Add depends_on for all steps when necessary (#2086)
diff --git a/buildkite/bazel-central-registry/bcr_presubmit.py b/buildkite/bazel-central-registry/bcr_presubmit.py
index e0a1ecc..a227976 100755
--- a/buildkite/bazel-central-registry/bcr_presubmit.py
+++ b/buildkite/bazel-central-registry/bcr_presubmit.py
@@ -451,6 +451,14 @@
def upload_jobs_to_pipeline(pipeline_steps):
"""Upload jobs to Buildkite in batches."""
BATCH_SIZE = 2000
+
+ # Make sure all jobs depends on the block step explicitly
+ # if we need multiple batches and the first step is a block step.
+ if len(pipeline_steps) > BATCH_SIZE and "block" in pipeline_steps[0]:
+ pipeline_steps[0]["key"] = "wait_for_approval"
+ for step in pipeline_steps[1:]:
+ step["depends_on"] = "wait_for_approval"
+
for i in range(0, len(pipeline_steps), BATCH_SIZE):
batch = pipeline_steps[i:i + BATCH_SIZE]
# Upload the batch to Buildkite
