ENH: Allow blocking of writing into the source tree

1 files changed, 15 insertions, 0 deletions

diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index 02b6913..dbb8799 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -102,6 +102,13 @@ bool cmFileCommand::HandleWriteCommand(std::vector<std::string> const& args,
     {
     message += *i;
     }
+  if ( !this->Makefile->CanIWriteThisFile(fileName.c_str()) )
+    {
+    std::string e = "attempted to write a file: " + fileName + " into a source directory.";
+    this->SetError(e.c_str());
+    cmSystemTools::SetFatalErrorOccured();
+    return false;
+    }
   std::string dir = cmSystemTools::GetFilenamePath(fileName);
   cmSystemTools::MakeDirectory(dir.c_str());
 
@@ -279,6 +286,14 @@ bool cmFileCommand::HandleMakeDirectoryCommand(
       expr += "/" + *i;
       cdir = &expr;
       }
+    if ( !this->Makefile->CanIWriteThisFile(cdir->c_str()) )
+      {
+      std::string e = "attempted to create a directory: " + *cdir
+        + " into a source directory.";
+      this->SetError(e.c_str());
+      cmSystemTools::SetFatalErrorOccured();
+      return false;
+      }
     if ( !cmSystemTools::MakeDirectory(cdir->c_str()) )
       {
       std::string error = "problem creating directory: " + *cdir;