/// <summary>
/// Robustly determines the SVN status of a path using the output of the SVN status command.
/// Handles both files and directories, in the case of a directory the status of the directory only, and not all the file-system entries within it.
/// Handles warnings by turning them into into the associated <see cref="ItemStatus"/> value.
/// Resolves the ambiguous <see cref="ItemStatus.NotFound"/> item status by walking up the path hierarchy until an items status is found.
/// </summary>
public static SvnStringPathStatus StatusRobust(this SvnCommand svnCommand, AbsolutePath path)
{
var nonDirectoryIndicatedPath = PathUtilities.EnsurePathIsNotDirectoryIndicated(path.Value).AsAbsolutePath();
var status = svnCommand.StatusRobust_Internal(nonDirectoryIndicatedPath);
if (status.ItemStatus != ItemStatus.NotFound)
{
return(status);
}
// Determine whether the item is in 1) an ignored directory or 2) an unversioned directory by walking up the path hierarchy until
var parentItemStatus = ItemStatus.None;
var parentPath = path;
do
{
parentPath = PathUtilities.GetParentDirectoryPath(parentPath);
var parentStatus = svnCommand.StatusRobust_Internal(parentPath);
parentItemStatus = parentStatus.ItemStatus;
}while (parentItemStatus == ItemStatus.NotFound);
var output = new SvnStringPathStatus {
Path = path.Value, ItemStatus = parentItemStatus
};
return(output);
}
private static SvnStringPathStatus StatusRobust_Internal(this SvnCommand svnCommand, AbsolutePath absolutePath)
{
var arguments = SvnCommandServicesProvider.GetStatusVerboseForInstanceOnly(absolutePath)
.AddXml(); // Get XML.
var outputCollector = SvnCommandServicesProvider.Run(svnCommand.SvnExecutableFilePath, arguments, false);
if (outputCollector.AnyError)
{
var errorText = outputCollector.GetErrorText().Trim();
var notWorkingCopyText = $"svn: warning: W155007: '{absolutePath}' is not a working copy";
if (errorText == notWorkingCopyText)
{
var output = new SvnStringPathStatus {
Path = absolutePath.Value, ItemStatus = ItemStatus.NotWorkingCopy
};
return(output);
}
var notFoundText = $"svn: warning: W155010: The node '{absolutePath}' was not found.";
if (errorText == notFoundText)
{
var output = new SvnStringPathStatus {
Path = absolutePath.Value, ItemStatus = ItemStatus.NotFound
};
return(output);
}
throw new Exception($"Unknown SVN error:\n{errorText}");
}
var xmlText = outputCollector.GetOutputText();
using (var stream = StreamHelper.FromString(xmlText))
{
var xmlStatusType = XmlStreamSerializer.Deserialize <StatusType>(stream, SvnXml.DefaultNamespace);
var statuses = SvnCommandServicesProvider.GetStatuses(xmlStatusType);
var status = statuses.Count() < 1
? new SvnStringPathStatus {
Path = absolutePath.Value, ItemStatus = ItemStatus.None
}
: statuses.Single() // Should be only 1.
;
return(status);
}
}