update 2

.github/workflows/pkgdown.yaml

@@ -7,12 +7,17 @@ name: pkgdown
 
 jobs:
   pkgdown:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     env:
+      RSPM: https://packagemanager.rstudio.com/cran/__linux__/bionic/latest
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
     steps:
       - uses: actions/checkout@v2
 
+      - uses: r-lib/actions/setup-r@v1
+        id: install-r
+
       - uses: r-lib/actions/setup-pandoc@v1
 
       - name: Install pak and query dependencies
@@ -22,16 +27,30 @@ jobs:
           saveRDS(pak::pkg_deps("local::.", dependencies = TRUE), ".github/r-depends.rds")
         shell: Rscript {0}
 
-      - uses: r-lib/actions/setup-r@v1
+      - name: Cache R packages
+        uses: actions/cache@v2
         with:
-          use-public-rspm: true
+          path: ${{ env.R_LIBS_USER }}
+          key: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
+          restore-keys: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-
 
-      - uses: r-lib/actions/setup-r-dependencies@v1
-        with:
-          extra-packages: pkgdown
-          needs: website
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          pak::local_system_requirements(execute = TRUE)
+          pak::pkg_system_requirements("pkgdown", execute = TRUE)
+        shell: Rscript {0}
 
-      - name: Deploy package
+      - name: Install dependencies
+        run: |
+          pak::local_install_dev_deps(upgrade = TRUE)
+          pak::pkg_install("r-lib/pkgdown")
+        shell: Rscript {0}
+
+      - name: Install package
+        run: R CMD INSTALL .
+
+      - name: Build and deploy pkgdown site
         run: |
           git config --local user.name "$GITHUB_ACTOR"
           git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com"