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# Install packages we need. Docker must be installed and configured,
# as should Go itself. We just install some extra bits and pieces.
function install_pkgs() {
  while true; do
    if sudo apt-get update && sudo apt-get install -y "$@"; then
      break
    fi
  done
}
install_pkgs make "linux-headers-$(uname -r)" linux-libc-dev \
  graphviz jq curl binutils gnupg gnupg-agent gcc pkg-config \
  apt-transport-https ca-certificates software-properties-common

# Setup for parallelization with PARTITION and TOTAL_PARTITIONS.
export PARTITION=${BUILDKITE_PARALLEL_JOB:-0}
PARTITION=$((${PARTITION}+1)) # 1-indexed, but PARALLEL_JOB is 0-indexed.
export TOTAL_PARTITIONS=${BUILDKITE_PARALLEL_JOB_COUNT:-1}

# Ensure Docker has experimental enabled.
EXPERIMENTAL=$(sudo docker version --format='{{.Server.Experimental}}')
if test "${EXPERIMENTAL}" != "true"; then
  make sudo TARGETS=//runsc:runsc ARGS="install --experimental=true"
  sudo systemctl restart docker
fi

# Helper for benchmarks, based on the branch.
if test "${BUILDKITE_BRANCH}" = "master"; then
  export BENCHMARKS_OFFICIAL=true
else
  export BENCHMARKS_OFFICIAL=false
fi

# Clear existing profiles.
sudo rm -rf /tmp/profile