package:
  name: bla
  version: "0.1.0"

build:
  number: ${{ 10 if false }}
  noarch: generic
  script:
    env:
      FOO: ${{ some_option }}
    content:
      - if: unix
        then:
          - echo $FOO > $PREFIX/foo.txt
        else:
          - echo %FOO% > %PREFIX%\foo.txt