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]";
   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                color_parse(value, var, parsed_color);
 172                get_color_found = 1;
 173        }
 174        return 0;
 175}
 176
 177static int get_color(int argc, const char **argv)
 178{
 179        /*
 180         * grab the color setting for the given slot from the configuration,
 181         * or parse the default value if missing, and return ANSI color
 182         * escape sequence.
 183         *
 184         * e.g.
 185         * git config --get-color color.diff.whitespace "blue reverse"
 186         */
 187        const char *def_color = NULL;
 188
 189        switch (argc) {
 190        default:
 191                usage(git_config_set_usage);
 192        case 2:
 193                def_color = argv[1];
 194                /* fallthru */
 195        case 1:
 196                get_color_slot = argv[0];
 197                break;
 198        }
 199
 200        get_color_found = 0;
 201        parsed_color[0] = '\0';
 202        git_config(git_get_color_config);
 203
 204        if (!get_color_found && def_color)
 205                color_parse(def_color, "command line", parsed_color);
 206
 207        fputs(parsed_color, stdout);
 208        return 0;
 209}
 210
 211int cmd_config(int argc, const char **argv, const char *prefix)
 212{
 213        int nongit = 0;
 214        char* value;
 215        const char *file = setup_git_directory_gently(&nongit);
 216
 217        while (1 < argc) {
 218                if (!strcmp(argv[1], "--int"))
 219                        type = T_INT;
 220                else if (!strcmp(argv[1], "--bool"))
 221                        type = T_BOOL;
 222                else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
 223                        if (argc != 2)
 224                                usage(git_config_set_usage);
 225                        if (git_config(show_all_config) < 0 && file && errno)
 226                                die("unable to read config file %s: %s", file,
 227                                    strerror(errno));
 228                        return 0;
 229                }
 230                else if (!strcmp(argv[1], "--global")) {
 231                        char *home = getenv("HOME");
 232                        if (home) {
 233                                char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 234                                setenv(CONFIG_ENVIRONMENT, user_config, 1);
 235                                free(user_config);
 236                        } else {
 237                                die("$HOME not set");
 238                        }
 239                }
 240                else if (!strcmp(argv[1], "--system"))
 241                        setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
 242                else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
 243                        if (argc < 3)
 244                                usage(git_config_set_usage);
 245                        if (!is_absolute_path(argv[2]) && file)
 246                                file = prefix_filename(file, strlen(file),
 247                                                       argv[2]);
 248                        else
 249                                file = argv[2];
 250                        setenv(CONFIG_ENVIRONMENT, file, 1);
 251                        argc--;
 252                        argv++;
 253                }
 254                else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
 255                        term = '\0';
 256                        delim = '\n';
 257                        key_delim = '\n';
 258                }
 259                else if (!strcmp(argv[1], "--rename-section")) {
 260                        int ret;
 261                        if (argc != 4)
 262                                usage(git_config_set_usage);
 263                        ret = git_config_rename_section(argv[2], argv[3]);
 264                        if (ret < 0)
 265                                return ret;
 266                        if (ret == 0) {
 267                                fprintf(stderr, "No such section!\n");
 268                                return 1;
 269                        }
 270                        return 0;
 271                }
 272                else if (!strcmp(argv[1], "--remove-section")) {
 273                        int ret;
 274                        if (argc != 3)
 275                                usage(git_config_set_usage);
 276                        ret = git_config_rename_section(argv[2], NULL);
 277                        if (ret < 0)
 278                                return ret;
 279                        if (ret == 0) {
 280                                fprintf(stderr, "No such section!\n");
 281                                return 1;
 282                        }
 283                        return 0;
 284                } else if (!strcmp(argv[1], "--get-color")) {
 285                        return get_color(argc-2, argv+2);
 286                } else
 287                        break;
 288                argc--;
 289                argv++;
 290        }
 291
 292        switch (argc) {
 293        case 2:
 294                return get_value(argv[1], NULL);
 295        case 3:
 296                if (!strcmp(argv[1], "--unset"))
 297                        return git_config_set(argv[2], NULL);
 298                else if (!strcmp(argv[1], "--unset-all"))
 299                        return git_config_set_multivar(argv[2], NULL, NULL, 1);
 300                else if (!strcmp(argv[1], "--get"))
 301                        return get_value(argv[2], NULL);
 302                else if (!strcmp(argv[1], "--get-all")) {
 303                        do_all = 1;
 304                        return get_value(argv[2], NULL);
 305                } else if (!strcmp(argv[1], "--get-regexp")) {
 306                        show_keys = 1;
 307                        use_key_regexp = 1;
 308                        do_all = 1;
 309                        return get_value(argv[2], NULL);
 310                } else {
 311                        value = normalize_value(argv[1], argv[2]);
 312                        return git_config_set(argv[1], value);
 313                }
 314        case 4:
 315                if (!strcmp(argv[1], "--unset"))
 316                        return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 317                else if (!strcmp(argv[1], "--unset-all"))
 318                        return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 319                else if (!strcmp(argv[1], "--get"))
 320                        return get_value(argv[2], argv[3]);
 321                else if (!strcmp(argv[1], "--get-all")) {
 322                        do_all = 1;
 323                        return get_value(argv[2], argv[3]);
 324                } else if (!strcmp(argv[1], "--get-regexp")) {
 325                        show_keys = 1;
 326                        use_key_regexp = 1;
 327                        do_all = 1;
 328                        return get_value(argv[2], argv[3]);
 329                } else if (!strcmp(argv[1], "--add")) {
 330                        value = normalize_value(argv[2], argv[3]);
 331                        return git_config_set_multivar(argv[2], value, "^$", 0);
 332                } else if (!strcmp(argv[1], "--replace-all")) {
 333                        value = normalize_value(argv[2], argv[3]);
 334                        return git_config_set_multivar(argv[2], value, NULL, 1);
 335                } else {
 336                        value = normalize_value(argv[1], argv[2]);
 337                        return git_config_set_multivar(argv[1], value, argv[3], 0);
 338                }
 339        case 5:
 340                if (!strcmp(argv[1], "--replace-all")) {
 341                        value = normalize_value(argv[2], argv[3]);
 342                        return git_config_set_multivar(argv[2], value, argv[4], 1);
 343                }
 344        case 1:
 345        default:
 346                usage(git_config_set_usage);
 347        }
 348        return 0;
 349}