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lib/App/Greple/update.pm  view on Meta::CPAN

    my $fh;
    state $fdpath = do {
	my $fd = DATA->fileno;
	first { -r "$_/$fd" } qw( /dev/fd /proc/self/fd );
    };

    if ($fdpath and $remember_data) {
	use IO::File;
	use Fcntl;
	$fh = new_tmpfile IO::File or die "new_tmpfile: $!\n";
	$fh->binmode(':encoding(utf8)');
	my $fd = $fh->fcntl(F_GETFD, 0) or die "fcntl F_GETFD: $!\n";
	$fh->fcntl(F_SETFD, $fd & ~FD_CLOEXEC) or die "fcntl F_SETFD: $!\n";
	$fh->printflush($contents);
	$fh->seek(0, 0);
	$orig = sprintf "%s/%d", $fdpath, $fh->fileno;
    }

    @update_diffcmd or confess "Empty diff command";
    exec @update_diffcmd, $orig, "-";
    die "exec: $!\n";

t/runner/Runner.pm  view on Meta::CPAN

use IO::File;

sub run {
    my $obj = shift;
    use IO::File;
    my $pid = (my $fh = new IO::File)->open('-|') // die "open: $@\n";
    if ($pid == 0) {
	if (my $stdin = $obj->{STDIN}) {
	    open STDIN, "<&=", $stdin->fileno or die "open: $!\n";
	    $stdin->fcntl(F_SETFD, 0) or die "fcntl F_SETFD: $!\n";
	    binmode STDIN, ':encoding(utf8)';
	}
	open STDERR, ">&STDOUT";
	$obj->execute;
	exit 1;
    }
    $obj->{STDIN} = undef;
    binmode $fh, ':encoding(utf8)';
    $obj->{stdout} = do { local $/; <$fh> };
    my $child = wait;
    $child != $pid and die "child = $child, pid = $pid";
    $obj->{pid} = $pid;
    $obj->{result} = $?;
    $obj;
}

sub status {
    my $obj = shift;

t/runner/Runner.pm  view on Meta::CPAN

}

*result = \&stdout; # for backward compatibility

sub setstdin {
    my $obj = shift;
    my $data = shift;
    my $stdin = $obj->{STDIN} //= do {
	my $fh = new_tmpfile IO::File or die "new_tmpfile: $!\n";
	$fh->fcntl(F_SETFD, 0) or die "fcntl F_SETFD: $!\n";
	binmode $fh, ':encoding(utf8)';
	$fh;
    };
    $stdin->seek(0, 0)  or die "seek: $!\n";
    $stdin->truncate(0) or die "truncate: $!\n";
    $stdin->print($data);
    $stdin->seek(0, 0)  or die "seek: $!\n";
    $obj;
}

##