Merge branch 'ja/fetch-doc'
[gitweb.git] / builtin-config.c
index f71016204b540d0d935323c909a0ffccb1abdbe2..a2d656edb383da47fb3622f1f7c2d1524285ac00 100644 (file)
@@ -1,9 +1,12 @@
 #include "builtin.h"
 #include "cache.h"
 #include "color.h"
+#include "parse-options.h"
 
-static const char git_config_set_usage[] =
-"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]";
+static const char *const builtin_config_usage[] = {
+       "git config [options]",
+       NULL
+};
 
 static char *key;
 static regex_t *key_regexp;
@@ -16,7 +19,67 @@ static int seen;
 static char delim = '=';
 static char key_delim = ' ';
 static char term = '\n';
-static enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW;
+
+static int use_global_config, use_system_config;
+static const char *given_config_file;
+static int actions, types;
+static const char *get_color_slot, *get_colorbool_slot;
+static int end_null;
+
+#define ACTION_GET (1<<0)
+#define ACTION_GET_ALL (1<<1)
+#define ACTION_GET_REGEXP (1<<2)
+#define ACTION_REPLACE_ALL (1<<3)
+#define ACTION_ADD (1<<4)
+#define ACTION_UNSET (1<<5)
+#define ACTION_UNSET_ALL (1<<6)
+#define ACTION_RENAME_SECTION (1<<7)
+#define ACTION_REMOVE_SECTION (1<<8)
+#define ACTION_LIST (1<<9)
+#define ACTION_EDIT (1<<10)
+#define ACTION_SET (1<<11)
+#define ACTION_SET_ALL (1<<12)
+#define ACTION_GET_COLOR (1<<13)
+#define ACTION_GET_COLORBOOL (1<<14)
+
+#define TYPE_BOOL (1<<0)
+#define TYPE_INT (1<<1)
+#define TYPE_BOOL_OR_INT (1<<2)
+
+static struct option builtin_config_options[] = {
+       OPT_GROUP("Config file location"),
+       OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
+       OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
+       OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
+       OPT_GROUP("Action"),
+       OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
+       OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
+       OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
+       OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
+       OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
+       OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
+       OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
+       OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
+       OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
+       OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
+       OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
+       OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
+       OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
+       OPT_GROUP("Type"),
+       OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
+       OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
+       OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
+       OPT_GROUP("Other"),
+       OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
+       OPT_END(),
+};
+
+static void check_argc(int argc, int min, int max) {
+       if (argc >= min && argc <= max)
+               return;
+       error("wrong number of arguments");
+       usage_with_options(builtin_config_usage, builtin_config_options);
+}
 
 static int show_all_config(const char *key_, const char *value_, void *cb)
 {
@@ -27,7 +90,7 @@ static int show_all_config(const char *key_, const char *value_, void *cb)
        return 0;
 }
 
-static int show_config(const char* key_, const char* value_, void *cb)
+static int show_config(const char *key_, const char *value_, void *cb)
 {
        char value[256];
        const char *vptr = value;
@@ -49,11 +112,11 @@ static int show_config(const char* key_, const char* value_, void *cb)
        }
        if (seen && !do_all)
                dup_error = 1;
-       if (type == T_INT)
+       if (types == TYPE_INT)
                sprintf(value, "%d", git_config_int(key_, value_?value_:""));
-       else if (type == T_BOOL)
+       else if (types == TYPE_BOOL)
                vptr = git_config_bool(key_, value_) ? "true" : "false";
-       else if (type == T_BOOL_OR_INT) {
+       else if (types == TYPE_BOOL_OR_INT) {
                int is_bool, v;
                v = git_config_bool_or_int(key_, value_, &is_bool);
                if (is_bool)
@@ -74,7 +137,7 @@ static int show_config(const char* key_, const char* value_, void *cb)
        return 0;
 }
 
-static int get_value(const char* key_, const char* regex_)
+static int get_value(const char *key_, const char *regex_)
 {
        int ret = -1;
        char *tl;
@@ -152,18 +215,18 @@ static char *normalize_value(const char *key, const char *value)
        if (!value)
                return NULL;
 
-       if (type == T_RAW)
+       if (types == 0)
                normalized = xstrdup(value);
        else {
                normalized = xmalloc(64);
-               if (type == T_INT) {
+               if (types == TYPE_INT) {
                        int v = git_config_int(key, value);
                        sprintf(normalized, "%d", v);
                }
-               else if (type == T_BOOL)
+               else if (types == TYPE_BOOL)
                        sprintf(normalized, "%s",
                                git_config_bool(key, value) ? "true" : "false");
-               else if (type == T_BOOL_OR_INT) {
+               else if (types == TYPE_BOOL_OR_INT) {
                        int is_bool, v;
                        v = git_config_bool_or_int(key, value, &is_bool);
                        if (!is_bool)
@@ -178,6 +241,7 @@ static char *normalize_value(const char *key, const char *value)
 
 static int get_color_found;
 static const char *get_color_slot;
+static const char *get_colorbool_slot;
 static char parsed_color[COLOR_MAXLEN];
 
 static int git_get_color_config(const char *var, const char *value, void *cb)
@@ -191,29 +255,8 @@ static int git_get_color_config(const char *var, const char *value, void *cb)
        return 0;
 }
 
