fetch-pack: eliminate spurious error messages
[gitweb.git] / builtin / config.c
index d35c06ae51573eafbddd6309fda3f90ecef35d54..e1c33e0691796601ac869278c155194d33ee8332 100644 (file)
@@ -4,7 +4,7 @@
 #include "parse-options.h"
 
 static const char *const builtin_config_usage[] = {
-       "git config [options]",
+       N_("git config [options]"),
        NULL
 };
 
@@ -25,6 +25,7 @@ static const char *given_config_file;
 static int actions, types;
 static const char *get_color_slot, *get_colorbool_slot;
 static int end_null;
+static int respect_includes = -1;
 
 #define ACTION_GET (1<<0)
 #define ACTION_GET_ALL (1<<1)
@@ -48,32 +49,33 @@ static int end_null;
 #define TYPE_PATH (1<<3)
 
 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_BOOLEAN(0, "local", &use_local_config, "use repository 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_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH),
-       OPT_GROUP("Other"),
-       OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
+       OPT_GROUP(N_("Config file location")),
+       OPT_BOOLEAN(0, "global", &use_global_config, N_("use global config file")),
+       OPT_BOOLEAN(0, "system", &use_system_config, N_("use system config file")),
+       OPT_BOOLEAN(0, "local", &use_local_config, N_("use repository config file")),
+       OPT_STRING('f', "file", &given_config_file, N_("file"), N_("use given config file")),
+       OPT_GROUP(N_("Action")),
+       OPT_BIT(0, "get", &actions, N_("get value: name [value-regex]"), ACTION_GET),
+       OPT_BIT(0, "get-all", &actions, N_("get all values: key [value-regex]"), ACTION_GET_ALL),
+       OPT_BIT(0, "get-regexp", &actions, N_("get values for regexp: name-regex [value-regex]"), ACTION_GET_REGEXP),
+       OPT_BIT(0, "replace-all", &actions, N_("replace all matching variables: name value [value_regex]"), ACTION_REPLACE_ALL),
+       OPT_BIT(0, "add", &actions, N_("add a new variable: name value"), ACTION_ADD),
+       OPT_BIT(0, "unset", &actions, N_("remove a variable: name [value-regex]"), ACTION_UNSET),
+       OPT_BIT(0, "unset-all", &actions, N_("remove all matches: name [value-regex]"), ACTION_UNSET_ALL),
+       OPT_BIT(0, "rename-section", &actions, N_("rename section: old-name new-name"), ACTION_RENAME_SECTION),
+       OPT_BIT(0, "remove-section", &actions, N_("remove a section: name"), ACTION_REMOVE_SECTION),
+       OPT_BIT('l', "list", &actions, N_("list all"), ACTION_LIST),
+       OPT_BIT('e', "edit", &actions, N_("open an editor"), ACTION_EDIT),
+       OPT_STRING(0, "get-color", &get_color_slot, N_("slot"), N_("find the color configured: [default]")),
+       OPT_STRING(0, "get-colorbool", &get_colorbool_slot, N_("slot"), N_("find the color setting: [stdout-is-tty]")),
+       OPT_GROUP(N_("Type")),
+       OPT_BIT(0, "bool", &types, N_("value is \"true\" or \"false\""), TYPE_BOOL),
+       OPT_BIT(0, "int", &types, N_("value is decimal number"), TYPE_INT),
+       OPT_BIT(0, "bool-or-int", &types, N_("value is --bool or --int"), TYPE_BOOL_OR_INT),
+       OPT_BIT(0, "path", &types, N_("value is a path (file or directory name)"), TYPE_PATH),
+       OPT_GROUP(N_("Other")),
+       OPT_BOOLEAN('z', "null", &end_null, N_("terminate values with NUL byte")),
+       OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")),
        OPT_END(),
 };
 
@@ -158,18 +160,19 @@ static int show_config(const char *key_, const char *value_, void *cb)
 
 static int get_value(const char *key_, const char *regex_)
 {
-       int ret = -1;
-       char *global = NULL, *repo_config = NULL;
+       int ret = CONFIG_GENERIC_ERROR;
+       char *global = NULL, *xdg = NULL, *repo_config = NULL;
        const char *system_wide = NULL, *local;
+       struct config_include_data inc = CONFIG_INCLUDE_INIT;
+       config_fn_t fn;
+       void *data;
 
