fix: added forced removal and running of multiple hashfiles

Author: satra

nipype/pipeline/engine.py

@@ -1205,6 +1205,11 @@ def hash_exists(self, updatehash=False):
         # of the dictionary itself.
         hashed_inputs, hashvalue = self._get_hashval()
         outdir = self.output_dir()
+        hashfiles = glob(os.path.join(outdir, '*.json'))
+        if len(hashfiles) > 1:
+            warn('Removing multiple hashfiles and forcing node to rerun')
+            for hashfile in hashfiles:
+                os.unlink(hashfile)
         hashfile = os.path.join(outdir, '_0x%s.json' % hashvalue)
         if updatehash and os.path.exists(outdir):
             logger.debug("Updating hash: %s" % hashvalue)