Add S_IFINVALID mode
[git/git.git] / cache.h
CommitLineData
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
40689ae1
MK
27/* unknown mode (impossible combination S_IFIFO|S_IFCHR) */
28#define S_IFINVALID 0030000
29
9eec4795
LT
30/*
31 * A "directory link" is a link to another git directory.
32 *
33 * The value 0160000 is not normally a valid mode, and
34 * also just happens to be S_IFDIR + S_IFLNK
35 *
36 * NOTE! We *really* shouldn't depend on the S_IFxxx macros
37 * always having the same values everywhere. We should use
38 * our internal git values for these things, and then we can
39 * translate that to the OS-specific value. It just so
40 * happens that everybody shares the same bit representation
41 * in the UNIX world (and apparently wider too..)
42 */
43#define S_IFDIRLNK 0160000
44#define S_ISDIRLNK(m) (((m) & S_IFMT) == S_IFDIRLNK)
45
2386d658
LT
46/*
47 * Intensive research over the course of many years has shown that
48 * port 9418 is totally unused by anything else. Or
49 *
50 * Your search - "port 9418" - did not match any documents.
51 *
52 * as www.google.com puts it.
ba8a4970
LT
53 *
54 * This port has been properly assigned for git use by IANA:
55 * git (Assigned-9418) [I06-050728-0001].
56 *
57 * git 9418/tcp git pack transfer service
58 * git 9418/udp git pack transfer service
59 *
60 * with Linus Torvalds <torvalds@osdl.org> as the point of
61 * contact. September 2005.
62 *
63 * See http://www.iana.org/assignments/port-numbers
2386d658
LT
64 */
65#define DEFAULT_GIT_PORT 9418
66
e83c5163
LT
67/*
68 * Basic data structures for the directory cache
e83c5163
LT
69 */
70
71#define CACHE_SIGNATURE 0x44495243 /* "DIRC" */
72struct cache_header {
ccc4feb5
LT
73 unsigned int hdr_signature;
74 unsigned int hdr_version;
75 unsigned int hdr_entries;
e83c5163
LT
76};
77
78/*
79 * The "cache_time" is just the low 32 bits of the
80 * time. It doesn't matter if it overflows - we only
81 * check it for equality in the 32 bits we save.
82 */
83struct cache_time {
84 unsigned int sec;
85 unsigned int nsec;
86};
87
88/*
89 * dev/ino/uid/gid/size are also just tracked to the low 32 bits
90 * Again - this is just a (very strong in practice) heuristic that
91 * the inode hasn't changed.
ccc4feb5
LT
92 *
93 * We save the fields in big-endian order to allow using the
94 * index file over NFS transparently.
e83c5163
LT
95 */
96struct cache_entry {
ccc4feb5
LT
97 struct cache_time ce_ctime;
98 struct cache_time ce_mtime;
99 unsigned int ce_dev;
100 unsigned int ce_ino;
101 unsigned int ce_mode;
102 unsigned int ce_uid;
103 unsigned int ce_gid;
104 unsigned int ce_size;
e83c5163 105 unsigned char sha1[20];
f5cabd13 106 unsigned short ce_flags;
8f1d2e6f 107 char name[FLEX_ARRAY]; /* more */
e83c5163
LT
108};
109
95fd5bf8
LT
110#define CE_NAMEMASK (0x0fff)
111#define CE_STAGEMASK (0x3000)
220a0b52 112#define CE_UPDATE (0x4000)
5f73076c 113#define CE_VALID (0x8000)
aee46198 114#define CE_STAGESHIFT 12
95fd5bf8 115
aee46198
JH
116#define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT))
117#define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags))
118#define ce_size(ce) cache_entry_size(ce_namelen(ce))
119#define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
120
e4479470 121#define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
8ae0a8c5
KS
122static inline unsigned int create_ce_mode(unsigned int mode)
123{
8ae0a8c5
KS
124 if (S_ISLNK(mode))
125 return htonl(S_IFLNK);
9eec4795
LT
126 if (S_ISDIR(mode) || S_ISDIRLNK(mode))
127 return htonl(S_IFDIRLNK);
db823d4a 128 return htonl(S_IFREG | ce_permissions(mode));
8ae0a8c5 129}
185c975f
JH
130static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode)
131{
78a8d641
JS
132 extern int trust_executable_bit, has_symlinks;
133 if (!has_symlinks && S_ISREG(mode) &&
134 ce && S_ISLNK(ntohl(ce->ce_mode)))
135 return ce->ce_mode;
185c975f
JH
136 if (!trust_executable_bit && S_ISREG(mode)) {
137 if (ce && S_ISREG(ntohl(ce->ce_mode)))
138 return ce->ce_mode;
139 return create_ce_mode(0666);
140 }
141 return create_ce_mode(mode);
142}
1b0c7174
JH
143#define canon_mode(mode) \
144 (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
9eec4795 145 S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFDIRLNK)
e4479470 146
aee46198 147#define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
f5cabd13 148
88355048
PB
149extern struct cache_entry **active_cache;
150extern unsigned int active_nr, active_alloc, active_cache_changed;
bad68ec9 151extern struct cache_tree *active_cache_tree;
e83c5163 152
edaec3fb
JH
153enum object_type {
154 OBJ_BAD = -1,
155 OBJ_NONE = 0,
156 OBJ_COMMIT = 1,
157 OBJ_TREE = 2,
158 OBJ_BLOB = 3,
159 OBJ_TAG = 4,
160 /* 5 for future expansion */
161 OBJ_OFS_DELTA = 6,
162 OBJ_REF_DELTA = 7,
163 OBJ_MAX,
164};
165
8ac069ac
JH
166#define GIT_DIR_ENVIRONMENT "GIT_DIR"
167#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
d19938ab 168#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
bb233d69 169#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
5da5c8f4 170#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
d4ebc36c
JH
171#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
172#define CONFIG_ENVIRONMENT "GIT_CONFIG"
173#define CONFIG_LOCAL_ENVIRONMENT "GIT_CONFIG_LOCAL"
174#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
d0bfd026
JH
175#define GITATTRIBUTES_FILE ".gitattributes"
176#define INFOATTRIBUTES_FILE "info/attributes"
f48fd688 177#define ATTRIBUTE_MACRO_PREFIX "[attr]"
bb233d69 178
7d1864ce
JH
179extern int is_bare_repository_cfg;
180extern int is_bare_repository(void);
68025633 181extern int is_inside_git_dir(void);
c5fba16c 182extern const char *get_git_dir(void);
8ac069ac 183extern char *get_object_directory(void);
95fc7512 184extern char *get_refs_directory(void);
8ac069ac 185extern char *get_index_file(void);
5da5c8f4 186extern char *get_graft_file(void);
8ac069ac
JH
187
188#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
bb233d69 189
6b5ee137 190extern const char **get_pathspec(const char *prefix, const char **pathspec);
4ca06608 191extern const char *setup_git_directory_gently(int *);
d288a700 192extern const char *setup_git_directory(void);
6b5ee137 193extern const char *prefix_path(const char *prefix, int len, const char *path);
4ca06608 194extern const char *prefix_filename(const char *prefix, int len, const char *path);
e23d0b4a 195extern void verify_filename(const char *prefix, const char *name);
ea92f41f 196extern void verify_non_filename(const char *prefix, const char *name);
d288a700 197
e83c5163
LT
198#define alloc_nr(x) (((x)+16)*3/2)
199
734aab75 200/* Initialize and use the cache information */
e83c5163 201extern int read_cache(void);
8fd2cb40 202extern int read_cache_from(const char *path);
197ee8c9 203extern int write_cache(int newfd, struct cache_entry **cache, int entries);
6d297f81 204extern int discard_cache(void);
8dcf39c4 205extern int verify_path(const char *path);
eb38c22f 206extern int cache_name_pos(const char *name, int namelen);
192268c1
JH
207#define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */
208#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */
b155725d 209#define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */
192268c1 210extern int add_cache_entry(struct cache_entry *ce, int option);
8fd2cb40 211extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
dbbce55b 212extern int remove_cache_entry_at(int pos);
6b5ee137 213extern int remove_file_from_cache(const char *path);
fd1c3bf0 214extern int add_file_to_cache(const char *path, int verbose);
dbbce55b 215extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
5f73076c
JH
216extern int ce_match_stat(struct cache_entry *ce, struct stat *st, int);
217extern int ce_modified(struct cache_entry *ce, struct stat *st, int);
c0fd1f51 218extern int ce_path_match(const struct cache_entry *ce, const char **pathspec);
53bca91a 219extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path);
e7332f96 220extern int read_pipe(int fd, char** return_buf, unsigned long* return_size);
024510c8 221extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object);
ec1fcc16 222extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object);
415e96c8
JH
223extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
224
405e5b2f
LT
225#define REFRESH_REALLY 0x0001 /* ignore_valid */
226#define REFRESH_UNMERGED 0x0002 /* allow unmerged */
227#define REFRESH_QUIET 0x0004 /* be quiet about it */
228#define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */
229extern int refresh_cache(unsigned int flags);
230
021b6e45
JH
231struct lock_file {
232 struct lock_file *next;
5e635e39 233 pid_t owner;
1084b845 234 char on_list;
021b6e45 235 char filename[PATH_MAX];
415e96c8 236};
40aaae88 237extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
021b6e45 238extern int commit_lock_file(struct lock_file *);
30ca07a2
JH
239
240extern int hold_locked_index(struct lock_file *, int);
241extern int commit_locked_index(struct lock_file *);
5e7f56ac 242extern void set_alternate_index_output(const char *);
30ca07a2 243
021b6e45 244extern void rollback_lock_file(struct lock_file *);
1401f46b 245extern int delete_ref(const char *, const unsigned char *sha1);
734aab75 246
2ae1c53b 247/* Environment bits from configuration mechanism */
93821bd9 248extern int use_legacy_headers;
17712991 249extern int trust_executable_bit;
78a8d641 250extern int has_symlinks;
5f73076c 251extern int assume_unchanged;
9f0bb90d 252extern int prefer_symlink_refs;
6de08ae6 253extern int log_all_ref_updates;
2f8acdb3 254extern int warn_ambiguous_refs;
457f06d6 255extern int shared_repository;
2ae1c53b 256extern const char *apply_default_whitespace;
12f6c308 257extern int zlib_compression_level;
60bb8b14 258extern size_t packed_git_window_size;
77ccc5bb 259extern size_t packed_git_limit;
18bdec11 260extern size_t delta_base_cache_limit;
6c510bee 261extern int auto_crlf;
17712991 262
ab9cb76f
JH
263#define GIT_REPO_VERSION 0
264extern int repository_format_version;
265extern int check_repository_format(void);
266
734aab75
LT
267#define MTIME_CHANGED 0x0001
268#define CTIME_CHANGED 0x0002
269#define OWNER_CHANGED 0x0004
270#define MODE_CHANGED 0x0008
271#define INODE_CHANGED 0x0010
272#define DATA_CHANGED 0x0020
8ae0a8c5 273#define TYPE_CHANGED 0x0040
e83c5163
LT
274
275/* Return a statically allocated filename matching the sha1 signature */
4ec99bf0
TS
276extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
277extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
73134b6d 278extern char *sha1_file_name(const unsigned char *sha1);
bf592c50
DB
279extern char *sha1_pack_name(const unsigned char *sha1);
280extern char *sha1_pack_index_name(const unsigned char *sha1);
013f276e 281extern const char *find_unique_abbrev(const unsigned char *sha1, int);
88cd621d 282extern const unsigned char null_sha1[20];
0bef57ee
DR
283static inline int is_null_sha1(const unsigned char *sha1)
284{
285 return !memcmp(sha1, null_sha1, 20);
286}
a89fccd2
DR
287static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
288{
289 return memcmp(sha1, sha2, 20);
290}
e702496e
SP
291static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)
292{
293 memcpy(sha_dst, sha_src, 20);
294}
a8e0d16d
JH
295static inline void hashclr(unsigned char *hash)
296{
297 memset(hash, 0, 20);
298}
e83c5163 299
f2db68ed
HE
300int git_mkstemp(char *path, size_t n, const char *template);
301
94df2506
JH
302enum sharedrepo {
303 PERM_UMASK = 0,
304 PERM_GROUP,
305 PERM_EVERYBODY
306};
307int git_config_perm(const char *var, const char *value);
457f06d6 308int adjust_shared_perm(const char *path);
b2cb9425 309int safe_create_leading_directories(char *path);
bd22c904 310char *enter_repo(char *path, int strict);
b2cb9425 311
e83c5163 312/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
21666f1a 313extern int sha1_object_info(const unsigned char *, unsigned long *);
21666f1a 314extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
ce9fbf16 315extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
bf0f910d 316extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
21666f1a 317extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
8237b185 318
5d6ccf5c 319extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
e83c5163 320
70b9829e
DB
321extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer,
322 size_t bufsize, size_t *bufposn);
a5eda52b 323extern int write_sha1_to_fd(int fd, const unsigned char *sha1);
839837b9 324extern int move_temp_to_file(const char *tmpfile, const char *filename);
8237b185 325
106d710b 326extern int has_sha1_pack(const unsigned char *sha1, const char **ignore);
8237b185 327extern int has_sha1_file(const unsigned char *sha1);
bb6b8e4f
JH
