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![Felipe Contreras](/assets/img/avatar_default.png)
Let's throw an error on this specific case. If the user specifies the config file, he must know what he is doing. Teemu Likonen pointed this out. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
478 lines
13 KiB
C
478 lines
13 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "color.h"
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#include "parse-options.h"
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static const char *const builtin_config_usage[] = {
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"git config [options]",
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NULL
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};
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static char *key;
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static regex_t *key_regexp;
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static regex_t *regexp;
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static int show_keys;
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static int use_key_regexp;
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static int do_all;
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static int do_not_match;
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static int seen;
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static char delim = '=';
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static char key_delim = ' ';
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static char term = '\n';
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static int use_global_config, use_system_config;
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static const char *given_config_file;
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static int actions, types;
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static const char *get_color_slot, *get_colorbool_slot;
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static int end_null;
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#define ACTION_GET (1<<0)
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#define ACTION_GET_ALL (1<<1)
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#define ACTION_GET_REGEXP (1<<2)
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#define ACTION_REPLACE_ALL (1<<3)
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#define ACTION_ADD (1<<4)
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#define ACTION_UNSET (1<<5)
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#define ACTION_UNSET_ALL (1<<6)
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#define ACTION_RENAME_SECTION (1<<7)
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#define ACTION_REMOVE_SECTION (1<<8)
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#define ACTION_LIST (1<<9)
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#define ACTION_EDIT (1<<10)
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#define ACTION_SET (1<<11)
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#define ACTION_SET_ALL (1<<12)
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#define ACTION_GET_COLOR (1<<13)
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#define ACTION_GET_COLORBOOL (1<<14)
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#define TYPE_BOOL (1<<0)
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#define TYPE_INT (1<<1)
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#define TYPE_BOOL_OR_INT (1<<2)
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static struct option builtin_config_options[] = {
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OPT_GROUP("Config file location"),
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OPT_BOOLEAN(0, "global", &use_global_config, "use global config file"),
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OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
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OPT_STRING('f', "file", &given_config_file, "FILE", "use given config file"),
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OPT_GROUP("Action"),
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OPT_BIT(0, "get", &actions, "get value: name [value-regex]", ACTION_GET),
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OPT_BIT(0, "get-all", &actions, "get all values: key [value-regex]", ACTION_GET_ALL),
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OPT_BIT(0, "get-regexp", &actions, "get values for regexp: name-regex [value-regex]", ACTION_GET_REGEXP),
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OPT_BIT(0, "replace-all", &actions, "replace all matching variables: name value [value_regex]", ACTION_REPLACE_ALL),
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OPT_BIT(0, "add", &actions, "adds a new variable: name value", ACTION_ADD),
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OPT_BIT(0, "unset", &actions, "removes a variable: name [value-regex]", ACTION_UNSET),
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OPT_BIT(0, "unset-all", &actions, "removes all matches: name [value-regex]", ACTION_UNSET_ALL),
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OPT_BIT(0, "rename-section", &actions, "rename section: old-name new-name", ACTION_RENAME_SECTION),
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OPT_BIT(0, "remove-section", &actions, "remove a section: name", ACTION_REMOVE_SECTION),
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OPT_BIT('l', "list", &actions, "list all", ACTION_LIST),
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OPT_BIT('e', "edit", &actions, "opens an editor", ACTION_EDIT),
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OPT_STRING(0, "get-color", &get_color_slot, "slot", "find the color configured: [default]"),
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OPT_STRING(0, "get-colorbool", &get_colorbool_slot, "slot", "find the color setting: [stdout-is-tty]"),
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OPT_GROUP("Type"),
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OPT_BIT(0, "bool", &types, "value is \"true\" or \"false\"", TYPE_BOOL),
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OPT_BIT(0, "int", &types, "value is decimal number", TYPE_INT),
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OPT_BIT(0, "bool-or-int", &types, "value is --bool or --int", TYPE_BOOL_OR_INT),
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OPT_GROUP("Other"),
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OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"),
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OPT_END(),
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};
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static void check_argc(int argc, int min, int max) {
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if (argc >= min && argc <= max)
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return;
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error("wrong number of arguments");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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static int show_all_config(const char *key_, const char *value_, void *cb)
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{
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if (value_)
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printf("%s%c%s%c", key_, delim, value_, term);
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else
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printf("%s%c", key_, term);
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return 0;
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}
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static int show_config(const char *key_, const char *value_, void *cb)
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{
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char value[256];
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const char *vptr = value;
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int dup_error = 0;
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if (!use_key_regexp && strcmp(key_, key))
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return 0;
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if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
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return 0;
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if (regexp != NULL &&
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(do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
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return 0;
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if (show_keys) {
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if (value_)
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printf("%s%c", key_, key_delim);
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else
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printf("%s", key_);
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}
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if (seen && !do_all)
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dup_error = 1;
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if (types == TYPE_INT)
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sprintf(value, "%d", git_config_int(key_, value_?value_:""));
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else if (types == TYPE_BOOL)
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vptr = git_config_bool(key_, value_) ? "true" : "false";
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else if (types == TYPE_BOOL_OR_INT) {
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int is_bool, v;
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v = git_config_bool_or_int(key_, value_, &is_bool);
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if (is_bool)
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vptr = v ? "true" : "false";
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else
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sprintf(value, "%d", v);
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}
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else
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vptr = value_?value_:"";
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seen++;
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if (dup_error) {
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error("More than one value for the key %s: %s",
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key_, vptr);
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}
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else
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printf("%s%c", vptr, term);
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return 0;
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}
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static int get_value(const char *key_, const char *regex_)
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{
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int ret = -1;
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char *tl;
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char *global = NULL, *repo_config = NULL;
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const char *system_wide = NULL, *local;
