github actions: better defaults

in case someone forgets to update those

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
         # The repo name as used in
         # https://github.com/nix-community/NUR/blob/master/repos.json
         nurRepo:
-          - mic92
+          - <YOUR_REPO_NAME>
         # Set this to cache your build results in cachix for faster builds
         # in CI and for everyone who uses your cache.
         #
@@ -27,7 +27,7 @@ jobs:
         # For this to work, you also need to set the CACHIX_SIGNING_KEY secret
         # in your repository settings in Github found at https://github.com/<your_githubname>/nur-packages/settings/secrets
         cachixName:
-          -
+          - <YOUR_CACHIX_NAME>
         nixPath:
           - nixpkgs=channel:nixos-unstable
           - nixpkgs=channel:nixpkgs-unstable
@@ -44,7 +44,7 @@ jobs:
       run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
     - name: Setup cachix
       uses: cachix/cachix-action@v6
-      if: ${{ matrix.cachixName != '' }}
+      if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
       with:
         name: ${{ matrix.cachixName }}
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
@@ -52,4 +52,5 @@ jobs:
       # TODO switch to default nixpkgs channel once nix-build-uncached 1.0.0 is in stable
       run: nix run -I 'nixpkgs=channel:nixos-unstable' nixpkgs.nix-build-uncached -c nix-build-uncached ci.nix -A cacheOutputs
     - name: Trigger NUR update
+      if: ${{ matrix.nurRepo != '<YOUR_REPO_NAME>' }}
       run: curl -XPOST "https://nur-update.herokuapp.com/update?repo=${{ matrix.nurRepo }}"