docs: add nixpkgs examples

2 files changed, 57 insertions, 0 deletions

diff --git a/examples/nixpkgs/flake.nix b/examples/nixpkgs/flake.nix
new file mode 100644
index 0000000..7dd28a4
--- /dev/null
+++ b/examples/nixpkgs/flake.nix
@@ -0,0 +1,47 @@
+{
+  outputs =
+    { self }:
+    let
+      nixpkgs = (builtins.fromJSON (builtins.readFile "${self}/yae.json")).nixpkgs;
+
+      systemsFlakeExposed = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "armv6l-linux"
+        "armv7l-linux"
+        "i686-linux"
+        "aarch64-darwin"
+        "powerpc64le-linux"
+        "riscv64-linux"
+        "x86_64-freebsd"
+      ];
+
+      forEachSystem =
+        systems: action:
+        builtins.listToAttrs (
+          map (system: {
+            name = system;
+            value = action system;
+          }) systems
+        );
+    in
+    {
+      packages = (forEachSystem systemsFlakeExposed) (
+        system:
+        let
+          pkgs =
+            import
+              (builtins.fetchTarball {
+                inherit (nixpkgs) url sha256;
+              })
+              {
+                inherit system;
+              };
+        in
+        {
+          hello = pkgs.hello;
+        }
+      );
+    };
+}
diff --git a/examples/nixpkgs/yae.json b/examples/nixpkgs/yae.json
new file mode 100644
index 0000000..54b371c
--- /dev/null
+++ b/examples/nixpkgs/yae.json
@@ -0,0 +1,10 @@
+{
+  "nixpkgs": {
+    "url": "https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz",
+    "sha256": "1wn29537l343lb0id0byk0699fj0k07m1n2d7jx2n0ssax55vhwy",
+    "unpack": true,
+    "type": "git",
+    "version": "nixos-unstable",
+    "url_template": "https://github.com/NixOS/nixpkgs/archive/{version}.tar.gz"
+  }
+}