private bool NeedsRebuilding(ProjectContext project, ProjectDependenciesFacade dependencies)
{
var compilerIO = GetCompileIO(project, dependencies);
// rebuild if empty inputs / outputs
if (!(compilerIO.Outputs.Any() && compilerIO.Inputs.Any()))
{
Reporter.Output.WriteLine($"Project {project.GetDisplayName()} will be compiled because it either has empty inputs or outputs");
return(true);
}
//rebuild if missing inputs / outputs
if (AnyMissingIO(project, compilerIO.Outputs, "outputs") || AnyMissingIO(project, compilerIO.Inputs, "inputs"))
{
return(true);
}
// find the output with the earliest write time
var minOutputPath = compilerIO.Outputs.First();
var minDateUtc = File.GetLastWriteTimeUtc(minOutputPath);
foreach (var outputPath in compilerIO.Outputs)
{
if (File.GetLastWriteTimeUtc(outputPath) >= minDateUtc)
{
continue;
}
minDateUtc = File.GetLastWriteTimeUtc(outputPath);
minOutputPath = outputPath;
}
// find inputs that are older than the earliest output
var newInputs = compilerIO.Inputs.FindAll(p => File.GetLastWriteTimeUtc(p) >= minDateUtc);
if (!newInputs.Any())
{
Reporter.Output.WriteLine($"Project {project.GetDisplayName()} was previously compiled. Skipping compilation.");
return(false);
}
Reporter.Output.WriteLine($"Project {project.GetDisplayName()} will be compiled because some of its inputs were newer than its oldest output.");
Reporter.Verbose.WriteLine();
Reporter.Verbose.WriteLine($" Oldest output item:");
Reporter.Verbose.WriteLine($" {minDateUtc.ToLocalTime()}: {minOutputPath}");
Reporter.Verbose.WriteLine();
Reporter.Verbose.WriteLine($" Inputs newer than the oldest output item:");
foreach (var newInput in newInputs)
{
Reporter.Verbose.WriteLine($" {File.GetLastWriteTime(newInput)}: {newInput}");
}
Reporter.Verbose.WriteLine();
return(true);
}
private void StampProjectWithSDKVersion(ProjectContext project)
{
if (File.Exists(DotnetFiles.VersionFile))
{
var projectVersionFile = project.GetSDKVersionFile(_args.ConfigValue, _args.BuildBasePathValue, _args.OutputValue);
var parentDirectory = Path.GetDirectoryName(projectVersionFile);
if (!Directory.Exists(parentDirectory))
{
Directory.CreateDirectory(parentDirectory);
}
File.Copy(DotnetFiles.VersionFile, projectVersionFile, true);
}
else
{
Reporter.Verbose.WriteLine($"Project {project.GetDisplayName()} was not stamped with a CLI version because the version file does not exist: {DotnetFiles.VersionFile}");
}
}
private static bool AnyMissingIO(ProjectContext project, IEnumerable <string> items, string itemsType)
{
var missingItems = items.Where(i => !File.Exists(i)).ToList();
if (!missingItems.Any())
{
return(false);
}
Reporter.Verbose.WriteLine($"Project {project.GetDisplayName()} will be compiled because expected {itemsType} are missing.");
foreach (var missing in missingItems)
{
Reporter.Verbose.WriteLine($" {missing}");
}
Reporter.Verbose.WriteLine();;
return(true);
}
