1#include "builtin.h"
2#include "cache.h"
3#include "color.h"
4
5static const char git_config_set_usage[] =
6"git-config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --int ] [ -z | --null ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --remove-section name | --list | --get-color var [default] | --get-colorbool name [stdout-is-tty]";
7
8static char *key;
9static regex_t *key_regexp;
10static regex_t *regexp;
11static int show_keys;
12static int use_key_regexp;
13static int do_all;
14static int do_not_match;
15static int seen;
16static char delim = '=';
17static char key_delim = ' ';
18static char term = '\n';
19static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
20
21static int show_all_config(const char *key_, const char *value_)
22{
23 if (value_)
24 printf("%s%c%s%c", key_, delim, value_, term);
25 else
26 printf("%s%c", key_, term);
27 return 0;
28}
29
30static int show_config(const char* key_, const char* value_)
31{
32 char value[256];
33 const char *vptr = value;
34 int dup_error = 0;
35
36 if (!use_key_regexp && strcmp(key_, key))
37 return 0;
38 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
39 return 0;
40 if (regexp != NULL &&
41 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
42 return 0;
43
44 if (show_keys) {
45 if (value_)
46 printf("%s%c", key_, key_delim);
47 else
48 printf("%s", key_);
49 }
50 if (seen && !do_all)
51 dup_error = 1;
52 if (type == T_INT)
53 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
54 else if (type == T_BOOL)
55 vptr = git_config_bool(key_, value_) ? "true" : "false";
56 else
57 vptr = value_?value_:"";
58 seen++;
59 if (dup_error) {
60 error("More than one value for the key %s: %s",
61 key_, vptr);
62 }
63 else
64 printf("%s%c", vptr, term);
65
66 return 0;
67}
68
69static int get_value(const char* key_, const char* regex_)
70{
71 int ret = -1;
72 char *tl;
73 char *global = NULL, *repo_config = NULL;
74 const char *system_wide = NULL, *local;
75
76 local = getenv(CONFIG_ENVIRONMENT);
77 if (!local) {
78 const char *home = getenv("HOME");
79 local = getenv(CONFIG_LOCAL_ENVIRONMENT);
80 if (!local)
81 local = repo_config = xstrdup(git_path("config"));
82 if (git_config_global() && home)
83 global = xstrdup(mkpath("%s/.gitconfig", home));
84 if (git_config_system())
85 system_wide = git_etc_gitconfig();
86 }
87
88 key = xstrdup(key_);
89 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
90 *tl = tolower(*tl);
91 for (tl=key; *tl && *tl != '.'; ++tl)
92 *tl = tolower(*tl);
93
94 if (use_key_regexp) {
95 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
96 if (regcomp(key_regexp, key, REG_EXTENDED)) {
97 fprintf(stderr, "Invalid key pattern: %s\n", key_);
98 goto free_strings;
99 }
100 }
101
102 if (regex_) {
103 if (regex_[0] == '!') {
104 do_not_match = 1;
105 regex_++;
106 }
107
108 regexp = (regex_t*)xmalloc(sizeof(regex_t));
109 if (regcomp(regexp, regex_, REG_EXTENDED)) {
110 fprintf(stderr, "Invalid pattern: %s\n", regex_);
111 goto free_strings;
112 }
113 }
114
115 if (do_all && system_wide)
116 git_config_from_file(show_config, system_wide);
117 if (do_all && global)
118 git_config_from_file(show_config, global);
119 git_config_from_file(show_config, local);
120 if (!do_all && !seen && global)
121 git_config_from_file(show_config, global);
122 if (!do_all && !seen && system_wide)
123 git_config_from_file(show_config, system_wide);
124
125 free(key);
126 if (regexp) {
127 regfree(regexp);
128 free(regexp);
129 }
130
131 if (do_all)
132 ret = !seen;
133 else
134 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
135
136free_strings:
137 free(repo_config);
138 free(global);
139 return ret;
140}
141
142char *normalize_value(const char *key, const char *value)
143{
144 char *normalized;
145
146 if (!value)
147 return NULL;
148
149 if (type == T_RAW)
150 normalized = xstrdup(value);
151 else {
152 normalized = xmalloc(64);
153 if (type == T_INT) {
154 int v = git_config_int(key, value);
155 sprintf(normalized, "%d", v);
156 }
157 else if (type == T_BOOL)
158 sprintf(normalized, "%s",
159 git_config_bool(key, value) ? "true" : "false");
160 }
161
162 return normalized;
163}
164
165static int get_color_found;
166static const char *get_color_slot;
167static char parsed_color[COLOR_MAXLEN];
168
169static int git_get_color_config(const char *var, const char *value)
170{
171 if (!strcmp(var, get_color_slot)) {
172 color_parse(value, var, parsed_color);
173 get_color_found = 1;
174 }
175 return 0;
176}
177
178static int get_color(int argc, const char **argv)
179{
180 /*
181 * grab the color setting for the given slot from the configuration,
182 * or parse the default value if missing, and return ANSI color
183 * escape sequence.
184 *
185 * e.g.
186 * git config --get-color color.diff.whitespace "blue reverse"
187 */
188 const char *def_color = NULL;
189
190 switch (argc) {
191 default:
192 usage(git_config_set_usage);
193 case 2:
194 def_color = argv[1];
195 /* fallthru */
196 case 1:
197 get_color_slot = argv[0];
198 break;
199 }
200
201 get_color_found = 0;
202 parsed_color[0] = '\0';
203 git_config(git_get_color_config);
204
205 if (!get_color_found && def_color)
206 color_parse(def_color, "command line", parsed_color);
207
208 fputs(parsed_color, stdout);
209 return 0;
210}
211
212static int stdout_is_tty;
213static int get_colorbool_found;
214static int get_diff_color_found;
215static int git_get_colorbool_config(const char *var, const char *value)
216{
217 if (!strcmp(var, get_color_slot)) {
218 get_colorbool_found =
219 git_config_colorbool(var, value, stdout_is_tty);
220 }
221 if (!strcmp(var, "diff.color")) {
222 get_diff_color_found =
223 git_config_colorbool(var, value, stdout_is_tty);
224 }
225 return 0;
226}
227
228static int get_colorbool(int argc, const char **argv)
229{
230 /*
231 * git config --get-colorbool <slot> [<stdout-is-tty>]
232 *
233 * returns "true" or "false" depending on how <slot>
234 * is configured.
235 */
236
237 if (argc == 2)
238 stdout_is_tty = git_config_bool("command line", argv[1]);
239 else if (argc == 1)
240 stdout_is_tty = isatty(1);
241 else
242 usage(git_config_set_usage);
243 get_colorbool_found = -1;
244 get_diff_color_found = -1;
245 get_color_slot = argv[0];
246 git_config(git_get_colorbool_config);
247
248 if (get_colorbool_found < 0) {
249 if (!strcmp(get_color_slot, "color.diff"))
250 get_colorbool_found = get_diff_color_found;
251 if (get_colorbool_found < 0)
252 get_colorbool_found = 0;
253 }
254
255 if (argc == 1) {
256 return get_colorbool_found ? 0 : 1;
257 } else {
258 printf("%s\n", get_colorbool_found ? "true" : "false");
259 return 0;
260 }
261}
262
263int cmd_config(int argc, const char **argv, const char *prefix)
264{
265 int nongit = 0;
266 char* value;
267 const char *file = setup_git_directory_gently(&nongit);
268
269 while (1 < argc) {
270 if (!strcmp(argv[1], "--int"))
271 type = T_INT;
272 else if (!strcmp(argv[1], "--bool"))
273 type = T_BOOL;
274 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
275 if (argc != 2)
276 usage(git_config_set_usage);
277 if (git_config(show_all_config) < 0 && file && errno)
278 die("unable to read config file %s: %s", file,
279 strerror(errno));
280 return 0;
281 }
282 else if (!strcmp(argv[1], "--global")) {
283 char *home = getenv("HOME");
284 if (home) {
285 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
286 setenv(CONFIG_ENVIRONMENT, user_config, 1);
287 free(user_config);
288 } else {
289 die("$HOME not set");
290 }
291 }
292 else if (!strcmp(argv[1], "--system"))
293 setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
294 else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
295 if (argc < 3)
296 usage(git_config_set_usage);
297 if (!is_absolute_path(argv[2]) && file)
298 file = prefix_filename(file, strlen(file),
