1#ifndef CONFIG_H
2#define CONFIG_H
3
4#include "hashmap.h"
5#include "string-list.h"
6
7struct object_id;
8
9/* git_config_parse_key() returns these negated: */
10#define CONFIG_INVALID_KEY 1
11#define CONFIG_NO_SECTION_OR_NAME 2
12/* git_config_set_gently(), git_config_set_multivar_gently() return the above or these: */
13#define CONFIG_NO_LOCK -1
14#define CONFIG_INVALID_FILE 3
15#define CONFIG_NO_WRITE 4
16#define CONFIG_NOTHING_SET 5
17#define CONFIG_INVALID_PATTERN 6
18#define CONFIG_GENERIC_ERROR 7
19
20#define CONFIG_REGEX_NONE ((void *)1)
21
22struct git_config_source {
23 unsigned int use_stdin:1;
24 const char *file;
25 const char *blob;
26};
27
28enum config_origin_type {
29 CONFIG_ORIGIN_BLOB,
30 CONFIG_ORIGIN_FILE,
31 CONFIG_ORIGIN_STDIN,
32 CONFIG_ORIGIN_SUBMODULE_BLOB,
33 CONFIG_ORIGIN_CMDLINE
34};
35
36enum config_event_t {
37 CONFIG_EVENT_SECTION,
38 CONFIG_EVENT_ENTRY,
39 CONFIG_EVENT_WHITESPACE,
40 CONFIG_EVENT_COMMENT,
41 CONFIG_EVENT_EOF,
42 CONFIG_EVENT_ERROR
43};
44
45/*
46 * The parser event function (if not NULL) is called with the event type and
47 * the begin/end offsets of the parsed elements.
48 *
49 * Note: for CONFIG_EVENT_ENTRY (i.e. config variables), the trailing newline
50 * character is considered part of the element.
51 */
52typedef int (*config_parser_event_fn_t)(enum config_event_t type,
53 size_t begin_offset, size_t end_offset,
54 void *event_fn_data);
55
56struct config_options {
57 unsigned int respect_includes : 1;
58 const char *commondir;
59 const char *git_dir;
60 config_parser_event_fn_t event_fn;
61 void *event_fn_data;
62 enum config_error_action {
63 CONFIG_ERROR_UNSET = 0, /* use source-specific default */
64 CONFIG_ERROR_DIE, /* die() on error */
65 CONFIG_ERROR_ERROR, /* error() on error, return -1 */
66 CONFIG_ERROR_SILENT, /* return -1 */
67 } error_action;
68};
69
70typedef int (*config_fn_t)(const char *, const char *, void *);
71extern int git_default_config(const char *, const char *, void *);
72extern int git_config_from_file(config_fn_t fn, const char *, void *);
73extern int git_config_from_file_with_options(config_fn_t fn, const char *,
74 void *,
75 const struct config_options *);
76extern int git_config_from_mem(config_fn_t fn,
77 const enum config_origin_type,
78 const char *name,
79 const char *buf, size_t len,
80 void *data, const struct config_options *opts);
81extern int git_config_from_blob_oid(config_fn_t fn, const char *name,
82 const struct object_id *oid, void *data);
83extern void git_config_push_parameter(const char *text);
84extern int git_config_from_parameters(config_fn_t fn, void *data);
85extern void read_early_config(config_fn_t cb, void *data);
86extern void git_config(config_fn_t fn, void *);
87extern int config_with_options(config_fn_t fn, void *,
88 struct git_config_source *config_source,
89 const struct config_options *opts);
90extern int git_parse_ssize_t(const char *, ssize_t *);
91extern int git_parse_ulong(const char *, unsigned long *);
92extern int git_parse_maybe_bool(const char *);
93extern int git_config_int(const char *, const char *);
94extern int64_t git_config_int64(const char *, const char *);
95extern unsigned long git_config_ulong(const char *, const char *);
96extern ssize_t git_config_ssize_t(const char *, const char *);
97extern int git_config_bool_or_int(const char *, const char *, int *);
98extern int git_config_bool(const char *, const char *);
99extern int git_config_string(const char **, const char *, const char *);
100extern int git_config_pathname(const char **, const char *, const char *);
101extern int git_config_expiry_date(timestamp_t *, const char *, const char *);
102extern int git_config_color(char *, const char *, const char *);
103extern int git_config_set_in_file_gently(const char *, const char *, const char *);