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local = config_exclusive_filename;
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if (!local) {
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const char *home = getenv("HOME");
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local = repo_config = git_pathdup("config");
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if (git_config_global() && home)
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global = xstrdup(mkpath("%s/.gitconfig", home));
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if (git_config_system())
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system_wide = git_etc_gitconfig();
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}
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key = xstrdup(key_);
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for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
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*tl = tolower(*tl);
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for (tl=key; *tl && *tl != '.'; ++tl)
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*tl = tolower(*tl);
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if (use_key_regexp) {
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key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
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if (regcomp(key_regexp, key, REG_EXTENDED)) {
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fprintf(stderr, "Invalid key pattern: %s\n", key_);
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goto free_strings;
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}
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}
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if (regex_) {
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if (regex_[0] == '!') {
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do_not_match = 1;
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regex_++;
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}
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regexp = (regex_t*)xmalloc(sizeof(regex_t));
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if (regcomp(regexp, regex_, REG_EXTENDED)) {
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fprintf(stderr, "Invalid pattern: %s\n", regex_);
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goto free_strings;
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}
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}
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if (do_all && system_wide)
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git_config_from_file(show_config, system_wide, NULL);
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if (do_all && global)
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git_config_from_file(show_config, global, NULL);
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git_config_from_file(show_config, local, NULL);
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if (!do_all && !seen && global)
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git_config_from_file(show_config, global, NULL);
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if (!do_all && !seen && system_wide)
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git_config_from_file(show_config, system_wide, NULL);
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free(key);
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if (regexp) {
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regfree(regexp);
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free(regexp);
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}
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if (do_all)
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ret = !seen;
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else
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ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
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free_strings:
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free(repo_config);
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free(global);
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return ret;
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}
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static char *normalize_value(const char *key, const char *value)
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{
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char *normalized;
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if (!value)
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return NULL;
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if (types == 0)
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normalized = xstrdup(value);
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else {
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normalized = xmalloc(64);
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if (types == TYPE_INT) {
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int v = git_config_int(key, value);
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sprintf(normalized, "%d", v);
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}
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else if (types == TYPE_BOOL)
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sprintf(normalized, "%s",
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git_config_bool(key, value) ? "true" : "false");
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else if (types == TYPE_BOOL_OR_INT) {
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int is_bool, v;
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v = git_config_bool_or_int(key, value, &is_bool);
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if (!is_bool)
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sprintf(normalized, "%d", v);
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else
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sprintf(normalized, "%s", v ? "true" : "false");
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}
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}
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return normalized;
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}
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static int get_color_found;
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static const char *get_color_slot;
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static const char *get_colorbool_slot;
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static char parsed_color[COLOR_MAXLEN];
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static int git_get_color_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, get_color_slot)) {
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if (!value)
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config_error_nonbool(var);
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color_parse(value, var, parsed_color);
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get_color_found = 1;
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}
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return 0;
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}
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static void get_color(const char *def_color)
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{
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get_color_found = 0;
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parsed_color[0] = '\0';
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git_config(git_get_color_config, NULL);
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if (!get_color_found && def_color)
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color_parse(def_color, "command line", parsed_color);
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fputs(parsed_color, stdout);
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}
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static int stdout_is_tty;
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static int get_colorbool_found;
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static int get_diff_color_found;
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static int git_get_colorbool_config(const char *var, const char *value,
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void *cb)
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{
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if (!strcmp(var, get_colorbool_slot)) {
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get_colorbool_found =
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git_config_colorbool(var, value, stdout_is_tty);
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}
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if (!strcmp(var, "diff.color")) {
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get_diff_color_found =
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git_config_colorbool(var, value, stdout_is_tty);
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}
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if (!strcmp(var, "color.ui")) {
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git_use_color_default = git_config_colorbool(var, value, stdout_is_tty);
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return 0;
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}
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return 0;
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}
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static int get_colorbool(int print)
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{
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get_colorbool_found = -1;
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get_diff_color_found = -1;
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git_config(git_get_colorbool_config, NULL);
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if (get_colorbool_found < 0) {
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if (!strcmp(get_colorbool_slot, "color.diff"))
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get_colorbool_found = get_diff_color_found;
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if (get_colorbool_found < 0)
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get_colorbool_found = git_use_color_default;
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}
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if (print) {
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printf("%s\n", get_colorbool_found ? "true" : "false");
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return 0;
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} else
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return get_colorbool_found ? 0 : 1;
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}
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int cmd_config(int argc, const char **argv, const char *unused_prefix)
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{
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int nongit;
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char *value;
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const char *prefix = setup_git_directory_gently(&nongit);
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config_exclusive_filename = getenv(CONFIG_ENVIRONMENT);
