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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" |
e83c5163 | 5 | |
cef661fc | 6 | #include SHA1_HEADER |
e83c5163 LT |
7 | #include <zlib.h> |
8 | ||
9da3acfb ET |
9 | #if ZLIB_VERNUM < 0x1200 |
10 | #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) | |
11 | #endif | |
12 | ||
962554c6 | 13 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
14 | #define DTYPE(de) ((de)->d_type) |
15 | #else | |
0bdd79af JH |
16 | #undef DT_UNKNOWN |
17 | #undef DT_DIR | |
18 | #undef DT_REG | |
19 | #undef DT_LNK | |
b6829693 ET |
20 | #define DT_UNKNOWN 0 |
21 | #define DT_DIR 1 | |
22 | #define DT_REG 2 | |
a15c1c60 | 23 | #define DT_LNK 3 |
b6829693 ET |
24 | #define DTYPE(de) DT_UNKNOWN |
25 | #endif | |
26 | ||
2386d658 LT |
27 | /* |
28 | * Intensive research over the course of many years has shown that | |
29 | * port 9418 is totally unused by anything else. Or | |
30 | * | |
31 | * Your search - "port 9418" - did not match any documents. | |
32 | * | |
33 | * as www.google.com puts it. | |
ba8a4970 LT |
34 | * |
35 | * This port has been properly assigned for git use by IANA: | |
36 | * git (Assigned-9418) [I06-050728-0001]. | |
37 | * | |
38 | * git 9418/tcp git pack transfer service | |
39 | * git 9418/udp git pack transfer service | |
40 | * | |
41 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
42 | * contact. September 2005. | |
43 | * | |
44 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
45 | */ |
46 | #define DEFAULT_GIT_PORT 9418 | |
47 | ||
e83c5163 LT |
48 | /* |
49 | * Basic data structures for the directory cache | |
e83c5163 LT |
50 | */ |
51 | ||
52 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
53 | struct cache_header { | |
ccc4feb5 LT |
54 | unsigned int hdr_signature; |
55 | unsigned int hdr_version; | |
56 | unsigned int hdr_entries; | |
e83c5163 LT |
57 | }; |
58 | ||
59 | /* | |
60 | * The "cache_time" is just the low 32 bits of the | |
61 | * time. It doesn't matter if it overflows - we only | |
62 | * check it for equality in the 32 bits we save. | |
63 | */ | |
64 | struct cache_time { | |
65 | unsigned int sec; | |
66 | unsigned int nsec; | |
67 | }; | |
68 | ||
69 | /* | |
70 | * dev/ino/uid/gid/size are also just tracked to the low 32 bits | |
71 | * Again - this is just a (very strong in practice) heuristic that | |
72 | * the inode hasn't changed. | |
ccc4feb5 LT |
73 | * |
74 | * We save the fields in big-endian order to allow using the | |
75 | * index file over NFS transparently. | |
e83c5163 LT |
76 | */ |
77 | struct cache_entry { | |
ccc4feb5 LT |
78 | struct cache_time ce_ctime; |
79 | struct cache_time ce_mtime; | |
80 | unsigned int ce_dev; | |
81 | unsigned int ce_ino; | |
82 | unsigned int ce_mode; | |
83 | unsigned int ce_uid; | |
84 | unsigned int ce_gid; | |
85 | unsigned int ce_size; | |
e83c5163 | 86 | unsigned char sha1[20]; |
f5cabd13 | 87 | unsigned short ce_flags; |
8f1d2e6f | 88 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
89 | }; |
90 | ||
95fd5bf8 LT |
91 | #define CE_NAMEMASK (0x0fff) |
92 | #define CE_STAGEMASK (0x3000) | |
220a0b52 | 93 | #define CE_UPDATE (0x4000) |
5f73076c | 94 | #define CE_VALID (0x8000) |
aee46198 | 95 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 96 | |
aee46198 JH |
97 | #define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT)) |
98 | #define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags)) | |
99 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) | |
100 | #define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT) | |
101 | ||
e4479470 | 102 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
103 | static inline unsigned int create_ce_mode(unsigned int mode) |
104 | { | |
8ae0a8c5 KS |
105 | if (S_ISLNK(mode)) |
106 | return htonl(S_IFLNK); | |
db823d4a | 107 | return htonl(S_IFREG | ce_permissions(mode)); |
8ae0a8c5 | 108 | } |
185c975f JH |
109 | static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode) |
110 | { | |
78a8d641 JS |
111 | extern int trust_executable_bit, has_symlinks; |
112 | if (!has_symlinks && S_ISREG(mode) && | |
113 | ce && S_ISLNK(ntohl(ce->ce_mode))) | |
114 | return ce->ce_mode; | |
185c975f JH |
115 | if (!trust_executable_bit && S_ISREG(mode)) { |
116 | if (ce && S_ISREG(ntohl(ce->ce_mode))) | |
117 | return ce->ce_mode; | |
118 | return create_ce_mode(0666); | |
119 | } | |
120 | return create_ce_mode(mode); | |
121 | } | |
1b0c7174 JH |
122 | #define canon_mode(mode) \ |
123 | (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ | |
124 | S_ISLNK(mode) ? S_IFLNK : S_IFDIR) | |
e4479470 | 125 | |
aee46198 | 126 | #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7) |
f5cabd13 | 127 | |
88355048 PB |
128 | extern struct cache_entry **active_cache; |
129 | extern unsigned int active_nr, active_alloc, active_cache_changed; | |
bad68ec9 | 130 | extern struct cache_tree *active_cache_tree; |
8fd2cb40 | 131 | extern int cache_errno; |
e83c5163 | 132 | |
edaec3fb JH |
133 | enum object_type { |
134 | OBJ_BAD = -1, | |
135 | OBJ_NONE = 0, | |
136 | OBJ_COMMIT = 1, | |
137 | OBJ_TREE = 2, | |
138 | OBJ_BLOB = 3, | |
139 | OBJ_TAG = 4, | |
140 | /* 5 for future expansion */ | |
141 | OBJ_OFS_DELTA = 6, | |
142 | OBJ_REF_DELTA = 7, | |
143 | OBJ_MAX, | |
144 | }; | |
145 | ||
8ac069ac JH |
146 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
147 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" | |
d19938ab | 148 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 149 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 150 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
d4ebc36c JH |
151 | #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" |
152 | #define CONFIG_ENVIRONMENT "GIT_CONFIG" | |
153 | #define CONFIG_LOCAL_ENVIRONMENT "GIT_CONFIG_LOCAL" | |
154 | #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" | |
bb233d69 | 155 | |
7d1864ce JH |
156 | extern int is_bare_repository_cfg; |
157 | extern int is_bare_repository(void); | |
68025633 | 158 | extern int is_inside_git_dir(void); |
c5fba16c | 159 | extern const char *get_git_dir(void); |
8ac069ac | 160 | extern char *get_object_directory(void); |
95fc7512 | 161 | extern char *get_refs_directory(void); |
8ac069ac | 162 | extern char *get_index_file(void); |
5da5c8f4 | 163 | extern char *get_graft_file(void); |
8ac069ac JH |
164 | |
165 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 166 | |
6b5ee137 | 167 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
4ca06608 | 168 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 169 | extern const char *setup_git_directory(void); |
6b5ee137 | 170 | extern const char *prefix_path(const char *prefix, int len, const char *path); |
4ca06608 | 171 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
e23d0b4a | 172 | extern void verify_filename(const char *prefix, const char *name); |
ea92f41f | 173 | extern void verify_non_filename(const char *prefix, const char *name); |
d288a700 | 174 | |
e83c5163 LT |
175 | #define alloc_nr(x) (((x)+16)*3/2) |
176 | ||
734aab75 | 177 | /* Initialize and use the cache information */ |
e83c5163 | 178 | extern int read_cache(void); |
8fd2cb40 | 179 | extern int read_cache_from(const char *path); |
197ee8c9 | 180 | extern int write_cache(int newfd, struct cache_entry **cache, int entries); |
6d297f81 | 181 | extern int discard_cache(void); |
8dcf39c4 | 182 | extern int verify_path(const char *path); |
eb38c22f | 183 | extern int cache_name_pos(const char *name, int namelen); |
192268c1 JH |
184 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
185 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 186 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
