+my $git = PublicInbox::Git->new($maindir);
+
+my $fail_bad_header = sub ($$$) {
+ my ($good_rev, $msg, $in) = @_;
+ my @f = glob("$faildir/*/*");
+ unlink @f if @f;
+ my ($out, $err) = ("", "");
+ my $opt = { 0 => \$in, 1 => \$out, 2 => \$err };
+ local $ENV{PATH} = $main_path;
+ ok(run_script(['-mda'], undef, $opt),
+ "no error on undeliverable ($msg)");
+ my $rev = $git->qx(qw(rev-list HEAD));
+ chomp $rev;
+ is($rev, $good_rev, "bad revision not commited ($msg)");
+ @f = glob("$faildir/*/*");
+ is(scalar @f, 1, "faildir written to");
+ [ $in, $out, $err ];
+};