try iconv directly on the 'Check' step

Author: MichaelChirico

.github/workflows/R-CMD-check-occasional.yaml

@@ -100,18 +100,6 @@ jobs:
         with:
           r-version: ${{ matrix.r }}
 
-      - name: Override R for locale-specific check
-        if: matrix.os == 'ubuntu-latest' && !contains(matrix.locale, 'utf8')
-        run: |
-          sudo mkdir -p /override
-          sudo tee /override/R << 'EOF'
-          #!/bin/bash
-          set -o pipefail
-          exec $(which R) "$@" 2>&1 | iconv -c -t UTF-8
-          EOF
-          sudo chmod +x /override/R
-          echo "PATH=/override:$PATH" >> $GITHUB_ENV
-
       - name: Set script permissions
         run: chmod +x configure cleanup 2>/dev/null || true # Silence some GHA Annotations
         shell: bash
@@ -202,7 +190,7 @@ jobs:
               stop("R CMD check failed")
             }
           }
-        shell: Rscript {0}
+        shell: bash -c 'set -o pipefail; Rscript {0} 2>&1 | iconv -c -t UTF-8'
 
       - name: Upload check results
         if: failure()