192268c1 | 187 | extern int add_cache_entry(struct cache_entry *ce, int option); |
8fd2cb40 | 188 | extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); |
dbbce55b | 189 | extern int remove_cache_entry_at(int pos); |
6b5ee137 | 190 | extern int remove_file_from_cache(const char *path); |
11be42a4 | 191 | extern int add_file_to_index(const char *path, int verbose); |
dbbce55b | 192 | extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); |
5f73076c JH |
193 | extern int ce_match_stat(struct cache_entry *ce, struct stat *st, int); |
194 | extern int ce_modified(struct cache_entry *ce, struct stat *st, int); | |
c0fd1f51 | 195 | extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); |
53bca91a | 196 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path); |
e7332f96 | 197 | extern int read_pipe(int fd, char** return_buf, unsigned long* return_size); |
024510c8 | 198 | extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object); |
ec1fcc16 | 199 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); |
415e96c8 JH |
200 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
201 | ||
405e5b2f LT |
202 | #define REFRESH_REALLY 0x0001 /* ignore_valid */ |
203 | #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ | |
204 | #define REFRESH_QUIET 0x0004 /* be quiet about it */ | |
205 | #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ | |
206 | extern int refresh_cache(unsigned int flags); | |
207 | ||
021b6e45 JH |
208 | struct lock_file { |
209 | struct lock_file *next; | |
1084b845 | 210 | char on_list; |
021b6e45 | 211 | char filename[PATH_MAX]; |
415e96c8 | 212 | }; |
40aaae88 | 213 | extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); |
021b6e45 JH |
214 | extern int commit_lock_file(struct lock_file *); |
215 | extern void rollback_lock_file(struct lock_file *); | |
1401f46b | 216 | extern int delete_ref(const char *, const unsigned char *sha1); |
734aab75 | 217 | |
2ae1c53b | 218 | /* Environment bits from configuration mechanism */ |
93821bd9 | 219 | extern int use_legacy_headers; |
17712991 | 220 | extern int trust_executable_bit; |
78a8d641 | 221 | extern int has_symlinks; |
5f73076c | 222 | extern int assume_unchanged; |
9f0bb90d | 223 | extern int prefer_symlink_refs; |
6de08ae6 | 224 | extern int log_all_ref_updates; |
2f8acdb3 | 225 | extern int warn_ambiguous_refs; |
457f06d6 | 226 | extern int shared_repository; |
2ae1c53b | 227 | extern const char *apply_default_whitespace; |
12f6c308 | 228 | extern int zlib_compression_level; |
60bb8b14 | 229 | extern size_t packed_git_window_size; |
77ccc5bb | 230 | extern size_t packed_git_limit; |
18bdec11 | 231 | extern size_t delta_base_cache_limit; |
6c510bee | 232 | extern int auto_crlf; |
17712991 | 233 | |
ab9cb76f JH |
234 | #define GIT_REPO_VERSION 0 |
235 | extern int repository_format_version; | |
236 | extern int check_repository_format(void); | |
237 | ||
734aab75 LT |
238 | #define MTIME_CHANGED 0x0001 |
239 | #define CTIME_CHANGED 0x0002 | |
240 | #define OWNER_CHANGED 0x0004 | |
241 | #define MODE_CHANGED 0x0008 | |
242 | #define INODE_CHANGED 0x0010 | |
243 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 244 | #define TYPE_CHANGED 0x0040 |
e83c5163 LT |
245 | |
246 | /* Return a statically allocated filename matching the sha1 signature */ | |
4ec99bf0 TS |
247 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
248 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
73134b6d | 249 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
250 | extern char *sha1_pack_name(const unsigned char *sha1); |
251 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 252 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 253 | extern const unsigned char null_sha1[20]; |
0bef57ee DR |
254 | static inline int is_null_sha1(const unsigned char *sha1) |
255 | { | |
256 | return !memcmp(sha1, null_sha1, 20); | |
