feat: devflake

Signed-off-by: jolheiser <john.olheiser@gmail.com>

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2020 John Olheiser
+Copyright (c) 2023 John Olheiser
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,6 +1,6 @@
-# tmpl templates
+# devflake
 
-Check out the various branches for some basic examples of templates.
+Create a simple `flake.nix` for `nix develop`
 
 ## License
 

template/.tmplkeep

@@ -1 +0,0 @@
-Delete this file and put something else here!

template/flake.nix

@@ -0,0 +1,25 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs{{if unstable}}/nixpkgs-unstable{{end}}";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    flake-utils,
+    nixpkgs,
+  }:
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        devShells.default = pkgs.mkShell {
+          nativeBuildInputs = with pkgs; [
+            {{- range $pkg := (splitList "," packages)}}
+            {{trim $pkg}}
+            {{- end}}
+          ];
+        };
+      }
+    );
+}

tmpl.yaml

@@ -1,11 +1,8 @@
-# tmpl.yaml
-# Write any template args here to prompt the user for, giving any defaults/options as applicable
-
 prompts:
-  - id: name
+  - id: unstable
-    label: Name
+    label: Use unstable
-    default: MyProject
+    help: Blank for stable, non-blank for unstable
-  - id: lang
+  - id: packages
-    label: Language
+    label: Packages
-    default: Go
+    help: nixpkgs delimited by comma