diff options
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 86 |
1 files changed, 47 insertions, 39 deletions
@@ -43,30 +43,6 @@ int git_deflate_end_gently(git_zstream *); int git_deflate(git_zstream *, int flush); unsigned long git_deflate_bound(git_zstream *, unsigned long); -/* The length in bytes and in hex digits of an object name (SHA-1 value). */ -#define GIT_SHA1_RAWSZ 20 -#define GIT_SHA1_HEXSZ (2 * GIT_SHA1_RAWSZ) -/* The block size of SHA-1. */ -#define GIT_SHA1_BLKSZ 64 - -/* The length in bytes and in hex digits of an object name (SHA-256 value). */ -#define GIT_SHA256_RAWSZ 32 -#define GIT_SHA256_HEXSZ (2 * GIT_SHA256_RAWSZ) -/* The block size of SHA-256. */ -#define GIT_SHA256_BLKSZ 64 - -/* The length in byte and in hex digits of the largest possible hash value. */ -#define GIT_MAX_RAWSZ GIT_SHA256_RAWSZ -#define GIT_MAX_HEXSZ GIT_SHA256_HEXSZ -/* The largest possible block size for any supported hash. */ -#define GIT_MAX_BLKSZ GIT_SHA256_BLKSZ - -struct object_id { - unsigned char hash[GIT_MAX_RAWSZ]; -}; - -#define the_hash_algo the_repository->hash_algo - #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) #define DTYPE(de) ((de)->d_type) #else @@ -438,6 +414,7 @@ extern struct index_state the_index; #define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) #define chmod_cache_entry(ce, flip) chmod_index_entry(&the_index, (ce), (flip)) #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL) +#define refresh_and_write_cache(refresh_flags, write_flags, gentle) repo_refresh_and_write_index(the_repository, (refresh_flags), (write_flags), (gentle), NULL, NULL, NULL) #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) #define cache_dir_exists(name, namelen) index_dir_exists(&the_index, (name), (namelen)) @@ -660,6 +637,9 @@ int daemonize(void); * at least 'nr' entries; the number of entries currently allocated * is 'alloc', using the standard growing factor alloc_nr() macro. * + * Consider using ALLOC_GROW_BY instead of ALLOC_GROW as it has some + * added niceties. + * * DO NOT USE any expression with side-effect for 'x', 'nr', or 'alloc'. */ #define ALLOC_GROW(x, nr, alloc) \ @@ -673,6 +653,25 @@ int daemonize(void); } \ } while (0) +/* + * Similar to ALLOC_GROW but handles updating of the nr value and + * zeroing the bytes of the newly-grown array elements. + * + * DO NOT USE any expression with side-effect for any of the + * arguments. + */ +#define ALLOC_GROW_BY(x, nr, increase, alloc) \ + do { \ + if (increase) { \ + size_t new_nr = nr + (increase); \ + if (new_nr < nr) \ + BUG("negative growth in ALLOC_GROW_BY"); \ + ALLOC_GROW(x, new_nr, alloc); \ + memset((x) + nr, 0, sizeof(*(x)) * (increase)); \ + nr = new_nr; \ + } \ + } while (0) + /* Initialize and use the cache information */ struct lock_file; void preload_index(struct index_state *index, @@ -836,6 +835,23 @@ void fill_stat_cache_info(struct index_state *istate, struct cache_entry *ce, st #define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */ #define REFRESH_PROGRESS 0x0040 /* show progress bar if stderr is tty */ int refresh_index(struct index_state *, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg); +/* + * Refresh the index and write it to disk. + * + * 'refresh_flags' is passed directly to 'refresh_index()', while + * 'COMMIT_LOCK | write_flags' is passed to 'write_locked_index()', so + * the lockfile is always either committed or rolled back. + * + * If 'gentle' is passed, errors locking the index are ignored. + * + * Return 1 if refreshing the index returns an error, -1 if writing + * the index to disk fails, 0 on success. + * + * Note that if refreshing the index returns an error, we still write + * out the index (unless locking fails). + */ +int repo_refresh_and_write_index(struct repository*, unsigned int refresh_flags, unsigned int write_flags, int gentle, const struct pathspec *, char *seen, const char *header_msg); + struct cache_entry *refresh_cache_entry(struct index_state *, struct cache_entry *, unsigned int); void set_alternate_index_output(const char *); @@ -961,8 +977,6 @@ extern int grafts_replace_parents; #define GIT_REPO_VERSION 0 #define GIT_REPO_VERSION_READ 1 extern int repository_format_precious_objects; -extern char *repository_format_partial_clone; -extern const char *core_partial_clone_filter_default; extern int repository_format_worktree_config; /* @@ -1053,7 +1067,6 @@ const char *repo_find_unique_abbrev(struct repository *r, const struct object_id int repo_find_unique_abbrev_r(struct repository *r, char *hex, const struct object_id *oid, int len); #define find_unique_abbrev_r(hex, oid, len) repo_find_unique_abbrev_r(the_repository, hex, oid, len) -extern const unsigned char null_sha1[GIT_MAX_RAWSZ]; extern const struct object_id null_oid; static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) @@ -1088,14 +1101,9 @@ static inline int oideq(const struct object_id *oid1, const struct object_id *oi return hasheq(oid1->hash, oid2->hash); } -static inline int is_null_sha1(const unsigned char *sha1) -{ - return hasheq(sha1, null_sha1); -} - static inline int is_null_oid(const struct object_id *oid) { - return hasheq(oid->hash, null_sha1); + return oideq(oid, &null_oid); } static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) @@ -1500,7 +1508,8 @@ int df_name_compare(const char *name1, int len1, int mode1, const char *name2, i int name_compare(const char *name1, size_t len1, const char *name2, size_t len2); int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2); -void *read_object_with_reference(const struct object_id *oid, +void *read_object_with_reference(struct repository *r, + const struct object_id *oid, const char *required_type, unsigned long *size, struct object_id *oid_ret); @@ -1539,8 +1548,7 @@ struct date_mode { struct date_mode *date_mode_from_type(enum date_mode_type type); const char *show_date(timestamp_t time, int timezone, const struct date_mode *mode); -void show_date_relative(timestamp_t time, const struct timeval *now, - struct strbuf *timebuf); +void show_date_relative(timestamp_t time, struct strbuf *timebuf); void show_date_human(timestamp_t time, int tz, const struct timeval *now, struct strbuf *timebuf); int parse_date(const char *date, struct strbuf *out); @@ -1549,7 +1557,7 @@ int parse_expiry_date(const char *date, timestamp_t *timestamp); void datestamp(struct strbuf *out); #define approxidate(s) approxidate_careful((s), NULL) timestamp_t approxidate_careful(const char *, int *); -timestamp_t approxidate_relative(const char *date, const struct timeval *now); +timestamp_t approxidate_relative(const char *date); void parse_date_format(const char *format, struct date_mode *mode); int date_overflows(timestamp_t date); @@ -1786,8 +1794,8 @@ int add_files_to_cache(const char *prefix, const struct pathspec *pathspec, int extern int diff_auto_refresh_index; /* match-trees.c */ -void shift_tree(const struct object_id *, const struct object_id *, struct object_id *, int); -void shift_tree_by(const struct object_id *, const struct object_id *, struct object_id *, const char *); +void shift_tree(struct repository *, const struct object_id *, const struct object_id *, struct object_id *, int); +void shift_tree_by(struct repository *, const struct object_id *, const struct object_id *, struct object_id *, const char *); /* * whitespace rules. |