257 | } | |
a89fccd2 DR |
258 | static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) |
259 | { | |
260 | return memcmp(sha1, sha2, 20); | |
261 | } | |
e702496e SP |
262 | static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) |
263 | { | |
264 | memcpy(sha_dst, sha_src, 20); | |
265 | } | |
a8e0d16d JH |
266 | static inline void hashclr(unsigned char *hash) |
267 | { | |
268 | memset(hash, 0, 20); | |
269 | } | |
e83c5163 | 270 | |
f2db68ed HE |
271 | int git_mkstemp(char *path, size_t n, const char *template); |
272 | ||
94df2506 JH |
273 | enum sharedrepo { |
274 | PERM_UMASK = 0, | |
275 | PERM_GROUP, | |
276 | PERM_EVERYBODY | |
277 | }; | |
278 | int git_config_perm(const char *var, const char *value); | |
457f06d6 | 279 | int adjust_shared_perm(const char *path); |
b2cb9425 | 280 | int safe_create_leading_directories(char *path); |
bd22c904 | 281 | char *enter_repo(char *path, int strict); |
b2cb9425 | 282 | |
e83c5163 | 283 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
21666f1a | 284 | extern int sha1_object_info(const unsigned char *, unsigned long *); |
21666f1a | 285 | extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size); |
ce9fbf16 | 286 | extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); |
bf0f910d | 287 | extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
21666f1a | 288 | extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); |
8237b185 | 289 | |
5d6ccf5c | 290 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 291 | |
70b9829e DB |
292 | extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer, |
293 | size_t bufsize, size_t *bufposn); | |
a5eda52b | 294 | extern int write_sha1_to_fd(int fd, const unsigned char *sha1); |
839837b9 | 295 | extern int move_temp_to_file(const char *tmpfile, const char *filename); |
8237b185 | 296 | |
106d710b | 297 | extern int has_sha1_pack(const unsigned char *sha1, const char **ignore); |
8237b185 | 298 | extern int has_sha1_file(const unsigned char *sha1); |
bb6b8e4f JH |
299 | extern void *map_sha1_file(const unsigned char *sha1, unsigned long *); |
300 | extern int legacy_loose_object(unsigned char *); | |
8237b185 | 301 | |
bf592c50 DB |
302 | extern int has_pack_file(const unsigned char *sha1); |
303 | extern int has_pack_index(const unsigned char *sha1); | |
304 | ||
e49521b5 JH |
305 | extern signed char hexval_table[256]; |
306 | static inline unsigned int hexval(unsigned int c) | |
307 | { | |
308 | return hexval_table[c]; | |
309 | } | |
310 | ||
e83c5163 | 311 | /* Convert to/from hex/sha1 representation */ |
46a6c262 JH |
312 | #define MINIMUM_ABBREV 4 |
313 | #define DEFAULT_ABBREV 7 | |
314 | ||
3c249c95 | 315 | extern int get_sha1(const char *str, unsigned char *sha1); |
197ee8c9 LT |
316 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
317 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ | |
ca8db142 | 318 | extern int read_ref(const char *filename, unsigned char *sha1); |
8da19775 | 319 | extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *); |
e86eb666 | 320 | extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); |
eb3a4822 | 321 | extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); |
e86eb666 | 322 | |
8b5157e4 | 323 | extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg); |
c847f537 | 324 | extern int validate_headref(const char *ref); |
e83c5163 | 325 | |
958ba6c9 | 326 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 327 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
e83c5163 | 328 | |
40469ee9 | 329 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 330 | const char *required_type, |
40469ee9 JH |
331 | unsigned long *size, |
332 | unsigned char *sha1_ret); | |
f4913f91 | 333 | |
f8493ec0 JS |
334 | enum date_mode { DATE_NORMAL = 0, DATE_RELATIVE, DATE_SHORT }; |
