add linting action

.github/workflows/lint_changed_files.yaml

@@ -0,0 +1,48 @@
+# 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
+on:
+ pull_request:
+ branches: [main, master]
+
+name: lint-changed-files
+
+concurrency:
+ group: ${{ github.workflow }}-${{ github.ref }}
+ cancel-in-progress: true
+
+jobs:
+ lint-changed-files:
+ runs-on: ubuntu-latest
+ env:
+ GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+ steps:
+ - uses: actions/checkout@v3
+
+ - uses: r-lib/actions/setup-r@v2
+
+ - uses: r-lib/actions/setup-r-dependencies@v2
+ with:
+ extra-packages: |
+ any::gh
+ any::lintr
+ any::purrr
+ needs: check
+
+ - name: Add lintr options
+ run: |
+ cat('\noptions(lintr.linter_file = ".lintr")\n', file = "~/.Rprofile", append = TRUE)
+ shell: Rscript {0}
+
+ - name: Install package
+ run: R CMD INSTALL .
+
+ - name: Extract and lint files changed by this PR
+ run: |
+ files <- gh::gh("GET https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files")
+ changed_files <- purrr::map_chr(files, "filename")
+ all_files <- list.files(recursive = TRUE)
+ exclusions_list <- as.list(setdiff(all_files, changed_files))
+ lintr::lint_package(exclusions = exclusions_list)
+ shell: Rscript {0}
+ env:
+ LINTR_ERROR_ON_LINT: true