#include "builtin.h" #include "cache.h" #include "color.h" #include "parse-options.h" #include "urlmatch.h" #include "quote.h" static const char *const builtin_config_usage[] = { N_("git config [<options>]"), NULL }; static char *key; static regex_t *key_regexp; static regex_t *regexp; static int show_keys; static int omit_values; static int use_key_regexp; static int do_all; static int do_not_match; static char delim = '='; static char key_delim = ' '; static char term = '\n'; static int use_global_config, use_system_config, use_local_config; static struct git_config_source given_config_source; static int actions, types; static const char *get_color_slot, *get_colorbool_slot; static int end_null; static int respect_includes = -1; static int show_origin; #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 ACTION_GET_URLMATCH (1<<15) #define TYPE_BOOL (1<<0) #define TYPE_INT (1<<1) #define TYPE_BOOL_OR_INT (1<<2) #define TYPE_PATH (1<<3) static struct option builtin_config_options[] = { OPT_GROUP(N_("Config file location")), OPT_BOOL(0, "global", &use_global_config, N_("use global config file")), OPT_BOOL(0, "system", &use_system_config, N_("use system config file")), OPT_BOOL(0, "local", &use_local_config, N_("use repository config file")), OPT_STRING('f', "file", &given_config_source.file, N_("file"), N_("use given config file")), OPT_STRING(0, "blob", &given_config_source.blob, N_("blob-id"), N_("read config from given blob object")), 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, "get-urlmatch", &actions, N_("get value specific for the URL: section[.var] URL"), ACTION_GET_URLMATCH), 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_BIT(0, "get-color", &actions, N_("find the color configured: slot [default]"), ACTION_GET_COLOR), OPT_BIT(0, "get-colorbool", &actions, N_("find the color setting: slot [stdout-is-tty]"), ACTION_GET_COLORBOOL), 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_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")), OPT_BOOL(0, "name-only", &omit_values, N_("show variable names only")), OPT_BOOL(0, "includes", &respect_includes, N_("respect include directives on lookup")), OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")), 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 void show_config_origin(struct strbuf *buf) { const char term = end_null ? '\0' : '\t'; strbuf_addstr(buf, current_config_origin_type()); strbuf_addch(buf, ':'); if (end_null) strbuf_addstr(buf, current_config_name()); else quote_c_style(current_config_name(), buf, NULL, 0); strbuf_addch(buf, term); } static int show_all_config(const char *key_, const char *value_, void *cb) { if (show_origin) { struct strbuf buf = STRBUF_INIT; show_config_origin(&buf); /* Use fwrite as "buf" can contain \0's if "end_null" is set. */ fwrite(buf.buf, 1, buf.len, stdout); strbuf_release(&buf); } if (!omit_values && value_) printf("%s%c%s%c", key_, delim, value_, term); else printf("%s%c", key_, term); return 0; } struct strbuf_list { struct strbuf *items; int nr; int alloc; }; static int format_config(struct strbuf *buf, const char *key_, const char *value_) { if (show_origin) show_config_origin(buf); if (show_keys) strbuf_addstr(buf, key_); if (!omit_values) { if (show_keys) strbuf_addch(buf, key_delim); if (types == TYPE_INT) strbuf_addf(buf, "%"PRId64, git_config_int64(key_, value_ ? value_ : "")); else if (types == TYPE_BOOL) strbuf_addstr(buf, git_config_bool(key_, value_) ? "true" : "false"); else if (types == TYPE_BOOL_OR_INT) { int is_bool, v; v = git_config_bool_or_int(key_, value_, &is_bool); if (is_bool) strbuf_addstr(buf, v ? "true" : "false"); else strbuf_addf(buf, "%d", v); } else if (types == TYPE_PATH) { const char *v; if (git_config_pathname(&v, key_, value_) < 0) return -1; strbuf_addstr(buf, v); free((char *)v); } else if (value_) { strbuf_addstr(buf, value_); } else { /* Just show the key name; back out delimiter */ if (show_keys) strbuf_setlen(buf, buf->len - 1); } } strbuf_addch(buf, term); return 0; } static int collect_config(const char *key_, const char *value_, void *cb) { struct strbuf_list *values = cb; if (!use_key_regexp && strcmp(key_, key)) return 0; if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0)) return 0; if (regexp != NULL && (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0))) return 0; ALLOC_GROW(values->items, values->nr + 1, values->alloc); strbuf_init(&values->items[values->nr], 0); return format_config(&values->items[values->nr++], key_, value_); } static int get_value(const char *key_, const char *regex_) { int ret = CONFIG_GENERIC_ERROR; struct strbuf_list values = {NULL}; int i; if (use_key_regexp) { char *tl; /* * NEEDSWORK: this naive pattern lowercasing obviously does not * work for more complex patterns like "^[^.]*Foo.*bar". * Perhaps we should deprecate this altogether someday. */ key = xstrdup(key_); for (tl = key + strlen(key) - 1; tl >= key && *tl != '.'; tl--) *tl = tolower(*tl); for (tl = key; *tl && *tl != '.'; tl++) *tl = tolower(*tl); key_regexp = (regex_t*)xmalloc(sizeof(regex_t)); if (regcomp(key_regexp, key, REG_EXTENDED)) { error("invalid key pattern: %s", key_); free(key_regexp); key_regexp = NULL; ret = CONFIG_INVALID_PATTERN; goto free_strings; } } else { if (git_config_parse_key(key_, &key, NULL)) { ret = CONFIG_INVALID_KEY; goto free_strings; } } if (regex_) { if (regex_[0] == '!') { do_not_match = 1; regex_++; } regexp = (regex_t*)xmalloc(sizeof(regex_t)); if (regcomp(regexp, regex_, REG_EXTENDED)) { error("invalid pattern: %s", regex_); free(regexp); regexp = NULL; ret = CONFIG_INVALID_PATTERN; goto free_strings; } } git_config_with_options(collect_config, &values, &given_config_source, respect_includes); ret = !values.nr; for (i = 0; i < values.nr; i++) { struct strbuf *buf = values.items + i; if (do_all || i == values.nr - 1) fwrite(buf->buf, 1, buf->len, stdout); strbuf_release(buf); } free(values.items); free_strings: free(key); if (key_regexp) { regfree(key_regexp); free(key_regexp); } if (regexp) { regfree(regexp); free(regexp); } return ret; } static char *normalize_value(const char *key, const char *value) { if (!value) return NULL; if (types == 0 || types == TYPE_PATH) /* * We don't do normalization for TYPE_PATH here: If * the path is like ~/foobar/, we prefer to store * "~/foobar/" in the config file, and to expand the ~ * when retrieving the value. */ return xstrdup(value); if (types == TYPE_INT) return xstrfmt("%"PRId64, git_config_int64(key, value)); if (types == TYPE_BOOL) return xstrdup(git_config_bool(key, value) ? "true" : "false"); if (types == TYPE_BOOL_OR_INT) { int is_bool, v; v = git_config_bool_or_int(key, value, &is_bool); if (!is_bool) return xstrfmt("%d", v); else return xstrdup(v ? "true" : "false"); } die("BUG: cannot normalize type %d", types); } 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) { if (!strcmp(var, get_color_slot)) { if (!value) config_error_nonbool(var); if (color_parse(value, parsed_color) < 0) return -1; get_color_found = 1; } return 0; } static void get_color(const char *var, const char *def_color) { get_color_slot = var; get_color_found = 0; parsed_color[0] = '\0'; git_config_with_options(git_get_color_config, NULL, &given_config_source, respect_includes); if (!get_color_found && def_color) { if (color_parse(def_color, parsed_color) < 0) die(_("unable to parse default color value")); } fputs(parsed_color, stdout); } static int get_colorbool_found; static int get_diff_color_found; static int get_color_ui_found; static int git_get_colorbool_config(const char *var, const char *value, void *cb) { if (!strcmp(var, get_colorbool_slot)) get_colorbool_found = git_config_colorbool(var, value); else if (!strcmp(var, "diff.color")) get_diff_color_found = git_config_colorbool(var, value); else if (!strcmp(var, "color.ui")) get_color_ui_found = git_config_colorbool(var, value); return 0; } static int get_colorbool(const char *var, int print) { get_colorbool_slot = var; get_colorbool_found = -1; get_diff_color_found = -1; get_color_ui_found = -1; git_config_with_options(git_get_colorbool_config, NULL, &given_config_source, respect_includes); if (get_colorbool_found < 0) { if (!strcmp(get_colorbool_slot, "color.diff")) get_colorbool_found = get_diff_color_found; if (get_colorbool_found < 0) get_colorbool_found = get_color_ui_found; } if (get_colorbool_found < 0) /* default value if none found in config */ get_colorbool_found = GIT_COLOR_AUTO; get_colorbool_found = want_color(get_colorbool_found); if (print) { printf("%s\n", get_colorbool_found ? "true" : "false"); return 0; } else return get_colorbool_found ? 