add gitlab CI

Author: m4lvin

.gitlab-ci.yml

@@ -0,0 +1,56 @@
+image: haskell:9.6.7
+
+variables:
+  STACK_ROOT: "${CI_PROJECT_DIR}/.stack"
+
+
+cache: &global_cache
+  paths:
+    - .stack
+    - .stack-work
+
+before_script:
+  - stack config set system-ghc --global true
+
+build:
+  stage: build
+  tags: ["GitlabResearch"]
+  script:
+    - rm -rf .stack-work/install/*/*/*/bin
+    - stack build --no-terminal --coverage --test --bench --no-run-tests --no-run-benchmarks
+  after_script:
+    - rm -rf ./bin
+    - mv .stack-work/install/*/*/*/bin ./bin
+  artifacts:
+    paths:
+      - "bin/"
+
+test:
+  stage: test
+  tags: ["GitlabResearch"]
+  script:
+    - rm -rf .stack-work/install/*/*/*/hpc
+    - stack --no-terminal test --coverage
+  coverage: '/(\d+)% top-level declarations used/'
+  after_script:
+    - rm -rf ./hpc
+    - mv .stack-work/install/*/*/*/hpc ./hpc
+  artifacts:
+    when: always
+    paths:
+      - "hpc/"
+  cache:
+    <<: *global_cache
+    policy: pull
+
+hlint:
+  image: debian:stable
+  tags: ["GitlabResearch"]
+  before_script:
+    - apt-get update -yqq
+    - apt-get install -y curl
+  stage: build
+  script:
+    - curl -sL https://raw.github.com/ndmitchell/hlint/master/misc/travis.sh | sh -s .
+  cache:
+    policy: pull