download.sh

#!/bin/bash

set -ux

mkdir -p logs
buildkite-agent artifact search "*" -format "%j %p %c %s %S\\n"
buildkite-agent artifact download --step ":rspec: 0" logs/the-time.txt logs
shasum -a 1 logs/the-time.txt

pipeline.yml

  steps:
    - label: ":rspec: %n"
      command: "run.sh"
      parallelism: 2
      artifact_paths: "logs/*.txt;out/*.apk"
    - wait
    - command: "download.sh"

run.sh

#!/bin/bash

set -ux

mkdir -p logs
date >> logs/the-time.txt

if [[ "$BUILDKITE_RETRY_COUNT" == "0" ]]; then
  exit 1
else
  exit 0
fi

upload-pipeline.sh

buildkite-agent pipeline upload pipeline.yml