diff options
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 127 |
1 files changed, 93 insertions, 34 deletions
@@ -24,6 +24,25 @@ #define DTYPE(de) DT_UNKNOWN #endif +/* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ +#define S_IFINVALID 0030000 + +/* + * A "directory link" is a link to another git directory. + * + * The value 0160000 is not normally a valid mode, and + * also just happens to be S_IFDIR + S_IFLNK + * + * NOTE! We *really* shouldn't depend on the S_IFxxx macros + * always having the same values everywhere. We should use + * our internal git values for these things, and then we can + * translate that to the OS-specific value. It just so + * happens that everybody shares the same bit representation + * in the UNIX world (and apparently wider too..) + */ +#define S_IFDIRLNK 0160000 +#define S_ISDIRLNK(m) (((m) & S_IFMT) == S_IFDIRLNK) + /* * Intensive research over the course of many years has shown that * port 9418 is totally unused by anything else. Or @@ -104,6 +123,8 @@ static inline unsigned int create_ce_mode(unsigned int mode) { if (S_ISLNK(mode)) return htonl(S_IFLNK); + if (S_ISDIR(mode) || S_ISDIRLNK(mode)) + return htonl(S_IFDIRLNK); return htonl(S_IFREG | ce_permissions(mode)); } static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode) @@ -121,14 +142,41 @@ static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned in } #define canon_mode(mode) \ (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ - S_ISLNK(mode) ? S_IFLNK : S_IFDIR) + S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFDIRLNK) #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7) -extern struct cache_entry **active_cache; -extern unsigned int active_nr, active_alloc, active_cache_changed; -extern struct cache_tree *active_cache_tree; -extern int cache_errno; +struct index_state { + struct cache_entry **cache; + unsigned int cache_nr, cache_alloc, cache_changed; + struct cache_tree *cache_tree; + time_t timestamp; + void *mmap; + size_t mmap_size; +}; + +extern struct index_state the_index; + +#ifndef NO_THE_INDEX_COMPATIBILITY_MACROS +#define active_cache (the_index.cache) +#define active_nr (the_index.cache_nr) +#define active_alloc (the_index.cache_alloc) +#define active_cache_changed (the_index.cache_changed) +#define active_cache_tree (the_index.cache_tree) + +#define read_cache() read_index(&the_index) +#define read_cache_from(path) read_index_from(&the_index, (path)) +#define write_cache(newfd, cache, entries) write_index(&the_index, (newfd)) +#define discard_cache() discard_index(&the_index) +#define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen)) +#define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) +#define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) +#define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) +#define add_file_to_cache(path, verbose) add_file_to_index(&the_index, (path), (verbose)) +#define refresh_cache(flags) refresh_index(&the_index, flags) +#define ce_match_stat(ce, st, really) ie_match_stat(&the_index, (ce), (st), (really)) +#define ce_modified(ce, st, really) ie_modified(&the_index, (ce), (st), (really)) +#endif enum object_type { OBJ_BAD = -1, @@ -152,6 +200,9 @@ enum object_type { #define CONFIG_ENVIRONMENT "GIT_CONFIG" #define CONFIG_LOCAL_ENVIRONMENT "GIT_CONFIG_LOCAL" #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" +#define GITATTRIBUTES_FILE ".gitattributes" +#define INFOATTRIBUTES_FILE "info/attributes" +#define ATTRIBUTE_MACRO_PREFIX "[attr]" extern int is_bare_repository_cfg; extern int is_bare_repository(void); @@ -175,23 +226,23 @@ extern void verify_non_filename(const char *prefix, const char *name); #define alloc_nr(x) (((x)+16)*3/2) /* Initialize and use the cache information */ -extern int read_cache(void); -extern int read_cache_from(const char *path); -extern int write_cache(int newfd, struct cache_entry **cache, int entries); -extern int discard_cache(void); +extern int read_index(struct index_state *); +extern int read_index_from(struct index_state *, const char *path); +extern int write_index(struct index_state *, int newfd); +extern int discard_index(struct index_state *); extern int verify_path(const char *path); -extern int cache_name_pos(const char *name, int namelen); +extern int index_name_pos(struct index_state *, const char *name, int namelen); #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ -extern int add_cache_entry(struct cache_entry *ce, int option); +extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); -extern int remove_cache_entry_at(int pos); -extern int remove_file_from_cache(const char *path); -extern int add_file_to_index(const char *path, int verbose); +extern int remove_index_entry_at(struct index_state *, int pos); +extern int remove_file_from_index(struct index_state *, const char *path); +extern int add_file_to_index(struct index_state *, const char *path, int