Merge pull request #6 from vst/5-run-tests-on-prs

Run tests and build on PRs

.github/workflows/check.yaml

@@ -0,0 +1,25 @@
+name: "Check Codebase"
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  check:
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: "Checkout Codebase"
+        uses: "actions/checkout@v4"
+
+      - name: "Install nix"
+        uses: "cachix/install-nix-action@v26"
+        with:
+          nix_path: "nixpkgs=channel:nixos-23.11"
+
+      - name: "Use magic Nix cache"
+        uses: "DeterminateSystems/magic-nix-cache-action@v4"
+
+      - name: "Check Application"
+        run: |
+          nix-shell --pure --run "dev-test-build"

default.nix

@@ -65,6 +65,27 @@ let
   ## SHELL ##
   ###########
 
+  ## Test and build script for development:
+  dev-test-build = pkgs.writeShellScriptBin "dev-test-build" ''
+    #!/usr/bin/env bash
+
+    ## Fail on any error:
+    set -e
+
+    ## Show commands executed:
+    set -x
+
+    hpack
+    fourmolu --mode check app/ src/ test/
+    prettier --check .
+    find . -iname "*.nix" -not -path "*/nix/sources.nix" -print0 | xargs --null nixpkgs-fmt --check
+    hlint app/ src/ test/
+    cabal build -O0
+    cabal run -O0 clompse -- --version
+    cabal v1-test
+    cabal haddock -O0
+  '';
+
   ## Prepare Nix shell:
   thisShell = thisHaskell.shellFor {
     ## Define packages for the shell:
@@ -92,6 +113,9 @@ let
       pkgs.nixpkgs-fmt
       pkgs.nodePackages.prettier
       pkgs.upx
+
+      ## Our custom development scripts:
+      dev-test-build
     ];
   };