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chromium / external / github.com / git / git / refs/tags/v1.0.11 / . / cache.h
blob: 5fd2687636026c2000b2f39e383af00b45c3627c [file] [log] [blame]
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]1#ifndef CACHE_H
2#define CACHE_H
3
Junio C Hamano4050c0d2005-12-05 19:54:29[diff] [blame]4#include "git-compat-util.h"
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]5
Linus Torvaldscef661f2005-04-21 19:33:22[diff] [blame]6#include SHA1_HEADER
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]7#include <zlib.h>
8
Edgar Toernig9da3acf2005-04-30 16:51:03[diff] [blame]9#if ZLIB_VERNUM < 0x1200
10#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
11#endif
12
Edgar Toernigb6829692005-04-30 16:51:03[diff] [blame]13#ifdef DT_UNKNOWN
14#define DTYPE(de) ((de)->d_type)
15#else
16#define DT_UNKNOWN 0
17#define DT_DIR 1
18#define DT_REG 2
Junio C Hamanoa15c1c62005-05-13 00:16:04[diff] [blame]19#define DT_LNK 3
Edgar Toernigb6829692005-04-30 16:51:03[diff] [blame]20#define DTYPE(de) DT_UNKNOWN
21#endif
22
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]23/*
Linus Torvalds2386d652005-07-14 01:46:20[diff] [blame]24 * Intensive research over the course of many years has shown that
25 * port 9418 is totally unused by anything else. Or
26 *
27 * Your search - "port 9418" - did not match any documents.
28 *
29 * as www.google.com puts it.
Linus Torvaldsba8a4972005-09-12 18:23:00[diff] [blame]30 *
31 * This port has been properly assigned for git use by IANA:
32 * git (Assigned-9418) [I06-050728-0001].
33 *
34 * git 9418/tcp git pack transfer service
35 * git 9418/udp git pack transfer service
36 *
37 * with Linus Torvalds <torvalds@osdl.org> as the point of
38 * contact. September 2005.
39 *
40 * See http://www.iana.org/assignments/port-numbers
Linus Torvalds2386d652005-07-14 01:46:20[diff] [blame]41 */
42#define DEFAULT_GIT_PORT 9418
43
44/*
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]45 * Basic data structures for the directory cache
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]46 */
47
48#define CACHE_SIGNATURE 0x44495243 /* "DIRC" */
49struct cache_header {
Linus Torvaldsccc4feb2005-04-15 17:44:27[diff] [blame]50 unsigned int hdr_signature;
51 unsigned int hdr_version;
52 unsigned int hdr_entries;
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]53};
54
55/*
56 * The "cache_time" is just the low 32 bits of the
57 * time. It doesn't matter if it overflows - we only
58 * check it for equality in the 32 bits we save.
59 */
60struct cache_time {
61 unsigned int sec;
62 unsigned int nsec;
63};
64
65/*
66 * dev/ino/uid/gid/size are also just tracked to the low 32 bits
67 * Again - this is just a (very strong in practice) heuristic that
68 * the inode hasn't changed.
Linus Torvaldsccc4feb2005-04-15 17:44:27[diff] [blame]69 *
70 * We save the fields in big-endian order to allow using the
71 * index file over NFS transparently.
