cmWorkingDirectory: use the new class

These functions just need to change the directory for a block of code
and then go back to the caller's expected location. Use
cmWorkingDirectory to ensure that all return paths are handled.

1 files changed, 2 insertions, 12 deletions

diff --git a/Source/cmDepends.cxx b/Source/cmDepends.cxx
index c189419de8..b8c76b92dd 100644
--- a/Source/cmDepends.cxx
+++ b/Source/cmDepends.cxx
@@ -7,6 +7,7 @@
 #include "cmLocalGenerator.h"
 #include "cmMakefile.h"
 #include "cmSystemTools.h"
+#include "cmWorkingDirectory.h"
 
 #include <cmsys/FStream.hxx>
 #include <sstream>
@@ -75,13 +76,7 @@ bool cmDepends::Check(const char* makeFile, const char* internalFile,
                       std::map<std::string, DependencyVector>& validDeps)
 {
   // Dependency checks must be done in proper working directory.
-  std::string oldcwd = ".";
-  if (this->CompileDirectory != ".") {
-    // Get the CWD but do not call CollapseFullPath because
-    // we only need it to cd back, and the form does not matter
-    oldcwd = cmSystemTools::GetCurrentWorkingDirectory(false);
-    cmSystemTools::ChangeDirectory(this->CompileDirectory);
-  }
+  cmWorkingDirectory workdir(this->CompileDirectory);
 
   // Check whether dependencies must be regenerated.
   bool okay = true;
@@ -93,11 +88,6 @@ bool cmDepends::Check(const char* makeFile, const char* internalFile,
     okay = false;
   }
 
-  // Restore working directory.
-  if (oldcwd != ".") {
-    cmSystemTools::ChangeDirectory(oldcwd);
-  }
-
   return okay;
 }