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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" |
e05881a4 | 6 | #include "hashmap.h" |
ec2dd32c | 7 | #include "list.h" |
65784830 | 8 | #include "gettext.h" |
155ef25f | 9 | #include "string-list.h" |
f18f816c | 10 | #include "hash.h" |
e7d72d07 | 11 | #include "path.h" |
ac48adf4 | 12 | #include "pathspec.h" |
a64215b6 | 13 | #include "object.h" |
78a67668 | 14 | #include "repository.h" |
ac48adf4 | 15 | #include "statinfo.h" |
e83c5163 | 16 | |
ef49a7a0 JH |
17 | typedef struct git_zstream { |
18 | z_stream z; | |
19 | unsigned long avail_in; | |
20 | unsigned long avail_out; | |
21 | unsigned long total_in; | |
22 | unsigned long total_out; | |
23 | unsigned char *next_in; | |
24 | unsigned char *next_out; | |
25 | } git_zstream; | |
26 | ||
27 | void git_inflate_init(git_zstream *); | |
28 | void git_inflate_init_gzip_only(git_zstream *); | |
29 | void git_inflate_end(git_zstream *); | |
30 | int git_inflate(git_zstream *, int flush); | |
31 | ||
32 | void git_deflate_init(git_zstream *, int level); | |
33 | void git_deflate_init_gzip(git_zstream *, int level); | |
c3c2e1a0 | 34 | void git_deflate_init_raw(git_zstream *, int level); |
ef49a7a0 | 35 | void git_deflate_end(git_zstream *); |
568508e7 | 36 | int git_deflate_abort(git_zstream *); |
ef49a7a0 JH |
37 | int git_deflate_end_gently(git_zstream *); |
38 | int git_deflate(git_zstream *, int flush); | |
39 | unsigned long git_deflate_bound(git_zstream *, unsigned long); | |
39c68542 | 40 | |
962554c6 | 41 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
42 | #define DTYPE(de) ((de)->d_type) |
43 | #else | |
0bdd79af JH |
44 | #undef DT_UNKNOWN |
45 | #undef DT_DIR | |
46 | #undef DT_REG | |
47 | #undef DT_LNK | |
b6829693 ET |
48 | #define DT_UNKNOWN 0 |
49 | #define DT_DIR 1 | |
50 | #define DT_REG 2 | |
a15c1c60 | 51 | #define DT_LNK 3 |
b6829693 ET |
52 | #define DTYPE(de) DT_UNKNOWN |
53 | #endif | |
54 | ||
40689ae1 MK |
55 | /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ |
56 | #define S_IFINVALID 0030000 | |
57 | ||
9eec4795 LT |
58 | /* |
59 | * A "directory link" is a link to another git directory. | |
60 | * | |
61 | * The value 0160000 is not normally a valid mode, and | |
62 | * also just happens to be S_IFDIR + S_IFLNK | |
9eec4795 | 63 | */ |
302b9282 MW |
64 | #define S_IFGITLINK 0160000 |
65 | #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) | |
9eec4795 | 66 | |
72441af7 KS |
67 | /* |
68 | * Some mode bits are also used internally for computations. | |
69 | * | |
70 | * They *must* not overlap with any valid modes, and they *must* not be emitted | |
71 | * to outside world - i.e. appear on disk or network. In other words, it's just | |
72 | * temporary fields, which we internally use, but they have to stay in-house. | |
73 | * | |
74 | * ( such approach is valid, as standard S_IF* fits into 16 bits, and in Git | |
75 | * codebase mode is `unsigned int` which is assumed to be at least 32 bits ) | |
76 | */ | |
77 | ||
78 | /* used internally in tree-diff */ | |
79 | #define S_DIFFTREE_IFXMIN_NEQ 0x80000000 | |
80 | ||
81 | ||
2386d658 LT |
82 | /* |
83 | * Intensive research over the course of many years has shown that | |
84 | * port 9418 is totally unused by anything else. Or | |
85 | * | |
86 | * Your search - "port 9418" - did not match any documents. | |
87 | * | |
88 | * as www.google.com puts it. | |
ba8a4970 LT |
89 | * |
90 | * This port has been properly assigned for git use by IANA: | |
91 | * git (Assigned-9418) [I06-050728-0001]. | |
92 | * | |
93 | * git 9418/tcp git pack transfer service | |
94 | * git 9418/udp git pack transfer service | |
95 | * | |
96 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
97 | * contact. September 2005. | |
98 | * | |
99 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
100 | */ |
101 | #define DEFAULT_GIT_PORT 9418 | |
102 | ||
e83c5163 LT |
103 | /* |
104 | * Basic data structures for the directory cache | |
e83c5163 LT |
105 | */ |
106 | ||
107 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
108 | struct cache_header { | |
7800c1eb TG |
109 | uint32_t hdr_signature; |
110 | uint32_t hdr_version; | |
111 | uint32_t hdr_entries; | |
e83c5163 LT |
112 | }; |
113 | ||
9d227781 JH |
114 | #define INDEX_FORMAT_LB 2 |
115 | #define INDEX_FORMAT_UB 4 | |
116 | ||
e83c5163 | 117 | struct cache_entry { |
8b013788 | 118 | struct hashmap_entry ent; |
c21d39d7 | 119 | struct stat_data ce_stat_data; |
ccc4feb5 | 120 | unsigned int ce_mode; |
7a51ed66 | 121 | unsigned int ce_flags; |
8e72d675 | 122 | unsigned int mem_pool_allocated; |
b60e188c | 123 | unsigned int ce_namelen; |
5fc2fc8f | 124 | unsigned int index; /* for link extension */ |
99d1a986 | 125 | struct object_id oid; |
8f1d2e6f | 126 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
127 | }; |
128 | ||
95fd5bf8 | 129 | #define CE_STAGEMASK (0x3000) |
16ce2e4c | 130 | #define CE_EXTENDED (0x4000) |
5f73076c | 131 | #define CE_VALID (0x8000) |
aee46198 | 132 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 133 | |
06aaaa0b | 134 | /* |
ce51bf09 | 135 | * Range 0xFFFF0FFF in ce_flags is divided into |
06aaaa0b NTND |
136 | * two parts: in-memory flags and on-disk ones. |
137 | * Flags in CE_EXTENDED_FLAGS will get saved on-disk | |
138 | * if you want to save a new flag, add it in | |
139 | * CE_EXTENDED_FLAGS | |
140 | * | |
141 | * In-memory only flags | |
142 | */ | |
2977ffbb NTND |
143 | #define CE_UPDATE (1 << 16) |
144 | #define CE_REMOVE (1 << 17) | |
145 | #define CE_UPTODATE (1 << 18) | |
146 | #define CE_ADDED (1 << 19) | |
a22c6371 | 147 | |
2977ffbb | 148 | #define CE_HASHED (1 << 20) |
883e248b | 149 | #define CE_FSMONITOR_VALID (1 << 21) |
2977ffbb NTND |
150 | #define CE_WT_REMOVE (1 << 22) /* remove in work directory */ |
151 | #define CE_CONFLICTED (1 << 23) | |
7a51ed66 | 152 | |
2977ffbb | 153 | #define CE_UNPACKED (1 << 24) |
2431afbf | 154 | #define CE_NEW_SKIP_WORKTREE (1 << 25) |
da165f47 | 155 | |
e721c154 NTND |
156 | /* used to temporarily mark paths matched by pathspecs */ |
157 | #define CE_MATCHED (1 << 26) | |
158 | ||
078a58e8 | 159 | #define CE_UPDATE_IN_BASE (1 << 27) |
b3c96fb1 | 160 | #define CE_STRIP_NAME (1 << 28) |
078a58e8 | 161 | |
06aaaa0b NTND |
162 | /* |
163 | * Extended on-disk flags | |
164 | */ | |
2977ffbb NTND |
165 | #define CE_INTENT_TO_ADD (1 << 29) |
166 | #define CE_SKIP_WORKTREE (1 << 30) | |
06aaaa0b | 167 | /* CE_EXTENDED2 is for future extension */ |
9a93c668 | 168 | #define CE_EXTENDED2 (1U << 31) |
06aaaa0b | 169 | |
44a36913 | 170 | #define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE) |
06aaaa0b NTND |
171 | |
172 | /* | |
173 | * Safeguard to avoid saving wrong flags: | |
174 | * - CE_EXTENDED2 won't get saved until its semantic is known | |
175 | * - Bits in 0x0000FFFF have been saved in ce_flags already | |
176 | * - Bits in 0x003F0000 are currently in-memory flags | |
177 | */ | |
178 | #if CE_EXTENDED_FLAGS & 0x803FFFFF | |
179 | #error "CE_EXTENDED_FLAGS out of range" | |
180 | #endif | |
181 | ||
4300f844 DS |
182 | #define S_ISSPARSEDIR(m) ((m) == S_IFDIR) |
183 | ||
3e3a4a41 | 184 | /* Forward structure decls */ |
64acde94 | 185 | struct pathspec; |
3e3a4a41 | 186 | struct child_process; |
e1f8694f | 187 | struct tree; |
64acde94 | 188 | |
eb7a2f1d LT |
189 | /* |
190 | * Copy the sha1 and stat state of a cache entry from one to | |
191 | * another. But we never change the name, or the hash state! | |
192 | */ | |
20d142b4 RS |
193 | static inline void copy_cache_entry(struct cache_entry *dst, |
194 | const struct cache_entry *src) | |
eb7a2f1d | 195 | { |
419a597f | 196 | unsigned int state = dst->ce_flags & CE_HASHED; |
8e72d675 | 197 | int mem_pool_allocated = dst->mem_pool_allocated; |
eb7a2f1d LT |
198 | |
199 | /* Don't copy hash chain and name */ | |
8b013788 KB |
200 | memcpy(&dst->ce_stat_data, &src->ce_stat_data, |
201 | offsetof(struct cache_entry, name) - | |
202 | offsetof(struct cache_entry, ce_stat_data)); | |
eb7a2f1d LT |
203 | |
204 | /* Restore the hash state */ | |
419a597f | 205 | dst->ce_flags = (dst->ce_flags & ~CE_HASHED) | state; |
8e72d675 JM |
206 | |
207 | /* Restore the mem_pool_allocated flag */ | |
208 | dst->mem_pool_allocated = mem_pool_allocated; | |
eb7a2f1d LT |
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) |
895ff3b2 | 222 | #define ce_intent_to_add(ce) ((ce)->ce_flags & CE_INTENT_TO_ADD) |
aee46198 | 223 | |
e4479470 | 224 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
225 | static inline unsigned int create_ce_mode(unsigned int mode) |
226 | { | |
8ae0a8c5 | 227 | if (S_ISLNK(mode)) |
7a51ed66 | 228 | return S_IFLNK; |
6e773527 DS |
229 | if (S_ISSPARSEDIR(mode)) |
230 | return S_IFDIR; | |
302b9282 | 231 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
7a51ed66 LT |
232 | return S_IFGITLINK; |
233 | return S_IFREG | ce_permissions(mode); | |
8ae0a8c5 | 234 | } |
20d142b4 RS |
235 | static inline unsigned int ce_mode_from_stat(const struct cache_entry *ce, |
236 | unsigned int mode) | |
185c975f | 237 | { |
78a8d641 JS |
238 | extern int trust_executable_bit, has_symlinks; |
239 | if (!has_symlinks && S_ISREG(mode) && | |
7a51ed66 | 240 | ce && S_ISLNK(ce->ce_mode)) |
78a8d641 | 241 | return ce->ce_mode; |
185c975f | 242 | if (!trust_executable_bit && S_ISREG(mode)) { |
7a51ed66 | 243 | if (ce && S_ISREG(ce->ce_mode)) |
185c975f JH |
244 | return ce->ce_mode; |
245 | return create_ce_mode(0666); | |
246 | } | |
247 | return create_ce_mode(mode); | |
248 | } | |
d6b8fc30 JH |
249 | static inline int ce_to_dtype(const struct cache_entry *ce) |
250 | { | |
251 | unsigned ce_mode = ntohl(ce->ce_mode); | |
252 | if (S_ISREG(ce_mode)) | |
253 | return DT_REG; | |
254 | else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode)) | |
255 | return DT_DIR; | |
256 | else if (S_ISLNK(ce_mode)) | |
257 | return DT_LNK; | |
258 | else | |
259 | return DT_UNKNOWN; | |
260 | } | |
b90d9b88 RS |
261 | static inline unsigned int canon_mode(unsigned int mode) |
262 | { | |
263 | if (S_ISREG(mode)) | |
264 | return S_IFREG | ce_permissions(mode); | |
265 | if (S_ISLNK(mode)) | |
266 | return S_IFLNK; | |
267 | if (S_ISDIR(mode)) | |
268 | return S_IFDIR; | |
269 | return S_IFGITLINK; | |
270 | } | |
e4479470 | 271 | |
ac48adf4 EN |
272 | static inline int ce_path_match(struct index_state *istate, |
273 | const struct cache_entry *ce, | |
274 | const struct pathspec *pathspec, | |
275 | char *seen) | |
276 | { | |
277 | return match_pathspec(istate, pathspec, ce->name, ce_namelen(ce), 0, seen, | |
278 | S_ISDIR(ce->ce_mode) || S_ISGITLINK(ce->ce_mode)); | |
279 | } | |
280 | ||
ee7825b5 | 281 | #define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1) |
f5cabd13 | 282 | |
e636a7b4 NTND |
283 | #define SOMETHING_CHANGED (1 << 0) /* unclassified changes go here */ |
284 | #define CE_ENTRY_CHANGED (1 << 1) | |
285 | #define CE_ENTRY_REMOVED (1 << 2) | |
286 | #define CE_ENTRY_ADDED (1 << 3) | |
6c306a34 | 287 | #define RESOLVE_UNDO_CHANGED (1 << 4) |
a5400efe | 288 | #define CACHE_TREE_CHANGED (1 << 5) |
c18b80a0 | 289 | #define SPLIT_INDEX_ORDERED (1 << 6) |
