Use the latest version of sccache if no version is specified

.github/workflows/CI.yml

@@ -37,15 +37,18 @@ jobs:
       - name: Build & Test
         run: npm run test
 
-  test_v0_4_0:
-    name: Test version 0.4.0
+  test:
+    name: Test version
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os:
           - ubuntu-latest
           - windows-latest
           - macos-latest
+        version:
+          - ""
+          - v0.4.0
 
     steps:
       - name: Checkout
@@ -63,7 +66,7 @@ jobs:
       - name: Run sccache-cache
         uses: ./
         with:
-          version: "v0.4.0"
+          version: ${{ matrix.version }}
 
       - name: Run sccache for check
         shell: bash

README.md

@@ -12,6 +12,13 @@ https://github.com/marketplace/actions/sccache-action
 
 Just copy and paste the following in your GitHub action:
 
+### Use the latest version of sccache if no version is specified
+
+```
+- name: Run sccache-cache
+  uses: mozilla-actions/sccache-action@v0.0.2
+```
+
 ### Specify a given version of sccache
 
 ```

action.yml

@@ -4,8 +4,10 @@ description: "Setup sccache action"
 author: "mozilla"
 inputs:
   version:
-    description: "The installed sccache version."
-    required: true
+    description: "The installed sccache version. Use the latest version of sccache if not specified."
+  token:
+    description: "Used to pull the latest release from sccache. When running this action outside of github.com, you have to pass a personal access token for github.com."
+    default: ${{ github.server_url == 'https://github.com' && github.token || '' }}
 runs:
   using: "node16"
   main: "dist/setup/index.js"