diff options
Diffstat (limited to 'builtin/config.c')
| -rw-r--r-- | builtin/config.c | 496 |
1 files changed, 496 insertions, 0 deletions
diff --git a/builtin/config.c b/builtin/config.c new file mode 100644 index 000000000..4bc46b15f --- /dev/null +++ b/builtin/config.c @@ -0,0 +1,496 @@ +#include "builtin.h" +#include "cache.h" +#include "color.h" +#include "parse-options.h" + +static const char *const builtin_config_usage[] = { + "git config [options]", + NULL +}; + +static char *key; +static regex_t *key_regexp; +static regex_t *regexp; +static int show_keys; +static int use_key_regexp; +static int do_all; +static int do_not_match; +static int seen; +static char delim = '='; +static char key_delim = ' '; +static char term = '\n'; + +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) +#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_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_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) +{ + if (value_) + printf("%s%c%s%c", key_, delim, value_, term); + else + printf("%s%c", key_, term); + return 0; +} + +static int show_config(const char *key_, const char *value_, void *cb) +{ + char value[256]; + const char *vptr = value; + int must_free_vptr = 0; + int dup_error = 0; + + 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; + + if (show_keys) { + if (value_) + printf("%s%c", key_, key_delim); + else + printf("%s", key_); + } + if (seen && !do_all) + dup_error = 1; + if (types == TYPE_INT) + sprintf(value, "%d", git_config_int(key_, value_?value_:"")); + else if (types == TYPE_BOOL) + vptr = 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) + vptr = v ? "true" : "false"; + else + sprintf(value, "%d", v); + } else if (types == TYPE_PATH) { + git_config_pathname(&vptr, key_, value_); + must_free_vptr = 1; + } + else + vptr = value_?value_:""; + seen++; + if (dup_error) { + error("More than one value for the key %s: %s", + key_, vptr); + } + else + printf("%s%c", vptr, term); + if (must_free_vptr) + /* If vptr must be freed, it's a pointer to a + * dynamically allocated buffer, it's safe to cast to + * const. + */ + free((char *)vptr); + + return 0; +} + +static int get_value(const char *key_, const char *regex_) +{ + int ret = -1; + char *tl; + char *global = NULL, *repo_config = NULL; + const char *system_wide = NULL, *local; + + local = config_exclusive_filename; + if (!local) { + const char *home = getenv("HOME"); + local = repo_config = git_pathdup("config"); + if (git_config_global() && home) + global = xstrdup(mkpath("%s/.gitconfig", home)); + if (git_config_system()) + system_wide = git_etc_gitconfig(); + } + + 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); + + if (use_key_regexp) { + key_regexp = (regex_t*)xmalloc(sizeof(regex_t)); + if (regcomp(key_regexp, key, REG_EXTENDED)) { + fprintf(stderr, "Invalid key pattern: %s\n", 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)) { + fprintf(stderr, "Invalid pattern: %s\n", regex_); + goto free_strings; + } + } + + if (do_all && system_wide) + git_config_from_file(show_config, system_wide, NULL); + if (do_all && global) + git_config_from_file(show_config, global, NULL); + git_config_from_file(show_config, local, NULL); + if (!do_all && !seen && global) + git_config_from_file(show_config, global, NULL); + if (!do_all && !seen && system_wide) + git_config_from_file(show_config, system_wide, NULL); + + free(key); + if (regexp) { + regfree(regexp); + free(regexp); + } + + if (do_all) + ret = !seen; + else + ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1; + +free_strings: + free(repo_config); + free(global); + return ret; +} + +static char *normalize_value(const char *key, const char *value) +{ + char *normalized; + + 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. + */ + normalized = xstrdup(value); + else { + normalized = xmalloc(64); + if (types == TYPE_INT) { + int v = git_config_int(key, value); + sprintf(normalized, "%d", v); + } + else if (types == TYPE_BOOL) + sprintf(normalized, "%s", + 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) + sprintf(normalized, "%d", v); + else + sprintf(normalized, "%s", v ? "true" : "false"); + } + } + + return normalized; +} + +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); + color_parse(value, var, parsed_color); + get_color_found = 1; + } + return 0; +} + +static void get_color(const char *def_color) +{ + get_color_found = 0; + parsed_color[0] = '\0'; + git_config(git_get_color_config, NULL); + + if (!get_color_found && def_color) + color_parse(def_color, "command line", parsed_color); + + fputs(parsed_color, stdout); +} + +static int stdout_is_tty; +static int get_colorbool_found; +static int get_diff_color_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, stdout_is_tty); + } + if (!strcmp(var, "diff.color")) { + get_diff_color_found = + git_config_colorbool(var, value, stdout_is_tty); + } + if (!strcmp(var, "color.ui")) { + git_use_color_default = git_config_colorbool(var, value, stdout_is_tty); + return 0; + } + return 0; +} + +static int get_colorbool(int print) +{ + get_colorbool_found = -1; + get_diff_color_found = -1; + git_config(git_get_colorbool_config, NULL); + + 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 = git_use_color_default; + } + + 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 *unused_prefix) +{ + int nongit; + char *value; + const char *prefix = setup_git_directory_gently(&nongit); + + config_exclusive_filename = 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 + !!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 { + die("$HOME not set"); + } + } + 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), + given_config_file); + 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); + } + + 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)"); + } + } + 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; +} |