4 #include "git-compat-util.h"
10 #if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200
11 #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
14 #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
15 #define DTYPE(de) ((de)->d_type)
25 #define DTYPE(de) DT_UNKNOWN
28 /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */
29 #define S_IFINVALID 0030000
32 * A "directory link" is a link to another git directory.
34 * The value 0160000 is not normally a valid mode, and
35 * also just happens to be S_IFDIR + S_IFLNK
37 * NOTE! We *really* shouldn't depend on the S_IFxxx macros
38 * always having the same values everywhere. We should use
39 * our internal git values for these things, and then we can
40 * translate that to the OS-specific value. It just so
41 * happens that everybody shares the same bit representation
42 * in the UNIX world (and apparently wider too..)
44 #define S_IFGITLINK 0160000
45 #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK)
48 * Intensive research over the course of many years has shown that
49 * port 9418 is totally unused by anything else. Or
51 * Your search - "port 9418" - did not match any documents.
53 * as www.google.com puts it.
55 * This port has been properly assigned for git use by IANA:
56 * git (Assigned-9418) [I06-050728-0001].
58 * git 9418/tcp git pack transfer service
59 * git 9418/udp git pack transfer service
61 * with Linus Torvalds <torvalds@osdl.org> as the point of
62 * contact. September 2005.
64 * See http://www.iana.org/assignments/port-numbers
66 #define DEFAULT_GIT_PORT 9418
69 * Basic data structures for the directory cache
72 #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */
74 unsigned int hdr_signature
;
75 unsigned int hdr_version
;
76 unsigned int hdr_entries
;
80 * The "cache_time" is just the low 32 bits of the
81 * time. It doesn't matter if it overflows - we only
82 * check it for equality in the 32 bits we save.
90 * dev/ino/uid/gid/size are also just tracked to the low 32 bits
91 * Again - this is just a (very strong in practice) heuristic that
92 * the inode hasn't changed.
94 * We save the fields in big-endian order to allow using the
95 * index file over NFS transparently.
98 struct cache_time ce_ctime
;
99 struct cache_time ce_mtime
;
102 unsigned int ce_mode
;
105 unsigned int ce_size
;
106 unsigned char sha1
[20];
107 unsigned short ce_flags
;
108 char name
[FLEX_ARRAY
]; /* more */
111 #define CE_NAMEMASK (0x0fff)
112 #define CE_STAGEMASK (0x3000)
113 #define CE_UPDATE (0x4000)
114 #define CE_VALID (0x8000)
115 #define CE_STAGESHIFT 12
117 #define create_ce_flags(len, stage) htons((len) | ((stage) << CE_STAGESHIFT))
118 #define ce_namelen(ce) (CE_NAMEMASK & ntohs((ce)->ce_flags))
119 #define ce_size(ce) cache_entry_size(ce_namelen(ce))
120 #define ce_stage(ce) ((CE_STAGEMASK & ntohs((ce)->ce_flags)) >> CE_STAGESHIFT)
122 #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644)
123 static inline unsigned int create_ce_mode(unsigned int mode
)
126 return htonl(S_IFLNK
);
127 if (S_ISDIR(mode
) || S_ISGITLINK(mode
))
128 return htonl(S_IFGITLINK
);
129 return htonl(S_IFREG
| ce_permissions(mode
));
131 static inline unsigned int ce_mode_from_stat(struct cache_entry
*ce
, unsigned int mode
)
133 extern int trust_executable_bit
, has_symlinks
;
134 if (!has_symlinks
&& S_ISREG(mode
) &&
135 ce
&& S_ISLNK(ntohl(ce
->ce_mode
)))
137 if (!trust_executable_bit
&& S_ISREG(mode
)) {
138 if (ce
&& S_ISREG(ntohl(ce
->ce_mode
)))
140 return create_ce_mode(0666);
142 return create_ce_mode(mode
);
144 #define canon_mode(mode) \
145 (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
