diff options
Diffstat (limited to 'cache.h')
| -rw-r--r-- | cache.h | 132 |
1 files changed, 68 insertions, 64 deletions
@@ -410,6 +410,15 @@ struct cache_entry *dup_cache_entry(const struct cache_entry *ce, struct index_s */ void validate_cache_entries(const struct index_state *istate); +/* + * Bulk prefetch all missing cache entries that are not GITLINKs and that match + * the given predicate. This function should only be called if + * has_promisor_remote() returns true. + */ +typedef int (*must_prefetch_predicate)(const struct cache_entry *); +void prefetch_cache_entries(const struct index_state *istate, + must_prefetch_predicate must_prefetch); + #ifdef USE_THE_INDEX_COMPATIBILITY_MACROS extern struct index_state the_index; @@ -878,6 +887,7 @@ int ie_modified(struct index_state *, const struct cache_entry *, struct stat *, #define HASH_WRITE_OBJECT 1 #define HASH_FORMAT_CHECK 2 #define HASH_RENORMALIZE 4 +#define HASH_SILENT 8 int index_fd(struct index_state *istate, struct object_id *oid, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags); int index_path(struct index_state *istate, struct object_id *oid, const char *path, struct stat *st, unsigned flags); @@ -949,7 +959,6 @@ extern char *apply_default_ignorewhitespace; extern const char *git_attributes_file; extern const char *git_hooks_path; extern int zlib_compression_level; -extern int core_compression_level; extern int pack_compression_level; extern size_t packed_git_window_size; extern size_t packed_git_limit; @@ -987,14 +996,6 @@ extern int core_apply_sparse_checkout; extern int core_sparse_checkout_cone; /* - * Include broken refs in all ref iterations, which will - * generally choke dangerous operations rather than letting - * them silently proceed without taking the broken ref into - * account. - */ -extern int ref_paranoia; - -/* * Returns the boolean value of $GIT_OPTIONAL_LOCKS (or the default value). */ int use_optional_locks(void); @@ -1202,51 +1203,10 @@ enum scld_error safe_create_leading_directories(char *path); enum scld_error safe_create_leading_directories_const(const char *path); enum scld_error safe_create_leading_directories_no_share(char *path); -/* - * Callback function for raceproof_create_file(). This function is - * expected to do something that makes dirname(path) permanent despite - * the fact that other processes might be cleaning up empty - * directories at the same time. Usually it will create a file named - * path, but alternatively it could create another file in that - * directory, or even chdir() into that directory. The function should - * return 0 if the action was completed successfully. On error, it - * should return a nonzero result and set errno. - * raceproof_create_file() treats two errno values specially: - * - * - ENOENT -- dirname(path) does not exist. In this case, - * raceproof_create_file() tries creating dirname(path) - * (and any parent directories, if necessary) and calls - * the function again. - * - * - EISDIR -- the file already exists and is a directory. In this - * case, raceproof_create_file() removes the directory if - * it is empty (and recursively any empty directories that - * it contains) and calls the function again. - * - * Any other errno causes raceproof_create_file() to fail with the - * callback's return value and errno. - * - * Obviously, this function should be OK with being called again if it - * fails with ENOENT or EISDIR. In other scenarios it will not be - * called again. - */ -typedef int create_file_fn(const char *path, void *cb); - -/* - * Create a file in dirname(path) by calling fn, creating leading - * directories if necessary. Retry a few times in case we are racing - * with another process that is trying to clean up the directory that - * contains path. See the documentation for create_file_fn for more - * details. - * - * Return the value and set the errno that resulted from the most - * recent call of fn. fn is always called at least once, and will be - * called more than once if it returns ENOENT or EISDIR. - */ -int raceproof_create_file(const char *path, create_file_fn fn, void *cb); - int mkdir_in_gitdir(const char *path); -char *expand_user_path(const char *path, int real_home); +char *interpolate_path(const char *path, int real_home); +/* NEEDSWORK: remove this synonym once in-flight topics have migrated */ +#define expand_user_path interpolate_path const char *enter_repo(const char *path, int strict); static inline int is_absolute_path(const char *path) { @@ -1288,6 +1248,13 @@ int looks_like_command_line_option(const char *str); /** * Return a newly allocated string with the evaluation of + * "$XDG_CONFIG_HOME/$subdir/$filename" if $XDG_CONFIG_HOME is non-empty, otherwise + * "$HOME/.config/$subdir/$filename". Return NULL upon error. + */ +char *xdg_config_home_for(const char *subdir, const char *filename); + +/** + * Return a newly allocated string with the evaluation of * "$XDG_CONFIG_HOME/git/$filename" if $XDG_CONFIG_HOME is non-empty, otherwise * "$HOME/.config/git/$filename". Return NULL upon error. */ @@ -1302,11 +1269,50 @@ char *xdg_cache_home(const char *filename); int git_open_cloexec(const char *name, int flags); #define git_open(name) git_open_cloexec(name, O_RDONLY) -int unpack_loose_header(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz); -int parse_loose_header(const char *hdr, unsigned long *sizep); + +/** + * unpack_loose_header() initializes the data stream needed to unpack + * a loose object header. + * + * Returns: + * + * - ULHR_OK on success + * - ULHR_BAD on error + * - ULHR_TOO_LONG if the header was too long + * + * It will only parse up to MAX_HEADER_LEN bytes unless an optional + * "hdrbuf" argument is non-NULL. This is intended for use with + * OBJECT_INFO_ALLOW_UNKNOWN_TYPE to extract the bad type for (error) + * reporting. The full header will be extracted to "hdrbuf" for use + * with parse_loose_header(), ULHR_TOO_LONG will still be returned + * from this function to indicate that the header was too long. + */ +enum unpack_loose_header_result { + ULHR_OK, + ULHR_BAD, + ULHR_TOO_LONG, +}; +enum unpack_loose_header_result unpack_loose_header(git_zstream *stream, + unsigned char *map, + unsigned long mapsize, + void *buffer, + unsigned long bufsiz, + struct strbuf *hdrbuf); + +/** + * parse_loose_header() parses the starting "<type> <len>\0" of an + * object. If it doesn't follow that format -1 is returned. To check + * the validity of the <type> populate the "typep" in the "struct + * object_info". It will be OBJ_BAD if the object type is unknown. The + * parsed <len> can be retrieved via "oi->sizep", and from there + * passed to unpack_loose_rest(). + */ +struct object_info; +int parse_loose_header(const char *hdr, struct object_info *oi); int check_object_signature(struct repository *r, const struct object_id *oid, - void *buf, unsigned long size, const char *type); + void *buf, unsigned long size, const char *type, + struct object_id *real_oidp); int finalize_object_file(const char *tmpfile, const char *filename); @@ -1385,6 +1391,7 @@ enum get_oid_result { }; int repo_get_oid(struct repository *r, const char *str, struct object_id *oid); +__attribute__((format (printf, 2, 3))) int get_oidf(struct object_id *oid, const char *fmt, ...); int repo_get_oid_commit(struct repository *r, const char *str, struct object_id *oid); int repo_get_oid_committish(struct repository *r, const char *str, struct object_id *oid); @@ -1650,7 +1657,9 @@ struct cache_def { int track_flags; int prefix_len_stat_func; }; -#define CACHE_DEF_INIT { STRBUF_INIT, 0, 0, 0 } +#define CACHE_DEF_INIT { \ + .path = STRBUF_INIT, \ +} static inline void cache_def_clear(struct cache_def *cache) { strbuf_release(&cache->path); @@ -1707,13 +1716,6 @@ int update_server_info(int); const char *get_log_output_encoding(void); const char *get_commit_output_encoding(void); -/* - * This is a hack for test programs like test-dump-untracked-cache to - * ensure that they do not modify the untracked cache when reading it. - * Do not use it otherwise! - */ -extern int ignore_untracked_cache_config; - int committer_ident_sufficiently_given(void); int author_ident_sufficiently_given(void); @@ -1726,6 +1728,8 @@ extern const char *git_mailmap_blob; void maybe_flush_or_die(FILE *, const char *); __attribute__((format (printf, 2, 3))) void fprintf_or_die(FILE *, const char *fmt, ...); +void fwrite_or_die(FILE *f, const void *buf, size_t count); +void fflush_or_die(FILE *f); #define COPY_READ_ERROR (-2) #define COPY_WRITE_ERROR (-3) |