packed_git *add_packed_git(const char *, int, int); |
d079837e | 1063 | extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); |
99093238 | 1064 | extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); |
c4001d92 | 1065 | extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); |
4c080182 | 1066 | extern int is_pack_valid(struct packed_git *); |
c4001d92 | 1067 | extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); |
09ded04b | 1068 | extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); |
54dab52a | 1069 | extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); |
f8c8abc5 | 1070 | extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *); |
9a217f2a | 1071 | |
9a490590 JH |
1072 | struct object_info { |
1073 | /* Request */ | |
5b086407 | 1074 | enum object_type *typep; |
9a490590 | 1075 | unsigned long *sizep; |
161f00e7 | 1076 | unsigned long *disk_sizep; |
9a490590 JH |
1077 | |
1078 | /* Response */ | |
1079 | enum { | |
1080 | OI_CACHED, | |
1081 | OI_LOOSE, | |
5266d369 JH |
1082 | OI_PACKED, |
1083 | OI_DBCACHED | |
9a490590 JH |
1084 | } whence; |
1085 | union { | |
1086 | /* | |
1087 | * struct { | |
1088 | * ... Nothing to expose in this case | |
1089 | * } cached; | |
1090 | * struct { | |
1091 | * ... Nothing to expose in this case | |
1092 | * } loose; | |
1093 | */ | |
1094 | struct { | |
1095 | struct packed_git *pack; | |
1096 | off_t offset; | |
1097 | unsigned int is_delta; | |
1098 | } packed; | |
1099 | } u; | |
1100 | }; | |
1101 | extern int sha1_object_info_extended(const unsigned char *, struct object_info *); | |
9a217f2a | 1102 | |
8f3f9b09 JH |
1103 | /* Dumb servers support */ |
1104 | extern int update_server_info(int); | |
1105 | ||
7a397419 MG |
1106 | /* git_config_parse_key() returns these negated: */ |
1107 | #define CONFIG_INVALID_KEY 1 | |
1108 | #define CONFIG_NO_SECTION_OR_NAME 2 | |
1109 | /* git_config_set(), git_config_set_multivar() return the above or these: */ | |
1110 | #define CONFIG_NO_LOCK -1 | |
1111 | #define CONFIG_INVALID_FILE 3 | |
1112 | #define CONFIG_NO_WRITE 4 | |
1113 | #define CONFIG_NOTHING_SET 5 | |
1114 | #define CONFIG_INVALID_PATTERN 6 | |
9409c7a5 | 1115 | #define CONFIG_GENERIC_ERROR 7 |
7a397419 | 1116 | |
ef90d6d4 JS |
1117 | typedef int (*config_fn_t)(const char *, const char *, void *); |
1118 | extern int git_default_config(const char *, const char *, void *); | |
1119 | extern int git_config_from_file(config_fn_t fn, const char *, void *); | |
1bc88819 HV |
1120 | extern int git_config_from_buf(config_fn_t fn, const char *name, |
1121 | const char *buf, size_t len, void *data); | |
2b64fc89 | 1122 | extern void git_config_push_parameter(const char *text); |
b3d83d9f | 1123 | extern int git_config_from_parameters(config_fn_t fn, void *data); |
ef90d6d4 | 1124 | extern int git_config(config_fn_t fn, void *); |
9b25a0b5 | 1125 | extern int git_config_with_options(config_fn_t fn, void *, |
1bc88819 HV |
1126 | const char *filename, |
1127 | const char *blob_ref, | |
1128 | int respect_includes); | |
dbdf5854 | 1129 | extern int git_config_early(config_fn_t fn, void *, const char *repo_config); |
0b87b6e0 | 1130 | extern int git_parse_ulong(const char *, unsigned long *); |
17712991 | 1131 | extern int git_config_int(const char *, const char *); |
00160242 | 1132 | extern int64_t git_config_int64(const char *, const char *); |
0b87b6e0 | 1133 | extern unsigned long git_config_ulong(const char *, const char *); |
