Add flakehub push

.github/workflows/flakehub-push.yaml

@@ -0,0 +1,31 @@
+name: "Publish every Git push to main to FlakeHub"
+on:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  flakehub-publish:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: "write"
+      contents: "read"
+    steps:
+      - uses: "actions/checkout@v4"
+      - uses: "DeterminateSystems/nix-installer-action@main"
+      - name: "Install direnv"
+        run: |
+          nix profile install nixpkgs#direnv
+          direnv allow
+      - name: "build"
+        run: |
+          nix build .#mkalias
+      # - uses: "DeterminateSystems/flakehub-push@main"
+      #   with:
+      #     name: "LukeChannings/toolbox"
+      #     rolling: true
+      #     visibility: "public"
+      #     include-output-paths: true

packages/mkalias/default.nix

@@ -1,5 +1,4 @@
 {
-  stdenv,
   swift,
   swiftpm,
   swiftpm2nix,
@@ -9,7 +8,7 @@ let
   # Pass the generated files to the helper.
   generated = swiftpm2nix.helpers ./nix;
 in
-stdenv.mkDerivation {
+swift.stdenv.mkDerivation {
   pname = "mkalias";
   version = "1.0.0";