Andrew's git - gitweb.git/blob

   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 | --bool-or-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] | --edit | -e ]";
   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, T_BOOL_OR_INT } type = T_RAW;
  20
  21static int show_all_config(const char *key_, const char *value_, void *cb)
  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_, void *cb)
  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 if (type == T_BOOL_OR_INT) {
  57                int is_bool, v;
  58                v = git_config_bool_or_int(key_, value_, &is_bool);
  59                if (is_bool)
  60                        vptr = v ? "true" : "false";
  61                else
  62                        sprintf(value, "%d", v);
  63        }
  64        else
  65                vptr = value_?value_:"";
  66        seen++;
  67        if (dup_error) {
  68                error("More than one value for the key %s: %s",
  69                                key_, vptr);
  70        }
  71        else
  72                printf("%s%c", vptr, term);
  73
  74        return 0;
  75}
  76
  77static int get_value(const char *key_, const char *regex_)
  78{
  79        int ret = -1;
  80        char *tl;
  81        char *global = NULL, *repo_config = NULL;
  82        const char *system_wide = NULL, *local;
  83
  84        local = config_exclusive_filename;
  85        if (!local) {
  86                const char *home = getenv("HOME");
  87                local = repo_config = git_pathdup("config");
  88                if (git_config_global() && home)
  89                        global = xstrdup(mkpath("%s/.gitconfig", home));
  90                if (git_config_system())
  91                        system_wide = git_etc_gitconfig();
  92        }
  93
  94        key = xstrdup(key_);
  95        for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  96                *tl = tolower(*tl);
  97        for (tl=key; *tl && *tl != '.'; ++tl)
  98                *tl = tolower(*tl);
  99
 100        if (use_key_regexp) {
 101                key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
 102                if (regcomp(key_regexp, key, REG_EXTENDED)) {
 103                        fprintf(stderr, "Invalid key pattern: %s\n", key_);
 104                        goto free_strings;
 105                }
 106        }
 107
 108        if (regex_) {
 109                if (regex_[0] == '!') {
 110                        do_not_match = 1;
 111                        regex_++;
 112                }
 113
 114                regexp = (regex_t*)xmalloc(sizeof(regex_t));
 115                if (regcomp(regexp, regex_, REG_EXTENDED)) {
 116                        fprintf(stderr, "Invalid pattern: %s\n", regex_);
 117                        goto free_strings;
 118                }
 119        }
 120
 121        if (do_all && system_wide)
 122                git_config_from_file(show_config, system_wide, NULL);
 123        if (do_all && global)
 124                git_config_from_file(show_config, global, NULL);
 125        git_config_from_file(show_config, local, NULL);
 126        if (!do_all && !seen && global)
 127                git_config_from_file(show_config, global, NULL);
 128        if (!do_all && !seen && system_wide)
 129                git_config_from_file(show_config, system_wide, NULL);
 130
 131        free(key);
 132        if (regexp) {
 133                regfree(regexp);
 134                free(regexp);
 135        }
 136
 137        if (do_all)
 138                ret = !seen;
 139        else
 140                ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 141
 142free_strings:
 143        free(repo_config);
 144        free(global);
 145        return ret;
 146}
 147
 148static char *normalize_value(const char *key, const char *value)
 149{
 150        char *normalized;
 151
 152        if (!value)
 153                return NULL;
 154
 155        if (type == T_RAW)
 156                normalized = xstrdup(value);
 157        else {
 158                normalized = xmalloc(64);
 159                if (type == T_INT) {
 160                        int v = git_config_int(key, value);
 161                        sprintf(normalized, "%d", v);
 162                }
 163                else if (type == T_BOOL)
 164                        sprintf(normalized, "%s",
 165                                git_config_bool(key, value) ? "true" : "false");
 166                else if (type == T_BOOL_OR_INT) {
 167                        int is_bool, v;
 168                        v = git_config_bool_or_int(key, value, &is_bool);
 169                        if (!is_bool)
 170                                sprintf(normalized, "%d", v);
 171                        else
 172                                sprintf(normalized, "%s", v ? "true" : "false");
 173                }
 174        }
 175
 176        return normalized;
 177}
 178
 179static int get_color_found;
 180static const char *get_color_slot;
 181static const char *get_colorbool_slot;
 182static char parsed_color[COLOR_MAXLEN];
 183
 184static int git_get_color_config(const char *var, const char *value, void *cb)
 185{
 186        if (!strcmp(var, get_color_slot)) {
 187                if (!value)
 188                        config_error_nonbool(var);
