merge mega-linter job to allow run on job condition

Author: llaville

.github/workflows/mega-linter.yml

@@ -1,13 +1,60 @@
 name: TestListener
 
 on:
-    push:
-        branches:
-            - master
+    # Trigger mega-linter at every push. Action will also be visible from Pull Requests to master
+    push: # Comment this line to trigger action only on pull-requests (not recommended if you don't pay for GH Actions)
     pull_request:
+        branches: [master]
 
 jobs:
+    # Cancel duplicate jobs: https://github.com/fkirc/skip-duplicate-actions#option-3-cancellation-only
+    cancel_duplicates:
+        name: Cancel duplicate jobs
+        runs-on: ubuntu-18.04
+        steps:
+            -   # Cancellation of previous workflow runs
+                uses: fkirc/skip-duplicate-actions@master
+                with:
+                    github_token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
+                    cancel_others: true
+
+    lint_files:
+        name: Mega-Linter
+        runs-on: ubuntu-18.04
+        steps:
+            -   # Git Checkout
+                name: Checkout Code
+                uses: actions/checkout@v2
+                with:
+                    token: ${{ secrets.PAT || secrets.GITHUB_TOKEN }}
+                    fetch-depth: 0
+
+            -   # Install dependencies
+                name: Install Composer dependencies
+                uses: "ramsey/composer-install@v1"
+                with:
+                    dependency-versions: "highest"
+                    composer-options: "--prefer-dist"
+
+            -   # Mega-Linter
+                name: Mega-Linter
+                id: ml
+                  # You can override Mega-Linter flavor used to have faster performances
+                # More info at https://nvuillam.github.io/mega-linter/flavors/
+                uses: nvuillam/mega-linter/flavors/php@v4
+                env:
+                    # All available variables are described in documentation
+                    # https://nvuillam.github.io/mega-linter/configuration/
+                    # Validates all source when push on master, else just the git diff with master. Override with true if you always want to lint all sources
+                    VALIDATE_ALL_CODEBASE: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
+                    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+                    # ADD YOUR CUSTOM ENV VARIABLES HERE OR DEFINE THEM IN A FILE .mega-linter.yml AT THE ROOT OF YOUR REPOSITORY
+                    # DISABLE: COPYPASTE,SPELL # Uncomment to disable copy-paste and spell checks
+                    LOG_LEVEL: "debug"
+
     testlistener:
+        needs: lint_files
+
         runs-on: ${{ matrix.os }}
 
         strategy: