feat(ci): Try to build and push to cachix

.github/workflows/build-cache.yml

@@ -0,0 +1,24 @@
+name: Build and Cache NixOS Configs
+on:
+  pull_request:
+  push:
+    branches-ignore:
+      # Don't run twice on automation updates, rely on pull_request hook
+      - 'automation/**'
+      - 'dependabot/**'
+jobs:
+  build-and-cache:
+    name: Build packages and push to cachix
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@latest
+      - uses: cachix/cachix-action@v15
+        with:
+          name: mrjones2014-dotfiles
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build all outputs and cache
+        run: |
+          nix build github:srid/devour-flake \
+            -L --no-link --print-out-paths \
+            --override-input flake . | xargs cat | cachix push mrjones2014-dotfiles

.github/workflows/check-flake.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: cachix/install-nix-action@latest
       - uses: cachix/cachix-action@v15
         with:
           name: mrjones2014-dotfiles

.github/workflows/github-pages.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: cachix/install-nix-action@latest
       - name: Build mdbook site
         run: nix build ./docs/
       - name: Deploy

.github/workflows/update-flake.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: DeterminateSystems/nix-installer-action@main
+    - uses: cachix/install-nix-action@latest
     - uses: cachix/cachix-action@v15
       with:
         name: mrjones2014-dotfiles