internal static void Execute(string targetDirectory, string targetProjectPath, string targetGuid)
{
// Load up the project into an XDocument
XDocument targetProjXml = XDocument.Load(targetProjectPath);
// First get the existing Guid of the project
string existingProjectGuid = MSBuildUtilities.GetMSBuildProjectGuid(targetProjXml, targetProjectPath);
// Now update the project Guid
MSBuildUtilities.SetMSBuildProjectGuid(targetProjXml, targetGuid);
// Save this file
targetProjXml.Save(targetProjectPath);
IEnumerable <string> projectsInDirectory = GetProjectsInDirectory(targetDirectory);
// First Update All Projects
Parallel.ForEach(projectsInDirectory, projectInDirectory =>
{
UpdateProjectReferenceGuids(projectInDirectory, targetProjectPath, existingProjectGuid, targetGuid);
});
IEnumerable <string> solutionsInTargetDirectory = GetSolutionsInDirectory(targetDirectory);
// Now update Solution Files
Parallel.ForEach(solutionsInTargetDirectory, solutionFile =>
{
UpdateSolutionReferenceGuids(solutionFile, targetProjectPath, existingProjectGuid, targetGuid);
}
);
}
internal static void UpdateProjectReferenceGuids(string pathToProjectToUpdate, string pathToProjectWithNewGuid, string oldGuid, string newGuid)
{
XDocument projXml = XDocument.Load(pathToProjectToUpdate);
// Format the old guid into the expected project format
string oldGuidClean = Guid.Parse(oldGuid).ToString("B");
// This will filter to only project references that are really the
// target project this is to work around cases where someone has
// duplicated the Guid.
XElement[] projectReferences =
MSBuildUtilities.GetProjectReferenceNodes(projXml)
.Where(projectReference => MSBuildUtilities.GetProjectReferenceGUID(projectReference, pathToProjectToUpdate).Equals(oldGuidClean, StringComparison.InvariantCultureIgnoreCase))
.Where(projectReference =>
{
string directoryOfProject = PathUtilities.AddTrailingSlash(Path.GetDirectoryName(pathToProjectToUpdate));
string prIncludeRelative = MSBuildUtilities.GetProjectReferenceIncludeValue(projectReference, pathToProjectToUpdate);
string prIncludeExpanded = PathUtilities.ResolveRelativePath(directoryOfProject, prIncludeRelative);
return(prIncludeExpanded.Equals(pathToProjectWithNewGuid));
})
.ToArray();
// NOTE: We could just update every single project we find, even if
// it was duplicated, but we'll be a sticker about it we should not
// have more than a single reference to the same project.
if (projectReferences.Length > 1)
{
string exception = $"Project `{pathToProjectToUpdate}` has more than one reference to project `{pathToProjectWithNewGuid}` this is invalid.";
throw new InvalidOperationException(exception);
}
// Again there should only be 1, but don't bother with First()
// incase we change our minds later
foreach (XElement projectReference in projectReferences)
{
MSBuildUtilities.SetProjectReferenceGUID(projectReference, newGuid);
}
// We need to check the entire string to see if there was any real change
bool changesMade = XDocument.Load(pathToProjectToUpdate).ToString() != projXml.ToString();
if (changesMade)
{
projXml.Save(pathToProjectToUpdate);
}
}