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 ] [ -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 (home)
  83                        global = xstrdup(mkpath("%s/.gitconfig", home));
  84                system_wide = git_etc_gitconfig();
  85        }
  86
  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);
  92
  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;
  98                }
  99        }
 100
 101        if (regex_) {
 102                if (regex_[0] == '!') {
 103                        do_not_match = 1;
 104                        regex_++;
 105                }
 106
 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;
 111                }
 112        }
 113
 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);
 123
 124        free(key);
 125        if (regexp) {
 126                regfree(regexp);
 127                free(regexp);
 128        }
 129
 130        if (do_all)
 131                ret = !seen;
 132        else
 133                ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 134
 135free_strings:
 136        free(repo_config);
 137        free(global);
 138        return ret;
 139}
 140
 141char *normalize_value(const char *key, const char *value)
 142{
 143        char *normalized;
 144
 145        if (!value)
 146                return NULL;
 147
 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);
 155                }
 156                else if (type == T_BOOL)
 157                        sprintf(normalized, "%s",
 158                                git_config_bool(key, value) ? "true" : "false");
 159        }
 160
 161        return normalized;
 162}
 163
 164static int get_color_found;
 165static const char *get_color_slot;
 166static char parsed_color[COLOR_MAXLEN];
 167
 168static int git_get_color_config(const char *var, const char *value)
 169{
 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;
 175        }
 176        return 0;
 177}
 178
 179static int get_color(int argc, const char **argv)
 180{
 181        /*
 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.
 185         *
 186         * e.g.
 187         * git config --get-color color.diff.whitespace "blue reverse"
 188         */
 189        const char *def_color = NULL;
 190
 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;
 200        }
 201
 202        get_color_found = 0;
 203        parsed_color[0] = '\0';
 204        git_config(git_get_color_config);
 205
 206        if (!get_color_found && def_color)
 207                color_parse(def_color, "command line", parsed_color);
 208
 209        fputs(parsed_color, stdout);
 210        return 0;
 211}
 212
 213static int stdout_is_tty;
 214static int get_colorbool_found;
 215static int get_diff_color_found;
 216static int git_get_colorbool_config(const char *var, const char *value)
 217{
 218        if (!strcmp(var, get_color_slot)) {
 219                get_colorbool_found =
 220                        git_config_colorbool(var, value, stdout_is_tty);
 221        }
 222        if (!strcmp(var, "diff.color")) {
 223                get_diff_color_found =
 224                        git_config_colorbool(var, value, stdout_is_tty);
 225        }
 226        return 0;
 227}
 228
 229static int get_colorbool(int argc, const char **argv)
 230{
 231        /*
 232         * git config --get-colorbool <slot> [<stdout-is-tty>]
 233         *
 234         * returns "true" or "false" depending on how <slot>
 235         * is configured.
 236         */
 237
 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);
 248
 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;
 254        }
 255
 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;
 261        }
 262}
 263
 264int cmd_config(int argc, const char **argv, const char *prefix)
 265{
 266        int nongit = 0;
 267        char* value;
 268        const char *file = setup_git_directory_gently(&nongit);
 269
 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;
 282                }
 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");
 291                        }
 292                }
 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++;
 306                }
 307                else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
 308                        term = '\0';
 309                        delim = '\n';
 310                        key_delim = '\n';
 311                }
 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;
 322                        }
 323                        return 0;
 324                }
 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;
 335                        }
 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++;
 345        }
 346
 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);
 368                }
 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);
 393                }
 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);
 398                }
 399        case 1:
 400        default:
 401                usage(git_config_set_usage);
 402        }
 403        return 0;
 404}