Gemini: back to overwriting R binary, but using R.home() for subprocesses too

Author: MichaelChirico

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

@@ -100,6 +100,21 @@ jobs:
         with:
           r-version: ${{ matrix.r }}
 
+      - name: Override R for locale-specific check
+        if: matrix.os == 'ubuntu-latest' && !contains(matrix.locale, 'utf8')
+        run: |
+          R_BIN_DIR=$(Rscript -e 'cat(R.home("bin"))')
+          for bin in R Rscript; do
+            target="${R_BIN_DIR}/${bin}"
+            sudo mv "$target" "${target}.orig"
+            sudo tee "$target" << EOF
+          #!/bin/bash
+          set -o pipefail
+          exec "${target}.orig" "\$@" 2>&1 | iconv -c -t UTF-8
+          EOF
+            sudo chmod +x "$target"
+          done
+
       - name: Set script permissions
         run: chmod +x configure cleanup 2>/dev/null || true # Silence some GHA Annotations
         shell: bash
@@ -190,7 +205,7 @@ jobs:
               stop("R CMD check failed")
             }
           }
-        shell: bash -c 'set -o pipefail; Rscript {0} 2>&1 | iconv -c -t UTF-8'
+        shell: Rscript {0}
 
       - name: Upload check results
         if: failure()