style-and-lint.yaml

# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
# Only run when PR is opened to the main branch, and changes are made to these types of R files
on:
  pull_request:
    paths: ["**.[rR]", "**.[rR]md", "**.[rR]markdown", "**.[rR]nw"]
    branches: [main]

name: Style and Lint

jobs:
  # First run styler and push style changes to feature branch
  style:
    runs-on: ubuntu-latest
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@c0a81a463886bb75afe234e07a9fd5bb79219196
        with:
          fetch-depth: 0

      - name: Setup R
        uses: r-lib/actions/setup-r@52330cc136b963487918a8867f948ddf954e9e63
        with:
          use-public-rspm: true

      - name: Install dependencies
        uses: r-lib/actions/setup-r-dependencies@52330cc136b963487918a8867f948ddf954e9e63
        with:
          extra-packages: any::styler
          needs: styler

      - name: Enable styler cache
        run: styler::cache_activate()
        shell: Rscript {0}

      - name: Determine cache location
        id: styler-location
        run: |
          cat(
            "##[set-output name=location;]",
            styler::cache_info(format = "tabular")$location,
            "\n",
            sep = ""
          )
        shell: Rscript {0}

      - name: Cache styler
        uses: actions/cache@v2
        with:
          path: ${{ steps.styler-location.outputs.location }}
          key: ${{ runner.os }}-styler-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-styler-
            ${{ runner.os }}-

      - name: Run styler on all files containing R code
        run: styler::style_pkg(filetype = c(".R", ".Rmd", ".Rmarkdown", ".Rnw"))
        shell: Rscript {0}

      - name: Commit and push changes
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Style Code

  # Next run lintr to annotate the PR with anything caught by the linter that wasn't changed by styler
  lint:
    runs-on: ubuntu-latest
    env:
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@c0a81a463886bb75afe234e07a9fd5bb79219196

      - uses: r-lib/actions/setup-r@52330cc136b963487918a8867f948ddf954e9e63
        with:
          use-public-rspm: true

      - name: Install lintr
        run: install.packages("lintr")
        shell: Rscript {0}

      - name: Run lintr on the package
        run: lintr::lint_package()
        shell: Rscript {0}