104extern void git_config_set_in_file(const char *, const char *, const char *);
105extern int git_config_set_gently(const char *, const char *);
106extern void git_config_set(const char *, const char *);
107extern int git_config_parse_key(const char *, char **, int *);
108extern int git_config_key_is_valid(const char *key);
109extern int git_config_set_multivar_gently(const char *, const char *, const char *, int);
110extern void git_config_set_multivar(const char *, const char *, const char *, int);
111extern int git_config_set_multivar_in_file_gently(const char *, const char *, const char *, const char *, int);
112extern void git_config_set_multivar_in_file(const char *, const char *, const char *, const char *, int);
113extern int git_config_rename_section(const char *, const char *);
114extern int git_config_rename_section_in_file(const char *, const char *, const char *);
115extern int git_config_copy_section(const char *, const char *);
116extern int git_config_copy_section_in_file(const char *, const char *, const char *);
117extern const char *git_etc_gitconfig(void);
118extern int git_env_bool(const char *, int);
119extern unsigned long git_env_ulong(const char *, unsigned long);
120extern int git_config_system(void);
121extern int config_error_nonbool(const char *);
122#if defined(__GNUC__)
123#define config_error_nonbool(s) (config_error_nonbool(s), const_error())
124#endif
125
126extern int git_config_parse_parameter(const char *, config_fn_t fn, void *data);
127
128enum config_scope {
129 CONFIG_SCOPE_UNKNOWN = 0,
130 CONFIG_SCOPE_SYSTEM,
131 CONFIG_SCOPE_GLOBAL,
132 CONFIG_SCOPE_REPO,
133 CONFIG_SCOPE_CMDLINE,
134};
135
136extern enum config_scope current_config_scope(void);
137extern const char *current_config_origin_type(void);
138extern const char *current_config_name(void);
139
140struct config_include_data {
141 int depth;
142 config_fn_t fn;
143 void *data;
144 const struct config_options *opts;
145};
146#define CONFIG_INCLUDE_INIT { 0 }
147extern int git_config_include(const char *name, const char *value, void *data);
148
149/*
150 * Match and parse a config key of the form:
151 *
152 * section.(subsection.)?key
153 *
154 * (i.e., what gets handed to a config_fn_t). The caller provides the section;
155 * we return -1 if it does not match, 0 otherwise. The subsection and key
156 * out-parameters are filled by the function (and *subsection is NULL if it is
157 * missing).
158 *
159 * If the subsection pointer-to-pointer passed in is NULL, returns 0 only if
160 * there is no subsection at all.
161 */
162extern int parse_config_key(const char *var,
163 const char *section,
164 const char **subsection, int *subsection_len,
165 const char **key);
166
167struct config_set_element {
168 struct hashmap_entry ent;
169 char *key;
170 struct string_list value_list;
171};
172
173struct configset_list_item {
174 struct config_set_element *e;
175 int value_index;
176};
177
178/*
179 * the contents of the list are ordered according to their
180 * position in the config files and order of parsing the files.
181 * (i.e. key-value pair at the last position of .git/config will
182 * be at the last item of the list)
183 */
184struct configset_list {
185 struct configset_list_item *items;
186 unsigned int nr, alloc;
187};
188
189struct config_set {
190 struct hashmap config_hash;
191 int hash_initialized;
192 struct configset_list list;
193};
194
195extern void git_configset_init(struct config_set *cs);
196extern int git_configset_add_file(struct config_set *cs, const char *filename);
197extern const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key);
198extern void git_configset_clear(struct config_set *cs);
199
200/*
201 * These functions return 1 if not found, and 0 if found, leaving the found
202 * value in the 'dest' pointer.