-       local = config_exclusive_filename;
+       local = given_config_file;
        if (!local) {
-               const char *home = getenv("HOME");
                local = repo_config = git_pathdup("config");
-               if (home)
-                       global = xstrdup(mkpath("%s/.gitconfig", home));
                if (git_config_system())
                        system_wide = git_etc_gitconfig();
+               home_config_paths(&global, &xdg, "config");
        }
 
        if (use_key_regexp) {
@@ -193,11 +196,14 @@ static int get_value(const char *key_, const char *regex_)
                if (regcomp(key_regexp, key, REG_EXTENDED)) {
                        fprintf(stderr, "Invalid key pattern: %s\n", key_);
                        free(key);
+                       ret = CONFIG_INVALID_PATTERN;
                        goto free_strings;
                }
        } else {
-               if (git_config_parse_key(key_, &key, NULL))
+               if (git_config_parse_key(key_, &key, NULL)) {
+                       ret = CONFIG_INVALID_KEY;
                        goto free_strings;
+               }
        }
 
        if (regex_) {
@@ -209,23 +215,37 @@ static int get_value(const char *key_, const char *regex_)
                regexp = (regex_t*)xmalloc(sizeof(regex_t));
                if (regcomp(regexp, regex_, REG_EXTENDED)) {
                        fprintf(stderr, "Invalid pattern: %s\n", regex_);
+                       ret = CONFIG_INVALID_PATTERN;
                        goto free_strings;
                }
        }
 
+       fn = show_config;
+       data = NULL;
+       if (respect_includes) {
+               inc.fn = fn;
+               inc.data = data;
+               fn = git_config_include;
+               data = &inc;
+       }
+
        if (do_all && system_wide)
-               git_config_from_file(show_config, system_wide, NULL);
+               git_config_from_file(fn, system_wide, data);
+       if (do_all && xdg)
+               git_config_from_file(fn, xdg, data);
        if (do_all && global)
-               git_config_from_file(show_config, global, NULL);
+               git_config_from_file(fn, global, data);
        if (do_all)
-               git_config_from_file(show_config, local, NULL);
-       git_config_from_parameters(show_config, NULL);
+               git_config_from_file(fn, local, data);
+       git_config_from_parameters(fn, data);
        if (!do_all && !seen)
-               git_config_from_file(show_config, local, NULL);
+               git_config_from_file(fn, local, data);
        if (!do_all && !seen && global)
-               git_config_from_file(show_config, global, NULL);
+               git_config_from_file(fn, global, data);
+       if (!do_all && !seen && xdg)
+               git_config_from_file(fn, xdg, data);
        if (!do_all && !seen && system_wide)
-               git_config_from_file(show_config, system_wide, NULL);
+               git_config_from_file(fn, system_wide, data);
 
        free(key);
        if (regexp) {
@@ -241,6 +261,7 @@ static int get_value(const char *key_, const char *regex_)
 free_strings:
        free(repo_config);
        free(global);
+       free(xdg);
        return ret;
 }
 
@@ -301,7 +322,8 @@ static void get_color(const char *def_color)
 {
        get_color_found = 0;
        parsed_color[0] = '\0';
-       git_config(git_get_color_config, NULL);
+       git_config_with_options(git_get_color_config, NULL,
+                               given_config_file, respect_includes);
 
        if (!get_color_found && def_color)
                color_parse(def_color, "command line", parsed_color);
@@ -328,7 +350,8 @@ static int get_colorbool(int print)
 {
        get_colorbool_found = -1;
        get_diff_color_found = -1;
-       git_config(git_get_colorbool_config, NULL);
+       git_config_with_options(git_get_colorbool_config, NULL,
+                               given_config_file, respect_includes);
 
        if (get_colorbool_found < 0) {
                if (!strcmp(get_colorbool_slot, "color.diff"))
@@ -351,7 +374,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        int nongit = !startup_info->have_repository;
        char *value;
 
