in builtin/config.c [637:968]
int cmd_config(int argc, const char **argv, const char *prefix)
{
int nongit = !startup_info->have_repository;
char *value;
int flags = 0;
given_config_source.file = xstrdup_or_null(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 + use_local_config +
use_worktree_config +
!!given_config_source.file + !!given_config_source.blob > 1) {
error(_("only one config file at a time"));
usage_builtin_config();
}
if (nongit) {
if (use_local_config)
die(_("--local can only be used inside a git repository"));
if (given_config_source.blob)
die(_("--blob can only be used inside a git repository"));
if (use_worktree_config)
die(_("--worktree can only be used inside a git repository"));
}
if (given_config_source.file &&
!strcmp(given_config_source.file, "-")) {
given_config_source.file = NULL;
given_config_source.use_stdin = 1;
given_config_source.scope = CONFIG_SCOPE_COMMAND;
}
if (use_global_config) {
char *user_config, *xdg_config;
git_global_config(&user_config, &xdg_config);
if (!user_config)
/*
* It is unknown if HOME/.gitconfig exists, so
* we do not know if we should write to XDG
* location; error out even if XDG_CONFIG_HOME
* is set and points at a sane location.
*/
die(_("$HOME not set"));
given_config_source.scope = CONFIG_SCOPE_GLOBAL;
if (access_or_warn(user_config, R_OK, 0) &&
xdg_config && !access_or_warn(xdg_config, R_OK, 0)) {
given_config_source.file = xdg_config;
free(user_config);
} else {
given_config_source.file = user_config;
free(xdg_config);
}
}
else if (use_system_config) {
given_config_source.file = git_system_config();
given_config_source.scope = CONFIG_SCOPE_SYSTEM;
} else if (use_local_config) {
given_config_source.file = git_pathdup("config");
given_config_source.scope = CONFIG_SCOPE_LOCAL;
} else if (use_worktree_config) {
struct worktree **worktrees = get_worktrees();
if (repository_format_worktree_config)
given_config_source.file = git_pathdup("config.worktree");
else if (worktrees[0] && worktrees[1])
die(_("--worktree cannot be used with multiple "
"working trees unless the config\n"
"extension worktreeConfig is enabled. "
"Please read \"CONFIGURATION FILE\"\n"
"section in \"git help worktree\" for details"));
else
given_config_source.file = git_pathdup("config");
given_config_source.scope = CONFIG_SCOPE_LOCAL;
free_worktrees(worktrees);
} else if (given_config_source.file) {
if (!is_absolute_path(given_config_source.file) && prefix)
given_config_source.file =
prefix_filename(prefix, given_config_source.file);
given_config_source.scope = CONFIG_SCOPE_COMMAND;
} else if (given_config_source.blob) {
given_config_source.scope = CONFIG_SCOPE_COMMAND;
}
if (respect_includes_opt == -1)
config_options.respect_includes = !given_config_source.file;
else
config_options.respect_includes = respect_includes_opt;
if (!nongit) {
config_options.commondir = get_git_common_dir();
config_options.git_dir = get_git_dir();
}
if (end_nul) {
term = '\0';
delim = '\n';
key_delim = '\n';
}
if ((actions & (ACTION_GET_COLOR|ACTION_GET_COLORBOOL)) && type) {
error(_("--get-color and variable type are incoherent"));
usage_builtin_config();
}
if (HAS_MULTI_BITS(actions)) {
error(_("only one action at a time"));
usage_builtin_config();
}
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_builtin_config();
}
if (omit_values &&
!(actions == ACTION_LIST || actions == ACTION_GET_REGEXP)) {
error(_("--name-only is only applicable to --list or --get-regexp"));
usage_builtin_config();
}
if (show_origin && !(actions &
(ACTION_GET|ACTION_GET_ALL|ACTION_GET_REGEXP|ACTION_LIST))) {
error(_("--show-origin is only applicable to --get, --get-all, "
"--get-regexp, and --list"));
usage_builtin_config();
}
if (default_value && !(actions & ACTION_GET)) {
error(_("--default is only applicable to --get"));
usage_builtin_config();
}
/* check usage of --fixed-value */
if (fixed_value) {
int allowed_usage = 0;
switch (actions) {
/* git config --get <name> <value-pattern> */
case ACTION_GET:
/* git config --get-all <name> <value-pattern> */
case ACTION_GET_ALL:
/* git config --get-regexp <name-pattern> <value-pattern> */
case ACTION_GET_REGEXP:
/* git config --unset <name> <value-pattern> */
case ACTION_UNSET:
/* git config --unset-all <name> <value-pattern> */
case ACTION_UNSET_ALL:
allowed_usage = argc > 1 && !!argv[1];
break;
/* git config <name> <value> <value-pattern> */
case ACTION_SET_ALL:
/* git config --replace-all <name> <value> <value-pattern> */
case ACTION_REPLACE_ALL:
allowed_usage = argc > 2 && !!argv[2];
break;
/* other options don't allow --fixed-value */
}
if (!allowed_usage) {
error(_("--fixed-value only applies with 'value-pattern'"));
usage_builtin_config();
}
flags |= CONFIG_FLAGS_FIXED_VALUE;
}
if (actions & PAGING_ACTIONS)
setup_auto_pager("config", 1);
if (actions == ACTION_LIST) {
check_argc(argc, 0, 0);
if (config_with_options(show_all_config, NULL,
&given_config_source,
&config_options) < 0) {
if (given_config_source.file)
die_errno(_("unable to read config file '%s'"),
given_config_source.file);
else
die(_("error processing config file(s)"));
}
}
else if (actions == ACTION_EDIT) {
char *config_file;
check_argc(argc, 0, 0);
if (!given_config_source.file && nongit)
die(_("not in a git directory"));
if (given_config_source.use_stdin)
die(_("editing stdin is not supported"));
if (given_config_source.blob)
die(_("editing blobs is not supported"));
git_config(git_default_config, NULL);
config_file = given_config_source.file ?