a53f2ec6 | 1134 | extern int git_config_bool_or_int(const char *, const char *, int *); |
17712991 | 1135 | extern int git_config_bool(const char *, const char *); |
8420ccd8 | 1136 | extern int git_config_maybe_bool(const char *, const char *); |
ea5105a5 | 1137 | extern int git_config_string(const char **, const char *, const char *); |
395de250 | 1138 | extern int git_config_pathname(const char **, const char *, const char *); |
5ec31182 | 1139 | extern int git_config_set_in_file(const char *, const char *, const char *); |
10bea152 | 1140 | extern int git_config_set(const char *, const char *); |
b09c53a3 | 1141 | extern int git_config_parse_key(const char *, char **, int *); |
4ddba79d | 1142 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
5ec31182 | 1143 | extern int git_config_set_multivar_in_file(const char *, const char *, const char *, const char *, int); |
0667fcfb | 1144 | extern int git_config_rename_section(const char *, const char *); |
42bd39b5 | 1145 | extern int git_config_rename_section_in_file(const char *, const char *, const char *); |
506b17b1 | 1146 | extern const char *git_etc_gitconfig(void); |
ef90d6d4 | 1147 | extern int check_repository_format_version(const char *var, const char *value, void *cb); |
0ef37164 | 1148 | extern int git_env_bool(const char *, int); |
ab88c363 | 1149 | extern int git_config_system(void); |
40ea4ed9 | 1150 | extern int config_error_nonbool(const char *); |
5ded807f | 1151 | #if defined(__GNUC__) && ! defined(__clang__) |
a469a101 JK |
1152 | #define config_error_nonbool(s) (config_error_nonbool(s), -1) |
1153 | #endif | |
a6fa5992 PN |
1154 | extern const char *get_log_output_encoding(void); |
1155 | extern const char *get_commit_output_encoding(void); | |
1156 | ||
2496844b JK |
1157 | extern int git_config_parse_parameter(const char *, config_fn_t fn, void *data); |
1158 | ||
9b25a0b5 JK |
1159 | struct config_include_data { |
1160 | int depth; | |
1161 | config_fn_t fn; | |
1162 | void *data; | |
1163 | }; | |
1164 | #define CONFIG_INCLUDE_INIT { 0 } | |
1165 | extern int git_config_include(const char *name, const char *value, void *data); | |
17712991 | 1166 | |
1b86bbb0 JK |
1167 | /* |
1168 | * Match and parse a config key of the form: | |
1169 | * | |
1170 | * section.(subsection.)?key | |
1171 | * | |
1172 | * (i.e., what gets handed to a config_fn_t). The caller provides the section; | |
1173 | * we return -1 if it does not match, 0 otherwise. The subsection and key | |
1174 | * out-parameters are filled by the function (and subsection is NULL if it is | |
1175 | * missing). | |
1176 | */ | |
1177 | extern int parse_config_key(const char *var, | |
1178 | const char *section, | |
1179 | const char **subsection, int *subsection_len, | |
1180 | const char **key); | |
1181 | ||
d6991cee JK |
1182 | extern int committer_ident_sufficiently_given(void); |
1183 | extern int author_ident_sufficiently_given(void); | |
e1b10391 | 1184 | |
1a8f2741 | 1185 | extern const char *git_commit_encoding; |
3a55602e | 1186 | extern const char *git_log_output_encoding; |
d551a488 | 1187 | extern const char *git_mailmap_file; |
08610900 | 1188 | extern const char *git_mailmap_blob; |
4e72dcec | 1189 | |
06f59e9f TT |
1190 | /* IO helper functions */ |
1191 | extern void maybe_flush_or_die(FILE *, const char *); | |
f3123c4a | 1192 | extern int copy_fd(int ifd, int ofd); |
1468bd47 | 1193 | extern int copy_file(const char *dst, const char *src, int mode); |
f7835a25 | 1194 | extern int copy_file_with_time(const char *dst, const char *src, int mode); |
