daml/ci/tell-slack-failed.yml

steps:
  - bash: |
      set -euo pipefail
      MESSAGE=$(git log --pretty=format:%s -n1)
      curl -XPOST \
           -i \
           -H 'Content-type: application/json' \
           --data "{\"text\":\"<!here> *FAILED* $(Agent.JobName): <https://dev.azure.com/digitalasset/daml/_build/results?buildId=$(Build.BuildId)|$MESSAGE>\n\"}" \
           $(Slack.URL)
    condition: and(failed(), eq(variables['Build.SourceBranchName'], 'master'))