/// <summary>
/// Processes the command output to check if the stream was redirected to the stream to the
/// standard error output device, and if so, throws it as an exception.
/// </summary>
/// <param name="cmdOutput">Output from an executed command.</param>
/// <returns>Text from the standard output device.</returns>
/// <exception cref="StandardErrorException">Text from the standard error output device.</exception>
private static string ProcessOutput(CommandOutput cmdOutput)
{
if (cmdOutput.ExitCode > 0)
{
throw new StandardErrorException(cmdOutput.StdErr);
}
return(cmdOutput.StdOut);
}
/// <summary>
/// Runs a shell command on a host system.
/// </summary>
/// <param name="command">Command to run.</param>
/// <returns>Output from the executed command.</returns>
public CommandOutput Run(string command)
{
var cmdOutput = new CommandOutput()
{
ExitCode = 1
};
var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
var startInfo = new ProcessStartInfo()
{
FileName = isWindows ? "cmd.exe" : "/bin/bash",
Arguments = isWindows ? $"/c \"{command}\"" : $"-c \"{command}\"",
RedirectStandardOutput = true,
RedirectStandardError = true,
StandardOutputEncoding = Encoding.UTF8,
UseShellExecute = false,
CreateNoWindow = true
};
try
{
using (var process = Process.Start(startInfo))
{
if (process == null)
{
throw new InvalidOperationException("Failed to execute command.");
}
cmdOutput.StdOut = process.StandardOutput.ReadToEnd().Trim();
cmdOutput.StdErr = process.StandardError.ReadToEnd().Trim();
process.WaitForExit();
cmdOutput.ExitCode = process.ExitCode;
}
}
catch (Exception ex)
{
cmdOutput.StdErr = ex.Message;
}
return(cmdOutput);
}
