ENH: Add config option to disable symlinks

Author: effigies

nipype/utils/config.py

@@ -54,6 +54,7 @@
 remove_node_directories = false
 remove_unnecessary_outputs = true
 try_hard_link_datasink = true
+disable_symbolic_links = false
 single_thread_matlab = true
 crashfile_format = pklz
 stop_on_first_crash = false

nipype/utils/filemanip.py

@@ -288,6 +288,9 @@ def copyfile(originalfile, newfile, copy=False, create_new=False,
     if hashmethod is None:
         hashmethod = config.get('execution', 'hash_method').lower()
 
+    if config.getboolean('execution', 'disable_symbolic_links'):
+        copy = True
+
     # Existing file
     # -------------
     # Options: