Merge pull request #539 from Bisaloo/disable-cache-option

setup-r-dependencies/README.md

@@ -13,8 +13,11 @@ This action install dependencies for the current R environment based on the DESC
 
 Inputs available
 
+- `cache` - default `true`. Whether packages should be cached across runs or 
+  not.
 - `cache-version` - default `1`. If you need to invalidate the existing
-  cache pass any other number and a new cache will be used.
+  cache pass any other number and a new cache will be used. Ignored if 
+  `cache: false`.
 - `dependencies` - default `'"all"'`. Types of dependencies to install. By
   default all direct dependencies of the current package are installed, and
   hard dependencies of these direct dependencies. See also the `needs` and

setup-r-dependencies/action.yaml

@@ -2,8 +2,12 @@ name: 'setup-r-dependencies'
 description: 'Action to setup installation tools and install R dependencies'
 author: 'Jim Hester'
 inputs:
+  cache:
+    description: 'A boolen value indicating whether packages should be cached from one to the other'
+    required: true
+    default: true
   cache-version:
-    description: 'The version of the cache, change this from the default (1) to start over with a fresh cache'
+    description: 'The version of the cache, change this from the default (1) to start over with a fresh cache. Ignored if cache: false'
     required: true
     default: 1
   extra-packages:
@@ -53,6 +57,7 @@ runs:
         working-directory: ${{ inputs.working-directory }}
 
       - name: Restore R package cache
+        if: inputs.cache == 'true'
         uses: actions/cache@v2
         with:
           path: |