328extern void *map_sha1_file(const unsigned char *sha1, unsigned long *);
329extern int legacy_loose_object(unsigned char *);
8237b185 330
bf592c50
DB
331extern int has_pack_file(const unsigned char *sha1);
332extern int has_pack_index(const unsigned char *sha1);
333
e49521b5
JH
334extern signed char hexval_table[256];
335static inline unsigned int hexval(unsigned int c)
336{
337 return hexval_table[c];
338}
339
e83c5163 340/* Convert to/from hex/sha1 representation */
46a6c262
JH
341#define MINIMUM_ABBREV 4
342#define DEFAULT_ABBREV 7
343
3c249c95 344extern int get_sha1(const char *str, unsigned char *sha1);
197ee8c9
LT
345extern int get_sha1_hex(const char *hex, unsigned char *sha1);
346extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
ca8db142 347extern int read_ref(const char *filename, unsigned char *sha1);
8da19775 348extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *);
e86eb666 349extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
eb3a4822 350extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
e86eb666 351
8b5157e4 352extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);
c847f537 353extern int validate_headref(const char *ref);
e83c5163 354
958ba6c9 355extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);
79517a06 356extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
e83c5163 357
40469ee9 358extern void *read_object_with_reference(const unsigned char *sha1,
bf0f910d 359 const char *required_type,
40469ee9
JH
360 unsigned long *size,
361 unsigned char *sha1_ret);
f4913f91 362
f8493ec0
JS
363enum date_mode { DATE_NORMAL = 0, DATE_RELATIVE, DATE_SHORT };
364const char *show_date(unsigned long time, int timezone, enum date_mode mode);
2a387043 365const char *show_rfc2822_date(unsigned long time, int timezone);
2a39064c 366int parse_date(const char *date, char *buf, int bufsize);
ecee9d9e 367void datestamp(char *buf, int bufsize);
3c07b1d1 368unsigned long approxidate(const char *);
ecee9d9e 369
749be728
JH
370extern const char *git_author_info(int);
371extern const char *git_committer_info(int);
798123af 372extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int);
6aa33f40 373
12dccc16
LT
374struct checkout {
375 const char *base_dir;
376 int base_dir_len;
377 unsigned force:1,
378 quiet:1,
379 not_new:1,
380 refresh_cache:1;
381};
382
de84f99c 383extern int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath);
12dccc16 384
9a217f2a 385extern struct alternate_object_database {
d5a63b99 386 struct alternate_object_database *next;
9a217f2a 387 char *name;
8f1d2e6f 388 char base[FLEX_ARRAY]; /* more */
d5a63b99 389} *alt_odb_list;
9a217f2a
JH
390extern void prepare_alt_odb(void);
391
c41ee586
SP
392struct pack_window {
393 struct pack_window *next;
394 unsigned char *base;
395 off_t offset;
396 size_t len;
397 unsigned int last_used;
398 unsigned int inuse_cnt;
399};
400
9a217f2a
JH
401extern struct packed_git {
402 struct packed_git *next;
c41ee586 403 struct pack_window *windows;
2dc3a234 404 off_t pack_size;
57059091
NP
405 const void *index_data;
406 size_t index_size;
407 uint32_t num_objects;
42873078 408 int index_version;
57059091 409 time_t mtime;
9bc879c1 410 int pack_fd;
9d835df2 411 int pack_local;
bf592c50 412 unsigned char sha1[20];
8f1d2e6f
JH
413 /* something like ".git/objects/pack/xxxxx.pack" */
414 char pack_name[FLEX_ARRAY]; /* more */
9a217f2a 415} *packed_git;
f3bf9224
JH
416
417struct pack_entry {
c4001d92 418 off_t offset;
f3bf9224
JH
419 unsigned char sha1[20];
420 struct packed_git *p;
421};
422
d1c133f5
LT
423struct ref {
424 struct ref *next;
425 unsigned char old_sha1[20];
426 unsigned char new_sha1[20];
ff27adf3 427 unsigned char force;
f88395ac 428 struct ref *peer_ref; /* when renaming */
8f1d2e6f 429 char name[FLEX_ARRAY]; /* more */
d1c133f5
LT
430};
431
2718ff09
LT
432#define REF_NORMAL (1u << 0)
433#define REF_HEADS (1u << 1)
434#define REF_TAGS (1u << 2)
435
f42a5c4e 436extern pid_t git_connect(int fd[2], char *url, const char *prog);
f7192598 437extern int finish_connect(pid_t pid);
013e7c7f 438extern int path_match(const char *path, int nr, char **match);
f88395ac
JH
439extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
440 int nr_refspec, char **refspec, int all);
