From 041a9a318b76f6f16cc8b69dfb2f4f059ef28cc7 Mon Sep 17 00:00:00 2001
From: patrick brisbin <pbrisbin@gmail.com>
Date: Fri, 26 Jan 2018 09:16:13 -0500
Subject: [PATCH] Test all supported GHCs & nightly

---
 .circleci/config.yml | 50 ++++++++++++++++++++++++++++++++++----------
 Makefile             | 15 +++++--------
 2 files changed, 44 insertions(+), 21 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index a92a340..50f981c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,20 +1,23 @@
 ---
 version: 2.0
 
-jobs:
-  build:
+references:
+  stack_build: &stack_build
     docker:
       - image: fpco/stack-build:lts
     steps:
       - checkout
       - run:
-          name: Source digest
-          command: git ls-files | xargs md5sum > digest
-
+          name: Digest
+          command: |
+            echo -- "$STACK_ARGUMENTS" > rdigest
+            git ls-files | xargs md5sum > sdigest
       - restore_cache:
           keys:
-            - stack-{{ .Branch }}-{{ checksum "digest" }}
-            - stack-{{ .Branch }}
+            # yamllint disable-line rule:line-length
+            - stack-{{ .Branch }}-{{ checksum "rdigest" }}-{{ checksum "sdigest" }}
+            - stack-{{ .Branch }}-{{ checksum "rdigest" }}-
+            - stack-{{ .Branch }}-
             - stack-
       - run:
           name: Dependencies
@@ -23,7 +26,8 @@ jobs:
           name: Build
           command: make build
       - save_cache:
-          key: stack-{{ .Branch }}-{{ checksum "digest" }}
+          # yamllint disable-line rule:line-length
+          key: stack-{{ .Branch }}-{{ checksum "rdigest" }}-{{ checksum "sdigest" }}
           paths:
             - ~/.stack
             - ./.stack-work
@@ -33,6 +37,30 @@ jobs:
       - run:
           name: Lint
           command: make lint
-      - run:
-          name: Build Nightly
-          command: make check-nightly
+
+jobs:
+  build_7.10.3:
+    <<: *stack_build
+    environment:
+      STACK_ARGUMENTS: --resolver lts-6.35
+  build_8.0.2:
+    <<: *stack_build
+    environment:
+      STACK_ARGUMENTS: --resolver lts-9.21
+  build_8.2.2:
+    <<: *stack_build
+    environment:
+      STACK_ARGUMENTS: --resolver lts-10.3
+  build_nightly:
+    <<: *stack_build
+    environment:
+      STACK_ARGUMENTS: --resolver nightly
+
+workflows:
+  version: 2
+  builds:
+    jobs:
+      - build_7.10.3
+      - build_8.0.2
+      - build_8.2.2
+      - build_nightly
diff --git a/Makefile b/Makefile
index 9229a45..4e60062 100644
--- a/Makefile
+++ b/Makefile
@@ -2,25 +2,20 @@ all: setup build test lint
 
 .PHONY: setup
 setup:
-	stack setup
-	stack build --dependencies-only --test --no-run-tests
-	stack install hlint weeder
+	stack setup $(STACK_ARGUMENTS)
+	stack build $(STACK_ARGUMENTS) --dependencies-only --test --no-run-tests
+	stack install $(STACK_ARGUMENTS) hlint weeder
 
 .PHONY: build
 build:
-	stack build --pedantic --test --no-run-tests
+	stack build $(STACK_ARGUMENTS) --pedantic --test --no-run-tests
 
 .PHONY: test
 test:
-	stack test
+	stack build $(STACK_ARGUMENTS) --test
 
 
 .PHONY: lint
 lint:
 	hlint src test
 	weeder .
-
-.PHONY: check-nightly
-check-nightly:
-	stack setup --resolver nightly
-	stack build --resolver nightly --pedantic --test