Dev only var to select specifc backend version

Author: mooperd

chipflow_lib/steps/silicon.py

@@ -134,10 +134,11 @@ def submit(self, rtlil_path, *, dry_run=False):
             "name": submission_name,
         }
 
-        # Check if CHIPFLOW_BACKEND_GIT_SHA exists in the environment and add it to the data dictionary
-        backend_sha = os.environ.get("CHIPFLOW_BACKEND_GIT_SHA")
-        if backend_sha:
-            data["backend_sha"] = backend_sha
+        # Dev only var to select specifc backend version
+        # Check if CHIPFLOW_BACKEND_VERSION exists in the environment and add it to the data dictionary
+        chipflow_backend_version = os.environ.get("CHIPFLOW_BACKEND_VERSION")
+        if chipflow_backend_version:
+            data["chipflow_backend_version"] = chipflow_backend_version
 
         pads = {}
         for iface, port in self.platform._ports.items():