41cb7488 441extern int get_ack(int fd, unsigned char *result_sha1);
2718ff09 442extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags);
211b5f9e 443extern int server_supports(const char *feature);
f7192598 444
bf592c50 445extern struct packed_git *parse_pack_index(unsigned char *sha1);
2ab141a2 446extern struct packed_git *parse_pack_index_file(const unsigned char *sha1,
42873078 447 const char *idx_path);
bf592c50 448
9a217f2a 449extern void prepare_packed_git(void);
fc04c412 450extern void reprepare_packed_git(void);
bf592c50
DB
451extern void install_packed_git(struct packed_git *pack);
452
453extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
454 struct packed_git *packs);
455
276bc2ca 456extern void pack_report(void);
c4001d92 457extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *);
03e79c88 458extern void unuse_pack(struct pack_window **);
42873078 459extern struct packed_git *add_packed_git(const char *, int, int);
d72308e0 460extern const unsigned char *nth_packed_object_sha1(const struct packed_git *, uint32_t);
c4001d92
SP
461extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *);
462extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *);
72518e9c 463extern unsigned long unpack_object_header_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep);
54dab52a 464extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t);
c4001d92 465extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
9a217f2a 466
8f3f9b09
JH
467/* Dumb servers support */
468extern int update_server_info(int);
469
17712991
LT
470typedef int (*config_fn_t)(const char *, const char *);
471extern int git_default_config(const char *, const char *);
4f629539 472extern int git_config_from_file(config_fn_t fn, const char *);
17712991
LT
473extern int git_config(config_fn_t fn);
474extern int git_config_int(const char *, const char *);
475extern int git_config_bool(const char *, const char *);
10bea152 476extern int git_config_set(const char *, const char *);
4ddba79d 477extern int git_config_set_multivar(const char *, const char *, const char *, int);
0667fcfb 478extern int git_config_rename_section(const char *, const char *);
ab9cb76f 479extern int check_repository_format_version(const char *var, const char *value);
17712991 480
e1b10391
LT
481#define MAX_GITNAME (1000)
482extern char git_default_email[MAX_GITNAME];
483extern char git_default_name[MAX_GITNAME];
484
1a8f2741 485extern const char *git_commit_encoding;
3a55602e 486extern const char *git_log_output_encoding;
4e72dcec 487
f3123c4a 488extern int copy_fd(int ifd, int ofd);
93d26e4c 489extern int read_in_full(int fd, void *buf, size_t count);
e0814056 490extern int write_in_full(int fd, const void *buf, size_t count);
7230e6d0 491extern void write_or_die(int fd, const void *buf, size_t count);
6ce4e61f 492extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg);
e0814056 493extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg);
ad897215 494
f67b45f8
LT
495/* pager.c */
496extern void setup_pager(void);
85fb65ed 497extern int pager_in_use;
aa086eb8 498extern int pager_use_color;
f67b45f8 499
051308f6 500/* base85 */
f9815772
JM
501int decode_85(char *dst, const char *line, int linelen);
502void encode_85(char *buf, const unsigned char *data, int bytes);
051308f6 503
855419f7 504/* alloc.c */
100c5f3b
LT
505extern void *alloc_blob_node(void);
506extern void *alloc_tree_node(void);
507extern void *alloc_commit_node(void);
508extern void *alloc_tag_node(void);
509extern void *alloc_object_node(void);
855419f7
LT
510extern void alloc_report(void);
511
6ce4e61f 512/* trace.c */
0746d19a 513extern int nfasprintf(char **str, const char *fmt, ...);
6ce4e61f
CC
514extern int nfvasprintf(char **str, const char *fmt, va_list va);
515extern void trace_printf(const char *format, ...);
516extern void trace_argv_printf(const char **argv, int count, const char *format, ...);
517
6c510bee 518/* convert.c */
ac78e548
AR
519extern char *convert_to_git(const char *path, const char *src, unsigned long *sizep);
520extern char *convert_to_working_tree(const char *path, const char *src, unsigned long *sizep);
6c510bee 521
68faf689
JH
522/* match-trees.c */
523void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int);
524
e83c5163 525#endif /* CACHE_H */