init template flakeHEADmaster

1 files changed, 43 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..745235b
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,43 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    systems.url = "github:nix-systems/default";
+    devenv.url = "github:cachix/devenv";
+    devenv.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  nixConfig = {
+    extra-trusted-public-keys =
+      "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=";
+    extra-substituters = "https://devenv.cachix.org";
+  };
+
+  outputs = { self, nixpkgs, devenv, systems, ... }@inputs:
+    let forEachSystem = nixpkgs.lib.genAttrs (import systems);
+    in {
+      packages = forEachSystem (system: {
+        devenv-up = self.devShells.${system}.default.config.procfileScript;
+        devenv-test = self.devShells.${system}.default.config.test;
+      });
+
+      devShells = forEachSystem (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          default = devenv.lib.mkShell {
+            inherit inputs pkgs;
+            modules = [rec {
+              # https://devenv.sh/reference/options/
+              packages = with pkgs; [
+                hello
+              ];
+              enterShell = ''
+                hello
+              '';
+              env = { LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath packages; };
+              languages.rust = { enable = true; };
+              processes.hello.exec = "hello";
+            }];
+          };
+        });
+    };
+}