feat: make cache key consistent (and configurable) (#38)

.github/workflows/integration-README.md

@@ -7,7 +7,7 @@ A Github Workflow that runs the Integration Tests of a Magento Package
 See the [integration.yaml](./integration.yaml)
 
 | Input              | Description                                                                                                                                     | Required | Default                       |
-| ------------------ | ------------------------------------------------------------- | -------- | ----------------------------- |
+| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------- | -------- | ----------------------------- |
 | matrix             | JSON string of [version matrix for Magento](./#matrix-format)                                                                                   | true     | NULL                          |
 | fail-fast          | Same as Github's [fail-fast](https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstrategyfail-fast) | false    | true                          |
 | package_name       | The name of the package                                                                                                                         | true     | NULL                          |
@@ -15,6 +15,7 @@ See the [integration.yaml](./integration.yaml)
 | magento_directory  | The folder where Magento will be installed                                                                                                      | false    | ../magento2                   |
 | magento_repository | Where to install Magento from                                                                                                                   | false    | https://mirror.mage-os.org/   |
 | test_command       | The integration test command to run                                                                                                             | false    | "../../../vendor/bin/phpunit" |
+| composer_cache_key | A key to version the composer cache. Can be incremented if you need to bust the cache.                                                          | false    | ""                            |
 
 ## Secrets
 | Input         | Description                                                                                                                             | Required | Default |

.github/workflows/integration.yaml

@@ -41,6 +41,12 @@ on:
         default: ../../../vendor/bin/phpunit
         description: "The integration test command to run"
 
+      composer_cache_key:
+        type: string
+        required: false
+        default: ''
+        description: A key to version the composer cache. Can be incremented if you need to bust the cache.
+
     secrets:
       composer_auth:
         required: false
@@ -117,7 +123,7 @@ jobs:
     - name: "Cache Composer Packages"
       uses: actions/cache@v3
       with:
-        key: 'composer | v3 | "$(Agent.OS)"  | composer.lock | ${{ matrix.composer }} | ${{ matrix.php }} | ${{ matrix.magento }}' 
+        key: "composer | v4 | ${{ inputs.composer_cache_key }} | ${{ hashFiles('composer.lock') }} | ${{ matrix.os }} | ${{ matrix.composer }} | ${{ matrix.php }} | ${{ matrix.magento }}"
         path: ${{ steps.composer-cache.outputs.dir }}
 
     - run: composer config repositories.local path ${{ inputs.source_folder }}

installation-test/action.yml

@@ -42,6 +42,11 @@ inputs:
     default: "https://mirror.mage-os.org/"
     description: "Where to install Magento from"
 
+  composer_cache_key:
+    required: false
+    default: ''
+    description: A key to version the composer cache. Can be incremented if you need to bust the cache.
+  
   composer_auth:
     required: false
     description: "Composer Authentication Credentials"
@@ -74,7 +79,7 @@ runs:
     - name: "Cache Composer Packages"
       uses: actions/cache@v3
       with:
-        key: 'composer | v3 | "$(Agent.OS)"  | composer.lock | ${{ inputs.composer_version }} | ${{ inputs.php_version }} | ${{ inputs.magento_version }}' 
+        key: "composer | v4 | ${{ inputs.composer_cache_key }} | ${{ hashFiles('composer.lock') }} | ${{ runner.os }} | ${{ inputs.composer_version }} | ${{ inputs.php_version }} | ${{ inputs.magento_version }}"
         path: ${{ steps.composer-cache.outputs.dir }}
 
     - run: composer config repositories.local path ${{ inputs.source_folder }}

unit-test/action.yml

@@ -39,7 +39,7 @@ runs:
     - name: "Cache Composer Packages"
       uses: actions/cache@v3
       with:
-        key: 'composer | v3 | "$(Agent.OS)"  | composer.lock | ${{ inputs.php_version }}' 
+        key: "composer | v3 | ${{ hashFiles('composer.lock') }} | ${{ runner.os }} | ${{ inputs.php_version }}"
         path: ${{ steps.composer-cache.outputs.dir }}
 
     - run: composer install