---
kind: pipeline
type: docker
name: default

steps:
- name: lintr
  image: jupyter/datascience-notebook
  commands:
  - export TAR="/bin/tar"
  - Rscript -e 'devtools::install_github("jimhester/lintr")'
  # Lint the document, printing output.
  - |
    Rscript -e 'lintr::lint_dir(
      path=".", pattern=rex::rex(".", one_of("Rr"), maybe("md"), end)
    )'
  # Return non-zero exit code (no output is printed).
  - |
    Rscript -e 'quit(
      save="no",
      status=length(
        lintr::lint_dir(path=".", pattern=rex::rex(".", one_of("Rr"), maybe("md"), end))
      )
    )'