Andrew's git - gitweb.git/blob

   1#include "builtin.h"
   2#include "cache.h"
   3
   4static const char git_config_set_usage[] =
   5"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";
   6
   7static char *key;
   8static regex_t *key_regexp;
   9static regex_t *regexp;
  10static int show_keys;
  11static int use_key_regexp;
  12static int do_all;
  13static int do_not_match;
  14static int seen;
  15static char delim = '=';
  16static char key_delim = ' ';
  17static char term = '\n';
  18static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
  19
  20static int show_all_config(const char *key_, const char *value_)
  21{
  22        if (value_)
  23                printf("%s%c%s%c", key_, delim, value_, term);
  24        else
  25                printf("%s%c", key_, term);
  26        return 0;
  27}
  28
  29static int show_config(const char* key_, const char* value_)
  30{
  31        char value[256];
  32        const char *vptr = value;
  33        int dup_error = 0;
  34
  35        if (!use_key_regexp && strcmp(key_, key))
  36                return 0;
  37        if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
  38                return 0;
  39        if (regexp != NULL &&
  40                         (do_not_match ^
  41                          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
 164int cmd_config(int argc, const char **argv, const char *prefix)
 165{
 166        int nongit = 0;
 167        char* value;
 168        const char *file = setup_git_directory_gently(&nongit);
 169
 170        while (1 < argc) {
 171                if (!strcmp(argv[1], "--int"))
 172                        type = T_INT;
 173                else if (!strcmp(argv[1], "--bool"))
 174                        type = T_BOOL;
 175                else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
 176                        if (argc != 2)
 177                                usage(git_config_set_usage);
 178                        if (git_config(show_all_config) < 0 && file && errno)
 179                                die("unable to read config file %s: %s", file,
 180                                    strerror(errno));
 181                        return 0;
 182                }
 183                else if (!strcmp(argv[1], "--global")) {
 184                        char *home = getenv("HOME");
 185                        if (home) {
 186                                char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 187                                setenv(CONFIG_ENVIRONMENT, user_config, 1);
 188                                free(user_config);
 189                        } else {
 190                                die("$HOME not set");
 191                        }
 192                }
 193                else if (!strcmp(argv[1], "--system"))
 194                        setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
 195                else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
 196                        if (argc < 3)
 197                                usage(git_config_set_usage);
 198                        if (!is_absolute_path(argv[2]) && file)
 199                                file = prefix_filename(file, strlen(file),
 200                                                       argv[2]);
 201                        else
 202                                file = argv[2];
 203                        setenv(CONFIG_ENVIRONMENT, file, 1);
 204                        argc--;
 205                        argv++;
 206                }
 207                else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
 208                        term = '\0';
 209                        delim = '\n';
 210                        key_delim = '\n';
 211                }
 212                else if (!strcmp(argv[1], "--rename-section")) {
 213                        int ret;
 214                        if (argc != 4)
 215                                usage(git_config_set_usage);
 216                        ret = git_config_rename_section(argv[2], argv[3]);
 217                        if (ret < 0)
 218                                return ret;
 219                        if (ret == 0) {
 220                                fprintf(stderr, "No such section!\n");
 221                                return 1;
 222                        }
 223                        return 0;
 224                }
 225                else if (!strcmp(argv[1], "--remove-section")) {
 226                        int ret;
 227                        if (argc != 3)
 228                                usage(git_config_set_usage);
 229                        ret = git_config_rename_section(argv[2], NULL);
 230                        if (ret < 0)
 231                                return ret;
 232                        if (ret == 0) {
 233                                fprintf(stderr, "No such section!\n");
 234                                return 1;
 235                        }
 236                        return 0;
 237                }
 238                else
 239                        break;
 240                argc--;
 241                argv++;
 242        }
 243
 244        switch (argc) {
 245        case 2:
 246                return get_value(argv[1], NULL);
 247        case 3:
 248                if (!strcmp(argv[1], "--unset"))
 249                        return git_config_set(argv[2], NULL);
 250                else if (!strcmp(argv[1], "--unset-all"))
 251                        return git_config_set_multivar(argv[2], NULL, NULL, 1);
 252                else if (!strcmp(argv[1], "--get"))
 253                        return get_value(argv[2], NULL);
 254                else if (!strcmp(argv[1], "--get-all")) {
 255                        do_all = 1;
 256                        return get_value(argv[2], NULL);
 257                } else if (!strcmp(argv[1], "--get-regexp")) {
 258                        show_keys = 1;
 259                        use_key_regexp = 1;
 260                        do_all = 1;
 261                        return get_value(argv[2], NULL);
 262                } else {
 263                        value = normalize_value(argv[1], argv[2]);
 264                        return git_config_set(argv[1], value);
 265                }
 266        case 4:
 267                if (!strcmp(argv[1], "--unset"))
 268                        return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 269                else if (!strcmp(argv[1], "--unset-all"))
 270                        return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 271                else if (!strcmp(argv[1], "--get"))
 272                        return get_value(argv[2], argv[3]);
 273                else if (!strcmp(argv[1], "--get-all")) {
 274                        do_all = 1;
 275                        return get_value(argv[2], argv[3]);
 276                } else if (!strcmp(argv[1], "--get-regexp")) {
 277                        show_keys = 1;
 278                        use_key_regexp = 1;
 279                        do_all = 1;
 280                        return get_value(argv[2], argv[3]);
 281                } else if (!strcmp(argv[1], "--add")) {
 282                        value = normalize_value(argv[2], argv[3]);
 283                        return git_config_set_multivar(argv[2], value, "^$", 0);
 284                } else if (!strcmp(argv[1], "--replace-all")) {
 285                        value = normalize_value(argv[2], argv[3]);
 286                        return git_config_set_multivar(argv[2], value, NULL, 1);
 287                } else {
 288                        value = normalize_value(argv[1], argv[2]);
 289                        return git_config_set_multivar(argv[1], value, argv[3], 0);
 290                }
 291        case 5:
 292                if (!strcmp(argv[1], "--replace-all")) {
 293                        value = normalize_value(argv[2], argv[3]);
 294                        return git_config_set_multivar(argv[2], value, argv[4], 1);
 295                }
 296        case 1:
 297        default:
 298                usage(git_config_set_usage);
 299        }
 300        return 0;
 301}