1 files changed, 90 insertions, 0 deletions
diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
new file mode 100644
index 0000000..84295c7
--- /dev/null
+++ b/.github/workflows/CI.yaml
@@ -0,0 +1,90 @@
+name: CI
+
+on: push
+
+jobs:
+
+  nix-build:
+    name: Nix build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2.3.4
+      - uses: cachix/install-nix-action@v13
+        with:
+          install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
+          install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: cachix/cachix-action@v8
+        with:
+          name: jmc
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build gsa-parser
+        run: nix build -L
+      # TODO `nix flake check` is currently system-dependent but should be used here
+      - name: Build gsa-parser checks
+        run: nix build -L '.#checks.x86_64-linux."gsa-parser:test:gsa-parser-test"'
+      - name: Build gsa-parser shell
+        run: nix build -L '.#devShell.x86_64-linux'
+
+  stack-build:
+    name: Stack ${{ matrix.resolver }} on ${{ matrix.os }} (${{ matrix.required }})
+    strategy:
+      fail-fast: false
+      matrix:
+        resolver: [ nightly, lts-18, lts-17, lts-16, lts-15, lts-14 ]
+        os: [ macos-latest, ubuntu-latest ]
+        required: [ required ]
+        # include:
+        #   - resolver: nightly
+        #     os: ubuntu-latest
+        #     required: optional
+    continue-on-error: ${{ matrix.required == 'optional' }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: haskell/actions/setup@v1
+        with:
+          enable-stack: true
+      ## For some reason, stack caching seems to be very brittle, and cause a lot of build failures.
+      ## I haven't investigated very thoroughly what to best do about this, but for now, I'm just not caching stack builds.
+      # - uses: actions/cache@v2
+      #   with:
+      #     path: |
+      #       ~/.stack
+      #       .stack-work
+      #     key: stack-cache-${{ matrix.os }}-${{ matrix.resolver }}-${{ hashFiles('**/*.cabal') }}
+      - run: stack init --resolver ${{ matrix.resolver }}
+      - run: stack build --resolver ${{ matrix.resolver }} --only-dependencies
+      - run: stack build --resolver ${{ matrix.resolver }}
+      - run: stack build --resolver ${{ matrix.resolver }} --haddock --test --bench --no-run-benchmarks
+
+  cabal-build:
+    name: Cabal GHC ${{ matrix.ghc }} on ${{ matrix.os }} (${{ matrix.required }})
+    strategy:
+      fail-fast: false
+      matrix:
+        ghc: [ '8.6.5', '8.8.3', '8.10.5', '9.0.1' ]
+        os: [ ubuntu-latest, macos-latest ]
+        required: [ required ]
+        include:
+          - ghc: latest
+            os: ubuntu-latest
+            required: optional
+    continue-on-error: ${{ matrix.required == 'optional' }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: haskell/actions/setup@v1
+        with:
+          ghc-version: ${{ matrix.ghc }}
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cabal
+            dist-newstyle
+          key: cabal-cache-${{ matrix.os }}-${{ matrix.ghc }}-${{ hashFiles('**/*.cabal') }}
+      - run: cabal new-build --only-dependencies
+      - run: cabal new-build
+      - run: cabal new-test --test-show-details=direct