335 | const char *show_date(unsigned long time, int timezone, enum date_mode mode); | |
2a387043 | 336 | const char *show_rfc2822_date(unsigned long time, int timezone); |
2a39064c | 337 | int parse_date(const char *date, char *buf, int bufsize); |
ecee9d9e | 338 | void datestamp(char *buf, int bufsize); |
3c07b1d1 | 339 | unsigned long approxidate(const char *); |
ecee9d9e | 340 | |
749be728 JH |
341 | extern const char *git_author_info(int); |
342 | extern const char *git_committer_info(int); | |
798123af | 343 | extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); |
6aa33f40 | 344 | |
12dccc16 LT |
345 | struct checkout { |
346 | const char *base_dir; | |
347 | int base_dir_len; | |
348 | unsigned force:1, | |
349 | quiet:1, | |
350 | not_new:1, | |
351 | refresh_cache:1; | |
352 | }; | |
353 | ||
de84f99c | 354 | extern int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath); |
12dccc16 | 355 | |
9a217f2a | 356 | extern struct alternate_object_database { |
d5a63b99 | 357 | struct alternate_object_database *next; |
9a217f2a | 358 | char *name; |
8f1d2e6f | 359 | char base[FLEX_ARRAY]; /* more */ |
d5a63b99 | 360 | } *alt_odb_list; |
9a217f2a JH |
361 | extern void prepare_alt_odb(void); |
362 | ||
c41ee586 SP |
363 | struct pack_window { |
364 | struct pack_window *next; | |
365 | unsigned char *base; | |
366 | off_t offset; | |
367 | size_t len; | |
368 | unsigned int last_used; | |
369 | unsigned int inuse_cnt; | |
370 | }; | |
371 | ||
9a217f2a JH |
372 | extern struct packed_git { |
373 | struct packed_git *next; | |
c41ee586 | 374 | struct pack_window *windows; |
42873078 | 375 | const void *index_data; |
2dc3a234 SP |
376 | off_t index_size; |
377 | off_t pack_size; | |
42873078 NP |
378 | time_t mtime; |
379 | int index_version; | |
9bc879c1 | 380 | int pack_fd; |
9d835df2 | 381 | int pack_local; |
bf592c50 | 382 | unsigned char sha1[20]; |
8f1d2e6f JH |
383 | /* something like ".git/objects/pack/xxxxx.pack" */ |
384 | char pack_name[FLEX_ARRAY]; /* more */ | |
9a217f2a | 385 | } *packed_git; |
f3bf9224 JH |
386 | |
387 | struct pack_entry { | |
c4001d92 | 388 | off_t offset; |
f3bf9224 JH |
389 | unsigned char sha1[20]; |
390 | struct packed_git *p; | |
391 | }; | |
392 | ||
d1c133f5 LT |
393 | struct ref { |
394 | struct ref *next; | |
395 | unsigned char old_sha1[20]; | |
396 | unsigned char new_sha1[20]; | |
ff27adf3 | 397 | unsigned char force; |
f88395ac | 398 | struct ref *peer_ref; /* when renaming */ |
8f1d2e6f | 399 | char name[FLEX_ARRAY]; /* more */ |
d1c133f5 LT |
400 | }; |
401 | ||
2718ff09 LT |
402 | #define REF_NORMAL (1u << 0) |
403 | #define REF_HEADS (1u << 1) | |
404 | #define REF_TAGS (1u << 2) | |
405 | ||
f42a5c4e | 406 | extern pid_t git_connect(int fd[2], char *url, const char *prog); |
f7192598 | 407 | extern int finish_connect(pid_t pid); |
013e7c7f | 408 | extern int path_match(const char *path, int nr, char **match); |
f88395ac JH |
409 | extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, |
410 | int nr_refspec, char **refspec, int all); | |
41cb7488 | 411 | extern int get_ack(int fd, unsigned char *result_sha1); |
2718ff09 | 412 | extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags); |
211b5f9e | 413 | extern int server_supports(const char *feature); |
f7192598 | 414 | |
bf592c50 | 415 | extern struct packed_git *parse_pack_index(unsigned char *sha1); |
2ab141a2 | 416 | extern struct packed_git *parse_pack_index_file(const unsigned char *sha1, |
42873078 | 417 | const char *idx_path); |
bf592c50 | 418 | |
9a217f2a | 419 | extern void prepare_packed_git(void); |
fc04c412 | 420 | extern void reprepare_packed_git(void); |
bf592c50 DB |
421 | extern void install_packed_git(struct packed_git *pack); |
422 | ||
423 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, | |
424 | struct packed_git *packs); | |
425 | ||
276bc2ca | 426 | extern void pack_report(void); |
