t/test-lib.sh: add test_external and test_external_without_stderr

diff --git a/var.c b/var.c
index 0de0efa2aa3b216a0bc846135a54ed0dd0549f8b..724ba87a7c9ccb16bc506fc3f25710a4b78e3006 100644 (file)
--- a/var.c
+++ b/var.c
@@ -39,31 +39,32 @@ static const char *read_var(const char *var)
        return val;
 }
 
-static int show_config(const char *var, const char *value)
+static int show_config(const char *var, const char *value, void *cb)
 {
        if (value)
                printf("%s=%s\n", var, value);
        else
                printf("%s\n", var);
-       return git_default_config(var, value);
+       return git_default_config(var, value, cb);
 }
 
 int main(int argc, char **argv)
 {
        const char *val;
+       int nongit;
        if (argc != 2) {
                usage(var_usage);
        }
 
-       setup_git_directory();
+       setup_git_directory_gently(&nongit);
        val = NULL;
 
        if (strcmp(argv[1], "-l") == 0) {
-               git_config(show_config);
+               git_config(show_config, NULL);
                list_vars();
                return 0;
        }
-       git_config(git_default_config);
+       git_config(git_default_config, NULL);
        val = read_var(argv[1]);
        if (!val)
                usage(var_usage);