feat: optional MySQL/MariaDB database driver for deployments that cannot use local SQLite

Taskfile.yml

@@ -10,6 +10,7 @@ vars:
 
 env:
   CGO_ENABLED: '0'
+  __COMPAT_LAYER: RunAsInvoker
 
 tasks:
   default:
@@ -46,6 +47,46 @@ tasks:
     cmds:
       - go test -tags nofrontend ./test/... -count=1 {{.CLI_ARGS}}
 
+  test:mysql:
+    desc: Run the MySQL tests against real servers (mysql:8.4 then mariadb:11 in Docker, removed afterwards)
+    cmds:
+      - cmd: |
+          PASSWORD=renewcms-test-root
+          STATUS=0
+          run_engine() {
+            NAME="renewcms-test-$1"
+            IMAGE="$2"
+            docker rm -f "$NAME" >/dev/null 2>&1
+            docker run -d --name "$NAME" -e MYSQL_ROOT_PASSWORD="$PASSWORD" -p 127.0.0.1::3306 "$IMAGE" >/dev/null || return 1
+            MAPPING="$(docker port "$NAME" 3306/tcp)"
+            PORT="${MAPPING##*:}"
+            READY=no
+            TRIES=0
+            while [ "$TRIES" -lt 90 ]; do
+              if docker exec "$NAME" sh -c "\$(command -v mariadb || command -v mysql) -h127.0.0.1 -uroot -p$PASSWORD -e 'SELECT 1'" >/dev/null 2>&1; then
+                READY=yes
+                break
+              fi
+              TRIES=$((TRIES + 1))
+              sleep 2
+            done
+            if [ "$READY" != yes ]; then
+              echo "$IMAGE did not become ready" >&2
+              docker logs "$NAME" 2>&1 | tail -n 20 >&2
+              docker rm -f "$NAME" >/dev/null 2>&1
+              return 1
+            fi
+            echo "== $IMAGE on 127.0.0.1:$PORT"
+            RENEWCMS_TEST_MYSQL_DSN="root:$PASSWORD@tcp(127.0.0.1:$PORT)/mysql" go test -tags nofrontend ./test/... -run MySQL -count=1 {{.CLI_ARGS}}
+            RESULT=$?
+            docker rm -f "$NAME" >/dev/null 2>&1
+            return $RESULT
+          }
+          run_engine mysql mysql:8.4 || STATUS=1
+          run_engine mariadb mariadb:11 || STATUS=1
+          exit $STATUS
+        silent: true
+
   cover:
     desc: Go test coverage of the use cases → tmp/coverage.out
     cmds: