fix: replace nix-fast-build with plain nix build and split wrappers builds

Author: jfroche

.github/actions/nix-install-ephemeral/action.yml

@@ -44,4 +44,4 @@ runs:
           substituters = https://cache.nixos.org https://nix-postgres-artifacts.s3.amazonaws.com
           trusted-public-keys = nix-postgres-artifacts:dGZlQOvKcNEjvT7QEAJbcV6b6uk7VF/hWMjhYleiaLI= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
           ${{ inputs.push-to-cache == 'true' && 'post-build-hook = /etc/nix/upload-to-cache.sh' || '' }}
-          max-jobs = 4
+          max-jobs = 3

.github/workflows/nix-build.yml

@@ -68,10 +68,11 @@ jobs:
           df -h
       -
         name: Build psql bundle
-        run: >
-          nix run "github:Mic92/nix-fast-build?rev=b1dae483ab7d4139a6297e02b6de9e5d30e43d48"
-          -- --skip-cached --no-nom ${{ matrix.runner == 'macos-latest-xlarge' && '--max-jobs 1' || '' }} --copy-to "s3://nix-postgres-artifacts?secret-key=/etc/nix/nix-secret-key"
-          --flake ".#checks.$(nix eval --raw --impure --expr 'builtins.currentSystem')"
+        run: |
+          nix build -L --print-out-paths ".#psql_15/exts/wrappers-all"
+          nix build -L --print-out-paths ".#psql_17/exts/wrappers-all"
+          nix build -L --print-out-paths ".#psql_orioledb-17/exts/wrappers-all"
+          nix build --print-out-paths .#checks
         env:
           AWS_ACCESS_KEY_ID: ${{ env.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ env.AWS_SECRET_ACCESS_KEY }}