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Metahook Buildkite Plugin

A Buildkite plugin that allows running additional commands as buildkite hooks on a per-step basis.

Example

common: &common
  plugins:
  - improbable-eng/metahook:
      post-checkout: scripts/setup.sh
      pre-exit: |
        scripts/cleanup.sh
        echo "Step finished!"
        scripts/notify.sh

steps:
  - label: "Build"
    command: "scripts/build.sh"
    <<: *common

  - label: "Test"
    command: "scripts/test.sh"
    <<: *common

Metahooks execute via a bash script, searching your PATH for bash.

Metahooks execute in Bash Strict Mode.

Bash Strict Mode is provided by

  • set -o errexit - halt on error
  • set -o nounset - halt if variable is unset
  • set -o pipefail - halt if a command inside a pipe fails

You can override those choices by setting different values (e.g. set +o nounset) within your metahook.

Contributing

See contributing