Either --global, --system, or --file should be used, but not any
combination.
Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
builtin-config.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/builtin-config.c b/builtin-config.c
index 8ee0cd9..a674246 100644
--- a/builtin-config.c
+++ b/builtin-config.c
@@ -315,6 +315,11 @@ 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) {
--
1.6.1.3
--
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