delete $ENV{XDG_CACHE_HOME};
$ENV{GIT_COMMITTER_EMAIL} = 'lei@example.com';
$ENV{GIT_COMMITTER_NAME} = 'lei user';
+ $ENV{LANG} = $ENV{LC_ALL} = 'C';
my (undef, $fn, $lineno) = caller(0);
my $t = "$fn:$lineno";
state $lei_daemon = PublicInbox::Spawn->can('send_cmd4') ||