1 files changed, 53 insertions, 0 deletions
diff --git a/taskcluster/taskgraph/transforms/release_generate_checksums.py b/taskcluster/taskgraph/transforms/release_generate_checksums.py
new file mode 100644
index 0000000000..db273bc87e
--- /dev/null
+++ b/taskcluster/taskgraph/transforms/release_generate_checksums.py
@@ -0,0 +1,53 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+"""
+Transform the checksums task into an actual task description.
+"""
+
+from __future__ import absolute_import, print_function, unicode_literals
+import copy
+
+from taskgraph.transforms.base import TransformSequence
+from taskgraph.util.scriptworker import get_release_config
+from taskgraph.util.schema import resolve_keyed_by
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+transforms = TransformSequence()
+
+
+@transforms.add
+def handle_keyed_by(config, jobs):
+    """Resolve fields that can be keyed by project, etc."""
+    fields = [
+        "run.config",
+        "run.extra-config",
+    ]
+    for job in jobs:
+        job = copy.deepcopy(job)
+        for field in fields:
+            resolve_keyed_by(
+                item=job,
+                field=field,
+                item_name=job["name"],
+                **{"release-level": config.params.release_level()}
+            )
+        yield job
+
+
+@transforms.add
+def interpolate(config, jobs):
+    release_config = get_release_config(config)
+    for job in jobs:
+        mh_options = list(job["run"]["options"])
+        job["run"]["options"] = [
+            option.format(
+                version=release_config["version"],
+                build_number=release_config["build_number"],
+            )
+            for option in mh_options
+        ]
+        yield job