return new TestJobProcess(exitValue, processOutput);
        }
    }

    private static class TestJobProcess extends JobProcess {
        private final int exitValue;
        private final String output;

        public TestJobProcess(int exitValue, String output) {
            super(new TestProcess(exitValue));
            this.exitValue = exitValue;
            this.output = output;
        }

        private final int exitValue;

        public TestProcess(int exitValue) {
            this.exitValue = exitValue;
        }

        @Override
        public int waitFor() throws InterruptedException {
            return exitValue;
        }

        @Override
        public int exitValue() {
            return exitValue;
        }

        @Override

    private class MockProcess extends Process {
        private final int exitValue;

        public MockProcess(int exitValue) {
            this.exitValue = exitValue;
        }

        @Override
        public int waitFor() {
            return exitValue;
        }

        @Override
        public int exitValue() {
            return exitValue;
        }

        @Override

            return null;
        }

        @Override
        public int waitFor() throws InterruptedException {
            return 0;
        }

        @Override
        public int exitValue() {
            return 0;
        }

        @Override
        public void destroy() {
        }
    }

                commandLine = listOf("cmd.exe", "/d", "/c") + commandLine
            }
        }
        return execOutput.result.zip(execOutput.standardOutput.asText) { result, outputText ->
            if (result.exitValue == 0) outputText.trim()
            else "<unknown>" // It's a source distribution, we don't know.
        }
    }