private void ChangeEnvironment()
{
// If invoked with an argument, it is the name or index of an environment. Attempt to set that
// environment and exit
var target = _args.Shift();
if (target.Exists())
{
var envName = target.AsString();
if (envName == _environments.CurrentName)
{
return;
}
if (!TrySetEnvironment(envName))
{
throw new ExecutionException($"Could not set environment {envName}");
}
OnEnvironmentChanged();
return;
}
// If we only have a single environment, switch directly to it with no input from the user
var environments = _environments.GetNames();
if (environments.Count == 1)
{
_environments.SetCurrent(0);
OnEnvironmentChanged();
return;
}
PromptUserForEnvironment();
}
/// <summary>
/// Sets the current environment by position
/// </summary>
/// <param name="environments"></param>
/// <param name="index"></param>
public static void SetCurrent(this IEnvironmentCollection environments, int index)
{
Assert.ArgumentNotNull(environments, nameof(environments));
var allEnvs = environments.GetNames();
if (index < 0 || index >= allEnvs.Count)
{
return;
}
environments.SetCurrent(allEnvs[index]);
}