Support Gradle tasks

.github/workflows/cmd.yml

@@ -99,6 +99,17 @@ jobs:
         id: coursier-cache
         uses: coursier/cache-action@v6
 
+      # Inspired by https://github.com/actions/setup-java/blob/45058d7f99afcd22834b58fde7cbfb7075eb48a2/src/cache.ts#L30-L44
+      - name: Gradle Cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties', 'gradle/*.versions.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
       - name: Custom Cache
         uses: actions/cache@v3
         if: ${{ inputs.cache-key != '' && inputs.cache-path != '' }}

.github/workflows/gradle-wrapper-validation.yml

@@ -0,0 +1,24 @@
+name: Gradle Wrapper Validation
+
+on:
+  workflow_call:
+    inputs:
+      ref:
+        type: string
+        required: false
+        default: ''
+
+jobs:
+  cmd:
+    name: Gradle Wrapper Validation
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          # we don't know what commit the last tag was it's safer to get entire repo so previousStableVersion resolves
+          fetch-depth: 0
+          ref: ${{ inputs.ref }}
+
+      - name: Gradle Wrapper Validation
+        uses: gradle/wrapper-validation-action@v1

README.md

@@ -20,6 +20,7 @@ This repository contains a few configurations of GitHub features. For example a
 * [Universal CMD task](#universal-cmd-task)
 * [Publishing to Sonatype](#publishing-to-sonatype)
 * [Validate Binary Compatibility](#validate-binary-compatibility)
+* [Validate Gradle Wrapper](#validate-gradle-wrapper)
 * [Mark Pull Request as Ready To Merge](#mark-pull-request-as-ready-to-merge)
 * [Generate documentation with Antora](#generate-documentation-with-antora)
 
@@ -126,6 +127,29 @@ This workflow is used for validate binary compatibility the current version.
 uses: playframework/.github/.github/workflows/binary-check.yml@v3
 ```
 
+### Validate Gradle Wrapper
+
+This workflow is used to validate the checksums of [Gradle Wrapper](https://docs.gradle.org/current/userguide/gradle_wrapper.html) JAR files present in the source tree and fails if unknown Gradle Wrapper JAR files are found.
+
+**Path**: [`.github/workflows/gradle-wrapper-validation.yml`](.github/workflows/gradle-wrapper-validation.yml)
+
+**Image**: [Ubuntu 20.04](https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2004-Readme.md)
+
+**Uses actions**:
+* [Gradle/Wrapper Validation Action](https://github.com/gradle/wrapper-validation-action)
+
+**Parameters**:
+
+| Parameter              | Since | Required           | Default | Description                     | 
+|------------------------|-------|--------------------|---------|---------------------------------|
+| ref                    | 3.3.0 | :heavy_minus_sign: | ''      | Branch, tag or SHA for checkout |
+
+**How to use**:
+
+```yaml
+uses: playframework/.github/.github/workflows/gradle-wrapper-validation.yml@v3
+```
+
 ### Mark Pull Request as Ready To Merge
 
 This workflow is used for mark pull request as ready to merge and **should be last** in the workflows chain.