1bbb3dba | 290 | #define UNTRACKED_CHANGED (1 << 7) |
883e248b | 291 | #define FSMONITOR_CHANGED (1 << 8) |
e636a7b4 | 292 | |
5fc2fc8f | 293 | struct split_index; |
83c094ad | 294 | struct untracked_cache; |
4dcd4def | 295 | struct progress; |
836e25c5 | 296 | struct pattern_list; |
83c094ad | 297 | |
9fadb373 DS |
298 | enum sparse_index_mode { |
299 | /* | |
300 | * There are no sparse directories in the index at all. | |
301 | * | |
302 | * Repositories that don't use cone-mode sparse-checkout will | |
303 | * always have their indexes in this mode. | |
304 | */ | |
305 | INDEX_EXPANDED = 0, | |
306 | ||
307 | /* | |
308 | * The index has already been collapsed to sparse directories | |
309 | * whereever possible. | |
310 | */ | |
311 | INDEX_COLLAPSED, | |
312 | ||
313 | /* | |
314 | * The sparse directories that exist are outside the | |
315 | * sparse-checkout boundary, but it is possible that some file | |
316 | * entries could collapse to sparse directory entries. | |
317 | */ | |
318 | INDEX_PARTIALLY_SPARSE, | |
319 | }; | |
320 | ||
228e94f9 JH |
321 | struct index_state { |
322 | struct cache_entry **cache; | |
9d227781 | 323 | unsigned int version; |
228e94f9 | 324 | unsigned int cache_nr, cache_alloc, cache_changed; |
cfc5789a | 325 | struct string_list *resolve_undo; |
228e94f9 | 326 | struct cache_tree *cache_tree; |
5fc2fc8f | 327 | struct split_index *split_index; |
fba2f38a | 328 | struct cache_time timestamp; |
913e0e99 | 329 | unsigned name_hash_initialized : 1, |
4bddd983 | 330 | initialized : 1, |
1956ecd0 BP |
331 | drop_cache_tree : 1, |
332 | updated_workdir : 1, | |
cfd635c7 | 333 | updated_skipworktree : 1, |
9fadb373 DS |
334 | fsmonitor_has_run_once : 1; |
335 | enum sparse_index_mode sparse_index; | |
8b013788 | 336 | struct hashmap name_hash; |
e05881a4 | 337 | struct hashmap dir_hash; |
75691ea3 | 338 | struct object_id oid; |
83c094ad | 339 | struct untracked_cache *untracked; |
56c69100 | 340 | char *fsmonitor_last_update; |
ba1b9cac | 341 | struct ewah_bitmap *fsmonitor_dirty; |
8e72d675 | 342 | struct mem_pool *ce_mem_pool; |
4dcd4def | 343 | struct progress *progress; |
1fd9ae51 | 344 | struct repository *repo; |
836e25c5 | 345 | struct pattern_list *sparse_checkout_patterns; |
228e94f9 JH |
346 | }; |
347 | ||
2f6b1eb7 ÆAB |
348 | /** |
349 | * A "struct index_state istate" must be initialized with | |
350 | * INDEX_STATE_INIT or the corresponding index_state_init(). | |
351 | * | |
352 | * If the variable won't be used again, use release_index() to free() | |
353 | * its resources. If it needs to be used again use discard_index(), | |
354 | * which does the same thing, but will use use index_state_init() at | |
6269f8ea ÆAB |
355 | * the end. The discard_index() will use its own "istate->repo" as the |
356 | * "r" argument to index_state_init() in that case. | |
2f6b1eb7 | 357 | */ |
6269f8ea ÆAB |
358 | #define INDEX_STATE_INIT(r) { \ |
359 | .repo = (r), \ | |
360 | } | |
361 | void index_state_init(struct index_state *istate, struct repository *r); | |
2f6b1eb7 ÆAB |
362 | void release_index(struct index_state *istate); |
363 | ||
96872bc2 | 364 | /* Name hashing */ |
55454427 DL |
365 | int test_lazy_init_name_hash(struct index_state *istate, int try_threaded); |
366 | void add_name_hash(struct index_state *istate, struct cache_entry *ce); | |
367 | void remove_name_hash(struct index_state *istate, struct cache_entry *ce); | |
368 | void free_name_hash(struct index_state *istate); | |
96872bc2 | 369 | |
a849735b JM |
370 | /* Cache entry creation and cleanup */ |
371 | ||
372 | /* | |
373 | * Create cache_entry intended for use in the specified index. Caller | |
374 | * is responsible for discarding the cache_entry with | |
375 | * `discard_cache_entry`. | |
376 | */ | |
377 | struct cache_entry *make_cache_entry(struct index_state *istate, | |
378 | unsigned int mode, | |
379 | const struct object_id *oid, | |
380 | const char *path, | |
381 | int stage, | |
382 | unsigned int refresh_options); | |
383 | ||
384 | struct cache_entry *make_empty_cache_entry(struct index_state *istate, | |
385 | size_t name_len); | |
386 | ||
387 | /* | |
96168827 MT |
388 | * Create a cache_entry that is not intended to be added to an index. If |
389 | * `ce_mem_pool` is not NULL, the entry is allocated within the given memory | |
390 | * pool. Caller is responsible for discarding "loose" entries with | |
391 | * `discard_cache_entry()` and the memory pool with | |
392 | * `mem_pool_discard(ce_mem_pool, should_validate_cache_entries())`. | |
a849735b JM |
393 | */ |
394 | struct cache_entry *make_transient_cache_entry(unsigned int mode, | |
395 | const struct object_id *oid, | |
396 | const char *path, | |
96168827 MT |
397 | int stage, |
398 | struct mem_pool *ce_mem_pool); | |
a849735b | 399 | |
96168827 MT |
400 | struct cache_entry *make_empty_transient_cache_entry(size_t len, |
401 | struct mem_pool *ce_mem_pool); | |
a849735b JM |
402 | |
403 | /* | |
404 | * Discard cache entry. | |
405 | */ | |
406 | void discard_cache_entry(struct cache_entry *ce); | |
407 | ||
8616a2d0 JM |
408 | /* |
409 | * Check configuration if we should perform extra validation on cache | |
410 | * entries. | |
411 | */ | |
412 | int should_validate_cache_entries(void); | |
413 | ||
8e72d675 JM |
414 | /* |
415 | * Duplicate a cache_entry. Allocate memory for the new entry from a | |
416 | * memory_pool. Takes into account cache_entry fields that are meant | |
417 | * for managing the underlying memory allocation of the cache_entry. | |
418 | */ | |
419 | struct cache_entry *dup_cache_entry(const struct cache_entry *ce, struct index_state *istate); | |
420 | ||
421 | /* | |
422 | * Validate the cache entries in the index. This is an internal | |
423 | * consistency check that the cache_entry structs are allocated from | |
424 | * the expected memory pool. | |
425 | */ | |
426 | void validate_cache_entries(const struct index_state *istate); | |
427 | ||
b2896d27 JT |
428 | /* |
429 | * Bulk prefetch all missing cache entries that are not GITLINKs and that match | |
430 | * the given predicate. This function should only be called if | |
c7c33f50 | 431 | * repo_has_promisor_remote() returns true. |
b2896d27 JT |
432 | */ |
433 | typedef int (*must_prefetch_predicate)(const struct cache_entry *); | |
434 | void prefetch_cache_entries(const struct index_state *istate, | |
435 | must_prefetch_predicate must_prefetch); | |
436 | ||
dfd0a893 | 437 | #ifdef USE_THE_INDEX_VARIABLE |
f8adbec9 | 438 | extern struct index_state the_index; |
666f53eb | 439 | #endif |
e83c5163 | 440 | |
b45563a2 JH |
441 | static inline enum object_type object_type(unsigned int mode) |
442 | { | |
443 | return S_ISDIR(mode) ? OBJ_TREE : | |
444 | S_ISGITLINK(mode) ? OBJ_COMMIT : | |
445 | OBJ_BLOB; | |
446 | } | |
447 | ||
f225aeb2 | 448 | #define INIT_DB_QUIET 0x0001 |
33158701 | 449 | #define INIT_DB_EXIST_OK 0x0002 |
f225aeb2 | 450 | |
55454427 | 451 | int init_db(const char *git_dir, const char *real_git_dir, |
8b8f7189 | 452 | const char *template_dir, int hash_algo, |
32ba12da | 453 | const char *initial_branch, unsigned int flags); |
47ac9703 | 454 | void initialize_repository_version(int hash_algo, int reinit); |
f225aeb2 | 455 | |
734aab75 | 456 | /* Initialize and use the cache information */ |
03b86647 | 457 | struct lock_file; |
55454427 | 458 | void preload_index(struct index_state *index, |
ad6dad09 DL |
459 | const struct pathspec *pathspec, |
460 | unsigned int refresh_flags); | |
55454427 | 461 | int do_read_index(struct index_state *istate, const char *path, |
ad6dad09 | 462 | int must_exist); /* for testting only! */ |
55454427 | 463 | int read_index_from(struct index_state *, const char *path, |
ad6dad09 | 464 | const char *gitdir); |
55454427 | 465 | int is_index_unborn(struct index_state *); |
8dc38346 | 466 | |
4300f844 DS |
467 | void ensure_full_index(struct index_state *istate); |
468 | ||
8dc38346 | 469 | /* For use with `write_locked_index()`. */ |
03b86647 | 470 | #define COMMIT_LOCK (1 << 0) |
61000814 | 471 | #define SKIP_IF_UNCHANGED (1 << 1) |
8dc38346 MÅ |
472 | |
473 | /* | |
812d6b00 MÅ |
474 | * Write the index while holding an already-taken lock. Close the lock, |
475 | * and if `COMMIT_LOCK` is given, commit it. | |
8dc38346 MÅ |
476 | * |
477 | * Unless a split index is in use, write the index into the lockfile. | |
478 | * | |
479 | * With a split index, write the shared index to a temporary file, | |
480 | * adjust its permissions and rename it into place, then write the | |
481 | * split index to the lockfile. If the temporary file for the shared | |
482 | * index cannot be created, fall back to the behavior described in | |
483 | * the previous paragraph. | |
df60cf57 MÅ |
484 | * |
485 | * With `COMMIT_LOCK`, the lock is always committed or rolled back. | |
486 | * Without it, the lock is closed, but neither committed nor rolled | |
487 | * back. | |
61000814 MÅ |
488 | * |
489 | * If `SKIP_IF_UNCHANGED` is given and the index is unchanged, nothing | |
490 | * is written (and the lock is rolled back if `COMMIT_LOCK` is given). | |
8dc38346 | 491 | */ |
55454427 | 492 | int write_locked_index(struct index_state *, struct lock_file *lock, unsigned flags); |
8dc38346 | 493 | |
9c5f3ee3 | 494 | void discard_index(struct index_state *); |
55454427 DL |
495 | void move_index_extensions(struct index_state *dst, struct index_state *src); |
496 | int unmerged_index(const struct index_state *); | |
b101793c EN |
497 | |
498 | /** | |
e1f8694f EN |
499 | * Returns 1 if istate differs from tree, 0 otherwise. If tree is NULL, |
500 | * compares istate to HEAD. If tree is NULL and on an unborn branch, | |
501 | * returns 1 if there are entries in istate, 0 otherwise. If an strbuf is | |
502 | * provided, the space-separated list of files that differ will be appended | |
503 | * to it. | |
b101793c | 504 | */ |
55454427 | 505 | int repo_index_has_changes(struct repository *repo, |
ad6dad09 DL |
506 | struct tree *tree, |
507 | struct strbuf *sb); | |
b101793c | 508 | |
55454427 DL |
509 | int verify_path(const char *path, unsigned mode); |
510 | int strcmp_offset(const char *s1, const char *s2, size_t *first_change); | |
511 | int index_dir_exists(struct index_state *istate, const char *name, int namelen); | |
512 | void adjust_dirname_case(struct index_state *istate, char *name); | |
513 | struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase); | |
12733e9d SB |
514 | |
515 | /* | |
516 | * Searches for an entry defined by name and namelen in the given index. | |
517 | * If the return value is positive (including 0) it is the position of an | |
518 | * exact match. If the return value is negative, the negated value minus 1 | |
519 | * is the position where the entry would be inserted. | |
520 | * Example: The current index consists of these files and its stages: | |
521 | * | |
522 | * b#0, d#0, f#1, f#3 | |
523 | * | |
524 | * index_name_pos(&index, "a", 1) -> -1 | |
525 | * index_name_pos(&index, "b", 1) -> 0 | |
526 | * index_name_pos(&index, "c", 1) -> -2 | |
527 | * index_name_pos(&index, "d", 1) -> 1 | |
528 | * index_name_pos(&index, "e", 1) -> -3 | |
529 | * index_name_pos(&index, "f", 1) -> -3 | |
