} catch (IOException original) {
            // Let's try again after making it writable, as this is needed on Windows in some cases
            if (file.setWritable(true)) {
                try {
                    return FileDeletionResult.withoutException(Files.deleteIfExists(file.toPath()));
                } catch (IOException ignored) {

    def "deletes read-only file"() {
        given:
        TestFile dir = tmpDir.getTestDirectory()
        TestFile file = dir.file("someFile").createFile()
        file.setWritable(false);

        when:
        boolean didWork = deleter.ensureEmptyDirectory(dir)

        then:
        dir.assertIsEmptyDir()
        didWork
    }

    @Requires(UnitTestPreconditions.Symlinks)

            // we need the null check for pre-build legacy plugins...
            if (editableConfig != null) {
                String editable = d.getChild("editable").getValue();

                parameter.setEditable(editable == null || Boolean.parseBoolean(editable));
            }

            parameter.setDescription(extractDescription(d));

            parameter.setDeprecated(d.getChild("deprecated").getValue());

//sysnb	Setregid(rgid int, egid int) (err error)
//sysnb	Setreuid(ruid int, euid int) (err error)
//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
//sysnb	Setrtable(rtable int) (err error)
//sysnb	Setsid() (pid int, err error)
//sysnb	Settimeofday(tp *Timeval) (err error)
//sysnb	Setuid(uid int) (err error)
//sys	Stat(path string, stat *Stat_t) (err error)