146 S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK)
148 #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7)
151 struct cache_entry
**cache
;
152 unsigned int cache_nr
, cache_alloc
, cache_changed
;
153 struct cache_tree
*cache_tree
;
159 extern struct index_state the_index
;
161 #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS
162 #define active_cache (the_index.cache)
163 #define active_nr (the_index.cache_nr)
164 #define active_alloc (the_index.cache_alloc)
165 #define active_cache_changed (the_index.cache_changed)
166 #define active_cache_tree (the_index.cache_tree)
168 #define read_cache() read_index(&the_index)
169 #define read_cache_from(path) read_index_from(&the_index, (path))
170 #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd))
171 #define discard_cache() discard_index(&the_index)
172 #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen))
173 #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option))
174 #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos))
175 #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path))
176 #define add_file_to_cache(path, verbose) add_file_to_index(&the_index, (path), (verbose))
177 #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL)
178 #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options))
179 #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))
189 /* 5 for future expansion */
195 static inline enum object_type
object_type(unsigned int mode
)
197 return S_ISDIR(mode
) ? OBJ_TREE
:
198 S_ISGITLINK(mode
) ? OBJ_COMMIT
:
202 #define GIT_DIR_ENVIRONMENT "GIT_DIR"
203 #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE"
204 #define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
205 #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
206 #define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
207 #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
208 #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
209 #define CONFIG_ENVIRONMENT "GIT_CONFIG"
210 #define CONFIG_LOCAL_ENVIRONMENT "GIT_CONFIG_LOCAL"
211 #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
212 #define GITATTRIBUTES_FILE ".gitattributes"
213 #define INFOATTRIBUTES_FILE "info/attributes"
214 #define ATTRIBUTE_MACRO_PREFIX "[attr]"
216 extern int is_bare_repository_cfg
;
217 extern int is_bare_repository(void);
218 extern int is_inside_git_dir(void);
219 extern char *git_work_tree_cfg
;
220 extern int is_inside_work_tree(void);
221 extern const char *get_git_dir(void);
222 extern char *get_object_directory(void);
223 extern char *get_refs_directory(void);
224 extern char *get_index_file(void);
225 extern char *get_graft_file(void);
226 extern int set_git_dir(const char *path
);
227 extern const char *get_git_work_tree(void);
229 #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
231 extern const char **get_pathspec(const char *prefix
, const char **pathspec
);
232 extern void setup_work_tree(void);
233 extern const char *setup_git_directory_gently(int *);
234 extern const char *setup_git_directory(void);
235 extern const char *prefix_path(const char *prefix
, int len
, const char *path
);
236 extern const char *prefix_filename(const char *prefix
, int len
, const char *path
);
237 extern void verify_filename(const char *prefix
, const char *name
);
238 extern void verify_non_filename(const char *prefix
, const char *name
);
240 #define alloc_nr(x) (((x)+16)*3/2)
243 * Realloc the buffer pointed at by variable 'x' so that it can hold
244 * at least 'nr' entries; the number of entries currently allocated
245 * is 'alloc', using the standard growing factor alloc_nr() macro.