0 : 1; } static void check_write(void) { if (!given_config_source.file && !startup_info->have_repository) die("not in a git directory"); if (given_config_source.use_stdin) die("writing to stdin is not supported"); if (given_config_source.blob) die("writing config blobs is not supported"); } struct urlmatch_current_candidate_value { char value_is_null; struct strbuf value; }; static int urlmatch_collect_fn(const char *var, const char *value, void *cb) { struct string_list *values = cb; struct string_list_item *item = string_list_insert(values, var); struct urlmatch_current_candidate_value *matched = item->util; if (!matched) { matched = xmalloc(sizeof(*matched)); strbuf_init(&matched->value, 0); item->util = matched; } else { strbuf_reset(&matched->value); } if (value) { strbuf_addstr(&matched->value, value); matched->value_is_null = 0; } else { matched->value_is_null = 1; } return 0; } static int get_urlmatch(const char *var, const char *url) { int ret; char *section_tail; struct string_list_item *item; struct urlmatch_config config = { STRING_LIST_INIT_DUP }; struct string_list values = STRING_LIST_INIT_DUP; config.collect_fn = urlmatch_collect_fn; config.cascade_fn = NULL; config.cb = &values; if (!url_normalize(url, &config.url)) die("%s", config.url.err); config.section = xstrdup_tolower(var); section_tail = strchr(config.section, '.'); if (section_tail) { *section_tail = '\0'; config.key = section_tail + 1; show_keys = 0; } else { config.key = NULL; show_keys = 1; } git_config_with_options(urlmatch_config_entry, &config, &given_config_source, respect_includes); ret = !values.nr; for_each_string_list_item(item, &values) { struct urlmatch_current_candidate_value *matched = item->util; struct strbuf buf = STRBUF_INIT; format_config(&buf, item->string, matched->value_is_null ? NULL : matched->value.buf); fwrite(buf.buf, 1, buf.len, stdout); strbuf_release(&buf); strbuf_release(&matched->value); } string_list_clear(&config.vars, 1); string_list_clear(&values, 1); free(config.url.url); free((void *)config.section); return ret; } static char *default_user_config(void) { struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, _("# This is Git's per-user configuration file.\n" "[user]\n" "# Please adapt and uncomment the following lines:\n" "# name = %s\n" "# email = %s\n"), ident_default_name(), ident_default_email()); return strbuf_detach(&buf, NULL); } int cmd_config(int argc, const char **argv, const char *prefix) { int nongit = !startup_info->have_repository; char *value; given_config_source.file = getenv(CONFIG_ENVIRONMENT); 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 + use_local_config + !!given_config_source.file + !!given_config_source.blob > 1) { error("only one config file at a time."); usage_with_options(builtin_config_usage, builtin_config_options); } if (given_config_source.file && !strcmp(given_config_source.file, "-")) { given_config_source.file = NULL; given_config_source.use_stdin = 1; } if (use_global_config) { char *user_config = expand_user_path("~/.gitconfig"); char *xdg_config = xdg_config_home("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, 0) && xdg_config && !access_or_warn(xdg_config, R_OK, 0)) given_config_source.file = xdg_config; else given_config_source.file = user_config; } else if (use_system_config) given_config_source.file = git_etc_gitconfig(); else if (use_local_config) given_config_source.file = git_pathdup("config"); else if (given_config_source.file) { if (!is_absolute_path(given_config_source.file) && prefix) given_config_source.file = xstrdup(prefix_filename(prefix, strlen(prefix), given_config_source.file)); } if (respect_includes == -1) respect_includes = !given_config_source.