mirror of
https://github.com/git/git.git
synced 2024-12-01 05:54:16 +08:00
69243c2b95
The applications can ask for color.diff but the configuration of old timer users can still instruct it to use color with diff.color this way. Signed-off-by: Junio C Hamano <gitster@pobox.com>
403 lines
9.9 KiB
C
403 lines
9.9 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "color.h"
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static const char git_config_set_usage[] =
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"git-config [ --global | --system | [ -f | --file ] config-file ] [ --bool | --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]";
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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 enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
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static int show_all_config(const char *key_, const char *value_)
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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_)
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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 (type == T_INT)
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sprintf(value, "%d", git_config_int(key_, value_?value_:""));
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else if (type == T_BOOL)
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vptr = git_config_bool(key_, value_) ? "true" : "false";
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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 = getenv(CONFIG_ENVIRONMENT);
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if (!local) {
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const char *home = getenv("HOME");
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local = getenv(CONFIG_LOCAL_ENVIRONMENT);
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if (!local)
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local = repo_config = xstrdup(git_path("config"));
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if (home)
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global = xstrdup(mkpath("%s/.gitconfig", home));
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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);
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if (do_all && global)
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git_config_from_file(show_config, global);
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git_config_from_file(show_config, local);
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if (!do_all && !seen && global)
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git_config_from_file(show_config, global);
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if (!do_all && !seen && system_wide)
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git_config_from_file(show_config, system_wide);
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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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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 (type == T_RAW)
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normalized = xstrdup(value);
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else {
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normalized = xmalloc(64);
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if (type == T_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 (type == T_BOOL)
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sprintf(normalized, "%s",
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git_config_bool(key, value) ? "true" : "false");
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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 char parsed_color[COLOR_MAXLEN];
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static int git_get_color_config(const char *var, const char *value)
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{
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if (!strcmp(var, get_color_slot)) {
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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 int get_color(int argc, const char **argv)
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{
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/*
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* grab the color setting for the given slot from the configuration,
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* or parse the default value if missing, and return ANSI color
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* escape sequence.
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*
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* e.g.
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* git config --get-color color.diff.whitespace "blue reverse"
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*/
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const char *def_color = NULL;
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switch (argc) {
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default:
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usage(git_config_set_usage);
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case 2:
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def_color = argv[1];
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/* fallthru */
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case 1:
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get_color_slot = argv[0];
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break;
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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);
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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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return 0;
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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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{
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if (!strcmp(var, get_color_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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return 0;
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}
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static int get_colorbool(int argc, const char **argv)
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{
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/*
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* git config --get-colorbool <slot> [<stdout-is-tty>]
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*
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* returns "true" or "false" depending on how <slot>
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* is configured.
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*/
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if (argc == 2)
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stdout_is_tty = git_config_bool("command line", argv[1]);
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else if (argc == 1)
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stdout_is_tty = isatty(1);
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else
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usage(git_config_set_usage);
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get_colorbool_found = -1;
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get_diff_color_found = -1;
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get_color_slot = argv[0];
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git_config(git_get_colorbool_config);
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if (get_colorbool_found < 0) {
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if (!strcmp(get_color_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 = 0;
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}
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if (argc == 1) {
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return get_colorbool_found ? 0 : 1;
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} else {
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printf("%s\n", get_colorbool_found ? "true" : "false");
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return 0;
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}
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}
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int cmd_config(int argc, const char **argv, const char *prefix)
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{
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int nongit = 0;
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char* value;
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const char *file = setup_git_directory_gently(&nongit);
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while (1 < argc) {
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if (!strcmp(argv[1], "--int"))
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type = T_INT;
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else if (!strcmp(argv[1], "--bool"))
