async Task <List <VirtualNode> > resolveParameters()
{
List <VirtualNode> nodes = new List <VirtualNode> ();
// if there are command line parameters, resolve them
if (parameters.Count > 0)
{
foreach (string p in parameters)
{
try {
Path resolvedPath = FileSystemSubsystems.ResolveRelativePath(env) (p);
VirtualNode node = FileSystemSubsystems.Node(resolvedPath);
nodes.Add(node);
} catch (VirtualIOException ex) {
Log.Error(ex);
await Output.WriteLineAsync(ex.Message);
}
}
}
// otherwise, use the current working directory
else
{
nodes.Add(env.WorkingDirectory);
}
return(nodes);
}
protected override Task ExecuteInternalAsync()
{
VirtualDirectory node =
parameters.Count >= 1
? FileSystemSubsystems.Directory(FileSystemSubsystems.ResolveRelativePath(env) (parameters [0]))
: env.HomeDirectory;
Log.Debug("change directory to: ", node);
node.Validate(throwExceptions: true);
env.WorkingDirectory = node;
return(TaskHelper.Completed);
}