/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#include "cmWorkingDirectory.h"

#include "cmStringAlgorithms.h"

#include "cmSystemTools.h"

cmWorkingDirectory::cmWorkingDirectory(std::string const& newdir)

{

  this->OldDir = cmSystemTools::GetLogicalWorkingDirectory();

  this->SetDirectory(newdir);

}

cmWorkingDirectory::~cmWorkingDirectory()

{

  this->Pop();

}

bool cmWorkingDirectory::SetDirectory(std::string const& newdir)

{

  cmsys::Status status = cmSystemTools::SetLogicalWorkingDirectory(newdir);

  if (status) {

    this->Error.clear();

    return true;

  }

  this->Error = cmStrCat("Failed to change working directory to \"", newdir,

                         "\": ", status.GetString());

  return false;

}

void cmWorkingDirectory::Pop()

{

  if (!this->OldDir.empty()) {

    this->SetDirectory(this->OldDir);

    this->OldDir.clear();

  }

}