gistfile1.txt

test_skip: &test_skip
  name: test skip check
  command: |
    if git log -1 | grep '\[test skip\]'; then
      echo "skipping tests"
      exit 1
    fi

version: 2
  jobs:
    foo:
    <<: *defaults
    steps:
      - checkout
      - run:
          <<: *test_skip