+ is(system(@cmd), 0, 'public-inbox-init OK (idempotent)');
+
+ chmod 0666, $cfgfile or die "chmod failed: $!";
+ @cmd = (pi_init, 'clist', "$tmpdir/clist",
+ qw(http://example.com/clist clist@example.com));
+ is(system(@cmd), 0, 'public-inbox-init clist OK');
+ is((stat($cfgfile))[2] & 07777, 0666, "permissions preserved");