Update setup to deploy pkgdown website

.github/workflows/pkgdown.yaml

@@ -11,29 +11,32 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
+
       - uses: r-lib/actions/setup-r@master
+
       - uses: r-lib/actions/setup-pandoc@master
 
       - name: Query dependencies
         run: |
           install.packages('remotes')
           saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
+          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
         shell: Rscript {0}
 
       - name: Cache R packages
         uses: actions/cache@v1
         with:
           path: ${{ env.R_LIBS_USER }}
-          key: macOS-r-4.0-1-${{ hashFiles('.github/depends.Rds') }}
-          restore-keys: macOS-r-4.0-1-
+          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
+          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
 
       - name: Install dependencies
         run: |
           install.packages("remotes")
           install.packages("rmarkdown")
           install.packages("ps")
           remotes::install_deps(dependencies = TRUE)
-          remotes::install_dev("pkgdown")
+          install.packages("pkgdown")
         shell: Rscript {0}
 
       - name: Install package
@@ -44,10 +47,12 @@ jobs:
 
       - name: Commit results
         run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "GitHub Actions"
           git commit README.md -m 'Re-build README.Rmd before pkgdown' || echo "No changes to commit"
           git push origin || echo "No changes to commit"
 
 
       - name: Deploy package
-        run: pkgdown::deploy_to_branch(new_process = FALSE)
-        shell: Rscript {0}
+        run: |
+          Rscript -e 'pkgdown::deploy_to_branch(new_process = FALSE)'