1 files changed, 44 insertions, 0 deletions
diff --git a/taskcluster/gecko_taskgraph/transforms/cross_channel.py b/taskcluster/gecko_taskgraph/transforms/cross_channel.py
new file mode 100644
index 0000000000..bf6d3a3a4f
--- /dev/null
+++ b/taskcluster/gecko_taskgraph/transforms/cross_channel.py
@@ -0,0 +1,44 @@
+# 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/.
+"""
+Build a command to run `mach l10n-cross-channel`.
+"""
+
+
+from pipes import quote as shell_quote
+
+from taskgraph.transforms.base import TransformSequence
+from taskgraph.util.schema import resolve_keyed_by
+
+transforms = TransformSequence()
+
+
+@transforms.add
+def resolve_keys(config, jobs):
+    for job in jobs:
+        for item in ["ssh-key-secret", "run.actions"]:
+            resolve_keyed_by(job, item, item, **{"level": str(config.params["level"])})
+        yield job
+
+
+@transforms.add
+def build_command(config, jobs):
+    for job in jobs:
+        command = [
+            "l10n-cross-channel",
+            "-o",
+            "/builds/worker/artifacts/outgoing.diff",
+            "--attempts",
+            "5",
+        ]
+        ssh_key_secret = job.pop("ssh-key-secret")
+        if ssh_key_secret:
+            command.extend(["--ssh-secret", ssh_key_secret])
+            job.setdefault("scopes", []).append(f"secrets:get:{ssh_key_secret}")
+
+        command.extend(job["run"].pop("actions", []))
+        job.setdefault("run", {}).update(
+            {"using": "mach", "mach": " ".join(map(shell_quote, command))}
+        )
+        yield job