Auto merge of #21821 - servo:up, r=SimonSapin

Move etc/ci/taskcluster one level up

.taskcluster.yml

@@ -53,4 +53,4 @@ tasks:
               cd repo &&
               git fetch --depth 1 "$GIT_URL" "$GIT_REF" &&
               git reset --hard "$GIT_SHA" &&
-              python3 etc/ci/taskcluster/decision-task.py
+              python3 etc/taskcluster/decision-task.py

etc/taskcluster/README.md

@@ -40,7 +40,7 @@ to build an arbitrary [task graph].
 ## Servo’s decision task
 
 This repository’s [`.taskcluster.yml`][tc.yml] schedules a single task
-that runs the Python 3 script [`etc/ci/taskcluster/decision-task.py`](decision-task.py).
+that runs the Python 3 script [`etc/taskcluster/decision-task.py`](decision-task.py).
 It is called a *decision task* as it is responsible for deciding what other tasks to schedule.
 
 The Docker image that runs the decision task
@@ -73,7 +73,7 @@ when a `Dockerfile` first line is `% include` followed by a filename,
 that line is replaced with the content of that file.
 
 For example,
-[`etc/ci/taskcluster/docker/build.dockerfile`](docker/build.dockerfile) starts like so:
+[`etc/taskcluster/docker/build.dockerfile`](docker/build.dockerfile) starts like so:
 
 ```Dockerfile
 % include base.dockerfile

etc/taskcluster/decision-task.py

@@ -50,7 +50,7 @@ def linux_tidy_unit():
             ./mach package --dev
             ./mach test-tidy --no-progress --self-test
             python2.7 ./etc/memory_reports_over_time.py --test
-            python3 ./etc/ci/taskcluster/mock.py
+            python3 ./etc/taskcluster/mock.py
             ./etc/ci/lockfile_changed.sh
             ./etc/ci/check_no_panic.sh
         """,
@@ -145,7 +145,7 @@ def wpt_chunk(release_build_task, total_chunks, this_chunk, extra):
 
 def create_run_task(*, build_task, script, **kwargs):
     fetch_build = """
-        ./etc/ci/taskcluster/curl-artifact.sh ${BUILD_TASK_ID} target.tar.gz | tar -xz
+        ./etc/taskcluster/curl-artifact.sh ${BUILD_TASK_ID} target.tar.gz | tar -xz
     """
     kwargs.setdefault("env", {})["BUILD_TASK_ID"] = build_task
     kwargs.setdefault("dependencies", []).append(build_task)

servo-tidy.toml

@@ -69,8 +69,8 @@ files = [
   "./tests/wpt/mozilla/tests/css/pre_with_tab.html",
   "./tests/wpt/mozilla/tests/mozilla/textarea_placeholder.html",
   # Python 3 syntax causes "E901 SyntaxError" when flake8 runs in Python 2
-  "./etc/ci/taskcluster/decision-task.py",
-  "./etc/ci/taskcluster/decisionlib.py",
+  "./etc/taskcluster/decision-task.py",
+  "./etc/taskcluster/decisionlib.py",
 ]
 # Directories that are ignored for the non-WPT tidy check.
 directories = [