// the host project or one of the .props file that it imports might contain some custom settings that needs to be copied, sth like
// <NetCoreAppImplicitPackageVersion>2.0.0-beta-001607-00</NetCoreAppImplicitPackageVersion>
// <RuntimeFrameworkVersion>2.0.0-beta-001607-00</RuntimeFrameworkVersion>
internal (string customProperties, string sdkName) GetSettingsThatNeedsToBeCopied(TextReader streamReader, FileInfo projectFile)
{
if (!string.IsNullOrEmpty(RuntimeFrameworkVersion)) // some power users knows what to configure, just do it and copy nothing more
{
return($"<RuntimeFrameworkVersion>{RuntimeFrameworkVersion}</RuntimeFrameworkVersion>", DefaultSdkName);
}
var customProperties = new StringBuilder();
var sdkName = DefaultSdkName;
string line;
while ((line = streamReader.ReadLine()) != null)
{
var trimmedLine = line.Trim();
foreach (string setting in SettingsWeWantToCopy)
{
if (trimmedLine.Contains(setting))
{
customProperties.AppendLine(trimmedLine);
}
}
if (trimmedLine.StartsWith("<Import Project"))
{
string propsFilePath = trimmedLine.Split('"')[1]; // its sth like <Import Project="..\..\build\common.props" />
var directoryName = projectFile.DirectoryName ?? throw new DirectoryNotFoundException(projectFile.DirectoryName);
string absolutePath = File.Exists(propsFilePath)
? propsFilePath // absolute path or relative to current dir
: Path.Combine(directoryName, propsFilePath); // relative to csproj
if (File.Exists(absolutePath))
{
using (var importedFile = new StreamReader(File.OpenRead(absolutePath)))
customProperties.Append(GetSettingsThatNeedsToBeCopied(importedFile, new FileInfo(absolutePath)).customProperties);
}
}
// custom SDKs are not added for non-netcoreapp apps (like net471), so when the TFM != netcoreapp we dont parse "<Import Sdk="
// we don't allow for that mostly to prevent from edge cases like the following
// <Import Sdk="Microsoft.NET.Sdk.WindowsDesktop" Project="Sdk.props" Condition="'$(TargetFramework)'=='netcoreapp3.0'"/>
if (trimmedLine.StartsWith("<Project Sdk=\"") ||
(TargetFrameworkMoniker.StartsWith("netcoreapp", StringComparison.InvariantCultureIgnoreCase) && trimmedLine.StartsWith("<Import Sdk=\"")))
{
sdkName = trimmedLine.Split('"')[1]; // its sth like Sdk="name"
}
}
return(customProperties.ToString(), sdkName);
}