Travis: Move back to barebone travis and test with PG12

.travis.yml

@@ -1,11 +1,43 @@
-language: generic
+language: c
 sudo: required
+
 env:
-  matrix:
-    - DOCKER_IMAGE=carto/postgresql10:latest
-    - DOCKER_IMAGE=carto/postgresql11:latest
-services:
-  - docker
-before_install: docker pull ${DOCKER_IMAGE}
+  global:
+    - PGUSER=postgres
+    - PGDATABASE=postgres
+    - PGOPTIONS='-c client_min_messages=NOTICE'
+
+jobs:
+  include:
+    - env: POSTGRESQL_VERSION="9.6" POSTGIS_VERSION="2.5"
+      dist: xenial
+    - env: POSTGRESQL_VERSION="10" POSTGIS_VERSION="2.5"
+      dist: xenial
+    - env: POSTGRESQL_VERSION="11" POSTGIS_VERSION="2.5"
+      dist: xenial
+    - env: POSTGRESQL_VERSION="12" POSTGIS_VERSION="2.5"
+      dist: bionic
+    - env: POSTGRESQL_VERSION="12" POSTGIS_VERSION="3"
+      dist: bionic
+
 script:
-  - ./scripts/ci/docker-test.sh ${DOCKER_IMAGE}
+  - sudo apt-get install -y --allow-unauthenticated --no-install-recommends --no-install-suggests postgresql-$POSTGRESQL_VERSION postgresql-client-$POSTGRESQL_VERSION postgresql-server-dev-$POSTGRESQL_VERSION postgresql-common
+  - if [[ $POSTGRESQL_VERSION == '9.6' ]]; then sudo apt-get install -y postgresql-contrib-9.6; fi;
+  - sudo apt-get install -y --allow-unauthenticated postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION postgresql-$POSTGRESQL_VERSION-postgis-$POSTGIS_VERSION-scripts postgis
+  # For pre12, install plpython2. For PG12 install plpython3
+  - if [[ $POSTGRESQL_VERSION != '12' ]]; then sudo apt-get install -y postgresql-plpython-$POSTGRESQL_VERSION python python-redis; else sudo apt-get install -y postgresql-plpython3-12 python3 python3-redis; fi;
+  - sudo pg_dropcluster --stop $POSTGRESQL_VERSION main
+  - sudo rm -rf /etc/postgresql/$POSTGRESQL_VERSION /var/lib/postgresql/$POSTGRESQL_VERSION /var/ramfs/postgresql/$POSTGRESQL_VERSION
+  - sudo pg_createcluster -u postgres $POSTGRESQL_VERSION main --start -- --auth-local trust --auth-host password
+  - export PGPORT=$(pg_lsclusters | grep $POSTGRESQL_VERSION | awk '{print $3}')
+  - cd src/pg/
+  - make
+  - sudo make install
+  - make installcheck
+
+after_failure:
+  - pg_lsclusters
+  - cat test/regression.out
+  - cat test/regression.diffs
+  - echo $PGPORT
+  - sudo cat /var/log/postgresql/postgresql-$POSTGRESQL_VERSION-main.log