Make hints available on builder object.

For runtime modification based on hints.

Author: jmchilton

cwltool/builder.py

@@ -26,6 +26,7 @@ def __init__(self):  # type: () -> None
         self.fs_access = None  # type: StdFsAccess
         self.job = None  # type: Dict[Text, Union[Dict[Text, Any], List, Text]]
         self.requirements = None  # type: List[Dict[Text, Any]]
+        self.hints = None  # type: List[Dict[Text, Any]]
         self.outdir = None  # type: Text
         self.tmpdir = None  # type: Text
         self.resources = None  # type: Dict[Text, Union[int, Text]]

cwltool/process.py

@@ -442,6 +442,7 @@ def _init_job(self, joborder, **kwargs):
         builder.schemaDefs = self.schemaDefs
         builder.names = self.names
         builder.requirements = self.requirements
+        builder.hints = self.hints
         builder.resources = {}
         builder.timeout = kwargs.get("eval_timeout")