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]72 */
73struct cache_entry {
Linus Torvaldsccc4feb2005-04-15 17:44:27[diff] [blame]74 struct cache_time ce_ctime;
75 struct cache_time ce_mtime;
76 unsigned int ce_dev;
77 unsigned int ce_ino;
78 unsigned int ce_mode;
79 unsigned int ce_uid;
80 unsigned int ce_gid;
81 unsigned int ce_size;
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]82 unsigned char sha1[20];
Linus Torvaldsf5cabd12005-04-16 04:45:38[diff] [blame]83 unsigned short ce_flags;
Junio C Hamano8f1d2e62006-01-07 09:33:54[diff] [blame]84 char name[FLEX_ARRAY]; /* more */
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]85};
86
Linus Torvalds95fd5bf2005-04-16 05:51:44[diff] [blame]87#define CE_NAMEMASK (0x0fff)
88#define CE_STAGEMASK (0x3000)
Linus Torvalds220a0b52005-06-06 05:07:31[diff] [blame]89#define CE_UPDATE (0x4000)
Junio C Hamanoaee46192005-04-16 15:33:23[diff] [blame]90#define CE_STAGESHIFT 12
Linus Torvalds95fd5bf2005-04-16 05:51:44[diff] [blame]91
Junio C Hamanoaee46192005-04-16 15:33:23[diff] [blame]92#define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT))
93#define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags))
94#define ce_size(ce) cache_entry_size(ce_namelen(ce))
95#define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
96
Linus Torvaldse4479472005-04-17 05:26:31[diff] [blame]97#define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
Kay Sievers8ae0a8c2005-05-05 12:38:25[diff] [blame]98static inline unsigned int create_ce_mode(unsigned int mode)
99{
Kay Sievers8ae0a8c2005-05-05 12:38:25[diff] [blame]100 if (S_ISLNK(mode))
101 return htonl(S_IFLNK);
Linus Torvaldsdb823d42005-05-05 23:01:46[diff] [blame]102 return htonl(S_IFREG | ce_permissions(mode));
Kay Sievers8ae0a8c2005-05-05 12:38:25[diff] [blame]103}
Linus Torvaldse4479472005-04-17 05:26:31[diff] [blame]104
Junio C Hamanoaee46192005-04-16 15:33:23[diff] [blame]105#define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
Linus Torvaldsf5cabd12005-04-16 04:45:38[diff] [blame]106
Petr Baudis88355042005-05-10 22:58:16[diff] [blame]107extern struct cache_entry **active_cache;
108extern unsigned int active_nr, active_alloc, active_cache_changed;
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]109
Junio C Hamano8ac069a2005-05-10 05:57:58[diff] [blame]110#define GIT_DIR_ENVIRONMENT "GIT_DIR"
111#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
Junio C Hamanod19938a2005-05-10 00:57:56[diff] [blame]112#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
Linus Torvaldsbb233d62005-04-21 17:55:18[diff] [blame]113#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
Junio C Hamano5da5c8f2005-07-30 07:58:28[diff] [blame]114#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
Linus Torvaldsbb233d62005-04-21 17:55:18[diff] [blame]115
Sven Verdoolaege5da16062005-09-26 20:54:01[diff] [blame]116extern char *get_git_dir(void);
Junio C Hamano8ac069a2005-05-10 05:57:58[diff] [blame]117extern char *get_object_directory(void);
Daniel Barkalow95fc7512005-06-06 20:31:29[diff] [blame]118extern char *get_refs_directory(void);
Junio C Hamano8ac069a2005-05-10 05:57:58[diff] [blame]119extern char *get_index_file(void);
Junio C Hamano5da5c8f2005-07-30 07:58:28[diff] [blame]120extern char *get_graft_file(void);
Junio C Hamano8ac069a2005-05-10 05:57:58[diff] [blame]121
122#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
Linus Torvaldsbb233d62005-04-21 17:55:18[diff] [blame]123
Junio C Hamano6b5ee132005-09-21 07:00:47[diff] [blame]124extern const char **get_pathspec(const char *prefix, const char **pathspec);
Junio C Hamano4ca06602005-11-26 07:14:15[diff] [blame]125extern const char *setup_git_directory_gently(int *);
Linus Torvaldsd288a702005-08-17 01:06:34[diff] [blame]126extern const char *setup_git_directory(void);
Junio C Hamano6b5ee132005-09-21 07:00:47[diff] [blame]127extern const char *prefix_path(const char *prefix, int len, const char *path);
Junio C Hamano4ca06602005-11-26 07:14:15[diff] [blame]128extern const char *prefix_filename(const char *prefix, int len, const char *path);
Linus Torvaldsd288a702005-08-17 01:06:34[diff] [blame]129
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]130#define alloc_nr(x) (((x)+16)*3/2)
131
Linus Torvalds734aab72005-04-09 16:48:20[diff] [blame]132/* Initialize and use the cache information */
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]133extern int read_cache(void);
Linus Torvalds197ee8c2005-04-09 19:09:27[diff] [blame]134extern int write_cache(int newfd, struct cache_entry **cache, int entries);
Linus Torvaldseb38c222005-04-09 16:26:55[diff] [blame]135extern int cache_name_pos(const char *name, int namelen);
Junio C Hamano192268c2005-05-08 04:55:21[diff] [blame]136#define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */
137#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */
Junio C Hamanob1557252005-06-25 09:25:29[diff] [blame]138#define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */
Junio C Hamano192268c2005-05-08 04:55:21[diff] [blame]139extern int add_cache_entry(struct cache_entry *ce, int option);
Brad Robertsdbbce552005-05-15 02:04:25[diff] [blame]140extern int remove_cache_entry_at(int pos);
Junio C Hamano6b5ee132005-09-21 07:00:47[diff] [blame]141extern int remove_file_from_cache(const char *path);
Brad Robertsdbbce552005-05-15 02:04:25[diff] [blame]142extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
Brad Roberts5d728c82005-05-15 02:04:25[diff] [blame]143extern int ce_match_stat(struct cache_entry *ce, struct stat *st);
Junio C Hamanob0391892005-09-19 22:11:15[diff] [blame]144extern int ce_modified(struct cache_entry *ce, struct stat *st);
Linus Torvaldsc0fd1f52005-07-14 23:55:06[diff] [blame]145extern int ce_path_match(const struct cache_entry *ce, const char **pathspec);
Bryan Larsen7672db22005-07-08 23:51:55[diff] [blame]146extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, const char *type);
Daniel Barkalow024510c2005-12-10 22:25:24[diff] [blame]147extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object);
Junio C Hamanoec1fcc12005-10-07 10:42:00[diff] [blame]148extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object);
Junio C Hamano415e96c2005-05-15 21:23:12[diff] [blame]149extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
150
151struct cache_file {
152 struct cache_file *next;
153 char lockfile[PATH_MAX];
154};
155extern int hold_index_file_for_update(struct cache_file *, const char *path);
156extern int commit_index_file(struct cache_file *);
157extern void rollback_index_file(struct cache_file *);
Linus Torvalds734aab72005-04-09 16:48:20[diff] [blame]158
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]159extern int trust_executable_bit;
Johannes Schindelinf8348be2005-11-15 18:24:19[diff] [blame]160extern int only_use_symrefs;
Junio C Hamano3299c6f2005-11-15 20:48:08[diff] [blame]161extern int diff_rename_limit_default;
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]162
Junio C Hamanoab9cb762005-11-25 23:59:09[diff] [blame]163#define GIT_REPO_VERSION 0
164extern int repository_format_version;
165extern int check_repository_format(void);
166
Linus Torvalds734aab72005-04-09 16:48:20[diff] [blame]167#define MTIME_CHANGED 0x0001
168#define CTIME_CHANGED 0x0002
169#define OWNER_CHANGED 0x0004
170#define MODE_CHANGED 0x0008
171#define INODE_CHANGED 0x0010
172#define DATA_CHANGED 0x0020
Kay Sievers8ae0a8c2005-05-05 12:38:25[diff] [blame]173#define TYPE_CHANGED 0x0040
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]174
175/* Return a statically allocated filename matching the sha1 signature */
Timo Sirainen4ec99bf2005-08-09 15:30:22[diff] [blame]176extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
177extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
Linus Torvalds73134b62005-04-10 21:03:58[diff] [blame]178extern char *sha1_file_name(const unsigned char *sha1);
barkalow@iabervon.orgbf592c52005-08-01 00:53:44[diff] [blame]179extern char *sha1_pack_name(const unsigned char *sha1);
180extern char *sha1_pack_index_name(const unsigned char *sha1);
Junio C Hamano013f2762005-10-11 22:22:48[diff] [blame]181extern const char *find_unique_abbrev(const unsigned char *sha1, int);
Junio C Hamano88cd6212005-09-30 21:02:47[diff] [blame]182extern const unsigned char null_sha1[20];
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]183
Holger Eitzenbergerf2db68e2005-08-04 20:43:03[diff] [blame]184int git_mkstemp(char *path, size_t n, const char *template);
185
Junio C Hamanob2cb9422005-07-06 08:11:52[diff] [blame]186int safe_create_leading_directories(char *path);
Holger Eitzenbergerf2db68e2005-08-04 20:43:03[diff] [blame]187char *safe_strncpy(char *, const char *, size_t);
Timo Hirvonenbd22c902005-11-21 00:52:52[diff] [blame]188char *enter_repo(char *path, int strict);
Junio C Hamanob2cb9422005-07-06 08:11:52[diff] [blame]189
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]190/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
Linus Torvaldsc4483572005-06-02 00:54:59[diff] [blame]191extern int unpack_sha1_header(z_stream *stream, void *map, unsigned long mapsize, void *buffer, unsigned long size);
Linus Torvalds5180cac2005-06-02 14:57:25[diff] [blame]192extern int parse_sha1_header(char *hdr, char *type, unsigned long *sizep);
Junio C Hamano36e4d742005-06-27 10:34:06[diff] [blame]193extern int sha1_object_info(const unsigned char *, char *, unsigned long *);
Linus Torvalds2ade9342005-04-08 22:01:15[diff] [blame]194extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size);
Linus Torvalds73134b62005-04-10 21:03:58[diff] [blame]195extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
Brian Gerstbf0f9102005-05-18 12:14:09[diff] [blame]196extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
Bryan Larsen7672db22005-07-08 23:51:55[diff] [blame]197extern char *write_sha1_file_prepare(void *buf,
198 unsigned long len,
199 const char *type,
200 unsigned char *sha1,
201 unsigned char *hdr,
202 int *hdrlen);
Daniel Barkalow8237b182005-04-24 01:47:23[diff] [blame]203
Jason McMullan5d6ccf52005-06-03 15:05:39[diff] [blame]204extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]205
Linus Torvalds94537c72005-04-22 23:42:37[diff] [blame]206/* Read a tree into the cache */
Linus Torvalds3e587632005-07-14 18:39:27[diff] [blame]207extern int read_tree(void *buffer, unsigned long size, int stage, const char **paths);
Linus Torvalds94537c72005-04-22 23:42:37[diff] [blame]208
barkalow@iabervon.org70b98292005-08-02 23:46:29[diff] [blame]209extern int write_sha1_from_fd(const unsigned char *sha1, int fd, char *buffer,
210 size_t bufsize, size_t *bufposn);
Daniel Barkalowa5eda522005-07-10 22:25:38[diff] [blame]211extern int write_sha1_to_fd(int fd, const unsigned char *sha1);
Junio C Hamanob721e012005-10-11 06:22:01[diff] [blame]212extern int move_temp_to_file(const char *tmpfile, char *filename);
Daniel Barkalow8237b182005-04-24 01:47:23[diff] [blame]213
Linus Torvaldsdade09c2005-07-03 20:06:36[diff] [blame]214extern int has_sha1_pack(const unsigned char *sha1);
Daniel Barkalow8237b182005-04-24 01:47:23[diff] [blame]215extern int has_sha1_file(const unsigned char *sha1);
216
barkalow@iabervon.orgbf592c52005-08-01 00:53:44[diff] [blame]217extern int has_pack_file(const unsigned char *sha1);
218extern int has_pack_index(const unsigned char *sha1);
219
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]220/* Convert to/from hex/sha1 representation */
Linus Torvalds3c249c92005-05-01 23:36:56[diff] [blame]221extern int get_sha1(const char *str, unsigned char *sha1);
Linus Torvalds197ee8c2005-04-09 19:09:27[diff] [blame]222extern int get_sha1_hex(const char *hex, unsigned char *sha1);
223extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
Linus Torvaldsca8db142005-09-25 16:59:37[diff] [blame]224extern int read_ref(const char *filename, unsigned char *sha1);
Junio C Hamanoa876ed82005-09-30 21:08:25[diff] [blame]225extern const char *resolve_ref(const char *path, unsigned char *sha1, int);
Junio C Hamano8098a172005-09-30 21:26:57[diff] [blame]226extern int create_symref(const char *git_HEAD, const char *refs_heads_master);