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 ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && 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); } if (omit_values && !(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) { error("--name-only is only applicable to --list or --get-regexp"); usage_with_options(builtin_config_usage, builtin_config_options); } if (show_origin && !(actions & (ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) { error("--show-origin is only applicable to --get, --get-all, " "--get-regexp, and --list."); usage_with_options(builtin_config_usage, builtin_config_options); } if (actions == ACTION_LIST) { check_argc(argc, 0, 0); if (git_config_with_options(show_all_config, NULL, &given_config_source, respect_includes) < 0) { if (given_config_source.file) die_errno("unable to read config file '%s'", given_config_source.file); else die("error processing config file(s)"); } } else if (actions == ACTION_EDIT) { char *config_file; check_argc(argc, 0, 0); if (!given_config_source.file && nongit) die("not in a git directory"); if (given_config_source.use_stdin) die("editing stdin is not supported"); if (given_config_source.blob) die("editing blobs is not supported"); git_config(git_default_config, NULL); config_file = xstrdup(given_config_source.file ? given_config_source.file : git_path("config")); if (use_global_config) { int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666); if (fd) { char *content = default_user_config(); write_str_in_full(fd, content); free(content); close(fd); } else if (errno != EEXIST) die_errno(_("cannot create configuration file %s"), config_file); } launch_editor(config_file, NULL, NULL); free(config_file); } else if (actions == ACTION_SET) { int ret; check_write(); check_argc(argc, 2, 2); value = normalize_value(argv[0], argv[1]); ret = git_config_set_in_file_gently(given_config_source.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]); return ret; } else if (actions == ACTION_SET_ALL) { check_write(); check_argc(argc, 2, 3); value = normalize_value(argv[0], argv[1]); return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], value, argv[2], 0); } else if (actions == ACTION_ADD) { check_write(); check_argc(argc, 2, 2); value = normalize_value(argv[0], argv[1]); return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], value, CONFIG_REGEX_NONE, 0); } else if (actions == ACTION_REPLACE_ALL) { check_write(); check_argc(argc, 2, 3); value = normalize_value(argv[0], argv[1]); return git_config_set_multivar_in_file_gently(given_config_source.file, 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_GET_URLMATCH) { check_argc(argc, 2, 2); return get_urlmatch(argv[0], argv[1]); } else if (actions == ACTION_UNSET) { check_write(); check_argc(argc, 1, 2); if (argc == 2) return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], NULL, argv[1], 0); else return git_config_set_in_file_gently(given_config_source.file, argv[0], NULL); } else if (actions == ACTION_UNSET_ALL) { check_write(); check_argc(argc, 1, 2); return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], NULL, argv[1], 1); } else if (actions == ACTION_RENAME_SECTION) { int ret; check_write(); check_argc(argc, 2, 2); ret = git_config_rename_section_in_file(given_config_source.file, 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_write(); check_argc(argc, 1, 1); ret = git_config_rename_section_in_file(given_config_source.file, argv[0], NULL); if (ret < 0) return ret; if (ret == 0) die("No such section!"); } else if (actions == ACTION_GET_COLOR) { check_argc(argc, 1, 2); get_color(argv[0], argv[1]); } else if (actions == ACTION_GET_COLORBOOL) { check_argc(argc, 1, 2); if (argc == 2) color_stdout_is_tty = git_config_bool("command line", argv[1]); return get_colorbool(argv[0], argc == 2); } return 0; }