Merge pull request #688 from Enzime/add/template

flake: add template with basic flake config

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install nix corresponding to latest stable channel
-      uses: cachix/install-nix-action@v20
+      uses: cachix/install-nix-action@v22
       with:
         install_url: https://github.com/nix-community/nix-unstable-installer/releases/download/nix-2.10.0pre20220822_7c3ab57/install
         extra_nix_config: |
@@ -28,7 +28,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install nix from current unstable channel
-      uses: cachix/install-nix-action@v20
+      uses: cachix/install-nix-action@v22
       with:
         nix_path: nixpkgs=channel:${{ env.CURRENT_STABLE_CHANNEL }}
         extra_nix_config: |
@@ -43,7 +43,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install nix corresponding to latest stable channel
-      uses: cachix/install-nix-action@v20
+      uses: cachix/install-nix-action@v22
       with:
         install_url: https://github.com/nix-community/nix-unstable-installer/releases/download/nix-2.10.0pre20220822_7c3ab57/install
         nix_path: nixpkgs=channel:${{ env.CURRENT_STABLE_CHANNEL }}
@@ -80,7 +80,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install nix from current unstable channel
-      uses: cachix/install-nix-action@v20
+      uses: cachix/install-nix-action@v22
       with:
         nix_path: nixpkgs=channel:nixpkgs-unstable
         extra_nix_config: |
@@ -116,7 +116,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install nix version corresponding to latest stable channel
-      uses: cachix/install-nix-action@v20
+      uses: cachix/install-nix-action@v22
       with:
         install_url: https://github.com/nix-community/nix-unstable-installer/releases/download/nix-2.10.0pre20220822_7c3ab57/install
         nix_path: nixpkgs=channel:${{ env.CURRENT_STABLE_CHANNEL }}
@@ -133,14 +133,14 @@ jobs:
         nix-shell -A installer.check
     - name: Build simple flake configuration
       run: |
-        nix build ./modules/examples#darwinConfigurations.simple.system --override-input darwin .
+        nix build ./modules/examples/flake#darwinConfigurations.simple.system --override-input darwin .
     - name: Activate derivation of simple flake build
       run: |
-        ./result/sw/bin/darwin-rebuild switch --flake ./modules/examples#simple --override-input darwin .
+        ./result/sw/bin/darwin-rebuild switch --flake ./modules/examples/flake#simple --override-input darwin .
     - name: Rebuild and activate simple flake, but this time using nix-darwins flake interface
       run: |
         . /etc/static/bashrc
-        darwin-rebuild build --flake ./modules/examples#simple --override-input darwin .
+        darwin-rebuild build --flake ./modules/examples/flake#simple --override-input darwin .
     - name: Test git submodules
       run: |
         . /etc/static/bashrc
@@ -155,10 +155,11 @@ jobs:
         popd
 
         cp -a ./modules/examples/. /tmp/test-nix-darwin-submodules
+        cp -a ./modules/examples/flake/flake.nix /tmp/test-nix-darwin-submodules
 
         pushd /tmp/test-nix-darwin-submodules
           /usr/bin/sed -i.bak \
-            '\#modules = \[#s#darwin.darwinModules.simple#./simple.nix#' \
+            '\#modules = \[#s#configuration#configuration ./simple.nix#' \
             ./flake.nix
           /usr/bin/sed -i.bak \
             's#pkgs.vim#pkgs."${import ./submodule-test/hello.nix}"#' \
@@ -198,7 +199,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install nix from current unstable channel
-      uses: cachix/install-nix-action@v20
+      uses: cachix/install-nix-action@v22
       with:
         nix_path: nixpkgs=channel:nixpkgs-unstable
         extra_nix_config: |
@@ -214,14 +215,14 @@ jobs:
         nix-shell -A installer.check
     - name: Build simple flake configuration
       run: |
-        nix build ./modules/examples#darwinConfigurations.simple.system --override-input darwin .
+        nix build ./modules/examples/flake#darwinConfigurations.simple.system --override-input darwin .
     - name: Activate derivation of simple flake build
       run: |
-        ./result/sw/bin/darwin-rebuild switch --flake ./modules/examples#simple --override-input darwin .
+        ./result/sw/bin/darwin-rebuild switch --flake ./modules/examples/flake#simple --override-input darwin .
     - name: Rebuild and activate simple flake, but this time using nix-darwins flake interface
       run: |
         . /etc/static/bashrc
-        darwin-rebuild build --flake ./modules/examples#simple --override-input darwin .
+        darwin-rebuild build --flake ./modules/examples/flake#simple --override-input darwin .
     - name: Test git submodules
       run: |
         . /etc/static/bashrc
@@ -236,10 +237,11 @@ jobs:
         popd
 
         cp -a ./modules/examples/. /tmp/test-nix-darwin-submodules
+        cp -a ./modules/examples/flake/flake.nix /tmp/test-nix-darwin-submodules
 
         pushd /tmp/test-nix-darwin-submodules
           /usr/bin/sed -i.bak \
-            '\#modules = \[#s#darwin.darwinModules.simple#./simple.nix#' \
+            '\#modules = \[#s#configuration#configuration ./simple.nix#' \
             ./flake.nix
           /usr/bin/sed -i.bak \
             's#pkgs.vim#pkgs."${import ./submodule-test/hello.nix}"#' \

flake.nix

@@ -25,6 +25,11 @@
     darwinModules.ofborg = ./modules/examples/ofborg.nix;
     darwinModules.simple = ./modules/examples/simple.nix;
 
+    templates.default = {
+      path = ./modules/examples/flake;
+      description = "nix flake init -t nix-darwin";
+    };
+
     checks.x86_64-darwin.simple = (self.lib.darwinSystem {
       system = "x86_64-darwin";
       modules = [ self.darwinModules.simple ];

modules/examples/flake/flake.nix

@@ -0,0 +1,46 @@
+{
+  description = "Example darwin system flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    darwin.url = "github:lnl7/nix-darwin";
+    darwin.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, darwin, nixpkgs }:
+  let
+    configuration = { pkgs, ... }: {
+      # List packages installed in system profile. To search by name, run:
+      # $ nix-env -qaP | grep wget
+      environment.systemPackages =
+        [ pkgs.vim
+        ];
+
+      # Auto upgrade nix package and the daemon service.
+      services.nix-daemon.enable = true;
+      # nix.package = pkgs.nix;
+
+      # Necessary for using flakes on this system.
+      nix.settings.experimental-features = "nix-command flakes";
+
+      # Create /etc/zshrc that loads the nix-darwin environment.
+      programs.zsh.enable = true;  # default shell on catalina
+      # programs.fish.enable = true;
+
+      # Used for backwards compatibility, please read the changelog before changing.
+      # $ darwin-rebuild changelog
+      system.stateVersion = 4;
+    };
+  in
+  {
+    # Build darwin flake using:
+    # $ darwin-rebuild build --flake .#simple
+    darwinConfigurations."simple" = darwin.lib.darwinSystem {
+      modules = [ configuration ];
+      system = "x86_64-darwin";
+    };
+
+    # Expose the package set, including overlays, for convenience.
+    darwinPackages = self.darwinConfigurations."simple".pkgs;
+  };
+}