init

flake.nix

@@ -0,0 +1,44 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    clj-nix.url = "github:jlesquembre/clj-nix";
+  };
+
+  outputs = { self, nixpkgs, clj-nix, ... }@inputs:
+    let
+      supportedSystems = [
+        "aarch64-darwin"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "x86_64-linux"
+      ];
+
+      each-system = f: nixpkgs.lib.genAttrs supportedSystems (system: f rec {
+	pkgs = import nixpkgs {
+	  inherit system;
+	  overlays = [
+	    clj-nix.overlays.default
+	  ];
+	};
+	inherit (pkgs) lib;
+        inherit system;
+      });
+    in {
+      # Exposed as a REPL convenience.
+      _pkgs = each-system ({ pkgs, ... }: pkgs);
+
+      devShells = each-system ({ pkgs, system, ... }: {
+	default = pkgs.mkShell {
+	  packages = with pkgs; [
+	    zprint
+	    clojure
+	    babashka
+	    sqlite-web
+            sqlite
+            mariadb
+            vega-lite
+	  ];
+	};
+      });
+    };
+}