ci: add Moodle Plugin CI workflow

.github/workflows/moodle-ci.yaml

@@ -0,0 +1,132 @@
+# Modified from https://github.com/moodlehq/moodle-plugin-ci/blob/198ee6c2b36eddba6c3ccac560f50396792c1b47/gha.dist.yml
+
+name: Moodle Plugin CI
+
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+
+jobs:
+    test:
+        runs-on: ubuntu-22.04
+
+        services:
+            mariadb:
+                image: mariadb:10
+                env:
+                    MYSQL_USER: "root"
+                    MYSQL_ALLOW_EMPTY_PASSWORD: "true"
+                    MYSQL_CHARACTER_SET_SERVER: "utf8mb4"
+                    MYSQL_COLLATION_SERVER: "utf8mb4_unicode_ci"
+                ports:
+                    - 3306:3306
+                options: --health-cmd="mysqladmin ping" --health-interval 10s --health-timeout 5s --health-retries 3
+
+        strategy:
+            fail-fast: false
+            matrix:
+                php: ["8.3", "8.4"]
+                moodle-branch:
+                    [
+                        "MOODLE_405_STABLE",
+                        "MOODLE_500_STABLE",
+                        "MOODLE_501_STABLE",
+                        "MOODLE_502_STABLE",
+                    ]
+                database: [mariadb]
+                exclude:
+                    - moodle-branch: MOODLE_405_STABLE
+                      php: "8.4"
+
+        steps:
+            - name: Check out repository code
+              # actions/checkout@v4.3.1
+              uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5
+              with:
+                  path: plugin
+                  persist-credentials: false
+
+            - name: Setup PHP ${{ matrix.php }}
+              # shivammathur/setup-php@v2
+              uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240
+              with:
+                  php-version: ${{ matrix.php }}
+                  extensions: mysqli,pdo_mysql,pdo_sqlite
+                  ini-values: max_input_vars=5000
+                  coverage: none
+
+            - name: Initialise moodle-plugin-ci
+              run: |
+                  composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^4
+                  echo $(cd ci/bin; pwd) >> $GITHUB_PATH
+                  echo $(cd ci/vendor/bin; pwd) >> $GITHUB_PATH
+                  sudo locale-gen en_AU.UTF-8
+                  echo "NVM_DIR=$HOME/.nvm" >> $GITHUB_ENV
+
+            - name: Install moodle-plugin-ci
+              run: moodle-plugin-ci install --plugin ./plugin --db-host=127.0.0.1
+              env:
+                  DB: ${{ matrix.database }}
+                  MOODLE_BRANCH: ${{ matrix.moodle-branch }}
+                  IGNORE_PATHS: "vendor"
+
+            - name: PHP Lint
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci phplint
+
+            - name: PHP Mess Detector
+              continue-on-error: true
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci phpmd
+
+            - name: Moodle Code Checker
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci phpcs --max-warnings 0
+
+            - name: Moodle PHPDoc Checker
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci phpdoc --max-warnings 0
+              continue-on-error: true
+              env:
+                  MDL_LOCAL_DEVKIT_DISABLE: 1
+
+            - name: Validating
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci validate
+
+            - name: Check upgrade savepoints
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci savepoints
+
+            - name: Mustache Lint
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci mustache
+
+            - name: Grunt
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci grunt --max-lint-warnings 0
+
+            - name: PHPUnit tests
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci phpunit --fail-on-warning
+
+            - name: Behat features
+              id: behat
+              if: ${{ !cancelled() }}
+              run: moodle-plugin-ci behat --profile chrome --scss-deprecations
+
+            - name: Upload Behat Faildump
+              if: ${{ failure() && steps.behat.outcome == 'failure' }}
+              # actions/upload-artifact@v4.6.2
+              uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+              with:
+                  name: Behat Faildump (${{ matrix.php }}, ${{ matrix.moodle-branch }}, ${{ matrix.database }})
+                  path: ${{ github.workspace }}/moodledata/behat_dump
+                  retention-days: 7
+                  if-no-files-found: ignore
+
+            - name: Mark cancelled jobs as failed.
+              if: ${{ cancelled() }}
+              run: exit 1