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git config: don't allow multiple config file locations

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Either --global, --system, or --file can be used, but not any
combination.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Felipe Contreras 2009-02-21 02:49:26 +02:00 committed by Junio C Hamano
parent d64ec16c2a
commit 67052c9dcf
1 changed files with 5 additions and 0 deletions
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5
builtin-config.c
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@ -316,6 +316,11 @@ int cmd_config(int argc, const char **argv, const char *unused_prefix)
argc = parse_options(argc, argv, builtin_config_options, builtin_config_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (use_global_config + use_system_config + !!given_config_file > 1) {
error("only one config file at a time.");
usage_with_options(builtin_config_usage, builtin_config_options);
}
if (use_global_config) {
char *home = getenv("HOME");
if (home) {