530 | * index_name_pos(&index, "g", 1) -> -5 | |
531 | */ | |
847a9e5d | 532 | int index_name_pos(struct index_state *, const char *name, int namelen); |
12733e9d | 533 | |
9553aa0f VD |
534 | /* |
535 | * Like index_name_pos, returns the position of an entry of the given name in | |
536 | * the index if one exists, otherwise returns a negative value where the negated | |
537 | * value minus 1 is the position where the index entry would be inserted. Unlike | |
538 | * index_name_pos, however, a sparse index is not expanded to find an entry | |
539 | * inside a sparse directory. | |
540 | */ | |
541 | int index_name_pos_sparse(struct index_state *, const char *name, int namelen); | |
542 | ||
20ec2d03 VD |
543 | /* |
544 | * Determines whether an entry with the given name exists within the | |
545 | * given index. The return value is 1 if an exact match is found, otherwise | |
546 | * it is 0. Note that, unlike index_name_pos, this function does not expand | |
547 | * the index if it is sparse. If an item exists within the full index but it | |
548 | * is contained within a sparse directory (and not in the sparse index), 0 is | |
549 | * returned. | |
550 | */ | |
551 | int index_entry_exists(struct index_state *, const char *name, int namelen); | |
552 | ||
c097b95a JS |
553 | /* |
554 | * Some functions return the negative complement of an insert position when a | |
555 | * precise match was not found but a position was found where the entry would | |
556 | * need to be inserted. This helper protects that logic from any integer | |
557 | * underflow. | |
558 | */ | |
559 | static inline int index_pos_to_insert_pos(uintmax_t pos) | |
560 | { | |
561 | if (pos > INT_MAX) | |
562 | die("overflow: -1 - %"PRIuMAX, pos); | |
563 | return -1 - (int)pos; | |
564 | } | |
565 | ||
192268c1 JH |
566 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
567 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 568 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
eefadd18 | 569 | #define ADD_CACHE_JUST_APPEND 8 /* Append only */ |
39425819 | 570 | #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ |
ce7c614b | 571 | #define ADD_CACHE_KEEP_CACHE_TREE 32 /* Do not invalidate cache-tree */ |
9e5da3d0 | 572 | #define ADD_CACHE_RENORMALIZE 64 /* Pass along HASH_RENORMALIZE */ |
55454427 DL |
573 | int add_index_entry(struct index_state *, struct cache_entry *ce, int option); |
574 | void rename_index_entry_at(struct index_state *, int pos, const char *new_name); | |
3bd72adf SB |
575 | |
576 | /* Remove entry, return true if there are more entries to go. */ | |
55454427 | 577 | int remove_index_entry_at(struct index_state *, int pos); |
3bd72adf | 578 | |
55454427 DL |
579 | void remove_marked_cache_entries(struct index_state *istate, int invalidate); |
580 | int remove_file_from_index(struct index_state *, const char *path); | |
38ed1d89 JH |
581 | #define ADD_CACHE_VERBOSE 1 |
582 | #define ADD_CACHE_PRETEND 2 | |
01665924 | 583 | #define ADD_CACHE_IGNORE_ERRORS 4 |
041aee31 | 584 | #define ADD_CACHE_IGNORE_REMOVAL 8 |
39425819 | 585 | #define ADD_CACHE_INTENT 16 |
20cf41d0 SB |
586 | /* |
587 | * These two are used to add the contents of the file at path | |
588 | * to the index, marking the working tree up-to-date by storing | |
589 | * the cached stat info in the resulting cache entry. A caller | |
590 | * that has already run lstat(2) on the path can call | |
591 | * add_to_index(), and all others can call add_file_to_index(); | |
592 | * the latter will do necessary lstat(2) internally before | |
593 | * calling the former. | |
594 | */ | |
55454427 DL |
595 | int add_to_index(struct index_state *, const char *path, struct stat *, int flags); |
596 | int add_file_to_index(struct index_state *, const char *path, int flags); | |
20cf41d0 | 597 | |
55454427 DL |
598 | int chmod_index_entry(struct index_state *, struct cache_entry *ce, char flip); |
599 | int ce_same_name(const struct cache_entry *a, const struct cache_entry *b); | |
600 | void set_object_name_for_intent_to_add_entry(struct cache_entry *ce); | |
847a9e5d DS |
601 | int index_name_is_other(struct index_state *, const char *, int); |
602 | void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *); | |
4bd5b7da JH |
603 | |
604 | /* do stat comparison even if CE_VALID is true */ | |
605 | #define CE_MATCH_IGNORE_VALID 01 | |
606 | /* do not check the contents but report dirty on racily-clean entries */ | |
56cac48c NTND |
607 | #define CE_MATCH_RACY_IS_DIRTY 02 |
608 | /* do stat comparison even if CE_SKIP_WORKTREE is true */ | |
609 | #define CE_MATCH_IGNORE_SKIP_WORKTREE 04 | |
2e2e7ec1 BK |
610 | /* ignore non-existent files during stat update */ |
611 | #define CE_MATCH_IGNORE_MISSING 0x08 | |
25762726 BK |
612 | /* enable stat refresh */ |
613 | #define CE_MATCH_REFRESH 0x10 | |
883e248b BP |
614 | /* don't refresh_fsmonitor state or do stat comparison even if CE_FSMONITOR_VALID is true */ |
615 | #define CE_MATCH_IGNORE_FSMONITOR 0X20 | |
55454427 | 616 | int is_racy_timestamp(const struct index_state *istate, |
ad6dad09 | 617 | const struct cache_entry *ce); |
2ede073f | 618 | int has_racy_timestamp(struct index_state *istate); |
55454427 DL |
619 | int ie_match_stat(struct index_state *, const struct cache_entry *, struct stat *, unsigned int); |
620 | int ie_modified(struct index_state *, const struct cache_entry *, struct stat *, unsigned int); | |
4bd5b7da | 621 | |
c4ce46fc JH |
622 | #define HASH_WRITE_OBJECT 1 |
623 | #define HASH_FORMAT_CHECK 2 | |
9472935d | 624 | #define HASH_RENORMALIZE 4 |
