static int Clean(FileInfo[] templates, int lockTimeout)
{
using (var locker = new Lock($"Global\\T4.Build.clean.{ComputeHash(templates)}.lock", lockTimeout))
{
var hasErrors = false;
foreach (var t in templates)
{
var generator = new BuildTemplateGenerator(t.FullName);
var output = generator.OutputFile;
if (!string.IsNullOrEmpty(output) && File.Exists(output))
{
try
{
Console.WriteLine($"Deleting file \"{output}\"");
File.Delete(output);
}
catch (Exception e)
{
hasErrors = true;
Console.Error.WriteLine(e.Message);
}
}
}
return(hasErrors ? 1 : 0);
}
}
static int Transform(FileInfo[] templates, int lockTimeout, bool skipUpToDate, bool parallel)
{
using (var locker = new Lock($"Global\\T4.Build.transform.{ComputeHash(templates)}.lock", lockTimeout))
{
var outputQueue = new ConcurrentQueue <String>();
var errorQueue = new ConcurrentQueue <CompilerErrorCollection>();
var didSomeWork = false;
var stopwatch = new Stopwatch();
stopwatch.Start();
Parallel.ForEach(templates,
new ParallelOptions {
MaxDegreeOfParallelism = parallel ? -1 : 1
},
t =>
{
var generator = new BuildTemplateGenerator(t.ToString());
try
{
bool skipped;
generator.ProcessTemplate(skipUpToDate, out skipped);
if (!skipped)
{
didSomeWork = true;
}
if (generator.Errors.HasErrors)
{
errorQueue.Enqueue(generator.Errors);
}
else
{
outputQueue.Enqueue(generator.OutputFile);
}
}
catch (Exception e)
{
errorQueue.Enqueue(new CompilerErrorCollection {
new CompilerError {
ErrorText = $"Could not process template '{t}':\n{e}"
}
});
}
});
stopwatch.Stop();
// Sort the generated file names so that the MSBuild compilation cache hash remains stable
var outputs = outputQueue.ToArray();
Array.Sort(outputs, new CaseInsensitiveComparer());
foreach (var output in outputs)
{
Console.WriteLine(output);
}
if (didSomeWork && errorQueue.IsEmpty)
{
Console.Error.WriteLine($"Templates transformed for {Path.GetFileName(Directory.GetCurrentDirectory())} (in {stopwatch.ElapsedMilliseconds / 1000.0} sec).");
}
foreach (var errors in errorQueue)
{
LogErrors(errors);
}
return(errorQueue.IsEmpty ? 0 : 1);
}
}
