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