chore: harden CI per review (drop accept-flake-config, fail-fast scripts/build, run test via bash)

Author: Unisay

.github/workflows/ci.yml

@@ -14,15 +14,14 @@ jobs:
       - uses: cachix/install-nix-action@v27
         with:
           extra_nix_config: |
-            accept-flake-config = true
             extra-substituters = https://cache.iog.io https://purescript-lua.cachix.org
             extra-trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= purescript-lua.cachix.org-1:yLs4ei2HtnuPtzLekOrW3xdfm95+Etw15gwgyIGTayA=
 
       - name: Build
         run: nix develop -c ./scripts/build
 
       - name: Test
-        run: if [ -f scripts/test ]; then nix develop -c ./scripts/test; fi
+        run: if [ -f scripts/test ]; then nix develop -c bash ./scripts/test; fi
 
       - name: Luacheck
         run: nix develop -c luacheck --quiet --std lua51 --no-unused-args src/

scripts/build

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+set -euo pipefail
 
 echo "Building..."