203 */
204extern int git_configset_get_value(struct config_set *cs, const char *key, const char **dest);
205extern int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest);
206extern int git_configset_get_string(struct config_set *cs, const char *key, char **dest);
207extern int git_configset_get_int(struct config_set *cs, const char *key, int *dest);
208extern int git_configset_get_ulong(struct config_set *cs, const char *key, unsigned long *dest);
209extern int git_configset_get_bool(struct config_set *cs, const char *key, int *dest);
210extern int git_configset_get_bool_or_int(struct config_set *cs, const char *key, int *is_bool, int *dest);
211extern int git_configset_get_maybe_bool(struct config_set *cs, const char *key, int *dest);
212extern int git_configset_get_pathname(struct config_set *cs, const char *key, const char **dest);
213
214/* Functions for reading a repository's config */
215struct repository;
216extern void repo_config(struct repository *repo, config_fn_t fn, void *data);
217extern int repo_config_get_value(struct repository *repo,
218 const char *key, const char **value);
219extern const struct string_list *repo_config_get_value_multi(struct repository *repo,
220 const char *key);
221extern int repo_config_get_string_const(struct repository *repo,
222 const char *key, const char **dest);
223extern int repo_config_get_string(struct repository *repo,
224 const char *key, char **dest);
225extern int repo_config_get_int(struct repository *repo,
226 const char *key, int *dest);
227extern int repo_config_get_ulong(struct repository *repo,
228 const char *key, unsigned long *dest);
229extern int repo_config_get_bool(struct repository *repo,
230 const char *key, int *dest);
231extern int repo_config_get_bool_or_int(struct repository *repo,
232 const char *key, int *is_bool, int *dest);
233extern int repo_config_get_maybe_bool(struct repository *repo,
234 const char *key, int *dest);
235extern int repo_config_get_pathname(struct repository *repo,
236 const char *key, const char **dest);
237
238extern int git_config_get_value(const char *key, const char **value);
239extern const struct string_list *git_config_get_value_multi(const char *key);
240extern void git_config_clear(void);
241extern int git_config_get_string_const(const char *key, const char **dest);
242extern int git_config_get_string(const char *key, char **dest);
243extern int git_config_get_int(const char *key, int *dest);
244extern int git_config_get_ulong(const char *key, unsigned long *dest);
245extern int git_config_get_bool(const char *key, int *dest);
246extern int git_config_get_bool_or_int(const char *key, int *is_bool, int *dest);
247extern int git_config_get_maybe_bool(const char *key, int *dest);
248extern int git_config_get_pathname(const char *key, const char **dest);
249extern int git_config_get_untracked_cache(void);
250extern int git_config_get_split_index(void);
251extern int git_config_get_max_percent_split_change(void);
252extern int git_config_get_fsmonitor(void);
253
254/* This dies if the configured or default date is in the future */
255extern int git_config_get_expiry(const char *key, const char **output);
256
257/* parse either "this many days" integer, or "5.days.ago" approxidate */
258extern int git_config_get_expiry_in_days(const char *key, timestamp_t *, timestamp_t now);
259
260struct key_value_info {
261 const char *filename;
262 int linenr;
263 enum config_origin_type origin_type;
264 enum config_scope scope;
265};
266
267extern NORETURN void git_die_config(const char *key, const char *err, ...) __attribute__((format(printf, 2, 3)));
268extern NORETURN void git_die_config_linenr(const char *key, const char *filename, int linenr);
269
270#define LOOKUP_CONFIG(mapping, var) \
271 lookup_config(mapping, ARRAY_SIZE(mapping), var)
272int lookup_config(const char **mapping, int nr_mapping, const char *var);
273
274#endif /* CONFIG_H */
275