Merge topic 'retry-directory-delete'

6bc77966 Retry removing directories on Windows
57295803 Use registry setting for removal retry count and delay
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3667

Source/cmFileCommand.cxx

@@ -1356,7 +1356,7 @@ bool HandleRemoveImpl(std::vector<std::string> const& args, bool recurse,
 
     if (cmSystemTools::FileIsDirectory(fileName) &&
         !cmSystemTools::FileIsSymlink(fileName) && recurse) {
-      cmSystemTools::RemoveADirectory(fileName);
+      cmSystemTools::RepeatedRemoveDirectory(fileName);
     } else {
       cmSystemTools::RemoveFile(fileName);
     }

Source/cmSystemTools.cxx

@@ -2838,14 +2838,20 @@ bool cmSystemTools::CheckRPath(std::string const& file,
 
 bool cmSystemTools::RepeatedRemoveDirectory(const std::string& dir)
 {
+#ifdef _WIN32
   // Windows sometimes locks files temporarily so try a few times.
-  for (int i = 0; i < 10; ++i) {
+  WindowsFileRetry retry = cmSystemTools::GetWindowsFileRetry();
+
+  for (unsigned int i = 0; i < retry.Count; ++i) {
     if (cmSystemTools::RemoveADirectory(dir)) {
       return true;
     }
-    cmSystemTools::Delay(100);
+    cmSystemTools::Delay(retry.Delay);
   }
   return false;
+#else
+  return cmSystemTools::RemoveADirectory(dir);
+#endif
 }
 
 bool cmSystemTools::StringToLong(const char* str, long* value)