4ef91a2d | 625 | #define HASH_SILENT 8 |
55454427 DL |
626 | int index_fd(struct index_state *istate, struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags); |
627 | int index_path(struct index_state *istate, struct object_id *oid, const char *path, struct stat *st, unsigned flags); | |
c21d39d7 MH |
628 | |
629 | /* | |
630 | * Record to sd the data from st that we use to check whether a file | |
631 | * might have changed. | |
632 | */ | |
55454427 | 633 | void fill_stat_data(struct stat_data *sd, struct stat *st); |
c21d39d7 MH |
634 | |
635 | /* | |
636 | * Return 0 if st is consistent with a file not having been changed | |
637 | * since sd was filled. If there are differences, return a | |
638 | * combination of MTIME_CHANGED, CTIME_CHANGED, OWNER_CHANGED, | |
639 | * INODE_CHANGED, and DATA_CHANGED. | |
640 | */ | |
55454427 DL |
641 | int match_stat_data(const struct stat_data *sd, struct stat *st); |
642 | int match_stat_data_racy(const struct index_state *istate, | |
ad6dad09 | 643 | const struct stat_data *sd, struct stat *st); |
c21d39d7 | 644 | |
d4c0a3ac | 645 | void fill_stat_cache_info(struct index_state *istate, struct cache_entry *ce, struct stat *st); |
415e96c8 | 646 | |
b243012c MT |
647 | #define REFRESH_REALLY (1 << 0) /* ignore_valid */ |
648 | #define REFRESH_UNMERGED (1 << 1) /* allow unmerged */ | |
649 | #define REFRESH_QUIET (1 << 2) /* be quiet about it */ | |
650 | #define REFRESH_IGNORE_MISSING (1 << 3) /* ignore non-existent */ | |
651 | #define REFRESH_IGNORE_SUBMODULES (1 << 4) /* ignore submodules */ | |
652 | #define REFRESH_IN_PORCELAIN (1 << 5) /* user friendly output, not "needs update" */ | |
653 | #define REFRESH_PROGRESS (1 << 6) /* show progress bar if stderr is tty */ | |
654 | #define REFRESH_IGNORE_SKIP_WORKTREE (1 << 7) /* ignore skip_worktree entries */ | |
55454427 | 655 | int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg); |
22184497 TG |
656 | /* |
657 | * Refresh the index and write it to disk. | |
658 | * | |
659 | * 'refresh_flags' is passed directly to 'refresh_index()', while | |
660 | * 'COMMIT_LOCK | write_flags' is passed to 'write_locked_index()', so | |
661 | * the lockfile is always either committed or rolled back. | |
662 | * | |
663 | * If 'gentle' is passed, errors locking the index are ignored. | |
664 | * | |
665 | * Return 1 if refreshing the index returns an error, -1 if writing | |
666 | * the index to disk fails, 0 on success. | |
667 | * | |
668 | * Note that if refreshing the index returns an error, we still write | |
669 | * out the index (unless locking fails). | |
670 | */ | |
671 | int repo_refresh_and_write_index(struct repository*, unsigned int refresh_flags, unsigned int write_flags, int gentle, const struct pathspec *, char *seen, const char *header_msg); | |
672 | ||
55454427 | 673 | struct cache_entry *refresh_cache_entry(struct index_state *, struct cache_entry *, unsigned int); |
405e5b2f | 674 | |
55454427 | 675 | void set_alternate_index_output(const char *); |
697cc8ef | 676 | |
a33fc72f | 677 | extern int verify_index_checksum; |
00ec50e5 | 678 | extern int verify_ce_order; |
a33fc72f | 679 | |
9378c161 | 680 | extern int quote_path_fully; |
7875acb6 | 681 | |
734aab75 LT |
682 | #define MTIME_CHANGED 0x0001 |
683 | #define CTIME_CHANGED 0x0002 | |
684 | #define OWNER_CHANGED 0x0004 | |
685 | #define MODE_CHANGED 0x0008 | |
686 | #define INODE_CHANGED 0x0010 | |
687 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 688 | #define TYPE_CHANGED 0x0040 |
e83c5163 | 689 | |
0be0521b MH |
690 | /* |
691 | * Create the directory containing the named path, using care to be | |
204a047f MH |
692 | * somewhat safe against races. Return one of the scld_error values to |
693 | * indicate success/failure. On error, set errno to describe the | |
694 | * problem. | |
18d37e86 MH |
695 | * |
696 | * SCLD_VANISHED indicates that one of the ancestor directories of the | |
697 | * path existed at one point during the function call and then | |
698 | * suddenly vanished, probably because another process pruned the | |
699 | * directory while we were working. To be robust against this kind of | |
700 | * race, callers might want to try invoking the function again when it | |
701 | * returns SCLD_VANISHED. | |
e95792e5 MH |
702 | * |
703 | * safe_create_leading_directories() temporarily changes path while it | |
704 | * is working but restores it before returning. | |
705 | * safe_create_leading_directories_const() doesn't modify path, even | |
eb3c027e MT |
706 | * temporarily. Both these variants adjust the permissions of the |
707 | * created directories to honor core.sharedRepository, so they are best | |
708 | * suited for files inside the git dir. For working tree files, use | |
709 | * safe_create_leading_directories_no_share() instead, as it ignores | |
710 | * the core.sharedRepository setting. | |
0be0521b MH |
711 | */ |
712 | enum scld_error { | |
713 | SCLD_OK = 0, | |
714 | SCLD_FAILED = -1, | |
715 | SCLD_PERMS = -2, | |
18d37e86 MH |
716 | SCLD_EXISTS = -3, |
717 | SCLD_VANISHED = -4 | |
0be0521b MH |
718 | }; |
719 | enum scld_error safe_create_leading_directories(char *path); | |
720 | enum scld_error safe_create_leading_directories_const(const char *path); | |
eb3c027e | 721 | enum scld_error safe_create_leading_directories_no_share(char *path); |
0be0521b | 722 | |
90a6464b | 723 | int mkdir_in_gitdir(const char *path); |
e7f136bf | 724 | |
55454427 | 725 | int git_open_cloexec(const char *name, int flags); |
b4d065df | 726 | #define git_open(name) git_open_cloexec(name, O_RDONLY) |
