Andrew's git - gitweb.git/blob

   1#include "builtin.h"
   2#include "cache.h"
   3#include "color.h"
   4#include "parse-options.h"
   5
   6static const char *const builtin_config_usage[] = {
   7        "git config [options]",
   8        NULL
   9};
  10
  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;
  19static char delim = '=';
  20static char key_delim = ' ';
  21static char term = '\n';
  22static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
  23
  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
  81static int show_all_config(const char *key_, const char *value_, void *cb)
  82{
  83        if (value_)
  84                printf("%s%c%s%c", key_, delim, value_, term);
  85        else
  86                printf("%s%c", key_, term);
  87        return 0;
  88}
  89
  90static int show_config(const char *key_, const char *value_, void *cb)
  91{
  92        char value[256];
  93        const char *vptr = value;
  94        int dup_error = 0;
  95
  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 &&
 101            (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
 102                return 0;
 103
 104        if (show_keys) {
 105                if (value_)
 106                        printf("%s%c", key_, key_delim);
 107                else
 108                        printf("%s", key_);
 109        }
 110        if (seen && !do_all)
 111                dup_error = 1;
 112        if (type == T_INT)
 113                sprintf(value, "%d", git_config_int(key_, value_?value_:""));
 114        else if (type == T_BOOL)
 115                vptr = git_config_bool(key_, value_) ? "true" : "false";
 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        }
 124        else
 125                vptr = value_?value_:"";
 126        seen++;
 127        if (dup_error) {
 128                error("More than one value for the key %s: %s",
 129                                key_, vptr);
 130        }
 131        else
 132                printf("%s%c", vptr, term);
 133
 134        return 0;
 135}
 136
 137static int get_value(const char *key_, const char *regex_)
 138{
 139        int ret = -1;
 140        char *tl;
 141        char *global = NULL, *repo_config = NULL;
 142        const char *system_wide = NULL, *local;
 143
 144        local = config_exclusive_filename;
 145        if (!local) {
 146                const char *home = getenv("HOME");
 147                local = repo_config = git_pathdup("config");
 148                if (git_config_global() && home)
 149                        global = xstrdup(mkpath("%s/.gitconfig", home));
 150                if (git_config_system())
 151                        system_wide = git_etc_gitconfig();
 152        }
 153
 154        key = xstrdup(key_);
 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);
 159
 160        if (use_key_regexp) {
 161                key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
 162                if (regcomp(key_regexp, key, REG_EXTENDED)) {
 163                        fprintf(stderr, "Invalid key pattern: %s\n", key_);
 164                        goto free_strings;
 165                }
 166        }
 167
 168        if (regex_) {
 169                if (regex_[0] == '!') {
 170                        do_not_match = 1;
 171                        regex_++;
 172                }
 173
 174                regexp = (regex_t*)xmalloc(sizeof(regex_t));
 175                if (regcomp(regexp, regex_, REG_EXTENDED)) {
 176                        fprintf(stderr, "Invalid pattern: %s\n", regex_);
 177                        goto free_strings;
 178                }
 179        }
 180
 181        if (do_all && system_wide)
 182                git_config_from_file(show_config, system_wide, NULL);
 183        if (do_all && global)
 184                git_config_from_file(show_config, global, NULL);
 185        git_config_from_file(show_config, local, NULL);
 186        if (!do_all && !seen && global)
 187                git_config_from_file(show_config, global, NULL);
 188        if (!do_all && !seen && system_wide)
 189                git_config_from_file(show_config, system_wide, NULL);
 190
 191        free(key);
 192        if (regexp) {
 193                regfree(regexp);
 194                free(regexp);
 195        }
 196
 197        if (do_all)
 198                ret = !seen;
 199        else
 200                ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 201
 202free_strings:
 203        free(repo_config);
 204        free(global);
 205        return ret;
 206}
 207
 208static char *normalize_value(const char *key, const char *value)
 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");
 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                }
 234        }
 235
 236        return normalized;
 237}
 238
 239static int get_color_found;
 240static const char *get_color_slot;
 241static const char *get_colorbool_slot;
 242static char parsed_color[COLOR_MAXLEN];
 243
 244static int git_get_color_config(const char *var, const char *value, void *cb)
 245{
 246        if (!strcmp(var, get_color_slot)) {
 247                if (!value)
 248                        config_error_nonbool(var);
 249                color_parse(value, var, parsed_color);
 250                get_color_found = 1;
 251        }
 252        return 0;
 253}
 254
 255static void get_color(const char *def_color)
 256{
 257        get_color_found = 0;
 258        parsed_color[0] = '\0';
 259        git_config(git_get_color_config, NULL);
 260
 261        if (!get_color_found && def_color)
 262                color_parse(def_color, "command line", parsed_color);
 263
 264        fputs(parsed_color, stdout);
 265}
 266
 267static int stdout_is_tty;
 268static int get_colorbool_found;
 269static int get_diff_color_found;
 270static int git_get_colorbool_config(const char *var, const char *value,
 271                void *cb)
 272{
 273        if (!strcmp(var, get_colorbool_slot)) {
 274                get_colorbool_found =
 275                        git_config_colorbool(var, value, stdout_is_tty);
 276        }
 277        if (!strcmp(var, "diff.color")) {
 278                get_diff_color_found =
 279                        git_config_colorbool(var, value, stdout_is_tty);
 280        }
 281        if (!strcmp(var, "color.ui")) {
 282                git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
 283                return 0;
 284        }
 285        return 0;
 286}
 287
 288static int get_colorbool(int print)
 289{
 290        get_colorbool_found = -1;
 291        get_diff_color_found = -1;
 292        git_config(git_get_colorbool_config, NULL);
 293
 294        if (get_colorbool_found < 0) {
 295                if (!strcmp(get_colorbool_slot, "color.diff"))
 296                        get_colorbool_found = get_diff_color_found;
 297                if (get_colorbool_found < 0)
 298                        get_colorbool_found = git_use_color_default;
 299        }
 300
 301        if (print) {
 302                printf("%s\n", get_colorbool_found ? "true" : "false");
 303                return 0;
 304        } else
 305                return get_colorbool_found ? 0 : 1;
 306}
 307
 308int cmd_config(int argc, const char **argv, const char *unused_prefix)
 309{
 310        int nongit;
 311        char *value;
 312        const char *prefix = setup_git_directory_gently(&nongit);
 313
 314        config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
 315
 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;
 324                } else {
 325                        die("$HOME not set");
 326                }
 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);
 361                }
 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)");
 370                }
 371        }
 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
 454        return 0;
 455}