227extern int validate_symref(const char *git_HEAD);
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]228
Linus Torvalds958ba6c2005-05-20 16:09:18[diff] [blame]229extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2);
Linus Torvalds79517a02005-04-09 19:59:11[diff] [blame]230extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]231
Junio C Hamano40469ee2005-04-28 23:42:27[diff] [blame]232extern void *read_object_with_reference(const unsigned char *sha1,
Brian Gerstbf0f9102005-05-18 12:14:09[diff] [blame]233 const char *required_type,
Junio C Hamano40469ee2005-04-28 23:42:27[diff] [blame]234 unsigned long *size,
235 unsigned char *sha1_ret);
Junio C Hamanof4913f92005-04-21 01:06:49[diff] [blame]236
Linus Torvaldsf80cd782005-05-06 22:28:59[diff] [blame]237const char *show_date(unsigned long time, int timezone);
Linus Torvalds2a390642005-09-19 22:53:50[diff] [blame]238int parse_date(const char *date, char *buf, int bufsize);
Edgar Toernigecee9d92005-04-30 16:46:49[diff] [blame]239void datestamp(char *buf, int bufsize);
Linus Torvalds3c07b1d2005-11-15 03:29:06[diff] [blame]240unsigned long approxidate(const char *);
Edgar Toernigecee9d92005-04-30 16:46:49[diff] [blame]241
Linus Torvalds6aa33f42005-07-12 18:49:27[diff] [blame]242extern int setup_ident(void);
Junio C Hamanoc7d77da2005-11-22 07:44:35[diff] [blame]243extern const char *git_author_info(void);
244extern const char *git_committer_info(void);
Linus Torvalds6aa33f42005-07-12 18:49:27[diff] [blame]245
Linus Torvalds12dccc12005-06-06 04:59:54[diff] [blame]246struct checkout {
247 const char *base_dir;
248 int base_dir_len;
249 unsigned force:1,
250 quiet:1,
251 not_new:1,
252 refresh_cache:1;
253};
254
255extern int checkout_entry(struct cache_entry *ce, struct checkout *state);
256
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]257extern struct alternate_object_database {
Junio C Hamanod5a63b92005-08-15 00:25:57[diff] [blame]258 struct alternate_object_database *next;
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]259 char *name;
Junio C Hamano8f1d2e62006-01-07 09:33:54[diff] [blame]260 char base[FLEX_ARRAY]; /* more */
Junio C Hamanod5a63b92005-08-15 00:25:57[diff] [blame]261} *alt_odb_list;
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]262extern void prepare_alt_odb(void);
263
264extern struct packed_git {
265 struct packed_git *next;
266 unsigned long index_size;
267 unsigned long pack_size;
268 unsigned int *index_base;
269 void *pack_base;
270 unsigned int pack_last_used;
Junio C Hamanof9253392005-06-29 09:51:27[diff] [blame]271 unsigned int pack_use_cnt;
Linus Torvalds9d835df2005-10-13 22:38:28[diff] [blame]272 int pack_local;
barkalow@iabervon.orgbf592c52005-08-01 00:53:44[diff] [blame]273 unsigned char sha1[20];
Junio C Hamano8f1d2e62006-01-07 09:33:54[diff] [blame]274 /* something like ".git/objects/pack/xxxxx.pack" */
275 char pack_name[FLEX_ARRAY]; /* more */
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]276} *packed_git;
Junio C Hamanof3bf9222005-07-01 00:15:39[diff] [blame]277
278struct pack_entry {
279 unsigned int offset;
280 unsigned char sha1[20];
281 struct packed_git *p;
282};
283
Linus Torvaldsd1c133f2005-07-16 20:55:50[diff] [blame]284struct ref {
285 struct ref *next;
286 unsigned char old_sha1[20];
287 unsigned char new_sha1[20];
Junio C Hamanoff27adf2005-08-24 07:40:14[diff] [blame]288 unsigned char force;
Junio C Hamanof88395a2005-08-03 23:35:29[diff] [blame]289 struct ref *peer_ref; /* when renaming */
Junio C Hamano8f1d2e62006-01-07 09:33:54[diff] [blame]290 char name[FLEX_ARRAY]; /* more */
Linus Torvaldsd1c133f2005-07-16 20:55:50[diff] [blame]291};
292
Linus Torvaldsf7192592005-07-04 18:57:58[diff] [blame]293extern int git_connect(int fd[2], char *url, const char *prog);
294extern int finish_connect(pid_t pid);
Linus Torvalds013e7c72005-07-04 20:24:30[diff] [blame]295extern int path_match(const char *path, int nr, char **match);
Junio C Hamanof88395a2005-08-03 23:35:29[diff] [blame]296extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
297 int nr_refspec, char **refspec, int all);
Linus Torvalds41cb7482005-07-05 22:44:09[diff] [blame]298extern int get_ack(int fd, unsigned char *result_sha1);
Junio C Hamano1a7141f2005-10-14 01:57:40[diff] [blame]299extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, int ignore_funny);
Johannes Schindelin211b5f92005-10-28 02:48:54[diff] [blame]300extern int server_supports(const char *feature);
Linus Torvaldsf7192592005-07-04 18:57:58[diff] [blame]301
barkalow@iabervon.orgbf592c52005-08-01 00:53:44[diff] [blame]302extern struct packed_git *parse_pack_index(unsigned char *sha1);
Peter Hagervall2ab141a2005-09-02 12:17:10[diff] [blame]303extern struct packed_git *parse_pack_index_file(const unsigned char *sha1,
Daniel Barkalowc508df52005-08-16 04:10:03[diff] [blame]304 char *idx_path);
barkalow@iabervon.orgbf592c52005-08-01 00:53:44[diff] [blame]305
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]306extern void prepare_packed_git(void);
barkalow@iabervon.orgbf592c52005-08-01 00:53:44[diff] [blame]307extern void install_packed_git(struct packed_git *pack);
308
309extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
310 struct packed_git *packs);
311
Junio C Hamanof9253392005-06-29 09:51:27[diff] [blame]312extern int use_packed_git(struct packed_git *);
313extern void unuse_packed_git(struct packed_git *);
Linus Torvalds9d835df2005-10-13 22:38:28[diff] [blame]314extern struct packed_git *add_packed_git(char *, int, int);
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]315extern int num_packed_objects(const struct packed_git *p);
316extern int nth_packed_object_sha1(const struct packed_git *, int, unsigned char*);
Junio C Hamanof3bf9222005-07-01 00:15:39[diff] [blame]317extern int find_pack_entry_one(const unsigned char *, struct pack_entry *, struct packed_git *);
318extern void *unpack_entry_gently(struct pack_entry *, char *, unsigned long *);
Junio C Hamanoad8c80a2005-07-01 00:17:20[diff] [blame]319extern void packed_object_info_detail(struct pack_entry *, char *, unsigned long *, unsigned long *, int *, unsigned char *);
Junio C Hamano9a217f22005-06-28 21:56:57[diff] [blame]320
Junio C Hamano8f3f9b02005-07-24 00:54:41[diff] [blame]321/* Dumb servers support */
322extern int update_server_info(int);
323
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]324typedef int (*config_fn_t)(const char *, const char *);
325extern int git_default_config(const char *, const char *);
Junio C Hamano4f629532005-11-26 00:03:56[diff] [blame]326extern int git_config_from_file(config_fn_t fn, const char *);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]327extern int git_config(config_fn_t fn);
328extern int git_config_int(const char *, const char *);
329extern int git_config_bool(const char *, const char *);
Johannes Schindelin10bea152005-11-17 21:32:36[diff] [blame]330extern int git_config_set(const char *, const char *);
Johannes Schindelin4ddba792005-11-20 05:52:22[diff] [blame]331extern int git_config_set_multivar(const char *, const char *, const char *, int);
Junio C Hamanoab9cb762005-11-25 23:59:09[diff] [blame]332extern int check_repository_format_version(const char *var, const char *value);
Linus Torvalds17712992005-10-10 23:31:08[diff] [blame]333
Linus Torvaldse1b10392005-10-12 01:47:34[diff] [blame]334#define MAX_GITNAME (1000)
335extern char git_default_email[MAX_GITNAME];
336extern char git_default_name[MAX_GITNAME];
337
Junio C Hamano4e72dce2005-11-28 00:09:40[diff] [blame]338#define MAX_ENCODING_LENGTH 64
339extern char git_commit_encoding[MAX_ENCODING_LENGTH];
340
Junio C Hamanof3123c42005-10-22 08:28:13[diff] [blame]341extern int copy_fd(int ifd, int ofd);
Junio C Hamanoad897212005-12-15 06:17:38[diff] [blame]342
343/* Finish off pack transfer receiving end */
344extern int receive_unpack_pack(int fd[2], const char *me, int quiet);
345extern int receive_keep_pack(int fd[2], const char *me);
346
Linus Torvaldse83c5162005-04-07 22:13:13[diff] [blame]347#endif /* CACHE_H */