# Copyright (c) 2021 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
# SPDX-License-Identifier: Apache-2.0

steps:
- bash: |
    set -euo pipefail
    # Location of the disk cache for CI servers set in their init files:
    # infra/macos/2-common-box/init.sh:echo "build:darwin --disk_cache=~/.bazel-cache" > ~/.bazelrc
    # infra/vsts_agent_linux_startup.sh:echo "build:linux --disk_cache=~/.bazel-cache" > ~/.bazelrc

    # Linux machines don't seem to recover when this script fails, and they get
    # renewed by the instance_group
    if [ "$(uname -s)" == "Linux" ]; then
        trap "shutdown -h now" EXIT
    fi

    if [ $(df -m . | sed 1d | awk '{print $4}') -lt 50000 ]; then
        echo "Disk full, cleaning up..."
        disk_cache="$HOME/.bazel-cache"
        rm -rf "$disk_cache"
        echo "removed '$disk_cache'"
        local_cache="$HOME/.cache/bazel"
        if [ -d "$local_cache" ]; then
            for pid in $(pgrep -a -f bazel | awk '{print $1}'); do
                kill -s KILL $pid
            done
            chmod -R +w "$local_cache"
            rm -rf "$local_cache"
            echo "removed '$local_cache'"
        fi
    fi
    df -h .
    trap - EXIT
  displayName: clean-up disk cache