 189                color_parse(value, var, parsed_color);
 190                get_color_found = 1;
 191        }
 192        return 0;
 193}
 194
 195static void get_color(const char *def_color)
 196{
 197        get_color_found = 0;
 198        parsed_color[0] = '\0';
 199        git_config(git_get_color_config, NULL);
 200
 201        if (!get_color_found && def_color)
 202                color_parse(def_color, "command line", parsed_color);
 203
 204        fputs(parsed_color, stdout);
 205}
 206
 207static int stdout_is_tty;
 208static int get_colorbool_found;
 209static int get_diff_color_found;
 210static int git_get_colorbool_config(const char *var, const char *value,
 211                void *cb)
 212{
 213        if (!strcmp(var, get_colorbool_slot)) {
 214                get_colorbool_found =
 215                        git_config_colorbool(var, value, stdout_is_tty);
 216        }
 217        if (!strcmp(var, "diff.color")) {
 218                get_diff_color_found =
 219                        git_config_colorbool(var, value, stdout_is_tty);
 220        }
 221        if (!strcmp(var, "color.ui")) {
 222                git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
 223                return 0;
 224        }
 225        return 0;
 226}
 227
 228static int get_colorbool(int print)
 229{
 230        get_colorbool_found = -1;
 231        get_diff_color_found = -1;
 232        git_config(git_get_colorbool_config, NULL);
 233
 234        if (get_colorbool_found < 0) {
 235                if (!strcmp(get_colorbool_slot, "color.diff"))
 236                        get_colorbool_found = get_diff_color_found;
 237                if (get_colorbool_found < 0)
 238                        get_colorbool_found = git_use_color_default;
 239        }
 240
 241        if (print) {
 242                printf("%s\n", get_colorbool_found ? "true" : "false");
 243                return 0;
 244        } else
 245                return get_colorbool_found ? 0 : 1;
 246}
 247
 248int cmd_config(int argc, const char **argv, const char *unused_prefix)
 249{
 250        int nongit;
 251        char *value;
 252        const char *prefix = setup_git_directory_gently(&nongit);
 253
 254        config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
 255
 256        while (1 < argc) {
 257                if (!strcmp(argv[1], "--int"))
 258                        type = T_INT;
 259                else if (!strcmp(argv[1], "--bool"))
 260                        type = T_BOOL;
 261                else if (!strcmp(argv[1], "--bool-or-int"))
 262                        type = T_BOOL_OR_INT;
 263                else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
 264                        if (argc != 2)
 265                                usage(git_config_set_usage);
 266                        if (git_config(show_all_config, NULL) < 0) {
 267                                if (config_exclusive_filename)
 268                                        die("unable to read config file %s: %s",
 269                                            config_exclusive_filename, strerror(errno));
 270                                else
 271                                        die("error processing config file(s)");
 272                        }
 273                        return 0;
 274                }
 275                else if (!strcmp(argv[1], "--global")) {
 276                        char *home = getenv("HOME");
 277                        if (home) {
 278                                char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 279                                config_exclusive_filename = user_config;
 280                        } else {
 281                                die("$HOME not set");
 282                        }
 283                }
 284                else if (!strcmp(argv[1], "--system"))
 285                        config_exclusive_filename = git_etc_gitconfig();
 286                else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
 287                        if (argc < 3)
 288                                usage(git_config_set_usage);
 289                        if (!is_absolute_path(argv[2]) && prefix)
 290                                config_exclusive_filename = prefix_filename(prefix,
 291                                                                            strlen(prefix),
 292                                                                            argv[2]);
 293                        else
 294                                config_exclusive_filename = argv[2];
 295                        argc--;
 296                        argv++;
 297                }
 298                else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
 299                        term = '\0';
 300                        delim = '\n';
 301                        key_delim = '\n';
 302                }
 303                else if (!strcmp(argv[1], "--rename-section")) {
 304                        int ret;
 305                        if (argc != 4)
 306                                usage(git_config_set_usage);
 307                        ret = git_config_rename_section(argv[2], argv[3]);
 308                        if (ret < 0)
 309                                return ret;
 310                        if (ret == 0) {