xstrdup(given_config_source.file) :
git_pathdup("config");
if (use_global_config) {
int fd = open(config_file, O_CREAT | O_EXCL | O_WRONLY, 0666);
if (fd >= 0) {
char *content = default_user_config();
write_str_in_full(fd, content);
free(content);
close(fd);
}
else if (errno != EEXIST)
die_errno(_("cannot create configuration file %s"), config_file);
}
launch_editor(config_file, NULL, NULL);
free(config_file);
}
else if (actions == ACTION_SET) {
int ret;
check_write();
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
UNLEAK(value);
ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value);
if (ret == CONFIG_NOTHING_SET)
error(_("cannot overwrite multiple values with a single value\n"
" Use a regexp, --add or --replace-all to change %s."), argv[0]);
return ret;
}
else if (actions == ACTION_SET_ALL) {
check_write();
check_argc(argc, 2, 3);
value = normalize_value(argv[0], argv[1]);
UNLEAK(value);
return git_config_set_multivar_in_file_gently(given_config_source.file,
argv[0], value, argv[2],
flags);
}
else if (actions == ACTION_ADD) {
check_write();
check_argc(argc, 2, 2);
value = normalize_value(argv[0], argv[1]);
UNLEAK(value);
return git_config_set_multivar_in_file_gently(given_config_source.file,
argv[0], value,
CONFIG_REGEX_NONE,
flags);
}
else if (actions == ACTION_REPLACE_ALL) {
check_write();
check_argc(argc, 2, 3);
value = normalize_value(argv[0], argv[1]);
UNLEAK(value);
return git_config_set_multivar_in_file_gently(given_config_source.file,
argv[0], value, argv[2],
flags | CONFIG_FLAGS_MULTI_REPLACE);
}
else if (actions == ACTION_GET) {
check_argc(argc, 1, 2);
return get_value(argv[0], argv[1], flags);
}
else if (actions == ACTION_GET_ALL) {
do_all = 1;
check_argc(argc, 1, 2);
return get_value(argv[0], argv[1], flags);
}
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], flags);
}
else if (actions == ACTION_GET_URLMATCH) {
check_argc(argc, 2, 2);
return get_urlmatch(argv[0], argv[1]);
}
else if (actions == ACTION_UNSET) {
check_write();
check_argc(argc, 1, 2);
if (argc == 2)
return git_config_set_multivar_in_file_gently(given_config_source.file,
argv[0], NULL, argv[1],
flags);
else
return git_config_set_in_file_gently(given_config_source.file,
argv[0], NULL);
}
else if (actions == ACTION_UNSET_ALL) {
check_write();
check_argc(argc, 1, 2);
return git_config_set_multivar_in_file_gently(given_config_source.file,
argv[0], NULL, argv[1],
flags | CONFIG_FLAGS_MULTI_REPLACE);
}
else if (actions == ACTION_RENAME_SECTION) {
int ret;
check_write();
check_argc(argc, 2, 2);
ret = git_config_rename_section_in_file(given_config_source.file,
argv[0], argv[1]);
if (ret < 0)
return ret;
if (ret == 0)
die(_("no such section: %s"), argv[0]);
}
else if (actions == ACTION_REMOVE_SECTION) {
int ret;
check_write();
check_argc(argc, 1, 1);
ret = git_config_rename_section_in_file(given_config_source.file,
argv[0], NULL);
if (ret < 0)
return ret;
if (ret == 0)
die(_("no such section: %s"), argv[0]);
}
else if (actions == ACTION_GET_COLOR) {
check_argc(argc, 1, 2);
get_color(argv[0], argv[1]);
}
else if (actions == ACTION_GET_COLORBOOL) {
check_argc(argc, 1, 2);
if (argc == 2)
color_stdout_is_tty = git_config_bool("command line", argv[1]);
return get_colorbool(argv[0], argc == 2);
}
return 0;
}