1 files changed, 42 insertions, 0 deletions
diff --git a/taskcluster/gecko_taskgraph/transforms/release_flatpak_repackage.py b/taskcluster/gecko_taskgraph/transforms/release_flatpak_repackage.py
new file mode 100644
index 0000000000..7af1134c3a
--- /dev/null
+++ b/taskcluster/gecko_taskgraph/transforms/release_flatpak_repackage.py
@@ -0,0 +1,42 @@
+# 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
+from taskgraph.util.schema import resolve_keyed_by
+
+from gecko_taskgraph.util.attributes import release_level
+from gecko_taskgraph.util.scriptworker import get_release_config
+
+transforms = TransformSequence()
+
+
+@transforms.add
+def format(config, tasks):
+    """Apply format substitution to worker.env and worker.command."""
+
+    format_params = {
+        "release_config": get_release_config(config),
+        "config_params": config.params,
+    }
+
+    for task in tasks:
+        format_params["task"] = task
+
+        command = task.get("worker", {}).get("command", [])
+        task["worker"]["command"] = [x.format(**format_params) for x in command]
+
+        env = task.get("worker", {}).get("env", {})
+        for k in env.keys():
+            resolve_keyed_by(
+                env,
+                k,
+                "flatpak envs",
+                **{
+                    "release-level": release_level(config.params["project"]),
+                    "project": config.params["project"],
+                }
+            )
+            task["worker"]["env"][k] = env[k].format(**format_params)
+
+        yield task