 311                                fprintf(stderr, "No such section!\n");
 312                                return 1;
 313                        }
 314                        return 0;
 315                }
 316                else if (!strcmp(argv[1], "--remove-section")) {
 317                        int ret;
 318                        if (argc != 3)
 319                                usage(git_config_set_usage);
 320                        ret = git_config_rename_section(argv[2], NULL);
 321                        if (ret < 0)
 322                                return ret;
 323                        if (ret == 0) {
 324                                fprintf(stderr, "No such section!\n");
 325                                return 1;
 326                        }
 327                        return 0;
 328                } else if (!strcmp(argv[1], "--get-color")) {
 329                        if (argc > 4 || argc < 3)
 330                                usage(git_config_set_usage);
 331                        get_color_slot = argv[2];
 332                        get_color(argv[3]);
 333                        return 0;
 334                } else if (!strcmp(argv[1], "--get-colorbool")) {
 335                        if (argc == 4)
 336                                stdout_is_tty = git_config_bool("command line", argv[3]);
 337                        else if (argc == 3)
 338                                stdout_is_tty = isatty(1);
 339                        else
 340                                usage(git_config_set_usage);
 341                        get_colorbool_slot = argv[2];
 342                        return get_colorbool(argc != 3);
 343                } else if (!strcmp(argv[1], "--edit") || !strcmp(argv[1], "-e")) {
 344                        if (argc != 2)
 345                                usage(git_config_set_usage);
 346                        git_config(git_default_config, NULL);
 347                        launch_editor(config_exclusive_filename ?
 348                                      config_exclusive_filename : git_path("config"),
 349                                      NULL, NULL);
 350                        return 0;
 351                } else
 352                        break;
 353                argc--;
 354                argv++;
 355        }
 356
 357        switch (argc) {
 358        case 2:
 359                return get_value(argv[1], NULL);
 360        case 3:
 361                if (!strcmp(argv[1], "--unset"))
 362                        return git_config_set(argv[2], NULL);
 363                else if (!strcmp(argv[1], "--unset-all"))
 364                        return git_config_set_multivar(argv[2], NULL, NULL, 1);
 365                else if (!strcmp(argv[1], "--get"))
 366                        return get_value(argv[2], NULL);
 367                else if (!strcmp(argv[1], "--get-all")) {
 368                        do_all = 1;
 369                        return get_value(argv[2], NULL);
 370                } else if (!strcmp(argv[1], "--get-regexp")) {
 371                        show_keys = 1;
 372                        use_key_regexp = 1;
 373                        do_all = 1;
 374                        return get_value(argv[2], NULL);
 375                } else {
 376                        value = normalize_value(argv[1], argv[2]);
 377                        return git_config_set(argv[1], value);
 378                }
 379        case 4:
 380                if (!strcmp(argv[1], "--unset"))
 381                        return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 382                else if (!strcmp(argv[1], "--unset-all"))
 383                        return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 384                else if (!strcmp(argv[1], "--get"))
 385                        return get_value(argv[2], argv[3]);
 386                else if (!strcmp(argv[1], "--get-all")) {
 387                        do_all = 1;
 388                        return get_value(argv[2], argv[3]);
 389                } else if (!strcmp(argv[1], "--get-regexp")) {
 390                        show_keys = 1;
 391                        use_key_regexp = 1;
 392                        do_all = 1;
 393                        return get_value(argv[2], argv[3]);
 394                } else if (!strcmp(argv[1], "--add")) {
 395                        value = normalize_value(argv[2], argv[3]);
 396                        return git_config_set_multivar(argv[2], value, "^$", 0);
 397                } else if (!strcmp(argv[1], "--replace-all")) {
 398                        value = normalize_value(argv[2], argv[3]);
 399                        return git_config_set_multivar(argv[2], value, NULL, 1);
 400                } else {
 401                        value = normalize_value(argv[1], argv[2]);
 402                        return git_config_set_multivar(argv[1], value, argv[3], 0);
 403                }
 404        case 5:
 405                if (!strcmp(argv[1], "--replace-all")) {
 406                        value = normalize_value(argv[2], argv[3]);
 407                        return git_config_set_multivar(argv[2], value, argv[4], 1);
 408                }
 409        case 1:
 410        default:
 411                usage(git_config_set_usage);
 412        }
 413        return 0;
 414}