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# 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/.
from taskgraph.transforms.base import TransformSequence
transforms = TransformSequence()
@transforms.add
def add_base_rev(config, tasks):
"""Inject NSS_BASE_REV into coverage tasks so they can generate
diff coverage reports against the base revision."""
for task in tasks:
if task["name"] in ("test-coverage", "fuzz-coverage"):
base_rev = config.params.get("base_rev", "")
if base_rev:
env = task["worker"].setdefault("env", {})
env["NSS_BASE_REV"] = base_rev
yield task