c4001d92 | 427 | extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); |
03e79c88 | 428 | extern void unuse_pack(struct pack_window **); |
42873078 | 429 | extern struct packed_git *add_packed_git(const char *, int, int); |
326bf396 SP |
430 | extern uint32_t num_packed_objects(const struct packed_git *p); |
431 | extern int nth_packed_object_sha1(const struct packed_git *, uint32_t, unsigned char*); | |
c4001d92 SP |
432 | extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); |
433 | extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); | |
72518e9c | 434 | extern unsigned long unpack_object_header_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); |
c4001d92 | 435 | extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *); |
9a217f2a | 436 | |
8f3f9b09 JH |
437 | /* Dumb servers support */ |
438 | extern int update_server_info(int); | |
439 | ||
17712991 LT |
440 | typedef int (*config_fn_t)(const char *, const char *); |
441 | extern int git_default_config(const char *, const char *); | |
4f629539 | 442 | extern int git_config_from_file(config_fn_t fn, const char *); |
17712991 LT |
443 | extern int git_config(config_fn_t fn); |
444 | extern int git_config_int(const char *, const char *); | |
445 | extern int git_config_bool(const char *, const char *); | |
10bea152 | 446 | extern int git_config_set(const char *, const char *); |
4ddba79d | 447 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
0667fcfb | 448 | extern int git_config_rename_section(const char *, const char *); |
ab9cb76f | 449 | extern int check_repository_format_version(const char *var, const char *value); |
17712991 | 450 | |
e1b10391 LT |
451 | #define MAX_GITNAME (1000) |
452 | extern char git_default_email[MAX_GITNAME]; | |
453 | extern char git_default_name[MAX_GITNAME]; | |
454 | ||
1a8f2741 | 455 | extern const char *git_commit_encoding; |
3a55602e | 456 | extern const char *git_log_output_encoding; |
4e72dcec | 457 | |
f3123c4a | 458 | extern int copy_fd(int ifd, int ofd); |
93d26e4c | 459 | extern int read_in_full(int fd, void *buf, size_t count); |
e0814056 | 460 | extern int write_in_full(int fd, const void *buf, size_t count); |
7230e6d0 | 461 | extern void write_or_die(int fd, const void *buf, size_t count); |
6ce4e61f | 462 | extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); |
e0814056 | 463 | extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); |
ad897215 | 464 | |
f67b45f8 LT |
465 | /* pager.c */ |
466 | extern void setup_pager(void); | |
85fb65ed | 467 | extern int pager_in_use; |
aa086eb8 | 468 | extern int pager_use_color; |
f67b45f8 | 469 | |
051308f6 | 470 | /* base85 */ |
f9815772 JM |
471 | int decode_85(char *dst, const char *line, int linelen); |
472 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 473 | |
855419f7 LT |
474 | /* alloc.c */ |
475 | struct blob; | |
476 | struct tree; | |
477 | struct commit; | |
478 | struct tag; | |
479 | extern struct blob *alloc_blob_node(void); | |
480 | extern struct tree *alloc_tree_node(void); | |
481 | extern struct commit *alloc_commit_node(void); | |
482 | extern struct tag *alloc_tag_node(void); | |
483 | extern void alloc_report(void); | |
484 | ||
6ce4e61f | 485 | /* trace.c */ |
0746d19a | 486 | extern int nfasprintf(char **str, const char *fmt, ...); |
6ce4e61f CC |
487 | extern int nfvasprintf(char **str, const char *fmt, va_list va); |
488 | extern void trace_printf(const char *format, ...); | |
489 | extern void trace_argv_printf(const char **argv, int count, const char *format, ...); | |
490 | ||
6c510bee LT |
491 | /* convert.c */ |
492 | extern int convert_to_git(const char *path, char **bufp, unsigned long *sizep); | |
493 | extern int convert_to_working_tree(const char *path, char **bufp, unsigned long *sizep); | |
494 | ||
e83c5163 | 495 | #endif /* CACHE_H */ |