verbose); extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); -extern int ce_match_stat(struct cache_entry *ce, struct stat *st, int); -extern int ce_modified(struct cache_entry *ce, struct stat *st, int); +extern int ie_match_stat(struct index_state *, struct cache_entry *, struct stat *, int); +extern int ie_modified(struct index_state *, struct cache_entry *, struct stat *, int); extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path); extern int read_pipe(int fd, char** return_buf, unsigned long* return_size); @@ -203,15 +254,21 @@ extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ #define REFRESH_QUIET 0x0004 /* be quiet about it */ #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ -extern int refresh_cache(unsigned int flags); +extern int refresh_index(struct index_state *, unsigned int flags); struct lock_file { struct lock_file *next; + pid_t owner; char on_list; char filename[PATH_MAX]; }; extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); extern int commit_lock_file(struct lock_file *); + +extern int hold_locked_index(struct lock_file *, int); +extern int commit_locked_index(struct lock_file *); +extern void set_alternate_index_output(const char *); + extern void rollback_lock_file(struct lock_file *); extern int delete_ref(const char *, const unsigned char *sha1); @@ -313,6 +370,7 @@ static inline unsigned int hexval(unsigned int c) #define DEFAULT_ABBREV 7 extern int get_sha1(const char *str, unsigned char *sha1); +extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode); extern int get_sha1_hex(const char *hex, unsigned char *sha1); extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ extern int read_ref(const char *filename, unsigned char *sha1); @@ -331,7 +389,7 @@ extern void *read_object_with_reference(const unsigned char *sha1, unsigned long *size, unsigned char *sha1_ret); -enum date_mode { DATE_NORMAL = 0, DATE_RELATIVE, DATE_SHORT }; +enum date_mode { DATE_NORMAL = 0, DATE_RELATIVE, DATE_SHORT, DATE_LOCAL }; const char *show_date(unsigned long time, int timezone, enum date_mode mode); const char *show_rfc2822_date(unsigned long time, int timezone); int parse_date(const char *date, char *buf, int bufsize); @@ -351,7 +409,7 @@ struct checkout { refresh_cache:1; }; -extern int checkout_entry(struct cache_entry *ce, struct checkout *state, char *topath); +extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); extern struct alternate_object_database { struct alternate_object_database *next; @@ -372,11 +430,12 @@ struct pack_window { extern struct packed_git { struct packed_git *next; struct pack_window *windows; - const void *index_data; - off_t index_size; off_t pack_size; - time_t mtime; + const void *index_data; + size_t index_size; + uint32_t num_objects; int index_version; + time_t mtime; int pack_fd; int pack_local; unsigned char sha1[20]; @@ -427,11 +486,11 @@ extern void pack_report(void); extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *); extern void unuse_pack(struct pack_window **); extern struct packed_git *add_packed_git(const char *, int, int); -extern uint32_t num_packed_objects(const struct packed_git *p); -extern int nth_packed_object_sha1(const struct packed_git *, uint32_t, unsigned char*); +extern const unsigned char *nth_packed_object_sha1(const struct packed_git *, uint32_t); extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); extern unsigned long unpack_object_header_gently(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); +extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); extern const char *packed_object_info_detail(struct packed_git *, off_t, unsigned long *, unsigned long *, unsigned int *, unsigned char *); /* Dumb servers support */ @@ -472,14 +531,11 @@ int decode_85(char *dst, const char *line, int linelen); void encode_85(char *buf, const unsigned char *data, int bytes); /* alloc.c */ -struct blob; -struct tree; -struct commit; -struct tag; -extern struct blob *alloc_blob_node(void); -extern struct tree *alloc_tree_node(void); -extern struct commit *alloc_commit_node(void); -extern struct tag *alloc_tag_node(void); +extern void *alloc_blob_node(void); +extern void *alloc_tree_node(void); +extern void *alloc_commit_node(void); +extern void *alloc_tag_node(void); +extern void *alloc_object_node(void); extern void alloc_report(void); /* trace.c */ @@ -489,7 +545,10 @@ extern void trace_printf(const char *format, ...); extern void trace_argv_printf(const char **argv, int count, const char *format, ...); /* convert.c */ -extern int convert_to_git(const char *path, char **bufp, unsigned long *sizep); -extern int convert_to_working_tree(const char *path, char **bufp, unsigned long *sizep); +extern char *convert_to_git(const char *path, const char *src, unsigned long *sizep); +extern char *convert_to_working_tree(const char *path, const char *src, unsigned long *sizep); + +/* match-trees.c */ +void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); #endif /* CACHE_H */ |