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type = T_BOOL;
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else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
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if (argc != 2)
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usage(git_config_set_usage);
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if (git_config(show_all_config) < 0 && file && errno)
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die("unable to read config file %s: %s", file,
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strerror(errno));
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return 0;
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}
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else if (!strcmp(argv[1], "--global")) {
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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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setenv(CONFIG_ENVIRONMENT, user_config, 1);
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free(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 (!strcmp(argv[1], "--system"))
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setenv(CONFIG_ENVIRONMENT, git_etc_gitconfig(), 1);
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else if (!strcmp(argv[1], "--file") || !strcmp(argv[1], "-f")) {
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if (argc < 3)
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usage(git_config_set_usage);
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if (!is_absolute_path(argv[2]) && file)
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file = prefix_filename(file, strlen(file),
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argv[2]);
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else
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file = argv[2];
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setenv(CONFIG_ENVIRONMENT, file, 1);
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argc--;
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argv++;
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}
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else if (!strcmp(argv[1], "--null") || !strcmp(argv[1], "-z")) {
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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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else if (!strcmp(argv[1], "--rename-section")) {
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int ret;
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if (argc != 4)
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usage(git_config_set_usage);
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ret = git_config_rename_section(argv[2], argv[3]);
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if (ret < 0)
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return ret;
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if (ret == 0) {
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fprintf(stderr, "No such section!\n");
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return 1;
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}
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return 0;
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}
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else if (!strcmp(argv[1], "--remove-section")) {
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int ret;
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if (argc != 3)
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usage(git_config_set_usage);
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ret = git_config_rename_section(argv[2], 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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fprintf(stderr, "No such section!\n");
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return 1;
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}
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return 0;
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} else if (!strcmp(argv[1], "--get-color")) {
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return get_color(argc-2, argv+2);
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} else if (!strcmp(argv[1], "--get-colorbool")) {
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return get_colorbool(argc-2, argv+2);
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} else
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break;
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argc--;
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argv++;
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}
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switch (argc) {
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case 2:
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return get_value(argv[1], NULL);
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case 3:
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if (!strcmp(argv[1], "--unset"))
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return git_config_set(argv[2], NULL);
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else if (!strcmp(argv[1], "--unset-all"))
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return git_config_set_multivar(argv[2], NULL, NULL, 1);
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else if (!strcmp(argv[1], "--get"))
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return get_value(argv[2], NULL);
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else if (!strcmp(argv[1], "--get-all")) {
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do_all = 1;
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return get_value(argv[2], NULL);
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} else if (!strcmp(argv[1], "--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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return get_value(argv[2], NULL);
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} else {
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value = normalize_value(argv[1], argv[2]);
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return git_config_set(argv[1], value);
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}
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case 4:
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if (!strcmp(argv[1], "--unset"))
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return git_config_set_multivar(argv[2], NULL, argv[3], 0);
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else if (!strcmp(argv[1], "--unset-all"))
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return git_config_set_multivar(argv[2], NULL, argv[3], 1);
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else if (!strcmp(argv[1], "--get"))
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return get_value(argv[2], argv[3]);
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else if (!strcmp(argv[1], "--get-all")) {
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do_all = 1;
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return get_value(argv[2], argv[3]);
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} else if (!strcmp(argv[1], "--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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return get_value(argv[2], argv[3]);
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} else if (!strcmp(argv[1], "--add")) {
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value = normalize_value(argv[2], argv[3]);
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return git_config_set_multivar(argv[2], value, "^$", 0);
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} else if (!strcmp(argv[1], "--replace-all")) {
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value = normalize_value(argv[2], argv[3]);
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return git_config_set_multivar(argv[2], value, NULL, 1);
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} else {
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value = normalize_value(argv[1], argv[2]);
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return git_config_set_multivar(argv[1], value, argv[3], 0);
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}
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case 5:
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if (!strcmp(argv[1], "--replace-all")) {
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value = normalize_value(argv[2], argv[3]);
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return git_config_set_multivar(argv[2], value, argv[4], 1);
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}
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case 1:
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default:
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usage(git_config_set_usage);
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}
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return 0;
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}
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