interdiff: teach show_interdiff() to indent interdiff

diff --git a/builtin/config.c b/builtin/config.c
index 1e31aa9f8d98ffa6790ba2c6023634841b1abf74..b29d26dede79b9a5c46bdc4f951b22e7b88310b3 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -602,6 +602,9 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        if (use_local_config && nongit)
                die(_("--local can only be used inside a git repository"));
 
+       if (given_config_source.blob && nongit)
+               die(_("--blob can only be used inside a git repository"));
+
        if (given_config_source.file &&
                        !strcmp(given_config_source.file, "-")) {
                given_config_source.file = NULL;