247 * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
249 #define ALLOC_GROW(x, nr, alloc) \
251 if ((nr) > alloc) { \
252 if (alloc_nr(alloc) < (nr)) \
255 alloc = alloc_nr(alloc); \
256 x = xrealloc((x), alloc * sizeof(*(x))); \
260 /* Initialize and use the cache information */
261 extern int read_index(struct index_state
*);
262 extern int read_index_from(struct index_state
*, const char *path
);
263 extern int write_index(struct index_state
*, int newfd
);
264 extern int discard_index(struct index_state
*);
265 extern int verify_path(const char *path
);
266 extern int index_name_pos(struct index_state
*, const char *name
, int namelen
);
267 #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */
268 #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */
269 #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */
270 #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */
271 extern int add_index_entry(struct index_state
*, struct cache_entry
*ce
, int option
);
272 extern struct cache_entry
*refresh_cache_entry(struct cache_entry
*ce
, int really
);
273 extern int remove_index_entry_at(struct index_state
*, int pos
);
274 extern int remove_file_from_index(struct index_state
*, const char *path
);
275 extern int add_file_to_index(struct index_state
*, const char *path
, int verbose
);
276 extern struct cache_entry
*make_cache_entry(unsigned int mode
, const unsigned char *sha1
, const char *path
, int stage
, int refresh
);
277 extern int ce_same_name(struct cache_entry
*a
, struct cache_entry
*b
);
279 /* do stat comparison even if CE_VALID is true */
280 #define CE_MATCH_IGNORE_VALID 01
281 /* do not check the contents but report dirty on racily-clean entries */
282 #define CE_MATCH_RACY_IS_DIRTY 02
283 extern int ie_match_stat(struct index_state
*, struct cache_entry
*, struct stat
*, unsigned int);
284 extern int ie_modified(struct index_state
*, struct cache_entry
*, struct stat
*, unsigned int);
286 extern int ce_path_match(const struct cache_entry
*ce
, const char **pathspec
);
287 extern int index_fd(unsigned char *sha1
, int fd
, struct stat
*st
, int write_object
, enum object_type type
, const char *path
);
288 extern int index_pipe(unsigned char *sha1
, int fd
, const char *type
, int write_object
);
289 extern int index_path(unsigned char *sha1
, const char *path
, struct stat
*st
, int write_object
);
290 extern void fill_stat_cache_info(struct cache_entry
*ce
, struct stat
*st
);
292 #define REFRESH_REALLY 0x0001 /* ignore_valid */
293 #define REFRESH_UNMERGED 0x0002 /* allow unmerged */
294 #define REFRESH_QUIET 0x0004 /* be quiet about it */
295 #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */
296 extern int refresh_index(struct index_state
*, unsigned int flags
, const char **pathspec
, char *seen
);
299 struct lock_file
*next
;
303 char filename
[PATH_MAX
];
305 extern int hold_lock_file_for_update(struct lock_file
*, const char *path
, int);
306 extern int commit_lock_file(struct lock_file
*);
308 extern int hold_locked_index(struct lock_file
*, int);
309 extern int commit_locked_index(struct lock_file
*);
310 extern void set_alternate_index_output(const char *);
312 extern void rollback_lock_file(struct lock_file
*);
313 extern int delete_ref(const char *, const unsigned char *sha1
);
315 /* Environment bits from configuration mechanism */
316 extern int trust_executable_bit
;
317 extern int quote_path_fully
;
318 extern int has_symlinks
;
319 extern int assume_unchanged
;
320 extern int prefer_symlink_refs
;
321 extern int log_all_ref_updates
;
322 extern int warn_ambiguous_refs
;
323 extern int shared_repository
;
324 extern const char *apply_default_whitespace
;
325 extern int zlib_compression_level
;
326 extern int core_compression_level
;
327 extern int core_compression_seen
;
328 extern size_t packed_git_window_size
;
329 extern size_t packed_git_limit
;
330 extern size_t delta_base_cache_limit
;
331 extern int auto_crlf
;
333 #define GIT_REPO_VERSION 0
334 extern int repository_format_version
;
335 extern int check_repository_format(void);
