different approach

Author: Guy Davenport

.github/workflows/generate.yml

@@ -71,11 +71,11 @@ jobs:
       - name: Set up R
         uses: r-lib/actions/setup-r@v2
 
-      - name: Install devtools
-        working-directory: ./main/pkg
-        run: |
-          Rscript -e "install.packages(c('usethis', 'pkgdown', 'rcmdcheck', 'rversions', 'urlchecker'), repos = 'https://cloud.r-project.org')"
-          Rscript -e "install.packages('devtools', repos = 'https://cloud.r-project.org')"
+      - name: Install packages
+        uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          packages: |
+            any::devtools 
 
       - name: Run devtools::check
         working-directory: ./main/pkg