git config: reorganize to use parseopt
[git/git.git] / builtin-config.c
CommitLineData
e12c095a 1#include "builtin.h"
1b1e59c5 2#include "cache.h"
9ce03522 3#include "color.h"
d64ec16c 4#include "parse-options.h"
1b1e59c5 5
d64ec16c
FC
6static const char *const builtin_config_usage[] = {
7 "git config [options]",
8 NULL
9};
4ddba79d 10
96f1e58f
DR
11static char *key;
12static regex_t *key_regexp;
13static regex_t *regexp;
14static int show_keys;
15static int use_key_regexp;
16static int do_all;
17static int do_not_match;
18static int seen;
2275d502
FL
19static char delim = '=';
20static char key_delim = ' ';
21static char term = '\n';
c35b0b58 22static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
4ddba79d 23
d64ec16c
FC
24static int use_global_config, use_system_config;
25static const char *given_config_file;
26static int actions;
27static const char *get_color_slot, *get_colorbool_slot;
28static int end_null;
29
30#define ACTION_GET (1<<0)
31#define ACTION_GET_ALL (1<<1)
32#define ACTION_GET_REGEXP (1<<2)
33#define ACTION_REPLACE_ALL (1<<3)
34#define ACTION_ADD (1<<4)
35#define ACTION_UNSET (1<<5)
36#define ACTION_UNSET_ALL (1<<6)
37#define ACTION_RENAME_SECTION (1<<7)
38#define ACTION_REMOVE_SECTION (1<<8)
39#define ACTION_LIST (1<<9)
40#define ACTION_EDIT (1<<10)
41#define ACTION_SET (1<<11)
42#define ACTION_SET_ALL (1<<12)
43#define ACTION_GET_COLOR (1<<13)
44#define ACTION_GET_COLORBOOL (1<<14)
45
46static struct option builtin_config_options[] = {
47 OPT_GROUP("Config file location"),
48 OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
49 OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
50 OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
51 OPT_GROUP("Action"),
52 OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
53 OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
54 OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
55 OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name [value [value_regex]", ACTION_REPLACE_ALL),
56 OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
57 OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
58 OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
59 OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
60 OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
61 OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
62 OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
63 OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
64 OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
65 OPT_GROUP("Type"),
66 OPT_SET_INT(0, "bool", &type, "value is \"true\" or \"false\"", T_BOOL),
67 OPT_SET_INT(0, "int", &type, "value is decimal number", T_INT),
68 OPT_SET_INT(0, "bool-or-int", &type, NULL, T_BOOL_OR_INT),
69 OPT_GROUP("Other"),
70 OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
71 OPT_END(),
72};
73
74static void check_argc(int argc, int min, int max) {
75 if (argc >= min && argc <= max)
76 return;
77 error("wrong number of arguments");
78 usage_with_options(builtin_config_usage, builtin_config_options);
79}
80
ef90d6d4 81static int show_all_config(const char *key_, const char *value_, void *cb)
de791f15
PB
82{
83 if (value_)
2275d502 84 printf("%s%c%s%c", key_, delim, value_, term);
de791f15 85 else
2275d502 86 printf("%s%c", key_, term);
de791f15
PB
87 return 0;
88}
89
4b951b7e 90static int show_config(const char *key_, const char *value_, void *cb)
4ddba79d 91{
e098c6f8
JH
92 char value[256];
93 const char *vptr = value;
8f5ff31f 94 int dup_error = 0;
e098c6f8 95
8f5ff31f
JS
96 if (!use_key_regexp && strcmp(key_, key))
97 return 0;
98 if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
99 return 0;
100 if (regexp != NULL &&
9e4bbeb9 101 (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
8f5ff31f
JS
102 return 0;
103
b69ba460
FL
104 if (show_keys) {
105 if (value_)
2275d502 106 printf("%s%c", key_, key_delim);
b69ba460
FL
107 else
108 printf("%s", key_);
109 }
8f5ff31f
JS
110 if (seen && !do_all)
111 dup_error = 1;
112 if (type == T_INT)
acb70149 113 sprintf(value, "%d", git_config_int(key_, value_?value_:""));
