Bug 1637544: Use sccache on instrumented builds on non-release branches; r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D82485

taskcluster/ci/instrumented-build/kind.yml

@@ -29,6 +29,13 @@ job-defaults:
         actions: [get-secrets, build]
         script: mozharness/scripts/fx_desktop_build.py
         secrets: true
+    use-sccache:
+        by-release-level:
+            production: false
+            staging: true
+    fetches:
+        toolchain:
+            - linux64-sccache
 
 jobs:
     linux-shippable/opt:

taskcluster/taskgraph/transforms/build.py

@@ -167,6 +167,16 @@ def use_profile_data(config, jobs):
         yield job
 
 
+@transforms.add
+def resolve_keys(config, jobs):
+    for job in jobs:
+        resolve_keyed_by(
+            job, 'use-sccache', item_name=job['name'],
+            **{'release-level': config.params.release_level()}
+        )
+        yield job
+
+
 @transforms.add
 def enable_full_crashsymbols(config, jobs):
     """Enable full crashsymbols on jobs with