Add CI

.github/workflows/haskell.yml

@@ -0,0 +1,45 @@
+name: github-action
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        ghc: ['8.6.5', '8.8.4']
+        os: ['ubuntu-latest', 'macos-latest']
+        exclude:
+          # There are some linker warnings in 802 on darwin that
+          # cause compilation to fail
+          # See https://github.com/NixOS/nixpkgs/issues/25139
+          - ghc: '8.0.2'
+            os: 'macos-latest'
+    runs-on: ${{ matrix.os }}
+
+    name: GHC ${{ matrix.ghc }} on ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-haskell@v1
+      with:
+        ghc-version: ${{ matrix.ghc }}
+    - name: Cache
+      uses: actions/cache@v1
+      env:
+        cache-name: cache-cabal
+      with:
+        path: ~/.cabal
+        key: ${{ runner.os }}-${{ matrix.ghc }}-build-${{ env.cache-name }}-${{ hashFiles('**/*.cabal') }}-${{ hashFiles('**/cabal.project') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ matrix.ghc }}-build-${{ env.cache-name }}-
+          ${{ runner.os }}-${{ matrix.ghc }}-build-
+          ${{ runner.os }}-${{ matrix.ghc }}-
+          ${{ runner.os }}
+
+    - name: Install dependencies
+      run: |
+        cabal update
+        cabal build --only-dependencies --enable-tests --enable-benchmarks all
+    - name: Build
+      run: cabal build --enable-tests --enable-benchmarks all
+    - name: Run tests
+      run: cabal test all

cabal.project

@@ -0,0 +1,4 @@
+packages:
+  class/
+  groundhog/
+  obelisk/

class/database-id-class.cabal

@@ -16,7 +16,7 @@ extra-source-files:  CHANGELOG.md
 
 library
   exposed-modules: Database.Id.Class
-  build-depends: base >=4.11 && <4.14
+  build-depends: base >=4.11 && <4.15
                , aeson
   hs-source-dirs:      src
   default-language:    Haskell2010

groundhog/database-id-groundhog.cabal

@@ -18,7 +18,7 @@ library
                  , Database.Id.Groundhog.TH
   other-extensions: QuasiQuotes
                   , TemplateHaskell
-  build-depends: base >=4.11 && <4.13
+  build-depends: base >=4.11 && <4.15
                , aeson
                , database-id-class
                , groundhog <= 0.7.0.3

obelisk/database-id-obelisk.cabal

@@ -15,7 +15,7 @@ extra-source-files: CHANGELOG.md
 
 library
   exposed-modules: Database.Id.Obelisk.Route
-  build-depends: base >=4.11 && <4.13
+  build-depends: base >=4.11 && <4.15
                , obelisk-route
                , database-id-class
                , mtl