337 #define MTIME_CHANGED 0x0001
338 #define CTIME_CHANGED 0x0002
339 #define OWNER_CHANGED 0x0004
340 #define MODE_CHANGED 0x0008
341 #define INODE_CHANGED 0x0010
342 #define DATA_CHANGED 0x0020
343 #define TYPE_CHANGED 0x0040
345 /* Return a statically allocated filename matching the sha1 signature */
346 extern char *mkpath(const char *fmt
, ...) __attribute__((format (printf
, 1, 2)));
347 extern char *git_path(const char *fmt
, ...) __attribute__((format (printf
, 1, 2)));
348 extern char *sha1_file_name(const unsigned char *sha1
);
349 extern char *sha1_pack_name(const unsigned char *sha1
);
350 extern char *sha1_pack_index_name(const unsigned char *sha1
);
351 extern const char *find_unique_abbrev(const unsigned char *sha1
, int);
352 extern const unsigned char null_sha1
[20];
353 static inline int is_null_sha1(const unsigned char *sha1
)
355 return !memcmp(sha1
, null_sha1
, 20);
357 static inline int hashcmp(const unsigned char *sha1
, const unsigned char *sha2
)
359 return memcmp(sha1
, sha2
, 20);
361 static inline void hashcpy(unsigned char *sha_dst
, const unsigned char *sha_src
)
363 memcpy(sha_dst
, sha_src
, 20);
365 static inline void hashclr(unsigned char *hash
)
370 int git_mkstemp(char *path
, size_t n
, const char *template);
377 int git_config_perm(const char *var
, const char *value
);
378 int adjust_shared_perm(const char *path
);
379 int safe_create_leading_directories(char *path
);
380 char *enter_repo(char *path
, int strict
);
381 static inline int is_absolute_path(const char *path
)
384 return path
[0] == '/';
386 return path
[0] == '/' || (path
[0] && path
[1] == ':');
389 const char *make_absolute_path(const char *path
);
391 /* Read and unpack a sha1 file into memory, write memory to a sha1 file */
392 extern int sha1_object_info(const unsigned char *, unsigned long *);
393 extern void * read_sha1_file(const unsigned char *sha1
, enum object_type
*type
, unsigned long *size
);
394 extern int hash_sha1_file(const void *buf
, unsigned long len
, const char *type
, unsigned char *sha1
);
395 extern int write_sha1_file(void *buf
, unsigned long len
, const char *type
, unsigned char *return_sha1
);
396 extern int pretend_sha1_file(void *, unsigned long, enum object_type
, unsigned char *);
398 extern int check_sha1_signature(const unsigned char *sha1
, void *buf
, unsigned long size
, const char *type
);
400 extern int write_sha1_from_fd(const unsigned char *sha1
, int fd
, char *buffer
,
401 size_t bufsize
, size_t *bufposn
);
402 extern int write_sha1_to_fd(int fd
, const unsigned char *sha1
);
403 extern int move_temp_to_file(const char *tmpfile
, const char *filename
);
405 extern int has_sha1_pack(const unsigned char *sha1
, const char **ignore
);
406 extern int has_sha1_file(const unsigned char *sha1
);
408 extern int has_pack_file(const unsigned char *sha1
);
409 extern int has_pack_index(const unsigned char *sha1
);
411 extern const signed char hexval_table
[256];
412 static inline unsigned int hexval(unsigned char c
)
414 return hexval_table
[c
];
417 /* Convert to/from hex/sha1 representation */
418 #define MINIMUM_ABBREV 4
419 #define DEFAULT_ABBREV 7
421 extern int get_sha1(const char *str
, unsigned char *sha1
);
422 extern int get_sha1_with_mode(const char *str
, unsigned char *sha1
, unsigned *mode
);
423 extern int get_sha1_hex(const char *hex
, unsigned char *sha1
);
424 extern char *sha1_to_hex(const unsigned char *sha1
); /* static buffer result! */
425 extern int read_ref(const char *filename
, unsigned char *sha1
);
426 extern const char *resolve_ref(const char *path
, unsigned char *sha1
, int, int *);
427 extern int dwim_ref(const char *str
, int len
, unsigned char *sha1
, char **ref
);
428 extern int dwim_log(const char *str
, int len
, unsigned char *sha1
, char **ref
);
430 extern int refname_match(const char *abbrev_name
, const char *full_name
, const char **rules
);
431 extern const char *ref_rev_parse_rules
[];
432 extern const char *ref_fetch_rules
[];
434 extern int create_symref(const char *ref