299 argv[2]);
300 else
301 file = argv[2];
302 setenv(CONFIG_ENVIRONMENT, file, 1);
303 argc--;
304 argv++;
305 }
306 else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
307 term = '\0';
308 delim = '\n';
309 key_delim = '\n';
310 }
311 else if (!strcmp(argv[1], "--rename-section")) {
312 int ret;
313 if (argc != 4)
314 usage(git_config_set_usage);
315 ret = git_config_rename_section(argv[2], argv[3]);
316 if (ret < 0)
317 return ret;
318 if (ret == 0) {
319 fprintf(stderr, "No such section!\n");
320 return 1;
321 }
322 return 0;
323 }
324 else if (!strcmp(argv[1], "--remove-section")) {
325 int ret;
326 if (argc != 3)
327 usage(git_config_set_usage);
328 ret = git_config_rename_section(argv[2], NULL);
329 if (ret < 0)
330 return ret;
331 if (ret == 0) {
332 fprintf(stderr, "No such section!\n");
333 return 1;
334 }
335 return 0;
336 } else if (!strcmp(argv[1], "--get-color")) {
337 return get_color(argc-2, argv+2);
338 } else if (!strcmp(argv[1], "--get-colorbool")) {
339 return get_colorbool(argc-2, argv+2);
340 } else
341 break;
342 argc--;
343 argv++;
344 }
345
346 switch (argc) {
347 case 2:
348 return get_value(argv[1], NULL);
349 case 3:
350 if (!strcmp(argv[1], "--unset"))
351 return git_config_set(argv[2], NULL);
352 else if (!strcmp(argv[1], "--unset-all"))
353 return git_config_set_multivar(argv[2], NULL, NULL, 1);
354 else if (!strcmp(argv[1], "--get"))
355 return get_value(argv[2], NULL);
356 else if (!strcmp(argv[1], "--get-all")) {
357 do_all = 1;
358 return get_value(argv[2], NULL);
359 } else if (!strcmp(argv[1], "--get-regexp")) {
360 show_keys = 1;
361 use_key_regexp = 1;
362 do_all = 1;
363 return get_value(argv[2], NULL);
364 } else {
365 value = normalize_value(argv[1], argv[2]);
366 return git_config_set(argv[1], value);
367 }
368 case 4:
369 if (!strcmp(argv[1], "--unset"))
370 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
371 else if (!strcmp(argv[1], "--unset-all"))
372 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
373 else if (!strcmp(argv[1], "--get"))
374 return get_value(argv[2], argv[3]);
375 else if (!strcmp(argv[1], "--get-all")) {
376 do_all = 1;
377 return get_value(argv[2], argv[3]);
378 } else if (!strcmp(argv[1], "--get-regexp")) {
379 show_keys = 1;
380 use_key_regexp = 1;
381 do_all = 1;
382 return get_value(argv[2], argv[3]);
383 } else if (!strcmp(argv[1], "--add")) {
384 value = normalize_value(argv[2], argv[3]);
385 return git_config_set_multivar(argv[2], value, "^$", 0);
386 } else if (!strcmp(argv[1], "--replace-all")) {
387 value = normalize_value(argv[2], argv[3]);
388 return git_config_set_multivar(argv[2], value, NULL, 1);
389 } else {
390 value = normalize_value(argv[1], argv[2]);
391 return git_config_set_multivar(argv[1], value, argv[3], 0);
392 }
393 case 5:
394 if (!strcmp(argv[1], "--replace-all")) {
395 value = normalize_value(argv[2], argv[3]);
396 return git_config_set_multivar(argv[2], value, argv[4], 1);
397 }
398 case 1:
399 default:
400 usage(git_config_set_usage);
401 }
402 return 0;
403}