public Subsystem <Node> ShowUpgradePlan(Node sourceNode, string sourceDir, string targetDir) => () =>
{
foreach (var node in sourceNode.Enumerate().Tail())
{
MarkKUpgradePlanColor(node, sourceDir, targetDir);
}
ConsoleW.WriteLine(@"Please Check your upgrade plan", ConsoleColor.Black, ConsoleColor.White);
ConsoleW.PrintNode(sourceNode, "", true);
return(Out <Node> .FromValue(sourceNode));
};
public Subsystem <Config> FetchConfig(string configPath)
{
Subsystem <Config> ParseConfig(FileInfo info) => () => {
if (!info.Exists)
{
ConsoleW.Write("Dangerous ", ConsoleColor.Red);
ConsoleW.WriteLine($"Config {info.FullName} is not existed.");
return(Out <Config> .FromValue(new Config()));
}
else
{
var expr = from context in fs.ReadAllText(info.FullName)
let cfg = JsonConvert.DeserializeObject <Config>(context)
select cfg;
return(expr());
}
};
return(from info in fs.GetFileInfo(configPath)
from cfg in ParseConfig(info)
select cfg);
}