, const char *refs_heads_master
, const char *logmsg
);
435 extern int validate_headref(const char *ref
);
437 extern int base_name_compare(const char *name1
, int len1
, int mode1
, const char *name2
, int len2
, int mode2
);
438 extern int cache_name_compare(const char *name1
, int len1
, const char *name2
, int len2
);
440 extern void *read_object_with_reference(const unsigned char *sha1
,
441 const char *required_type
,
443 unsigned char *sha1_ret
);
454 const char *show_date(unsigned long time
, int timezone
, enum date_mode mode
);
455 int parse_date(const char *date
, char *buf
, int bufsize
);
456 void datestamp(char *buf
, int bufsize
);
457 unsigned long approxidate(const char *);
458 enum date_mode
parse_date_format(const char *format
);
460 #define IDENT_WARN_ON_NO_NAME 1
461 #define IDENT_ERROR_ON_NO_NAME 2
462 #define IDENT_NO_DATE 4
463 extern const char *git_author_info(int);
464 extern const char *git_committer_info(int);
465 extern const char *fmt_ident(const char *name
, const char *email
, const char *date_str
, int);
466 extern const char *fmt_name(const char *name
, const char *email
);
469 const char *base_dir
;
477 extern int checkout_entry(struct cache_entry
*ce
, const struct checkout
*state
, char *topath
);
478 extern int has_symlink_leading_path(const char *name
, char *last_symlink
);
480 extern struct alternate_object_database
{
481 struct alternate_object_database
*next
;
483 char base
[FLEX_ARRAY
]; /* more */
485 extern void prepare_alt_odb(void);
488 struct pack_window
*next
;
492 unsigned int last_used
;
493 unsigned int inuse_cnt
;
496 extern struct packed_git
{
497 struct packed_git
*next
;
498 struct pack_window
*windows
;
500 const void *index_data
;
502 uint32_t num_objects
;
507 unsigned char sha1
[20];
508 /* something like ".git/objects/pack/xxxxx.pack" */
509 char pack_name
[FLEX_ARRAY
]; /* more */
514 unsigned char sha1
[20];
515 struct packed_git
*p
;
520 unsigned char old_sha1
[20];
521 unsigned char new_sha1
[20];
522 unsigned int force
:1,
529 REF_STATUS_REJECT_NONFASTFORWARD
,
530 REF_STATUS_REJECT_NODELETE
,
532 REF_STATUS_REMOTE_REJECT
,
533 REF_STATUS_EXPECTING_REPORT
,
536 struct ref
*peer_ref
; /* when renaming */
537 char name
[FLEX_ARRAY
]; /* more */
540 #define REF_NORMAL (1u << 0)
541 #define REF_HEADS (1u << 1)
542 #define REF_TAGS (1u << 2)
544 extern struct ref
*find_ref_by_name(struct ref
*list
, const char *name
);
546 #define CONNECT_VERBOSE (1u << 0)
547 extern struct child_process
*git_connect(int fd
[2], const char *url
, const char *prog
, int flags
);
548 extern int finish_connect(struct child_process
*conn
);
549 extern int path_match(const char *path
, int nr
, char **match
);
550 extern int get_ack(int fd
, unsigned char *result_sha1
);
551 extern struct ref
**get_remote_heads(int in
, struct ref
**list
, int nr_match
, char **match
, unsigned int flags
);
552 extern int server_supports(const char *feature
);
554 extern struct packed_git
*parse_pack_index(unsigned char *sha1
);
555 extern struct packed_git
*parse_pack_index_file(const unsigned char *sha1
,
556 const char *idx_path
);
558 extern void prepare_packed_git(void);
559 extern void reprepare_packed_git(void);
560 extern void install_packed_git(struct packed_git
*pack
);
562 extern struct packed_git
*find_sha1_pack(const unsigned char *sha1
,
563 struct packed_git
*packs
);
565 extern void pack_report(void);
566 extern int open_pack_index(struct packed_git
*);
567 extern unsigned char* use_pack(struct packed_git
*, struct pack_window
**, off_t
, unsigned int *);
568 extern void unuse_pack(struct pack_window
**);
569 extern struct packed_git
*add_packed_git(const char *, int, int);
570 extern const unsigned char *nth_packed_object_sha1(struct packed_git
*, uint32_t);
571 extern off_t
find_pack_entry_one(const unsigned char *, struct packed_git
*);
572 extern void *unpack_entry(struct packed_git
*, off_t
, enum object_type
*, unsigned long *);
573 extern unsigned long unpack_object_header_gently(const unsigned char *buf
, unsigned long len
, enum object_type
*type
, unsigned long *sizep
);
574 extern unsigned long get_size_from_delta(struct packed_git
*, struct pack_window
**, off_t
);
575 extern const char *packed_object_info_detail(struct packed_git
*, off_t
, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
576 extern int matches_pack_name(struct packed_git
*p
, const char *name
);
578 /* Dumb servers support */
579 extern int update_server_info(int);
581 typedef int (*config_fn_t
)(const char *, const char *);
582 extern int git_default_config(const char *, const char *);
583 extern int git_config_from_file(config_fn_t fn
, const char *);
584 extern int git_config(config_fn_t fn
);
585 extern int git_parse_long(const char *, long *);
586 extern int git_parse_ulong(const char *, unsigned long *);
587 extern int git_config_int(const char *, const char *);
588 extern unsigned long git_config_ulong(const char *, const char *);
589 extern int git_config_bool(const char *, const char *);
590 extern int git_config_set(const char *, const char *);
591 extern int git_config_set_multivar(const char *, const char *, const char *, int);
592 extern int git_config_rename_section(const char *, const char *);
593 extern const char *git_etc_gitconfig(void);
594 extern int check_repository_format_version(const char *var
, const char *value
);
596 #define MAX_GITNAME (1000)
597 extern char git_default_email
[MAX_GITNAME
];
598 extern char git_default_name
[MAX_GITNAME
];
600 extern const char *git_commit_encoding
;
601 extern const char *git_log_output_encoding
;
603 /* IO helper functions */
604 extern void maybe_flush_or_die(FILE *, const char *);
605 extern int copy_fd(int ifd
, int ofd
);
606 extern int read_in_full(int fd
, void *buf
, size_t count
);
607 extern int write_in_full(int fd
, const void *buf
, size_t count
);
608 extern void write_or_die(int fd
, const void *buf
, size_t count
);
609 extern int write_or_whine(int fd
, const void *buf
, size_t count
, const char *msg
);
610 extern int write_or_whine_pipe(int fd
, const void *buf
, size_t count
, const char *msg
);
613 extern void setup_pager(void);
614 extern char *pager_program
;
615 extern int pager_in_use(void);
616 extern int pager_use_color
;
618 extern char *editor_program
;
619 extern char *excludes_file
;
622 int decode_85(char *dst
, const char *line
, int linelen
);
623 void encode_85(char *buf
, const unsigned char *data
, int bytes
);
626 extern void *alloc_blob_node(void);
627 extern void *alloc_tree_node(void);
628 extern void *alloc_commit_node(void);
629 extern void *alloc_tag_node(void);
630 extern void *alloc_object_node(void);
631 extern void alloc_report(void);
634 extern void trace_printf(const char *format
, ...);
635 extern void trace_argv_printf(const char **argv
, const char *format
, ...);
638 /* returns 1 if *dst was used */
639 extern int convert_to_git(const char *path
, const char *src
, size_t len
, struct strbuf
*dst
);
640 extern int convert_to_working_tree(const char *path
, const char *src
, size_t len
, struct strbuf
*dst
);
643 void add_files_to_cache(int verbose
, const char *prefix
, const char **pathspec
);
646 extern int diff_auto_refresh_index
;
649 void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int);
653 * used by both diff and apply
655 #define WS_TRAILING_SPACE 01
656 #define WS_SPACE_BEFORE_TAB 02
657 #define WS_INDENT_WITH_NON_TAB 04
658 #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB)
659 extern unsigned whitespace_rule_cfg
;
660 extern unsigned whitespace_rule(const char *);
661 extern unsigned parse_whitespace_rule(const char *);
662 extern unsigned check_and_emit_line(const char *line
, int len
, unsigned ws_rule
,
663 FILE *stream
, const char *set
,
664 const char *reset
, const char *ws
);
665 extern char *whitespace_error_string(unsigned ws
);
668 int pathspec_match(const char **spec
, char *matched
, const char *filename
, int skiplen
);
669 int report_path_error(const char *ps_matched
, const char **pathspec
, int prefix_offset
);
670 void overlay_tree_on_cache(const char *tree_name
, const char *prefix
);