internal static async Task TryAddFileAsync(
IMSBuildProjectSystem projectSystem,
string path,
Func <Task <Stream> > streamTaskFactory,
CancellationToken cancellationToken)
{
if (projectSystem.FileExistsInProject(path))
{
// file exists in project, ask user if he wants to overwrite or ignore
var conflictMessage = string.Format(CultureInfo.CurrentCulture,
Strings.FileConflictMessage, path, projectSystem.ProjectName);
var fileConflictAction = projectSystem.NuGetProjectContext.ResolveFileConflict(conflictMessage);
if (fileConflictAction == FileConflictAction.Overwrite ||
fileConflictAction == FileConflictAction.OverwriteAll)
{
// overwrite
projectSystem.NuGetProjectContext.Log(MessageLevel.Info, Strings.Info_OverwritingExistingFile, path);
using (var stream = await streamTaskFactory())
{
projectSystem.AddFile(path, stream);
}
}
else
{
// ignore
projectSystem.NuGetProjectContext.Log(MessageLevel.Warning, Strings.Warning_FileAlreadyExists, path);
}
}
else
{
projectSystem.AddFile(path, await streamTaskFactory());
}
}
internal static void AddFile(IMSBuildProjectSystem projectSystem, string path, Action <Stream> writeToStream)
{
using (var memoryStream = new MemoryStream())
{
writeToStream(memoryStream);
memoryStream.Seek(0, SeekOrigin.Begin);
projectSystem.AddFile(path, memoryStream);
}
}
/// <summary>
/// Creates a .refresh file in bin directory of the IFileSystem that points to the assembly being installed.
/// This works around issues in DTE's AddReference method when dealing with GACed binaries.
/// </summary>
/// <remarks>Adds the file to disk ONLY!</remarks>
/// <param name="root">the root path is dte full path</param>
/// <param name="assemblyPath">The relative path to the assembly being added</param>
public static void CreateRefreshFile(string root, string assemblyPath, IMSBuildProjectSystem msbuildNuGetProjectSystem)
{
string refreshFilePath = CreateRefreshFilePath(assemblyPath);
if (!FileSystemUtility.FileExists(root, refreshFilePath))
{
try
{
using (var stream = CreateRefreshFileStream(root, assemblyPath))
{
msbuildNuGetProjectSystem.AddFile(refreshFilePath, stream);
}
}
catch (UnauthorizedAccessException exception)
{
// log IO permission error
ExceptionHelper.WriteErrorToActivityLog(exception);
}
}
}