Manually cache dependencies

.github/workflows/run-tests.yaml

@@ -21,13 +21,31 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      # Set up and cache R dependencies
-      - name: Install and cache R dependencies
+      # Create directories for R libraries if not already present
+      - name: Create R Library Paths
+        run: |
+          mkdir -p /github/home/R/x86_64-pc-linux-gnu-library/4.4
+          mkdir -p renv/library
+
+      # Restore cache for R dependencies
+      - name: Restore R Dependencies Cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            /github/home/R/x86_64-pc-linux-gnu-library/4.4
+            renv/library
+          key: ${{ runner.os }}-r-libs-${{ hashFiles('DESCRIPTION') }}
+          restore-keys: |
+            ${{ runner.os }}-r-libs-
+
+      # Install R dependencies
+      - name: Install R Dependencies
         uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          cache: "always"
+          cache: false
 
-      - name: Debug Paths
+      # Verify library paths
+      - name: Debug R Library Paths
         run: |
           echo "Checking /github/home/R/x86_64-pc-linux-gnu-library/4.4"
           ls -R /github/home/R/x86_64-pc-linux-gnu-library/4.4 || echo "Directory does not exist."
@@ -38,3 +56,12 @@ jobs:
       - name: Run Tests
         run: devtools::test(stop_on_failure = TRUE)
         shell: Rscript {0}
+
+      # Save R dependencies to cache
+      - name: Save R Dependencies Cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            /github/home/R/x86_64-pc-linux-gnu-library/4.4
+            renv/library
+          key: ${{ runner.os }}-r-libs-${{ hashFiles('DESCRIPTION') }}