-static int get_color(int argc, const char **argv)
+static void get_color(const char *def_color)
 {
-       /*
-        * grab the color setting for the given slot from the configuration,
-        * or parse the default value if missing, and return ANSI color
-        * escape sequence.
-        *
-        * e.g.
-        * git config --get-color color.diff.whitespace "blue reverse"
-        */
-       const char *def_color = NULL;
-
-       switch (argc) {
-       default:
-               usage(git_config_set_usage);
-       case 2:
-               def_color = argv[1];
-               /* fallthru */
-       case 1:
-               get_color_slot = argv[0];
-               break;
-       }
-
        get_color_found = 0;
        parsed_color[0] = '\0';
        git_config(git_get_color_config, NULL);
@@ -222,7 +265,6 @@ static int get_color(int argc, const char **argv)
                color_parse(def_color, "command line", parsed_color);
 
        fputs(parsed_color, stdout);
-       return 0;
 }
 
 static int stdout_is_tty;
@@ -231,7 +273,7 @@ static int get_diff_color_found;
 static int git_get_colorbool_config(const char *var, const char *value,
                void *cb)
 {
-       if (!strcmp(var, get_color_slot)) {
+       if (!strcmp(var, get_colorbool_slot)) {
                get_colorbool_found =
                        git_config_colorbool(var, value, stdout_is_tty);
        }
@@ -246,183 +288,191 @@ static int git_get_colorbool_config(const char *var, const char *value,
        return 0;
 }
 
-static int get_colorbool(int argc, const char **argv)
+static int get_colorbool(int print)
 {
-       /*
-        * git config --get-colorbool <slot> [<stdout-is-tty>]
-        *
-        * returns "true" or "false" depending on how <slot>
-        * is configured.
-        */
-
-       if (argc == 2)
-               stdout_is_tty = git_config_bool("command line", argv[1]);
-       else if (argc == 1)
-               stdout_is_tty = isatty(1);
-       else
-               usage(git_config_set_usage);
        get_colorbool_found = -1;
        get_diff_color_found = -1;
-       get_color_slot = argv[0];
        git_config(git_get_colorbool_config, NULL);
 
        if (get_colorbool_found < 0) {
-               if (!strcmp(get_color_slot, "color.diff"))
+               if (!strcmp(get_colorbool_slot, "color.diff"))
                        get_colorbool_found = get_diff_color_found;
                if (get_colorbool_found < 0)
                        get_colorbool_found = git_use_color_default;
        }
 
-       if (argc == 1) {
-               return get_colorbool_found ? 0 : 1;
-       } else {
+       if (print) {
                printf("%s\n", get_colorbool_found ? "true" : "false");
                return 0;
-       }
+       } else
+               return get_colorbool_found ? 0 : 1;
 }
 
-int cmd_config(int argc, const char **argv, const char *prefix)
+int cmd_config(int argc, const char **argv, const char *unused_prefix)
 {
        int nongit;
-       charvalue;
-       const char *file = setup_git_directory_gently(&nongit);
+       char *value;
+       const char *prefix = setup_git_directory_gently(&nongit);
 