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argc = parse_options(argc, argv, builtin_config_options, builtin_config_usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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if (use_global_config + use_system_config + !!given_config_file > 1) {
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error("only one config file at a time.");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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if (use_global_config) {
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char *home = getenv("HOME");
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if (home) {
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char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
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config_exclusive_filename = user_config;
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} else {
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die("$HOME not set");
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}
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}
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else if (use_system_config)
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config_exclusive_filename = git_etc_gitconfig();
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else if (given_config_file) {
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if (!is_absolute_path(given_config_file) && prefix)
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config_exclusive_filename = prefix_filename(prefix,
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strlen(prefix),
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argv[2]);
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else
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config_exclusive_filename = given_config_file;
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}
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if (end_null) {
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term = '\0';
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delim = '\n';
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key_delim = '\n';
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}
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if (HAS_MULTI_BITS(types)) {
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error("only one type at a time.");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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if (get_color_slot)
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actions |= ACTION_GET_COLOR;
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if (get_colorbool_slot)
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actions |= ACTION_GET_COLORBOOL;
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if ((get_color_slot || get_colorbool_slot) && types) {
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error("--get-color and variable type are incoherent");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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if (HAS_MULTI_BITS(actions)) {
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error("only one action at a time.");
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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if (actions == 0)
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switch (argc) {
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case 1: actions = ACTION_GET; break;
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case 2: actions = ACTION_SET; break;
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case 3: actions = ACTION_SET_ALL; break;
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default:
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usage_with_options(builtin_config_usage, builtin_config_options);
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}
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if (actions == ACTION_LIST) {
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check_argc(argc, 0, 0);
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if (git_config(show_all_config, NULL) < 0) {
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if (config_exclusive_filename)
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die("unable to read config file %s: %s",
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config_exclusive_filename, strerror(errno));
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else
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die("error processing config file(s)");
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}
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}
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else if (actions == ACTION_EDIT) {
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check_argc(argc, 0, 0);
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if (!config_exclusive_filename && nongit)
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die("not in a git directory");
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git_config(git_default_config, NULL);
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launch_editor(config_exclusive_filename ?
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config_exclusive_filename : git_path("config"),
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NULL, NULL);
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}
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else if (actions == ACTION_SET) {
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check_argc(argc, 2, 2);
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value = normalize_value(argv[0], argv[1]);
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return git_config_set(argv[0], value);
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}
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else if (actions == ACTION_SET_ALL) {
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check_argc(argc, 2, 3);
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value = normalize_value(argv[0], argv[1]);
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return git_config_set_multivar(argv[0], value, argv[2], 0);
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}
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else if (actions == ACTION_ADD) {
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check_argc(argc, 2, 2);
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value = normalize_value(argv[0], argv[1]);
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return git_config_set_multivar(argv[0], value, "^$", 0);
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}
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else if (actions == ACTION_REPLACE_ALL) {
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check_argc(argc, 2, 3);
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value = normalize_value(argv[0], argv[1]);
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return git_config_set_multivar(argv[0], value, argv[2], 1);
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}
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else if (actions == ACTION_GET) {
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check_argc(argc, 1, 2);
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return get_value(argv[0], argv[1]);
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}
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else if (actions == ACTION_GET_ALL) {
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do_all = 1;
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check_argc(argc, 1, 2);
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return get_value(argv[0], argv[1]);
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}
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else if (actions == ACTION_GET_REGEXP) {
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show_keys = 1;
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use_key_regexp = 1;
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do_all = 1;
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check_argc(argc, 1, 2);
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return get_value(argv[0], argv[1]);
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}
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else if (actions == ACTION_UNSET) {
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check_argc(argc, 1, 2);
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if (argc == 2)
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return git_config_set_multivar(argv[0], NULL, argv[1], 0);
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else
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return git_config_set(argv[0], NULL);
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}
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else if (actions == ACTION_UNSET_ALL) {
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check_argc(argc, 1, 2);
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return git_config_set_multivar(argv[0], NULL, argv[1], 1);
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}
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else if (actions == ACTION_RENAME_SECTION) {
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int ret;
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check_argc(argc, 2, 2);
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ret = git_config_rename_section(argv[0], argv[1]);
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if (ret < 0)
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return ret;
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if (ret == 0)
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die("No such section!");
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}
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else if (actions == ACTION_REMOVE_SECTION) {
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int ret;
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check_argc(argc, 1, 1);
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ret = git_config_rename_section(argv[0], NULL);
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if (ret < 0)
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return ret;
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if (ret == 0)
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die("No such section!");
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}
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else if (actions == ACTION_GET_COLOR) {
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get_color(argv[0]);
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}
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else if (actions == ACTION_GET_COLORBOOL) {
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if (argc == 1)
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stdout_is_tty = git_config_bool("command line", argv[0]);
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else if (argc == 0)
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stdout_is_tty = isatty(1);
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return get_colorbool(argc != 0);
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}
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return 0;
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}
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