rollback workflow

.github/workflows/r.yml

@@ -1,3 +1,5 @@
+# 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:
   push:
     branches: [main, master]
@@ -9,7 +11,9 @@ name: R-CMD-check
 jobs:
   R-CMD-check:
     runs-on: ${{ matrix.config.os }}
+
     name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
     strategy:
       fail-fast: false
       matrix:
@@ -23,15 +27,27 @@ jobs:
       R_KEEP_PKG_SOURCE: yes
 
     steps:
+
+      # pandoc is needed if there are vignettes
+      # - uses: actions/checkout@v2
+      # - uses: r-lib/actions/setup-tinytex@v2
+      # - run: tlmgr --version
+
+      # - uses: r-lib/actions/setup-pandoc@v2
+
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
+          # ghostscript is needed for Windows (with vignettes)
+          # install-ghostscript: true          
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
           extra-packages: any::rcmdcheck
+          needs: check
 
       - uses: r-lib/actions/check-r-package@v2
         with:
-          upload-snapshots: true
+          upload-snapshots: true