$t = 'mailEditor set in config'; {
$in = $out = $err = '';
- my $rc = system(qw(git config), "--file=$cfgfile",
+ my $rc = xsys(qw(git config), "--file=$cfgfile",
'publicinbox.maileditor',
"$^X -i -p -e 's/boolean prefix/bool pfx/'");
is($rc, 0, 'set publicinbox.mailEditor');