8f5ff31f
JS
114 else if (type == T_BOOL)
115 vptr = git_config_bool(key_, value_) ? "true" : "false";
c35b0b58
JH
116 else if (type == T_BOOL_OR_INT) {
117 int is_bool, v;
118 v = git_config_bool_or_int(key_, value_, &is_bool);
119 if (is_bool)
120 vptr = v ? "true" : "false";
121 else
122 sprintf(value, "%d", v);
123 }
8f5ff31f 124 else
acb70149 125 vptr = value_?value_:"";
8f5ff31f
JS
126 seen++;
127 if (dup_error) {
128 error("More than one value for the key %s: %s",
129 key_, vptr);
4ddba79d 130 }
8f5ff31f 131 else
2275d502 132 printf("%s%c", vptr, term);
8f5ff31f 133
4ddba79d
JS
134 return 0;
135}
136
4b951b7e 137static int get_value(const char *key_, const char *regex_)
4ddba79d 138{
5f1a63e0 139 int ret = -1;
d14f7764 140 char *tl;
5f1a63e0 141 char *global = NULL, *repo_config = NULL;
32043c9f 142 const char *system_wide = NULL, *local;
5f1a63e0 143
dc871831 144 local = config_exclusive_filename;
5f1a63e0
JS
145 if (!local) {
146 const char *home = getenv("HOME");
a4f34cbb 147 local = repo_config = git_pathdup("config");
ab88c363 148 if (git_config_global() && home)
9befac47 149 global = xstrdup(mkpath("%s/.gitconfig", home));
ab88c363
JK
150 if (git_config_system())
151 system_wide = git_etc_gitconfig();
5f1a63e0 152 }
4ddba79d 153
9befac47 154 key = xstrdup(key_);
d14f7764
LT
155 for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
156 *tl = tolower(*tl);
157 for (tl=key; *tl && *tl != '.'; ++tl)
158 *tl = tolower(*tl);
4ddba79d 159
2fa9a0fb 160 if (use_key_regexp) {
2d7320d0 161 key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
2fa9a0fb 162 if (regcomp(key_regexp, key, REG_EXTENDED)) {
e098c6f8 163 fprintf(stderr, "Invalid key pattern: %s\n", key_);
5f1a63e0 164 goto free_strings;
2fa9a0fb
JS
165 }
166 }
167
4ddba79d 168 if (regex_) {
f98d863d
JS
169 if (regex_[0] == '!') {
170 do_not_match = 1;
171 regex_++;
172 }
173
2d7320d0 174 regexp = (regex_t*)xmalloc(sizeof(regex_t));
0a152171 175 if (regcomp(regexp, regex_, REG_EXTENDED)) {
4ddba79d 176 fprintf(stderr, "Invalid pattern: %s\n", regex_);
5f1a63e0 177 goto free_strings;
4ddba79d
JS
178 }
179 }
180
32043c9f 181 if (do_all && system_wide)
ef90d6d4 182 git_config_from_file(show_config, system_wide, NULL);
5f1a63e0 183 if (do_all && global)
ef90d6d4
JS
184 git_config_from_file(show_config, global, NULL);
185 git_config_from_file(show_config, local, NULL);
5f1a63e0 186 if (!do_all && !seen && global)
ef90d6d4 187 git_config_from_file(show_config, global, NULL);
32043c9f 188 if (!do_all && !seen && system_wide)
ef90d6d4 189 git_config_from_file(show_config, system_wide, NULL);
5f1a63e0 190
4ddba79d 191 free(key);
0a152171
AW
192 if (regexp) {
193 regfree(regexp);
194 free(regexp);
4ddba79d
JS
195 }
196
197 if (do_all)
5f1a63e0
JS
198 ret = !seen;
199 else
dc2613de 200 ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
5f1a63e0
JS
201
202free_strings:
4cac42b1
JH
203 free(repo_config);
204 free(global);
5f1a63e0 205 return ret;
4ddba79d 206}
1b1e59c5 207
186458b1 208static char *normalize_value(const char *key, const char *value)
db1696b8
FL
209{
210 char *normalized;
211
212 if (!value)
213 return NULL;
214
215 if (type == T_RAW)
216 normalized = xstrdup(value);
217 else {
218 normalized = xmalloc(64);
219 if (type == T_INT) {
220 int v = git_config_int(key, value);
221 sprintf(normalized, "%d", v);
222 }
223 else if (type == T_BOOL)
224 sprintf(normalized, "%s",
225 git_config_bool(key, value) ? "true" : "false");
c35b0b58
JH
226 else if (type == T_BOOL_OR_INT) {
227 int is_bool, v;
228 v = git_config_bool_or_int(key, value, &is_bool);
229 if (!is_bool)
230 sprintf(normalized, "%d", v);
231 else
232 sprintf(normalized, "%s", v ? "true" : "false");
233 }
db1696b8
FL
234 }
235
236 return normalized;
237}
238
9ce03522
JH
239static int get_color_found;
240static const char *get_color_slot;
b408457f 241static const char *get_colorbool_slot;
9ce03522
JH
242static char parsed_color[COLOR_MAXLEN];
243
ef90d6d4 244static int git_get_color_config(const char *var, const char *value, void *cb)
9ce03522
JH
245{
246 if (!strcmp(var, get_color_slot)) {
f769982d
JH
247 if (!value)
248 config_error_nonbool(var);
9ce03522
JH
249 color_parse(value, var, parsed_color);
250 get_color_found = 1;
251 }
252 return 0;
253}
254
0e854a28 255static void get_color(const char *def_color)
9ce03522 256{
9ce03522
JH
257 get_color_found = 0;
258 parsed_color[0] = '\0';
ef90d6d4 259 git_config(git_get_color_config, NULL);
9ce03522
JH
260
261 if (!get_color_found && def_color)
262 color_parse(def_color, "command line", parsed_color);
263
264 fputs(parsed_color, stdout);
9ce03522
JH
265}
266
0f6f5a40
JH
267static int stdout_is_tty;
268static int get_colorbool_found;
69243c2b 269static int get_diff_color_found;
ef90d6d4
JS
270static int git_get_colorbool_config(const char *var, const char *value,
271 void *cb)
0f6f5a40 272{
b408457f 273 if (!strcmp(var, get_colorbool_slot)) {
0f6f5a40
JH
274 get_colorbool_found =
275 git_config_colorbool(var, value, stdout_is_tty);
69243c2b
JH
276 }
277 if (!strcmp(var, "diff.color")) {
278 get_diff_color_found =
279 git_config_colorbool(var, value, stdout_is_tty);
280 }
4d4f5ba3
MK
281 if (!strcmp(var, "color.ui")) {
282 git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
283 return 0;
284 }
0f6f5a40
JH
285 return 0;
286}
287
0e854a28 288static int get_colorbool(int print)
0f6f5a40 289{
69243c2b
JH
290 get_colorbool_found = -1;
291 get_diff_color_found = -1;
ef90d6d4 292 git_config(git_get_colorbool_config, NULL);
0f6f5a40 293
69243c2b 294 if (get_colorbool_found < 0) {
b408457f 295 if (!strcmp(get_colorbool_slot, "color.diff"))
69243c2b
JH
296 get_colorbool_found = get_diff_color_found;
297 if (get_colorbool_found < 0)
4d4f5ba3 298 get_colorbool_found = git_use_color_default;
69243c2b
JH
299 }
300
0e854a28 301 if (print) {
0f6f5a40
JH
302 printf("%s\n", get_colorbool_found ? "true" : "false");
303 return 0;
0e854a28
FC
304 } else
305 return get_colorbool_found ? 0 : 1;
0f6f5a40
JH
306}
307
b408457f 308int cmd_config(int argc, const char **argv, const char *unused_prefix)
1b1e59c5 309{
af05d679 310 int nongit;
4b951b7e 311 char *value;
b408457f 312 const char *prefix = setup_git_directory_gently(&nongit);
7162dff3 313
dc871831
DB
314 config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
315
d64ec16c
FC
316 argc = parse_options(argc, argv, builtin_config_options, builtin_config_usage,
317 PARSE_OPT_STOP_AT_NON_OPTION);
318
319 if (use_global_config) {
320 char *home = getenv("HOME");
321 if (home) {
322 char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
323 config_exclusive_filename = user_config;
db1696b8 324 } else {
d64ec16c 325 die("$HOME not set");
db1696b8 326 }
d64ec16c
FC
327 }
328 else if (use_system_config)
329 config_exclusive_filename = git_etc_gitconfig();
330 else if (given_config_file) {
331 if (!is_absolute_path(given_config_file) && prefix)
332 config_exclusive_filename = prefix_filename(prefix,
333 strlen(prefix),
334 argv[2]);
335 else
336 config_exclusive_filename = given_config_file;
337 }
338
339 if (end_null) {
340 term = '\0';
341 delim = '\n';
342 key_delim = '\n';
343 }
344
345 if (get_color_slot)
346 actions |= ACTION_GET_COLOR;
347 if (get_colorbool_slot)
348 actions |= ACTION_GET_COLORBOOL;
349
350 if (HAS_MULTI_BITS(actions)) {
351 error("only one action at a time.");
352 usage_with_options(builtin_config_usage, builtin_config_options);
353 }
354 if (actions == 0)
355 switch (argc) {
356 case 1: actions = ACTION_GET; break;
357 case 2: actions = ACTION_SET; break;
358 case 3: actions = ACTION_SET_ALL; break;
359 default:
360 usage_with_options(builtin_config_usage, builtin_config_options);
db1696b8 361 }
d64ec16c
FC
362
363 if (actions == ACTION_LIST) {
364 if (git_config(show_all_config, NULL) < 0) {
365 if (config_exclusive_filename)
366 die("unable to read config file %s: %s",
367 config_exclusive_filename, strerror(errno));
368 else
369 die("error processing config file(s)");
db1696b8 370 }
1b1e59c5 371 }
d64ec16c
FC
372 else if (actions == ACTION_EDIT) {
373 git_config(git_default_config, NULL);
374 launch_editor(config_exclusive_filename ?
375 config_exclusive_filename : git_path("config"),
376 NULL, NULL);
377 }
378 else if (actions == ACTION_SET) {
379 check_argc(argc, 2, 2);
380 value = normalize_value(argv[0], argv[1]);
381 return git_config_set(argv[0], value);
382 }
383 else if (actions == ACTION_SET_ALL) {
384 check_argc(argc, 2, 3);
385 value = normalize_value(argv[0], argv[1]);
386 return git_config_set_multivar(argv[0], value, argv[2], 0);
387 }
388 else if (actions == ACTION_ADD) {
389 check_argc(argc, 2, 2);
390 value = normalize_value(argv[0], argv[1]);
391 return git_config_set_multivar(argv[0], value, "^$", 0);
392 }
393 else if (actions == ACTION_REPLACE_ALL) {
394 check_argc(argc, 2, 3);
395 value = normalize_value(argv[0], argv[1]);
396 return git_config_set_multivar(argv[0], value, argv[2], 1);
397 }
398 else if (actions == ACTION_GET) {
399 check_argc(argc, 1, 2);
400 return get_value(argv[0], argv[1]);
401 }
402 else if (actions == ACTION_GET_ALL) {
403 do_all = 1;
404 check_argc(argc, 1, 2);
405 return get_value(argv[0], argv[1]);
406 }
407 else if (actions == ACTION_GET_REGEXP) {
408 show_keys = 1;
409 use_key_regexp = 1;
410 do_all = 1;
411 check_argc(argc, 1, 2);
412 return get_value(argv[0], argv[1]);
413 }
414 else if (actions == ACTION_UNSET) {
415 check_argc(argc, 1, 2);
416 if (argc == 2)
417 return git_config_set_multivar(argv[0], NULL, argv[1], 0);
418 else
419 return git_config_set(argv[0], NULL);
420 }
421 else if (actions == ACTION_UNSET_ALL) {
422 check_argc(argc, 1, 2);
423 return git_config_set_multivar(argv[0], NULL, argv[1], 1);
424 }
425 else if (actions == ACTION_RENAME_SECTION) {
426 int ret;
427 check_argc(argc, 2, 2);
428 ret = git_config_rename_section(argv[0], argv[1]);
429 if (ret < 0)
430 return ret;
431 if (ret == 0)
432 die("No such section!");
433 }
434 else if (actions == ACTION_REMOVE_SECTION) {
435 int ret;
436 check_argc(argc, 1, 1);
437 ret = git_config_rename_section(argv[0], NULL);
438 if (ret < 0)
439 return ret;
440 if (ret == 0)
441 die("No such section!");
442 }
443 else if (actions == ACTION_GET_COLOR) {
444 get_color(argv[0]);
445 }
446 else if (actions == ACTION_GET_COLORBOOL) {
447 if (argc == 1)
448 stdout_is_tty = git_config_bool("command line", argv[0]);
449 else if (argc == 0)
450 stdout_is_tty = isatty(1);
451 return get_colorbool(argc != 0);
452 }
453
1b1e59c5
JS
454 return 0;
455}