7230e6d0 | 1195 | extern void write_or_die(int fd, const void *buf, size_t count); |
6ce4e61f | 1196 | extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); |
e0814056 | 1197 | extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); |
4c81b03e | 1198 | extern void fsync_or_die(int fd, const char *); |
ad897215 | 1199 | |
2b7ca830 JM |
1200 | extern ssize_t read_in_full(int fd, void *buf, size_t count); |
1201 | extern ssize_t write_in_full(int fd, const void *buf, size_t count); | |
1202 | static inline ssize_t write_str_in_full(int fd, const char *str) | |
1203 | { | |
1204 | return write_in_full(fd, str, strlen(str)); | |
1205 | } | |
1206 | ||
f67b45f8 LT |
1207 | /* pager.c */ |
1208 | extern void setup_pager(void); | |
872da32d | 1209 | extern const char *pager_program; |
6e9af863 | 1210 | extern int pager_in_use(void); |
aa086eb8 | 1211 | extern int pager_use_color; |
ad6c3739 | 1212 | extern int term_columns(void); |
ec7ff5ba | 1213 | extern int decimal_width(int); |
4914c962 | 1214 | extern int check_pager_config(const char *cmd); |
f67b45f8 | 1215 | |
ee9601e6 | 1216 | extern const char *editor_program; |
d3e7da89 | 1217 | extern const char *askpass_program; |
dfb068be | 1218 | extern const char *excludes_file; |
4d87b9c5 | 1219 | |
051308f6 | 1220 | /* base85 */ |
f9815772 JM |
1221 | int decode_85(char *dst, const char *line, int linelen); |
1222 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 1223 | |
855419f7 | 1224 | /* alloc.c */ |
100c5f3b LT |
1225 | extern void *alloc_blob_node(void); |
1226 | extern void *alloc_tree_node(void); | |
1227 | extern void *alloc_commit_node(void); | |
1228 | extern void *alloc_tag_node(void); | |
1229 | extern void *alloc_object_node(void); | |
855419f7 LT |
1230 | extern void alloc_report(void); |
1231 | ||
6ce4e61f | 1232 | /* trace.c */ |
28bea9e5 | 1233 | __attribute__((format (printf, 1, 2))) |
6ce4e61f | 1234 | extern void trace_printf(const char *format, ...); |
28bea9e5 | 1235 | __attribute__((format (printf, 2, 3))) |
b319ce4c | 1236 | extern void trace_argv_printf(const char **argv, const char *format, ...); |
a9ca8a85 | 1237 | extern void trace_repo_setup(const char *prefix); |
39bc5e46 | 1238 | extern int trace_want(const char *key); |
94b3b374 | 1239 | extern void trace_strbuf(const char *key, const struct strbuf *buf); |
6ce4e61f | 1240 | |
bbc30f99 | 1241 | void packet_trace_identity(const char *prog); |
6ce4e61f | 1242 | |
b6ec1d61 | 1243 | /* add */ |
7ae02a30 AR |
1244 | /* |
1245 | * return 0 if success, 1 - if addition of a file failed and | |
1246 | * ADD_FILES_IGNORE_ERRORS was specified in flags | |
1247 | */ | |
3efe8e43 | 1248 | int add_files_to_cache(const char *prefix, const struct pathspec *pathspec, int flags); |
b6ec1d61 | 1249 | |
aecbf914 JH |
1250 | /* diff.c */ |
1251 | extern int diff_auto_refresh_index; | |
1252 | ||
68faf689 JH |
1253 | /* match-trees.c */ |
1254 | void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); | |
85e51b78 | 1255 | void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char *, const char *); |
68faf689 | 1256 | |
a9cc857a JH |
1257 | /* |
1258 | * whitespace rules. | |
1259 | * used by both diff and apply | |
f4b05a49 | 1260 | * last two digits are tab width |
a9cc857a | 1261 | */ |
f4b05a49 JS |
1262 | #define WS_BLANK_AT_EOL 0100 |
1263 | #define WS_SPACE_BEFORE_TAB 0200 | |
1264 | #define WS_INDENT_WITH_NON_TAB 0400 | |
1265 | #define WS_CR_AT_EOL 01000 | |
1266 | #define WS_BLANK_AT_EOF 02000 | |
1267 | #define WS_TAB_IN_INDENT 04000 | |
aeb84b05 | 1268 | #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) |
f4b05a49 JS |
1269 | #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB|8) |
1270 | #define WS_TAB_WIDTH_MASK 077 | |
cf1b7869 JH |
1271 | extern unsigned whitespace_rule_cfg; |
1272 | extern unsigned whitespace_rule(const char *); | |
1273 | extern unsigned parse_whitespace_rule(const char *); | |
8f8841e9 JH |
1274 | extern unsigned ws_check(const char *line, int len, unsigned ws_rule); |
1275 | 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 | 1276 | extern char *whitespace_error_string(unsigned ws); |
d511bd33 | 1277 | extern void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *); |
877f23cc | 1278 | extern int ws_blank_line(const char *line, int len, unsigned ws_rule); |
f4b05a49 | 1279 | #define ws_tab_width(rule) ((rule) & WS_TAB_WIDTH_MASK) |
a9cc857a | 1280 | |
ee425e46 | 1281 | /* ls-files */ |
17ddc66e | 1282 | int report_path_error(const char *ps_matched, const struct pathspec *pathspec, const char *prefix); |
ee425e46 JH |
1283 | void overlay_tree_on_cache(const char *tree_name, const char *prefix); |
1284 | ||
94351118 | 1285 | char *alias_lookup(const char *alias); |
0989fe96 | 1286 | int split_cmdline(char *cmdline, const char ***argv); |
ad9ac6db GB |
1287 | /* Takes a negative value returned by split_cmdline */ |
1288 | const char *split_cmdline_strerror(int cmdline_errno); | |
94351118 | 1289 | |
e37c1329 NTND |
1290 | /* git.c */ |
1291 | struct startup_info { | |
a60645f9 | 1292 | int have_repository; |
f07d6a1a | 1293 | const char *prefix; |
e37c1329 NTND |
1294 | }; |
1295 | extern struct startup_info *startup_info; | |
1296 | ||
db699a8a NTND |
1297 | /* merge.c */ |
1298 | struct commit_list; | |
1299 | int try_merge_command(const char *strategy, size_t xopts_nr, | |
1300 | const char **xopts, struct commit_list *common, | |
1301 | const char *head_arg, struct commit_list *remotes); | |
1302 | int checkout_fast_forward(const unsigned char *from, | |
1303 | const unsigned char *to, | |
1304 | int overwrite_ignore); | |
1305 | ||
cac42b26 | 1306 | |
38f865c2 JK |
1307 | int sane_execvp(const char *file, char *const argv[]); |
1308 | ||
38612532 MH |
1309 | /* |
1310 | * A struct to encapsulate the concept of whether a file has changed | |
1311 | * since we last checked it. This uses criteria similar to those used | |
1312 | * for the index. | |
1313 | */ | |
1314 | struct stat_validity { | |
1315 | struct stat_data *sd; | |
1316 | }; | |
1317 | ||
1318 | void stat_validity_clear(struct stat_validity *sv); | |
1319 | ||
1320 | /* | |
1321 | * Returns 1 if the path is a regular file (or a symlink to a regular | |
1322 | * file) and matches the saved stat_validity, 0 otherwise. A missing | |
1323 | * or inaccessible file is considered a match if the struct was just | |
1324 | * initialized, or if the previous update found an inaccessible file. | |
1325 | */ | |
1326 | int stat_validity_check(struct stat_validity *sv, const char *path); | |
1327 | ||
1328 | /* | |
1329 | * Update the stat_validity from a file opened at descriptor fd. If | |
1330 | * the file is missing, inaccessible, or not a regular file, then | |
1331 | * future calls to stat_validity_check will match iff one of those | |
1332 | * conditions continues to be true. | |
1333 | */ | |
1334 | void stat_validity_update(struct stat_validity *sv, int fd); | |
1335 | ||
e83c5163 | 1336 | #endif /* CACHE_H */ |