WIP - testing circle

Author: diogob

.circleci/config.yml

@@ -4,35 +4,55 @@
 #
 version: 2
 jobs:
-  build-test-and-publish:
+  publish:
     docker:
       - image: fpco/stack-build-small:lts
-      - image: postgres:11-alpine
-        environment:
-          POSTGRES_DB: postgres_ws_test
-          POSTGRES_USER: root
     steps:
-      - checkout
-      - restore_cache:
-          name: Restore Cached Dependencies
-          keys:
-            - postgres-websockets-v1-{{ checksum "postgres-websockets.cabal" }}
+      - attach_workspace:
+          at: ws
       - run:
           name: Install curl
           command: apt-get update && apt-get -qq -y install curl libpq-dev
-      - run:
-          name: Download and run hlint
-          command: curl -sSL https://raw.github.com/ndmitchell/hlint/master/misc/run.sh | sh -s .
       - run:
           name: Download ghr
           command: |
             curl -sSLO https://github.com/tcnksm/ghr/releases/download/v0.12.0/ghr_v0.12.0_linux_386.tar.gz
             curl -sSLO https://github.com/tcnksm/ghr/releases/download/v0.12.0/v0.12.0_SHASUMS
             sha256sum --check --ignore-missing v0.12.0_SHASUMS
             tar --strip-components=1 -zxvf ghr_v0.12.0_linux_386.tar.gz ghr_v0.12.0_linux_386/ghr
+      - run:
+          name: Publish Release on GitHub
+          command: |
+            mkdir result
+            cp ws/postgres-websockets.sha256 ws/postgres-websockets ./result/
+            VERSION=$(awk '/^version: / { print $2 };' < ws/postgres-websockets.cabal)
+            ./ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -c ${CIRCLE_SHA1} -delete ${VERSION} ./result/
+
+  build-test:
+    docker:
+      - image: fpco/stack-build:lts-13.14
+      - image: postgres:11-alpine
+        environment:
+          POSTGRES_DB: postgres_ws_test
+          POSTGRES_USER: root
+    steps:
+      - checkout
+      - restore_cache:
+          name: Restore Cached Dependencies
+          keys:
+            - postgres-websockets-v2-{{ checksum "stack.yaml" }}
       - run:
           name: Resolve and update dependencies
           command: stack setup
+      - run:
+          name: Install Cabal and hlint
+          command: stack install --system-ghc --resolver=lts-13.14 Cabal hlint
+      - save_cache:
+          name: Cache Dependencies
+          key: postgres-websockets-v2-{{ checksum "stack.yaml" }}
+          paths:
+            - ".stack"
+            - ".stack-work"
       - run:
           name: Build the dependencies and the library
           command: stack --silent build
@@ -44,28 +64,28 @@ jobs:
           command: stack --silent install
       - run:
           name: Calculate and save checksum
-          command: sha256sum ~/.local/bin/postgres-websockets > /root/postgres-websockets.sha256
+          command: sha256sum ~/.local/bin/postgres-websockets > ~/.local/bin/postgres-websockets.sha256
+      - run:
+          name: Save cabal file to preserve version
+          command: cp postgres-websockets.cabal ~/.local/bin/
       - save_cache:
           name: Cache Dependencies
-          key: postgres-websockets-v1-{{ checksum "postgres-websockets.cabal" }}
+          key: postgres-websockets-v2-{{ checksum "stack.yaml" }}
           paths:
             - ".stack"
             - ".stack-work"
-      - run:
-          name: Publish Release on GitHub
-          command: |
-            mkdir /root/result/
-            cp /root/postgres-websockets.sha256 /root/.local/bin/postgres-websockets /root/result/
-            VERSION=$(awk '/^version: / { print $2 };' < postgres-websockets.cabal)
-            ./ghr -t ${GITHUB_TOKEN} -u ${CIRCLE_PROJECT_USERNAME} -r ${CIRCLE_PROJECT_REPONAME} -c ${CIRCLE_SHA1} -delete ${VERSION} /root/result/
+      - persist_to_workspace:
+          root: ~/.local/bin/
+          paths: 
+            - "postgres-websockets"
+            - "postgres-websockets.sha256"
+            - "postgres-websockets.cabal"
 
 workflows:
   version: 2
   main:
     jobs:
-      - build-test-and-publish:
-          filters:
-            branches:
-              only: master
-            tags:
-              only: /^[\d.]+$/
+      - build-test
+      - publish:
+          requires:
+            - build-test

stack.yaml

@@ -6,4 +6,4 @@ extra-deps:
 - primitive-extras-0.7.1@sha256:23905c57089418b1a2d324cfee3e81bbd5a344a0fa56a827867b2dce275fdb5e
 
 ghc-options:
-  postgres-websockets: -O2 -Wall -fwarn-identities -fno-warn-redundant-constraints
+  postgres-websockets: -Wall -fwarn-identities -fno-warn-redundant-constraints