-       config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
+       given_config_file = getenv(CONFIG_ENVIRONMENT);
 
        argc = parse_options(argc, argv, prefix, builtin_config_options,
                             builtin_config_usage,
@@ -363,27 +386,41 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        }
 
        if (use_global_config) {
-               char *home = getenv("HOME");
-               if (home) {
-                       char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
-                       config_exclusive_filename = user_config;
-               } else {
+               char *user_config = NULL;
+               char *xdg_config = NULL;
+
+               home_config_paths(&user_config, &xdg_config, "config");
+
+               if (!user_config)
+                       /*
+                        * It is unknown if HOME/.gitconfig exists, so
+                        * we do not know if we should write to XDG
+                        * location; error out even if XDG_CONFIG_HOME
+                        * is set and points at a sane location.
+                        */
                        die("$HOME not set");
-               }
+
+               if (access_or_warn(user_config, R_OK) &&
+                   xdg_config && !access_or_warn(xdg_config, R_OK))
+                       given_config_file = xdg_config;
+               else
+                       given_config_file = user_config;
        }
        else if (use_system_config)
-               config_exclusive_filename = git_etc_gitconfig();
+               given_config_file = git_etc_gitconfig();
        else if (use_local_config)
-               config_exclusive_filename = git_pathdup("config");
+               given_config_file = git_pathdup("config");
        else if (given_config_file) {
                if (!is_absolute_path(given_config_file) && prefix)
-                       config_exclusive_filename = prefix_filename(prefix,
-                                                                   strlen(prefix),
-                                                                   given_config_file);
-               else
-                       config_exclusive_filename = given_config_file;
+                       given_config_file =
+                               xstrdup(prefix_filename(prefix,
+                                                       strlen(prefix),
+                                                       given_config_file));
        }
 
+       if (respect_includes == -1)
+               respect_includes = !given_config_file;
+
        if (end_null) {
                term = '\0';
                delim = '\n';
@@ -420,28 +457,30 @@ int cmd_config(int argc, const char **argv, const char *prefix)
 
        if (actions == ACTION_LIST) {
                check_argc(argc, 0, 0);
-               if (git_config(show_all_config, NULL) < 0) {
-                       if (config_exclusive_filename)
+               if (git_config_with_options(show_all_config, NULL,
+                                           given_config_file,
+                                           respect_includes) < 0) {
+                       if (given_config_file)
                                die_errno("unable to read config file '%s'",
-                                         config_exclusive_filename);
+                                         given_config_file);
                        else
                                die("error processing config file(s)");
                }
        }
        else if (actions == ACTION_EDIT) {
                check_argc(argc, 0, 0);
-               if (!config_exclusive_filename && nongit)
+               if (!given_config_file && nongit)
                        die("not in a git directory");
                git_config(git_default_config, NULL);
-               launch_editor(config_exclusive_filename ?
-                             config_exclusive_filename : git_path("config"),
+               launch_editor(given_config_file ?
+                             given_config_file : git_path("config"),
                              NULL, NULL);
        }
        else if (actions == ACTION_SET) {
                int ret;
                check_argc(argc, 2, 2);
                value = normalize_value(argv[0], argv[1]);
-               ret = git_config_set(argv[0], value);
+               ret = git_config_set_in_file(given_config_file, argv[0], value);
                if (ret == CONFIG_NOTHING_SET)
                        error("cannot overwrite multiple values with a single value\n"
                        "       Use a regexp, --add or --replace-all to change %s.", argv[0]);
@@ -450,17 +489,20 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        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);
+               return git_config_set_multivar_in_file(given_config_file,
+                                                      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, "^$", 0);
+               return git_config_set_multivar_in_file(given_config_file,
+                                                      argv[0], value, "^$", 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);
+               return git_config_set_multivar_in_file(given_config_file,
+                                                      argv[0], value, argv[2], 1);
        }
        else if (actions == ACTION_GET) {
                check_argc(argc, 1, 2);
@@ -481,18 +523,22 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        else if (actions == ACTION_UNSET) {
                check_argc(argc, 1, 2);
                if (argc == 2)
-                       return git_config_set_multivar(argv[0], NULL, argv[1], 0);
+                       return git_config_set_multivar_in_file(given_config_file,
+                                                              argv[0], NULL, argv[1], 0);
                else
-                       return git_config_set(argv[0], NULL);
+                       return git_config_set_in_file(given_config_file,
+                                                     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);
+               return git_config_set_multivar_in_file(given_config_file,
+                                                      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]);
+               ret = git_config_rename_section_in_file(given_config_file,
+                                                       argv[0], argv[1]);
                if (ret < 0)
                        return ret;
                if (ret == 0)
@@ -501,7 +547,8 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        else if (actions == ACTION_REMOVE_SECTION) {
                int ret;
                check_argc(argc, 1, 1);
-               ret = git_config_rename_section(argv[0], NULL);
+               ret = git_config_rename_section_in_file(given_config_file,
+                                                       argv[0], NULL);
                if (ret < 0)
                        return ret;
                if (ret == 0)