t5516: remove ambiguity test (1)
[git/raj.git] / builtin-config.c
blob077d8ef2df4ae38d668293cc35810b39e0488f6b
1 #include "builtin.h"
2 #include "cache.h"
3 #include "color.h"
5 static 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]";
8 static char *key;
9 static regex_t *key_regexp;
10 static regex_t *regexp;
11 static int show_keys;
12 static int use_key_regexp;
13 static int do_all;
14 static int do_not_match;
15 static int seen;
16 static char delim = '=';
17 static char key_delim = ' ';
18 static char term = '\n';
19 static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
21 static int show_all_config(const char *key_, const char *value_)
23 if (value_)
24 printf("%s%c%s%c", key_, delim, value_, term);
25 else
26 printf("%s%c", key_, term);
27 return 0;
30 static int show_config(const char* key_, const char* value_)
32 char value[256];
33 const char *vptr = value;
34 int dup_error = 0;
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;
44 if (show_keys) {
45 if (value_)
46 printf("%s%c", key_, key_delim);
47 else
48 printf("%s", key_);
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);
63 else
64 printf("%s%c", vptr, term);
66 return 0;
69 static int get_value(const char* key_, const char* regex_)
71 int ret = -1;
72 char *tl;
73 char *global = NULL, *repo_config = NULL;
74 const char *system_wide = NULL, *local;
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 (home)
83 global = xstrdup(mkpath("%s/.gitconfig", home));
84 system_wide = git_etc_gitconfig();
87 key = xstrdup(key_);
88 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
89 *tl = tolower(*tl);
90 for (tl=key; *tl && *tl != '.'; ++tl)
91 *tl = tolower(*tl);
93 if (use_key_regexp) {
94 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
95 if (regcomp(key_regexp, key, REG_EXTENDED)) {
96 fprintf(stderr, "Invalid key pattern: %s\n", key_);
97 goto free_strings;
101 if (regex_) {
102 if (regex_[0] == '!') {
103 do_not_match = 1;
104 regex_++;
107 regexp = (regex_t*)xmalloc(sizeof(regex_t));
108 if (regcomp(regexp, regex_, REG_EXTENDED)) {
109 fprintf(stderr, "Invalid pattern: %s\n", regex_);
110 goto free_strings;
114 if (do_all && system_wide)
115 git_config_from_file(show_config, system_wide);
116 if (do_all && global)
117 git_config_from_file(show_config, global);
118 git_config_from_file(show_config, local);
119 if (!do_all && !seen && global)
120 git_config_from_file(show_config, global);
121 if (!do_all && !seen && system_wide)
122 git_config_from_file(show_config, system_wide);
124 free(key);
125 if (regexp) {
126 regfree(regexp);
127 free(regexp);
130 if (do_all)
131 ret = !seen;
132 else
133 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
135 free_strings:
136 free(repo_config);
137 free(global);
138 return ret;
141 char *normalize_value(const char *key, const char *value)
143 char *normalized;
145 if (!value)
146 return NULL;
148 if (type == T_RAW)
149 normalized = xstrdup(value);
150 else {
151 normalized = xmalloc(64);
152 if (type == T_INT) {
153 int v = git_config_int(key, value);
154 sprintf(normalized, "%d", v);
156 else if (type == T_BOOL)
157 sprintf(normalized, "%s",
158 git_config_bool(key, value) ? "true" : "false");
161 return normalized;
164 static int get_color_found;
165 static const char *get_color_slot;
166 static char parsed_color[COLOR_MAXLEN];
168 static int git_get_color_config(const char *var, const char *value)
170 if (!strcmp(var, get_color_slot)) {
171 if (!value)
172 config_error_nonbool(var);
173 color_parse(value, var, parsed_color);
174 get_color_found = 1;
176 return 0;
179 static int get_color(int argc, const char **argv)
182 * grab the color setting for the given slot from the configuration,
183 * or parse the default value if missing, and return ANSI color
184 * escape sequence.
186 * e.g.
187 * git config --get-color color.diff.whitespace "blue reverse"
189 const char *def_color = NULL;
191 switch (argc) {
192 default:
193 usage(git_config_set_usage);
194 case 2:
195 def_color = argv[1];
196 /* fallthru */
197 case 1:
198 get_color_slot = argv[0];
199 break;
202 get_color_found = 0;
203 parsed_color[0] = '\0';
204 git_config(git_get_color_config);
206 if (!get_color_found && def_color)
207 color_parse(def_color, "command line", parsed_color);
209 fputs(parsed_color, stdout);
210 return 0;
213 static int stdout_is_tty;
214 static int get_colorbool_found;
215 static int get_diff_color_found;
216 static int git_get_colorbool_config(const char *var, const char *value)
218 if (!strcmp(var, get_color_slot)) {
219 get_colorbool_found =
220 git_config_colorbool(var, value, stdout_is_tty);
222 if (!strcmp(var, "diff.color")) {
223 get_diff_color_found =
224 git_config_colorbool(var, value, stdout_is_tty);
226 return 0;
229 static int get_colorbool(int argc, const char **argv)
232 * git config --get-colorbool <slot> [<stdout-is-tty>]
234 * returns "true" or "false" depending on how <slot>
235 * is configured.
238 if (argc == 2)
239 stdout_is_tty = git_config_bool("command line", argv[1]);
240 else if (argc == 1)
241 stdout_is_tty = isatty(1);
242 else
243 usage(git_config_set_usage);
244 get_colorbool_found = -1;
245 get_diff_color_found = -1;
246 get_color_slot = argv[0];
247 git_config(git_get_colorbool_config);
249 if (get_colorbool_found < 0) {
250 if (!strcmp(get_color_slot, "color.diff"))
251 get_colorbool_found = get_diff_color_found;
252 if (get_colorbool_found < 0)
253 get_colorbool_found = 0;
256 if (argc == 1) {
257 return get_colorbool_found ? 0 : 1;
258 } else {
259 printf("%s\n", get_colorbool_found ? "true" : "false");
260 return 0;
264 int cmd_config(int argc, const char **argv, const char *prefix)
266 int nongit = 0;
267 char* value;
268 const char *file = setup_git_directory_gently(&nongit);
270 while (1 < argc) {
271 if (!strcmp(argv[1], "--int"))
272 type = T_INT;
273 else if (!strcmp(argv[1], "--bool"))
274 type = T_BOOL;
275 else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
276 if (argc != 2)
277 usage(git_config_set_usage);
278 if (git_config(show_all_config) < 0 && file && errno)
279 die("unable to read config file %s: %s", file,
280 strerror(errno));
281 return 0;
283 else if (!strcmp(argv[1], "--global")) {
284 char *home = getenv("HOME");
285 if (home) {
286 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
287 setenv(CONFIG_ENVIRONMENT, user_config, 1);
288 free(user_config);
289 } else {
290 die("$HOME not set");
293 else if (!strcmp(argv[1], "--system"))
294 setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
295 else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
296 if (argc < 3)
297 usage(git_config_set_usage);
298 if (!is_absolute_path(argv[2]) && file)
299 file = prefix_filename(file, strlen(file),
300 argv[2]);
301 else
302 file = argv[2];
303 setenv(CONFIG_ENVIRONMENT, file, 1);
304 argc--;
305 argv++;
307 else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
308 term = '\0';
309 delim = '\n';
310 key_delim = '\n';
312 else if (!strcmp(argv[1], "--rename-section")) {
313 int ret;
314 if (argc != 4)
315 usage(git_config_set_usage);
316 ret = git_config_rename_section(argv[2], argv[3]);
317 if (ret < 0)
318 return ret;
319 if (ret == 0) {
320 fprintf(stderr, "No such section!\n");
321 return 1;
323 return 0;
325 else if (!strcmp(argv[1], "--remove-section")) {
326 int ret;
327 if (argc != 3)
328 usage(git_config_set_usage);
329 ret = git_config_rename_section(argv[2], NULL);
330 if (ret < 0)
331 return ret;
332 if (ret == 0) {
333 fprintf(stderr, "No such section!\n");
334 return 1;
336 return 0;
337 } else if (!strcmp(argv[1], "--get-color")) {
338 return get_color(argc-2, argv+2);
339 } else if (!strcmp(argv[1], "--get-colorbool")) {
340 return get_colorbool(argc-2, argv+2);
341 } else
342 break;
343 argc--;
344 argv++;
347 switch (argc) {
348 case 2:
349 return get_value(argv[1], NULL);
350 case 3:
351 if (!strcmp(argv[1], "--unset"))
352 return git_config_set(argv[2], NULL);
353 else if (!strcmp(argv[1], "--unset-all"))
354 return git_config_set_multivar(argv[2], NULL, NULL, 1);
355 else if (!strcmp(argv[1], "--get"))
356 return get_value(argv[2], NULL);
357 else if (!strcmp(argv[1], "--get-all")) {
358 do_all = 1;
359 return get_value(argv[2], NULL);
360 } else if (!strcmp(argv[1], "--get-regexp")) {
361 show_keys = 1;
362 use_key_regexp = 1;
363 do_all = 1;
364 return get_value(argv[2], NULL);
365 } else {
366 value = normalize_value(argv[1], argv[2]);
367 return git_config_set(argv[1], value);
369 case 4:
370 if (!strcmp(argv[1], "--unset"))
371 return git_config_set_multivar(argv[2], NULL, argv[3], 0);
372 else if (!strcmp(argv[1], "--unset-all"))
373 return git_config_set_multivar(argv[2], NULL, argv[3], 1);
374 else if (!strcmp(argv[1], "--get"))
375 return get_value(argv[2], argv[3]);
376 else if (!strcmp(argv[1], "--get-all")) {
377 do_all = 1;
378 return get_value(argv[2], argv[3]);
379 } else if (!strcmp(argv[1], "--get-regexp")) {
380 show_keys = 1;
381 use_key_regexp = 1;
382 do_all = 1;
383 return get_value(argv[2], argv[3]);
384 } else if (!strcmp(argv[1], "--add")) {
385 value = normalize_value(argv[2], argv[3]);
386 return git_config_set_multivar(argv[2], value, "^$", 0);
387 } else if (!strcmp(argv[1], "--replace-all")) {
388 value = normalize_value(argv[2], argv[3]);
389 return git_config_set_multivar(argv[2], value, NULL, 1);
390 } else {
391 value = normalize_value(argv[1], argv[2]);
392 return git_config_set_multivar(argv[1], value, argv[3], 0);
394 case 5:
395 if (!strcmp(argv[1], "--replace-all")) {
396 value = normalize_value(argv[2], argv[3]);
397 return git_config_set_multivar(argv[2], value, argv[4], 1);
399 case 1:
400 default:
401 usage(git_config_set_usage);
403 return 0;