Add cache input

README.md

@@ -8,15 +8,17 @@ All the sample options below can be combined with each other.
 
 ### Basic usage
 
-The configuration will parse the FVM configuration and use subosito/flutter-action to install the configured Flutter version.
+The configuration will parse the FVM configuration and use subosito/flutter-action to install & cache the configured Flutter version.
 
 ```yaml
     steps:
       - uses: actions/checkout@v4
       - uses: kuhnroyal/flutter-fvm-config-action@v2
         with:
-          # The setup flag will default to true in the next major version (v3)
+          # The setup flag enables installation of the Flutter SDK, will default to true in the next major version (v3)
           setup: true
+          # The cache flag enables caching of the Flutter SDK, default is true - if setup is true
+          cache: true
 ```
 
 ### Basic usage with manual configuration

action.yaml

@@ -10,9 +10,13 @@ inputs:
     required: false
     default: ''
   setup:
-    description: 'Setup Flutter (default: false)'
+    description: 'Setup Flutter via "subosito/flutter-action"? (default: false)'
     required: false
     default: 'false'
+  cache:
+    description: 'Cache Flutter via "subosito/flutter-action"? (default: true - if setup is true)'
+    required: false
+    default: 'true'
 outputs:
   FLUTTER_VERSION:
     description: 'The version of Flutter specified in the fvm configuration file'
@@ -33,7 +37,7 @@ runs:
       uses: subosito/flutter-action@v2
       if: inputs.setup == 'true'
       with:
-        cache: true
+        cache: ${{ inputs.cache }}
         flutter-version: ${{ steps.config-action.outputs.FLUTTER_VERSION }}
         channel: ${{ steps.config-action.outputs.FLUTTER_CHANNEL }}
 branding: