diff options
Diffstat (limited to 'builtin-config.c')
-rw-r--r-- | builtin-config.c | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/builtin-config.c b/builtin-config.c new file mode 100644 index 000000000..f71016204 --- /dev/null +++ b/builtin-config.c @@ -0,0 +1,428 @@ +#include "builtin.h" +#include "cache.h" +#include "color.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 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 enum { T_RAW, T_INT, T_BOOL, T_BOOL_OR_INT } type = T_RAW; + +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 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 (type == T_INT) + sprintf(value, "%d", git_config_int(key_, value_?value_:"")); + else if (type == T_BOOL) + vptr = git_config_bool(key_, value_) ? "true" : "false"; + else if (type == T_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 + 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); + + 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 (type == T_RAW) + normalized = xstrdup(value); + else { + normalized = xmalloc(64); + if (type == T_INT) { + int v = git_config_int(key, value); + sprintf(normalized, "%d", v); + } + else if (type == T_BOOL) + sprintf(normalized, "%s", + git_config_bool(key, value) ? "true" : "false"); + else if (type == T_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 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 int get_color(int argc, const char **argv) +{ + /* + * 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); + + if (!get_color_found && def_color) + color_parse(def_color, "command line", parsed_color); + + fputs(parsed_color, stdout); + return 0; +} + +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_color_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 argc, const char **argv) +{ + /* + * 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")) + 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 { + printf("%s\n", get_colorbool_found ? "true" : "false"); + return 0; + } +} + +int cmd_config(int argc, const char **argv, const char *prefix) +{ + int nongit; + char* value; + const char *file = 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); + } else { + value = normalize_value(argv[1], argv[2]); + return git_config_set(argv[1], value); + } + 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); + } + 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); + } + case 1: + default: + usage(git_config_set_usage); + } + return 0; +} |