.travis.yml in pg_ha_migrations-1.2.3 vs .travis.yml in pg_ha_migrations-1.2.4

@@ -1,24 +1,23 @@
 sudo: false
 language: ruby
 rvm:
   - 2.5
-global:
-  env:
-    PGPORT: 5433
 env:
-  - PGVERSION: "9.6"
-  - PGVERSION: "10"
-  - PGVERSION: "11"
-  - PGVERSION: "12"
+  jobs:
+    - PGVERSION: "9.6"
+    - PGVERSION: "10"
+    - PGVERSION: "11"
+    - PGVERSION: "12"
 services:
   - postgresql
 before_install:
-  - sudo service postgresql stop
+  - "for CLUSTER_VERSION in $(pg_lsclusters -h | cut -d' ' -f1); do sudo pg_dropcluster $CLUSTER_VERSION main --stop || true; done"
   - sudo apt-get update
   - sudo apt-get -y install postgresql-$PGVERSION postgresql-client-$PGVERSION postgresql-server-dev-$PGVERSION postgresql-client-common postgresql-common
-  - if [ $PGVERSION != '9.6' ]; then sudo cp /etc/postgresql/{9.6,$PGVERSION}/main/pg_hba.conf; fi
-  - sudo service postgresql restart $PGVERSION
+  - sudo pg_dropcluster $PGVERSION main --stop || true
+  - sudo pg_createcluster $PGVERSION main -D /var/ramfs/postgresql/11/main -- --auth=trust
+  - sudo pg_ctlcluster start $PGVERSION main
   - gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
   - gem install bundler -v 1.15.4
 gemfile:
   - gemfiles/rails_5.0.gemfile
   - gemfiles/rails_5.1.gemfile