build: organize action

.github/workflows/nix-github-actions.yml

@@ -4,21 +4,24 @@ on:
   pull_request:
   push:
     branches:
-      - master
       - main
 
 jobs:
-  nix-matrix:
+  nix-setup:
     runs-on: ubuntu-latest
-    # outputs:
-      # matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v24
       - id: set-matrix
         name: Generate Nix Matrix
         run: |
           set -Eeu
+
+  nix-setup:
+    runs-on: ubuntu-latest
+    steps:
+    needs: nix-matrix
+    steps:
       - id: build
         name: nix build
         run: nix build
@@ -34,12 +37,6 @@ jobs:
       - run: git config --global user.name "Matt Carrier"
       - run: git commit -m "update build"
       - run: git push -f origin gh-pages
-      # - run: nix-shell -p ghp-import
-      # - run: ghp-import --message "Automatic update from https://github.com/icecreammatt/wiki.net" ./result/www
-      # - run: git push --force origin gh-pages:gh-pages
-
-        # matrix="$(nix eval --json '.#')"
-        # echo "matrix=$matrix" >> "$GITHUB_OUTPUT"
 
   # nix-build:
     # needs: nix-matrix