01cab976 ÆAB |
727 | |
728 | /** | |
729 | * unpack_loose_header() initializes the data stream needed to unpack | |
730 | * a loose object header. | |
731 | * | |
3b6a8db3 ÆAB |
732 | * Returns: |
733 | * | |
734 | * - ULHR_OK on success | |
735 | * - ULHR_BAD on error | |
5848fb11 | 736 | * - ULHR_TOO_LONG if the header was too long |
01cab976 ÆAB |
737 | * |
738 | * It will only parse up to MAX_HEADER_LEN bytes unless an optional | |
739 | * "hdrbuf" argument is non-NULL. This is intended for use with | |
740 | * OBJECT_INFO_ALLOW_UNKNOWN_TYPE to extract the bad type for (error) | |
741 | * reporting. The full header will be extracted to "hdrbuf" for use | |
5848fb11 ÆAB |
742 | * with parse_loose_header(), ULHR_TOO_LONG will still be returned |
743 | * from this function to indicate that the header was too long. | |
01cab976 | 744 | */ |
3b6a8db3 ÆAB |
745 | enum unpack_loose_header_result { |
746 | ULHR_OK, | |
747 | ULHR_BAD, | |
5848fb11 | 748 | ULHR_TOO_LONG, |
3b6a8db3 ÆAB |
749 | }; |
750 | enum unpack_loose_header_result unpack_loose_header(git_zstream *stream, | |
751 | unsigned char *map, | |
752 | unsigned long mapsize, | |
753 | void *buffer, | |
754 | unsigned long bufsiz, | |
755 | struct strbuf *hdrbuf); | |
756 | ||
dccb32bf ÆAB |
757 | /** |
758 | * parse_loose_header() parses the starting "<type> <len>\0" of an | |
759 | * object. If it doesn't follow that format -1 is returned. To check | |
760 | * the validity of the <type> populate the "typep" in the "struct | |
761 | * object_info". It will be OBJ_BAD if the object type is unknown. The | |
762 | * parsed <len> can be retrieved via "oi->sizep", and from there | |
763 | * passed to unpack_loose_rest(). | |
764 | */ | |
ddb3474b | 765 | struct object_info; |
dccb32bf | 766 | int parse_loose_header(const char *hdr, struct object_info *oi); |
8237b185 | 767 | |
cdcaaec9 ÆAB |
768 | /** |
769 | * With in-core object data in "buf", rehash it to make sure the | |
770 | * object name actually matches "oid" to detect object corruption. | |
ee213de2 ÆAB |
771 | * |
772 | * A negative value indicates an error, usually that the OID is not | |
773 | * what we expected, but it might also indicate another error. | |
cdcaaec9 | 774 | */ |
b98d1885 | 775 | int check_object_signature(struct repository *r, const struct object_id *oid, |
44439c1c ÆAB |
776 | void *map, unsigned long size, |
777 | enum object_type type); | |
0f156dbb ÆAB |
778 | |
779 | /** | |
780 | * A streaming version of check_object_signature(). | |
781 | * Try reading the object named with "oid" using | |
782 | * the streaming interface and rehash it to do the same. | |
783 | */ | |
784 | int stream_object_signature(struct repository *r, const struct object_id *oid); | |
e83c5163 | 785 | |
55454427 | 786 | int finalize_object_file(const char *tmpfile, const char *filename); |
8237b185 | 787 | |
6a5e6f5e | 788 | /* Helper to check and "touch" a file */ |
55454427 | 789 | int check_and_freshen_file(const char *fn, int freshen); |
6a5e6f5e | 790 | |
1b4a38d7 RS |
791 | int base_name_compare(const char *name1, size_t len1, int mode1, |
792 | const char *name2, size_t len2, int mode2); | |
793 | int df_name_compare(const char *name1, size_t len1, int mode1, | |
794 | const char *name2, size_t len2, int mode2); | |
55454427 DL |
795 | int name_compare(const char *name1, size_t len1, const char *name2, size_t len2); |
796 | int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2); | |
e83c5163 | 797 | |
d3b4705a NTND |
798 | void *read_object_with_reference(struct repository *r, |
799 | const struct object_id *oid, | |
6aea6bae | 800 | enum object_type required_type, |
ad6dad09 DL |
801 | unsigned long *size, |
802 | struct object_id *oid_ret); | |
f4913f91 | 803 | |
55454427 DL |
804 | const char *git_editor(void); |
805 | const char *git_sequence_editor(void); | |
806 | const char *git_pager(int stdout_is_tty); | |
807 | int is_terminal_dumb(void); | |
662cc30c | 808 | |
b9fd2846 | 809 | struct cache_def { |
e7c73053 | 810 | struct strbuf path; |
b9fd2846 LT |
811 | int flags; |
812 | int track_flags; | |
813 | int prefix_len_stat_func; | |
814 | }; | |
f69a6e4f ÆAB |
815 | #define CACHE_DEF_INIT { \ |
816 | .path = STRBUF_INIT, \ | |
817 | } | |
2a608391 | 818 | static inline void cache_def_clear(struct cache_def *cache) |
e7c73053 KB |
819 | { |
820 | strbuf_release(&cache->path); | |
821 | } | |
b9fd2846 | 822 | |
55454427 DL |
823 | int has_symlink_leading_path(const char *name, int len); |
824 | int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); | |
fab78a0c | 825 | int check_leading_path(const char *name, int len, int warn_on_lstat_err); |
55454427 | 826 | int has_dirs_only_path(const char *name, int len, int prefix_len); |
bcf08f33 | 827 | void invalidate_lstat_cache(void); |
55454427 DL |
828 | void schedule_dir_for_removal(const char *name, int len); |
829 | void remove_scheduled_dirs(void); | |
12dccc16 | 830 | |
c41ee586 SP |
831 | struct pack_window { |
832 | struct pack_window *next; | |
833 | unsigned char *base; | |
834 | off_t offset; | |
835 | size_t len; | |
836 | unsigned int last_used; | |
837 | unsigned int inuse_cnt; | |
838 | }; | |
839 | ||
f3bf9224 | 840 | struct pack_entry { |
c4001d92 | 841 | off_t offset; |
f3bf9224 JH |
842 | struct packed_git *p; |
843 | }; | |
844 | ||
8b4c0103 | 845 | /* |
c93206b4 | 846 | * Set this to 0 to prevent oid_object_info_extended() from fetching missing |
8b4c0103 JT |
847 | * blobs. This has a difference only if extensions.partialClone is set. |
848 | * | |
849 | * Its default value is 1. | |
850 | */ | |
851 | extern int fetch_if_missing; | |
852 | ||
8f3f9b09 | 853 | /* Dumb servers support */ |
55454427 | 854 | int update_server_info(int); |
8f3f9b09 | 855 | |
d551a488 | 856 | extern const char *git_mailmap_file; |
08610900 | 857 | extern const char *git_mailmap_blob; |
4e72dcec | 858 | |
00b7cbfc JH |
859 | #define COPY_READ_ERROR (-2) |
860 | #define COPY_WRITE_ERROR (-3) | |
55454427 DL |
861 | int copy_fd(int ifd, int ofd); |
862 | int copy_file(const char *dst, const char *src, int mode); | |
863 | int copy_file_with_time(const char *dst, const char *src, int mode); | |
00b7cbfc | 864 | |
f67b45f8 | 865 | /* pager.c */ |
55454427 DL |
866 | void setup_pager(void); |
867 | int pager_in_use(void); | |
aa086eb8 | 868 | extern int pager_use_color; |
55454427 | 869 | int term_columns(void); |
cd1096b2 | 870 | void term_clear_line(void); |
55454427 DL |
871 | int decimal_width(uintmax_t); |
872 | int check_pager_config(const char *cmd); | |
873 | void prepare_pager_args(struct child_process *, const char *pager); | |
f67b45f8 | 874 | |
051308f6 | 875 | /* base85 */ |
f9815772 JM |
876 | int decode_85(char *dst, const char *line, int linelen); |
877 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 878 | |
5991a55c | 879 | /* pkt-line.c */ |
bbc30f99 | 880 | void packet_trace_identity(const char *prog); |
6ce4e61f | 881 | |
b6ec1d61 | 882 | /* add */ |
7ae02a30 AR |
883 | /* |
884 | * return 0 if success, 1 - if addition of a file failed and | |
885 | * ADD_FILES_IGNORE_ERRORS was specified in flags | |
886 | */ | |
610d55af | 887 | int add_files_to_cache(const char *prefix, const struct pathspec *pathspec, int flags); |
b6ec1d61 | 888 | |
aecbf914 JH |
889 | /* diff.c */ |
890 | extern int diff_auto_refresh_index; | |
891 | ||
68faf689 | 892 | /* match-trees.c */ |
90d34051 NTND |
893 | void shift_tree(struct repository *, const struct object_id *, const struct object_id *, struct object_id *, int); |
894 | void shift_tree_by(struct repository *, const struct object_id *, const struct object_id *, struct object_id *, const char *); | |
68faf689 | 895 | |
a9cc857a JH |
896 | /* |
897 | * whitespace rules. | |
898 | * used by both diff and apply | |
f4b05a49 | 899 | * last two digits are tab width |
a9cc857a | 900 | */ |
f4b05a49 JS |
901 | #define WS_BLANK_AT_EOL 0100 |
902 | #define WS_SPACE_BEFORE_TAB 0200 | |
903 | #define WS_INDENT_WITH_NON_TAB 0400 | |
904 | #define WS_CR_AT_EOL 01000 | |
905 | #define WS_BLANK_AT_EOF 02000 | |
906 | #define WS_TAB_IN_INDENT 04000 | |
aeb84b05 | 907 | #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) |
f4b05a49 JS |
908 | #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB|8) |
909 | #define WS_TAB_WIDTH_MASK 077 | |
091f8e28 SB |
910 | /* All WS_* -- when extended, adapt diff.c emit_symbol */ |
911 | #define WS_RULE_MASK 07777 | |
cf1b7869 | 912 | extern unsigned whitespace_rule_cfg; |
55454427 DL |
913 | unsigned whitespace_rule(struct index_state *, const char *); |
914 | unsigned parse_whitespace_rule(const char *); | |
915 | unsigned ws_check(const char *line, int len, unsigned ws_rule); | |
916 | void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws); | |
917 | char *whitespace_error_string(unsigned ws); | |
918 | void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *); | |
c5224f0f | 919 | int ws_blank_line(const char *line, int len); |
f4b05a49 | 920 | #define ws_tab_width(rule) ((rule) & WS_TAB_WIDTH_MASK) |
a9cc857a | 921 | |
ee425e46 | 922 | /* ls-files */ |
312c984a BW |
923 | void overlay_tree_on_index(struct index_state *istate, |
924 | const char *tree_name, const char *prefix); | |
ee425e46 | 925 | |
db699a8a NTND |
926 | /* merge.c */ |
927 | struct commit_list; | |
7e196c3a NTND |
928 | int try_merge_command(struct repository *r, |
929 | const char *strategy, size_t xopts_nr, | |
db699a8a NTND |
930 | const char **xopts, struct commit_list *common, |
931 | const char *head_arg, struct commit_list *remotes); | |
7e196c3a NTND |
932 | int checkout_fast_forward(struct repository *r, |
933 | const struct object_id *from, | |
f06e90da | 934 | const struct object_id *to, |
db699a8a NTND |
935 | int overwrite_ignore); |
936 | ||
cac42b26 | 937 | |
38f865c2 JK |
938 | int sane_execvp(const char *file, char *const argv[]); |
939 | ||
38612532 MH |
940 | /* |
941 | * A struct to encapsulate the concept of whether a file has changed | |
942 | * since we last checked it. This uses criteria similar to those used | |
943 | * for the index. | |
944 | */ | |
945 | struct stat_validity { | |
946 | struct stat_data *sd; | |
947 | }; | |
948 | ||
949 | void stat_validity_clear(struct stat_validity *sv); | |
950 | ||
951 | /* | |
952 | * Returns 1 if the path is a regular file (or a symlink to a regular | |
953 | * file) and matches the saved stat_validity, 0 otherwise. A missing | |
954 | * or inaccessible file is considered a match if the struct was just | |
955 | * initialized, or if the previous update found an inaccessible file. | |
956 | */ | |
957 | int stat_validity_check(struct stat_validity *sv, const char *path); | |
958 | ||
959 | /* | |
960 | * Update the stat_validity from a file opened at descriptor fd. If | |
961 | * the file is missing, inaccessible, or not a regular file, then | |
962 | * future calls to stat_validity_check will match iff one of those | |
963 | * conditions continues to be true. | |
964 | */ | |
965 | void stat_validity_update(struct stat_validity *sv, int fd); | |
966 | ||
9ef176b5 NTND |
967 | int versioncmp(const char *s1, const char *s2); |
968 | ||
e83c5163 | 969 | #endif /* CACHE_H */ |