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Diffstat (limited to 'third_party/git/config.h')
| -rw-r--r-- | third_party/git/config.h | 621 |
1 files changed, 0 insertions, 621 deletions
diff --git a/third_party/git/config.h b/third_party/git/config.h deleted file mode 100644 index 91cdfbfb414f..000000000000 --- a/third_party/git/config.h +++ /dev/null @@ -1,621 +0,0 @@ -#ifndef CONFIG_H -#define CONFIG_H - -#include "hashmap.h" -#include "string-list.h" - - -/** - * The config API gives callers a way to access Git configuration files - * (and files which have the same syntax). - * - * General Usage - * ------------- - * - * Config files are parsed linearly, and each variable found is passed to a - * caller-provided callback function. The callback function is responsible - * for any actions to be taken on the config option, and is free to ignore - * some options. It is not uncommon for the configuration to be parsed - * several times during the run of a Git program, with different callbacks - * picking out different variables useful to themselves. - */ - -struct object_id; - -/* git_config_parse_key() returns these negated: */ -#define CONFIG_INVALID_KEY 1 -#define CONFIG_NO_SECTION_OR_NAME 2 -/* git_config_set_gently(), git_config_set_multivar_gently() return the above or these: */ -#define CONFIG_NO_LOCK -1 -#define CONFIG_INVALID_FILE 3 -#define CONFIG_NO_WRITE 4 -#define CONFIG_NOTHING_SET 5 -#define CONFIG_INVALID_PATTERN 6 -#define CONFIG_GENERIC_ERROR 7 - -#define CONFIG_REGEX_NONE ((void *)1) - -enum config_scope { - CONFIG_SCOPE_UNKNOWN = 0, - CONFIG_SCOPE_SYSTEM, - CONFIG_SCOPE_GLOBAL, - CONFIG_SCOPE_LOCAL, - CONFIG_SCOPE_WORKTREE, - CONFIG_SCOPE_COMMAND, - CONFIG_SCOPE_SUBMODULE, -}; -const char *config_scope_name(enum config_scope scope); - -struct git_config_source { - unsigned int use_stdin:1; - const char *file; - const char *blob; - enum config_scope scope; -}; - -enum config_origin_type { - CONFIG_ORIGIN_BLOB, - CONFIG_ORIGIN_FILE, - CONFIG_ORIGIN_STDIN, - CONFIG_ORIGIN_SUBMODULE_BLOB, - CONFIG_ORIGIN_CMDLINE -}; - -enum config_event_t { - CONFIG_EVENT_SECTION, - CONFIG_EVENT_ENTRY, - CONFIG_EVENT_WHITESPACE, - CONFIG_EVENT_COMMENT, - CONFIG_EVENT_EOF, - CONFIG_EVENT_ERROR -}; - -/* - * The parser event function (if not NULL) is called with the event type and - * the begin/end offsets of the parsed elements. - * - * Note: for CONFIG_EVENT_ENTRY (i.e. config variables), the trailing newline - * character is considered part of the element. - */ -typedef int (*config_parser_event_fn_t)(enum config_event_t type, - size_t begin_offset, size_t end_offset, - void *event_fn_data); - -struct config_options { - unsigned int respect_includes : 1; - unsigned int ignore_repo : 1; - unsigned int ignore_worktree : 1; - unsigned int ignore_cmdline : 1; - unsigned int system_gently : 1; - const char *commondir; - const char *git_dir; - config_parser_event_fn_t event_fn; - void *event_fn_data; - enum config_error_action { - CONFIG_ERROR_UNSET = 0, /* use source-specific default */ - CONFIG_ERROR_DIE, /* die() on error */ - CONFIG_ERROR_ERROR, /* error() on error, return -1 */ - CONFIG_ERROR_SILENT, /* return -1 */ - } error_action; -}; - -/** - * A config callback function takes three parameters: - * - * - the name of the parsed variable. This is in canonical "flat" form: the - * section, subsection, and variable segments will be separated by dots, - * and the section and variable segments will be all lowercase. E.g., - * `core.ignorecase`, `diff.SomeType.textconv`. - * - * - the value of the found variable, as a string. If the variable had no - * value specified, the value will be NULL (typically this means it - * should be interpreted as boolean true). - * - * - a void pointer passed in by the caller of the config API; this can - * contain callback-specific data - * - * A config callback should return 0 for success, or -1 if the variable - * could not be parsed properly. - */ -typedef int (*config_fn_t)(const char *, const char *, void *); - -int git_default_config(const char *, const char *, void *); - -/** - * Read a specific file in git-config format. - * This function takes the same callback and data parameters as `git_config`. - */ -int git_config_from_file(config_fn_t fn, const char *, void *); - -int git_config_from_file_with_options(config_fn_t fn, const char *, - void *, - const struct config_options *); -int git_config_from_mem(config_fn_t fn, - const enum config_origin_type, - const char *name, - const char *buf, size_t len, - void *data, const struct config_options *opts); -int git_config_from_blob_oid(config_fn_t fn, const char *name, - const struct object_id *oid, void *data); -void git_config_push_parameter(const char *text); -int git_config_from_parameters(config_fn_t fn, void *data); -void read_early_config(config_fn_t cb, void *data); -void read_very_early_config(config_fn_t cb, void *data); - -/** - * Most programs will simply want to look up variables in all config files - * that Git knows about, using the normal precedence rules. To do this, - * call `git_config` with a callback function and void data pointer. - * - * `git_config` will read all config sources in order of increasing - * priority. Thus a callback should typically overwrite previously-seen - * entries with new ones (e.g., if both the user-wide `~/.gitconfig` and - * repo-specific `.git/config` contain `color.ui`, the config machinery - * will first feed the user-wide one to the callback, and then the - * repo-specific one; by overwriting, the higher-priority repo-specific - * value is left at the end). - */ -void git_config(config_fn_t fn, void *); - -/** - * Lets the caller examine config while adjusting some of the default - * behavior of `git_config`. It should almost never be used by "regular" - * Git code that is looking up configuration variables. - * It is intended for advanced callers like `git-config`, which are - * intentionally tweaking the normal config-lookup process. - * It takes two extra parameters: - * - * - `config_source` - * If this parameter is non-NULL, it specifies the source to parse for - * configuration, rather than looking in the usual files. See `struct - * git_config_source` in `config.h` for details. Regular `git_config` defaults - * to `NULL`. - * - * - `opts` - * Specify options to adjust the behavior of parsing config files. See `struct - * config_options` in `config.h` for details. As an example: regular `git_config` - * sets `opts.respect_includes` to `1` by default. - */ -int config_with_options(config_fn_t fn, void *, - struct git_config_source *config_source, - const struct config_options *opts); - -/** - * Value Parsing Helpers - * --------------------- - * - * The following helper functions aid in parsing string values - */ - -int git_parse_ssize_t(const char *, ssize_t *); -int git_parse_ulong(const char *, unsigned long *); - -/** - * Same as `git_config_bool`, except that it returns -1 on error rather - * than dying. - */ -int git_parse_maybe_bool(const char *); - -/** - * Parse the string to an integer, including unit factors. Dies on error; - * otherwise, returns the parsed result. - */ -int git_config_int(const char *, const char *); - -int64_t git_config_int64(const char *, const char *); - -/** - * Identical to `git_config_int`, but for unsigned longs. - */ -unsigned long git_config_ulong(const char *, const char *); - -ssize_t git_config_ssize_t(const char *, const char *); - -/** - * Same as `git_config_bool`, except that integers are returned as-is, and - * an `is_bool` flag is unset. - */ -int git_config_bool_or_int(const char *, const char *, int *); - -/** - * Parse a string into a boolean value, respecting keywords like "true" and - * "false". Integer values are converted into true/false values (when they - * are non-zero or zero, respectively). Other values cause a die(). If - * parsing is successful, the return value is the result. - */ -int git_config_bool(const char *, const char *); - -/** - * Allocates and copies the value string into the `dest` parameter; if no - * string is given, prints an error message and returns -1. - */ -int git_config_string(const char **, const char *, const char *); - -/** - * Similar to `git_config_string`, but expands `~` or `~user` into the - * user's home directory when found at the beginning of the path. - */ -int git_config_pathname(const char **, const char *, const char *); - -int git_config_expiry_date(timestamp_t *, const char *, const char *); -int git_config_color(char *, const char *, const char *); -int git_config_set_in_file_gently(const char *, const char *, const char *); - -/** - * write config values to a specific config file, takes a key/value pair as - * parameter. - */ -void git_config_set_in_file(const char *, const char *, const char *); - -int git_config_set_gently(const char *, const char *); - -/** - * write config values to `.git/config`, takes a key/value pair as parameter. - */ -void git_config_set(const char *, const char *); - -int git_config_parse_key(const char *, char **, size_t *); -int git_config_key_is_valid(const char *key); -int git_config_set_multivar_gently(const char *, const char *, const char *, int); -void git_config_set_multivar(const char *, const char *, const char *, int); -int git_config_set_multivar_in_file_gently(const char *, const char *, const char *, const char *, int); - -/** - * takes four parameters: - * - * - the name of the file, as a string, to which key/value pairs will be written. - * - * - the name of key, as a string. This is in canonical "flat" form: the section, - * subsection, and variable segments will be separated by dots, and the section - * and variable segments will be all lowercase. - * E.g., `core.ignorecase`, `diff.SomeType.textconv`. - * - * - the value of the variable, as a string. If value is equal to NULL, it will - * remove the matching key from the config file. - * - * - the value regex, as a string. It will disregard key/value pairs where value - * does not match. - * - * - a multi_replace value, as an int. If value is equal to zero, nothing or only - * one matching key/value is replaced, else all matching key/values (regardless - * how many) are removed, before the new pair is written. - * - * It returns 0 on success. - */ -void git_config_set_multivar_in_file(const char *, const char *, const char *, const char *, int); - -/** - * rename or remove sections in the config file - * parameters `old_name` and `new_name` - * If NULL is passed through `new_name` parameter, - * the section will be removed from the config file. - */ -int git_config_rename_section(const char *, const char *); - -int git_config_rename_section_in_file(const char *, const char *, const char *); -int git_config_copy_section(const char *, const char *); -int git_config_copy_section_in_file(const char *, const char *, const char *); -const char *git_etc_gitconfig(void); -int git_env_bool(const char *, int); -unsigned long git_env_ulong(const char *, unsigned long); -int git_config_system(void); -int config_error_nonbool(const char *); -#if defined(__GNUC__) -#define config_error_nonbool(s) (config_error_nonbool(s), const_error()) -#endif - -int git_config_parse_parameter(const char *, config_fn_t fn, void *data); - -enum config_scope current_config_scope(void); -const char *current_config_origin_type(void); -const char *current_config_name(void); -int current_config_line(void); - -/** - * Include Directives - * ------------------ - * - * By default, the config parser does not respect include directives. - * However, a caller can use the special `git_config_include` wrapper - * callback to support them. To do so, you simply wrap your "real" callback - * function and data pointer in a `struct config_include_data`, and pass - * the wrapper to the regular config-reading functions. For example: - * - * ------------------------------------------- - * int read_file_with_include(const char *file, config_fn_t fn, void *data) - * { - * struct config_include_data inc = CONFIG_INCLUDE_INIT; - * inc.fn = fn; - * inc.data = data; - * return git_config_from_file(git_config_include, file, &inc); - * } - * ------------------------------------------- - * - * `git_config` respects includes automatically. The lower-level - * `git_config_from_file` does not. - * - */ -struct config_include_data { - int depth; - config_fn_t fn; - void *data; - const struct config_options *opts; -}; -#define CONFIG_INCLUDE_INIT { 0 } -int git_config_include(const char *name, const char *value, void *data); - -/* - * Match and parse a config key of the form: - * - * section.(subsection.)?key - * - * (i.e., what gets handed to a config_fn_t). The caller provides the section; - * we return -1 if it does not match, 0 otherwise. The subsection and key - * out-parameters are filled by the function (and *subsection is NULL if it is - * missing). - * - * If the subsection pointer-to-pointer passed in is NULL, returns 0 only if - * there is no subsection at all. - */ -int parse_config_key(const char *var, - const char *section, - const char **subsection, size_t *subsection_len, - const char **key); - -/** - * Custom Configsets - * ----------------- - * - * A `config_set` can be used to construct an in-memory cache for - * config-like files that the caller specifies (i.e., files like `.gitmodules`, - * `~/.gitconfig` etc.). For example, - * - * ---------------------------------------- - * struct config_set gm_config; - * git_configset_init(&gm_config); - * int b; - * //we add config files to the config_set - * git_configset_add_file(&gm_config, ".gitmodules"); - * git_configset_add_file(&gm_config, ".gitmodules_alt"); - * - * if (!git_configset_get_bool(gm_config, "submodule.frotz.ignore", &b)) { - * //hack hack hack - * } - * - * when we are done with the configset: - * git_configset_clear(&gm_config); - * ---------------------------------------- - * - * Configset API provides functions for the above mentioned work flow - */ - -struct config_set_element { - struct hashmap_entry ent; - char *key; - struct string_list value_list; -}; - -struct configset_list_item { - struct config_set_element *e; - int value_index; -}; - -/* - * the contents of the list are ordered according to their - * position in the config files and order of parsing the files. - * (i.e. key-value pair at the last position of .git/config will - * be at the last item of the list) - */ -struct configset_list { - struct configset_list_item *items; - unsigned int nr, alloc; -}; - -struct config_set { - struct hashmap config_hash; - int hash_initialized; - struct configset_list list; -}; - -/** - * Initializes the config_set `cs`. - */ -void git_configset_init(struct config_set *cs); - -/** - * Parses the file and adds the variable-value pairs to the `config_set`, - * dies if there is an error in parsing the file. Returns 0 on success, or - * -1 if the file does not exist or is inaccessible. The user has to decide - * if he wants to free the incomplete configset or continue using it when - * the function returns -1. - */ -int git_configset_add_file(struct config_set *cs, const char *filename); - -/** - * Finds and returns the value list, sorted in order of increasing priority - * for the configuration variable `key` and config set `cs`. When the - * configuration variable `key` is not found, returns NULL. The caller - * should not free or modify the returned pointer, as it is owned by the cache. - */ -const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key); - -/** - * Clears `config_set` structure, removes all saved variable-value pairs. - */ -void git_configset_clear(struct config_set *cs); - -/* - * These functions return 1 if not found, and 0 if found, leaving the found - * value in the 'dest' pointer. - */ - -/* - * Finds the highest-priority value for the configuration variable `key` - * and config set `cs`, stores the pointer to it in `value` and returns 0. - * When the configuration variable `key` is not found, returns 1 without - * touching `value`. The caller should not free or modify `value`, as it - * is owned by the cache. - */ -int git_configset_get_value(struct config_set *cs, const char *key, const char **dest); - -int git_configset_get_string(struct config_set *cs, const char *key, char **dest); -int git_configset_get_string_tmp(struct config_set *cs, const char *key, const char **dest); -int git_configset_get_int(struct config_set *cs, const char *key, int *dest); -int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest); -int git_configset_get_bool(struct config_set *cs, const char *key, int *dest); -int git_configset_get_bool_or_int(struct config_set *cs, const char *key, int *is_bool, int *dest); -int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest); -int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest); - -/* Functions for reading a repository's config */ -struct repository; -void repo_config(struct repository *repo, config_fn_t fn, void *data); -int repo_config_get_value(struct repository *repo, - const char *key, const char **value); -const struct string_list *repo_config_get_value_multi(struct repository *repo, - const char *key); -int repo_config_get_string(struct repository *repo, - const char *key, char **dest); -int repo_config_get_string_tmp(struct repository *repo, - const char *key, const char **dest); -int repo_config_get_int(struct repository *repo, - const char *key, int *dest); -int repo_config_get_ulong(struct repository *repo, - const char *key, unsigned long *dest); -int repo_config_get_bool(struct repository *repo, - const char *key, int *dest); -int repo_config_get_bool_or_int(struct repository *repo, - const char *key, int *is_bool, int *dest); -int repo_config_get_maybe_bool(struct repository *repo, - const char *key, int *dest); -int repo_config_get_pathname(struct repository *repo, - const char *key, const char **dest); - -/** - * Querying For Specific Variables - * ------------------------------- - * - * For programs wanting to query for specific variables in a non-callback - * manner, the config API provides two functions `git_config_get_value` - * and `git_config_get_value_multi`. They both read values from an internal - * cache generated previously from reading the config files. - */ - -/** - * Finds the highest-priority value for the configuration variable `key`, - * stores the pointer to it in `value` and returns 0. When the - * configuration variable `key` is not found, returns 1 without touching - * `value`. The caller should not free or modify `value`, as it is owned - * by the cache. - */ -int git_config_get_value(const char *key, const char **value); - -/** - * Finds and returns the value list, sorted in order of increasing priority - * for the configuration variable `key`. When the configuration variable - * `key` is not found, returns NULL. The caller should not free or modify - * the returned pointer, as it is owned by the cache. - */ -const struct string_list *git_config_get_value_multi(const char *key); - -/** - * Resets and invalidates the config cache. - */ -void git_config_clear(void); - -/** - * Allocates and copies the retrieved string into the `dest` parameter for - * the configuration variable `key`; if NULL string is given, prints an - * error message and returns -1. When the configuration variable `key` is - * not found, returns 1 without touching `dest`. - */ -int git_config_get_string(const char *key, char **dest); - -/** - * Similar to `git_config_get_string`, but does not allocate any new - * memory; on success `dest` will point to memory owned by the config - * machinery, which could be invalidated if it is discarded and reloaded. - */ -int git_config_get_string_tmp(const char *key, const char **dest); - -/** - * Finds and parses the value to an integer for the configuration variable - * `key`. Dies on error; otherwise, stores the value of the parsed integer in - * `dest` and returns 0. When the configuration variable `key` is not found, - * returns 1 without touching `dest`. - */ -int git_config_get_int(const char *key, int *dest); - -/** - * Similar to `git_config_get_int` but for unsigned longs. - */ -int git_config_get_ulong(const char *key, unsigned long *dest); - -/** - * Finds and parses the value into a boolean value, for the configuration - * variable `key` respecting keywords like "true" and "false". Integer - * values are converted into true/false values (when they are non-zero or - * zero, respectively). Other values cause a die(). If parsing is successful, - * stores the value of the parsed result in `dest` and returns 0. When the - * configuration variable `key` is not found, returns 1 without touching - * `dest`. - */ -int git_config_get_bool(const char *key, int *dest); - -/** - * Similar to `git_config_get_bool`, except that integers are copied as-is, - * and `is_bool` flag is unset. - */ -int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest); - -/** - * Similar to `git_config_get_bool`, except that it returns -1 on error - * rather than dying. - */ -int git_config_get_maybe_bool(const char *key, int *dest); - -/** - * Similar to `git_config_get_string`, but expands `~` or `~user` into - * the user's home directory when found at the beginning of the path. - */ -int git_config_get_pathname(const char *key, const char **dest); - -int git_config_get_index_threads(int *dest); -int git_config_get_untracked_cache(void); -int git_config_get_split_index(void); -int git_config_get_max_percent_split_change(void); -int git_config_get_fsmonitor(void); - -/* This dies if the configured or default date is in the future */ -int git_config_get_expiry(const char *key, const char **output); - -/* parse either "this many days" integer, or "5.days.ago" approxidate */ -int git_config_get_expiry_in_days(const char *key, timestamp_t *, timestamp_t now); - -struct key_value_info { - const char *filename; - int linenr; - enum config_origin_type origin_type; - enum config_scope scope; -}; - -/** - * First prints the error message specified by the caller in `err` and then - * dies printing the line number and the file name of the highest priority - * value for the configuration variable `key`. - */ -NORETURN void git_die_config(const char *key, const char *err, ...) __attribute__((format(printf, 2, 3))); - -/** - * Helper function which formats the die error message according to the - * parameters entered. Used by `git_die_config()`. It can be used by callers - * handling `git_config_get_value_multi()` to print the correct error message - * for the desired value. - */ -NORETURN void git_die_config_linenr(const char *key, const char *filename, int linenr); - -#define LOOKUP_CONFIG(mapping, var) \ - lookup_config(mapping, ARRAY_SIZE(mapping), var) -int lookup_config(const char **mapping, int nr_mapping, const char *var); - -#endif /* CONFIG_H */ |