Lint all files for workflow dispatch (#231)

.github/workflows/linter.yaml

@@ -147,6 +147,7 @@ jobs:
           SKIP_INSTRUCTION: "[skip linter]"
 
       - name: Changed files 🖋️
+        if: github.event_name != 'workflow_dispatch'
         id: files
         uses: Ana06/[email protected]
         with:
@@ -155,11 +156,18 @@ jobs:
 
       - name: Lint 🧶
         run: |
+          github_event_name <- "${{ github.event_name }}"
+          cat(paste0("GitHub event name = ", github_event_name, "\n"))
           exclusions_list <- NULL
-          if (!identical("${{ inputs.lint-all-files }}", "true")) {
+          if (!(identical("${{ inputs.lint-all-files }}", "true") || identical(github_event_name, "workflow_dispatch"))) {
             changed_files <- jsonlite::fromJSON('${{ steps.files.outputs.added_modified }}')
             all_files <- list.files(recursive = TRUE)
             exclusions_list <- as.list(setdiff(all_files, changed_files))
+            cat("Linting only changed files:\n")
+            cat(changed_files)
+            cat("\n\n")
+          } else {
+            cat("Linting all files.\n")
           }
           lints <- lintr::lint_package(exclusions = exclusions_list)
           if (length(lints) > 0L) {