[PATCH 3/8] config: Use parseopt.
- From
Felipe Contreras <felipe.contreras@gmail.com>
- Date
- Feb 15, 2009, 09:00 UTC
- Message-ID
- <1234688460-9248-3-git-send-email-felipe.contreras@gmail.com>
- In-Reply-To
- <1234688460-9248-2-git-send-email-felipe.contreras@gmail.com>
Reorganizing the code to use parseopt as suggested by Johannes Schindelin.
This patch has benefited from comments by Johannes Schindelin and Junio C Hamano.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> --- builtin-config.c | 362 ++++++++++++++++++++++++++--------------------------- 1 files changed, 178 insertions(+), 184 deletions(-)
diff --git a/builtin-config.c b/builtin-config.c index da754e0..084222a 100644 --- a/builtin-config.c +++ b/builtin-config.c @@ -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] | --edit | -e ]"; +static const char *const builtin_config_usage[] = { + "git config [options]", + NULL +}; static char *key; static regex_t *key_regexp; @@ -18,6 +21,59 @@ 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; +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) + +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), + 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_GROUP("Type"), + OPT_SET_INT(0, "bool", &type, "value is \"true\" or \"false\"", T_BOOL), + OPT_SET_INT(0, "int", &type, "value is decimal number", T_INT), + OPT_SET_INT(0, "bool-or-int", &type, NULL, T_BOOL_OR_INT), + 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("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_) @@ -180,7 +236,6 @@ 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)) { @@ -192,29 +247,8 @@ 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); @@ -223,7 +257,6 @@ 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; @@ -247,24 +280,10 @@ 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_colorbool_slot = argv[0]; git_config(git_get_colorbool_config, NULL); if (get_colorbool_found < 0) { @@ -274,12 +293,11 @@ static int get_colorbool(int argc, const char **argv) 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 *unused_prefix) @@ -290,149 +308,125 @@ int cmd_config(int argc, const char **argv, const char *unused_prefix) 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) - die("error processing config file(s)"); - 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]) && prefix) - config_exclusive_filename = prefix_filename(prefix, - strlen(prefix), - argv[2]); - else - config_exclusive_filename = argv[2]; - 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 if (!strcmp(argv[1], "--edit") || !strcmp(argv[1], "-e")) { - const char *config_filename; - if (argc != 2) - usage(git_config_set_usage); - if (config_exclusive_filename) - config_filename = config_exclusive_filename; - else - config_filename = git_path("config"); - git_config(git_default_config, NULL); - launch_editor(config_filename, NULL, NULL); - return 0; - } else - break; - argc--; - argv++; - } + argc = parse_options(argc, argv, builtin_config_options, builtin_config_usage, 0); - 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); + 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_multivar(argv[1], value, argv[3], 0); + die("$HOME not set"); } - case 5: - if (!strcmp(argv[1], "--replace-all")) { - value = normalize_value(argv[2], argv[3]); - return git_config_set_multivar(argv[2], value, argv[4], 1); + } + else if (use_system_config) + config_exclusive_filename = git_etc_gitconfig(); + else if (given_config_file) { + if (!is_absolute_path(given_config_file) && prefix) + config_exclusive_filename = prefix_filename(prefix, + strlen(prefix), + argv[2]); + else + config_exclusive_filename = given_config_file; + } + + if (end_null) { + term = '\0'; + delim = '\n'; + key_delim = '\n'; + } + + if (HAS_MULTI_BITS(actions)) { + error("only one action at a time."); + usage_with_options(builtin_config_usage, builtin_config_options); + } + if (actions == 0) + switch (argc) { + case 1: actions |= ACTION_GET; break; + case 2: actions |= ACTION_ADD; break; + case 3: actions |= ACTION_REPLACE_ALL; break; + default: + usage_with_options(builtin_config_usage, builtin_config_options); } - case 1: - default: - usage(git_config_set_usage); + + if (actions & ACTION_LIST) { + if (git_config(show_all_config, NULL) < 0) + die("error processing config file(s)"); + } + else if (actions & ACTION_EDIT) { + const char *config_filename; + if (config_exclusive_filename) + config_filename = config_exclusive_filename; + else + config_filename = git_path("config"); + git_config(git_default_config, NULL); + launch_editor(config_filename, NULL, NULL); + } + else if (actions & ACTION_ADD) { + check_argc(argc, 2, 2); + value = normalize_value(argv[0], argv[1]); + return git_config_set_multivar(argv[0], value, "^$", 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 (get_color_slot) { + get_color(argv[0]); + } + else if (get_colorbool_slot) { + 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 != 1); + } + return 0; }
-- 1.6.1.3