        config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
 
-       while (1 < argc) {
-               if (!strcmp(argv[1], "--int"))
-                       type = T_INT;
-               else if (!strcmp(argv[1], "--bool"))
-                       type = T_BOOL;
-               else if (!strcmp(argv[1], "--bool-or-int"))
-                       type = T_BOOL_OR_INT;
-               else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
-                       if (argc != 2)
-                               usage(git_config_set_usage);
-                       if (git_config(show_all_config, NULL) < 0 &&
-                                       file && errno)
-                               die("unable to read config file %s: %s", file,
-                                   strerror(errno));
-                       return 0;
-               }
-               else if (!strcmp(argv[1], "--global")) {
-                       char *home = getenv("HOME");
-                       if (home) {
-                               char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
-                               config_exclusive_filename = user_config;
-                       } else {
-                               die("$HOME not set");
-                       }
-               }
-               else if (!strcmp(argv[1], "--system"))
-                       config_exclusive_filename = git_etc_gitconfig();
-               else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
-                       if (argc < 3)
-                               usage(git_config_set_usage);
-                       if (!is_absolute_path(argv[2]) && file)
-                               file = prefix_filename(file, strlen(file),
-                                                      argv[2]);
-                       else
-                               file = argv[2];
-                       config_exclusive_filename = file;
-                       argc--;
-                       argv++;
-               }
-               else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
-                       term = '\0';
-                       delim = '\n';
-                       key_delim = '\n';
-               }
-               else if (!strcmp(argv[1], "--rename-section")) {
-                       int ret;
-                       if (argc != 4)
-                               usage(git_config_set_usage);
-                       ret = git_config_rename_section(argv[2], argv[3]);
-                       if (ret < 0)
-                               return ret;
-                       if (ret == 0) {
-                               fprintf(stderr, "No such section!\n");
-                               return 1;
-                       }
-                       return 0;
-               }
-               else if (!strcmp(argv[1], "--remove-section")) {
-                       int ret;
-                       if (argc != 3)
-                               usage(git_config_set_usage);
-                       ret = git_config_rename_section(argv[2], NULL);
-                       if (ret < 0)
-                               return ret;
-                       if (ret == 0) {
-                               fprintf(stderr, "No such section!\n");
-                               return 1;
-                       }
-                       return 0;
-               } else if (!strcmp(argv[1], "--get-color")) {
-                       return get_color(argc-2, argv+2);
-               } else if (!strcmp(argv[1], "--get-colorbool")) {
-                       return get_colorbool(argc-2, argv+2);
-               } else
-                       break;
-               argc--;
-               argv++;
-       }
-
-       switch (argc) {
-       case 2:
-               return get_value(argv[1], NULL);
-       case 3:
-               if (!strcmp(argv[1], "--unset"))
-                       return git_config_set(argv[2], NULL);
-               else if (!strcmp(argv[1], "--unset-all"))
-                       return git_config_set_multivar(argv[2], NULL, NULL, 1);
-               else if (!strcmp(argv[1], "--get"))
-                       return get_value(argv[2], NULL);
-               else if (!strcmp(argv[1], "--get-all")) {
-                       do_all = 1;
-                       return get_value(argv[2], NULL);
-               } else if (!strcmp(argv[1], "--get-regexp")) {
-                       show_keys = 1;
-                       use_key_regexp = 1;
-                       do_all = 1;
-                       return get_value(argv[2], NULL);
+       argc = parse_options(argc, argv, prefix, builtin_config_options,
+                            builtin_config_usage,
+                            PARSE_OPT_STOP_AT_NON_OPTION);
+
+       if (use_global_config + use_system_config + !!given_config_file > 1) {
+               error("only one config file at a time.");
+               usage_with_options(builtin_config_usage, builtin_config_options);
+       }
+
+       if (use_global_config) {
+               char *home = getenv("HOME");
+               if (home) {
+                       char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
+                       config_exclusive_filename = user_config;
                } else {
-                       value = normalize_value(argv[1], argv[2]);
-                       return git_config_set(argv[1], value);
+                       die("$HOME not set");
                }
-       case 4:
-               if (!strcmp(argv[1], "--unset"))
-                       return git_config_set_multivar(argv[2], NULL, argv[3], 0);
-               else if (!strcmp(argv[1], "--unset-all"))
-                       return git_config_set_multivar(argv[2], NULL, argv[3], 1);
-               else if (!strcmp(argv[1], "--get"))
-                       return get_value(argv[2], argv[3]);
-               else if (!strcmp(argv[1], "--get-all")) {
-                       do_all = 1;
-                       return get_value(argv[2], argv[3]);
-               } else if (!strcmp(argv[1], "--get-regexp")) {
-                       show_keys = 1;
-                       use_key_regexp = 1;
-                       do_all = 1;
-                       return get_value(argv[2], argv[3]);
-               } else if (!strcmp(argv[1], "--add")) {
-                       value = normalize_value(argv[2], argv[3]);
-                       return git_config_set_multivar(argv[2], value, "^$", 0);
-               } else if (!strcmp(argv[1], "--replace-all")) {
-                       value = normalize_value(argv[2], argv[3]);
-                       return git_config_set_multivar(argv[2], value, NULL, 1);
-               } else {
-                       value = normalize_value(argv[1], argv[2]);
-                       return git_config_set_multivar(argv[1], value, argv[3], 0);
+       }
+       else if (use_system_config)
+               config_exclusive_filename = git_etc_gitconfig();
+       else if (given_config_file) {
+               if (!is_absolute_path(given_config_file) && prefix)
+                       config_exclusive_filename = prefix_filename(prefix,
+                                                                   strlen(prefix),
+                                                                   argv[2]);
+               else
+                       config_exclusive_filename = given_config_file;
+       }
+
+       if (end_null) {
+               term = '\0';
+               delim = '\n';
+               key_delim = '\n';
+       }
+
+       if (HAS_MULTI_BITS(types)) {
+               error("only one type at a time.");
+               usage_with_options(builtin_config_usage, builtin_config_options);
+       }
+
+       if (get_color_slot)
+           actions |= ACTION_GET_COLOR;
+       if (get_colorbool_slot)
+           actions |= ACTION_GET_COLORBOOL;
+
+       if ((get_color_slot || get_colorbool_slot) && types) {
+               error("--get-color and variable type are incoherent");
+               usage_with_options(builtin_config_usage, builtin_config_options);
+       }
+
+       if (HAS_MULTI_BITS(actions)) {
+               error("only one action at a time.");
+               usage_with_options(builtin_config_usage, builtin_config_options);
+       }
+       if (actions == 0)
+               switch (argc) {
+               case 1: actions = ACTION_GET; break;
+               case 2: actions = ACTION_SET; break;
+               case 3: actions = ACTION_SET_ALL; break;
+               default:
+                       usage_with_options(builtin_config_usage, builtin_config_options);
                }
-       case 5:
-               if (!strcmp(argv[1], "--replace-all")) {
-                       value = normalize_value(argv[2], argv[3]);
-                       return git_config_set_multivar(argv[2], value, argv[4], 1);
+
+       if (actions == ACTION_LIST) {
+               check_argc(argc, 0, 0);
+               if (git_config(show_all_config, NULL) < 0) {
+                       if (config_exclusive_filename)
+                               die_errno("unable to read config file '%s'",
+                                         config_exclusive_filename);
+                       else
+                               die("error processing config file(s)");
                }
-       case 1:
-       default:
-               usage(git_config_set_usage);
        }
+       else if (actions == ACTION_EDIT) {
+               check_argc(argc, 0, 0);
+               if (!config_exclusive_filename && nongit)
+                       die("not in a git directory");
+               git_config(git_default_config, NULL);
+               launch_editor(config_exclusive_filename ?
+                             config_exclusive_filename : git_path("config"),
+                             NULL, NULL);
+       }
+       else if (actions == ACTION_SET) {
+               check_argc(argc, 2, 2);
+               value = normalize_value(argv[0], argv[1]);
+               return git_config_set(argv[0], value);
+       }
+       else if (actions == ACTION_SET_ALL) {
+               check_argc(argc, 2, 3);
+               value = normalize_value(argv[0], argv[1]);
+               return git_config_set_multivar(argv[0], value, argv[2], 0);
+       }
+       else if (actions == ACTION_ADD) {
+               check_argc(argc, 2, 2);
+               value = normalize_value(argv[0], argv[1]);
+               return git_config_set_multivar(argv[0], value, "^$", 0);
+       }
+       else if (actions == ACTION_REPLACE_ALL) {
+               check_argc(argc, 2, 3);
+               value = normalize_value(argv[0], argv[1]);
+               return git_config_set_multivar(argv[0], value, argv[2], 1);
+       }
+       else if (actions == ACTION_GET) {
+               check_argc(argc, 1, 2);
+               return get_value(argv[0], argv[1]);
+       }
+       else if (actions == ACTION_GET_ALL) {
+               do_all = 1;
+               check_argc(argc, 1, 2);
+               return get_value(argv[0], argv[1]);
+       }
+       else if (actions == ACTION_GET_REGEXP) {
+               show_keys = 1;
+               use_key_regexp = 1;
+               do_all = 1;
+               check_argc(argc, 1, 2);
+               return get_value(argv[0], argv[1]);
+       }
+       else if (actions == ACTION_UNSET) {
+               check_argc(argc, 1, 2);
+               if (argc == 2)
+                       return git_config_set_multivar(argv[0], NULL, argv[1], 0);
+               else
+                       return git_config_set(argv[0], NULL);
+       }
+       else if (actions == ACTION_UNSET_ALL) {
+               check_argc(argc, 1, 2);
+               return git_config_set_multivar(argv[0], NULL, argv[1], 1);
+       }
+       else if (actions == ACTION_RENAME_SECTION) {
+               int ret;
+               check_argc(argc, 2, 2);
+               ret = git_config_rename_section(argv[0], argv[1]);
+               if (ret < 0)
+                       return ret;
+               if (ret == 0)
+                       die("No such section!");
+       }
+       else if (actions == ACTION_REMOVE_SECTION) {
+               int ret;
+               check_argc(argc, 1, 1);
+               ret = git_config_rename_section(argv[0], NULL);
+               if (ret < 0)
+                       return ret;
+               if (ret == 0)
+                       die("No such section!");
+       }
+       else if (actions == ACTION_GET_COLOR) {
+               get_color(argv[0]);
+       }
+       else if (actions == ACTION_GET_COLORBOOL) {
+               if (argc == 1)
+                       stdout_is_tty = git_config_bool("command line", argv[0]);
+               else if (argc == 0)
+                       stdout_is_tty = isatty(1);
+               return get_colorbool(argc != 0);
+       }
+
        return 0;
 }