add project template

.gitignore

@@ -1 +1,2 @@
 .direnv/
+/template/flake.lock

README.md

@@ -160,31 +160,16 @@ guarantee stability after an nix upgrade.
 Likewise `use_nix` the `use_flake` implementation will prevent garbage
 collection of downloaded packages and also for flake inputs.
 
-Save this file as `flake.nix`:
+You can run `nix flake new -t github:nix-community/nix-direnv` to get [this](https://github.com/nix-community/nix-direnv/tree/master/template) project template.
+or just add:
 
-``` nix
-{
-  description = "A very basic flake";
-  # Provides abstraction to boiler-code when specifying multi-platform outputs.
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system: let
-      pkgs = nixpkgs.legacyPackages.${system};
-    in {
-      devShell = pkgs.mkShell {
-        nativeBuildInputs = [ pkgs.hello ];
-      };
-    });
-}
 ```
-
-Then add `use flake` to your `.envrc`:
-
-```console
 $ echo "use flake" >> .envrc
 $ direnv allow
 ```
 
+in case the project already comes with a `flake.nix`
+
 ## Storing .direnv outside the project directory
 
 A `.direnv` directory will be created in each `use_nix` project, which might

flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1620759905,
+        "narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1622059058,
+        "narHash": "sha256-t1/ZMtyxClVSfcV4Pt5C1YpkeJ/UwFF3oitLD7Ch/UA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "84aa23742f6c72501f9cc209f29c438766f5352d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,17 @@
+{
+  description = "A faster, persistent implementation of `direnv`'s `use_nix`, to replace the built-in one.";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      defaultPackage = pkgs.callPackage ./default.nix {};
+    }) // {
+      defaultTemplate = {
+        path = ./template;
+        description = "nix flake new -t github:Mic92/nix-direnv .";
+      };
+    };
+}

scripts/create-release.sh

@@ -21,7 +21,7 @@ fi
 sed -i direnvrc \
     -e 's!\(declare major=\).*\( # UPDATE(nix-direnv version)\)!\1'"${ver[0]@Q} minor=${ver[1]@Q} patch=${ver[2]@Q}"'\2!'
 
-sed -i README.md \
+sed -i README.md template/.envrc \
     -e 's!\(nix-direnv/\).*\(/direnvrc\)!\1'"${version}"'\2!' \
     -e 's?\( ! nix_direnv_version \)[0-9.]\+\(; \)?\1'"${version}"'\2?'
 git add README.md direnvrc

template/.envrc

@@ -0,0 +1,4 @@
+if ! has nix_direnv_version || ! nix_direnv_version 1.3.0; then
+    source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/1.3.0/direnvrc" "sha256-1VWM1BnI1GvclYBky5f5Y9HqeThmQUwCWQbsFQM1Eu0="
+fi
+use flake

template/flake.nix

@@ -0,0 +1,15 @@
+{
+  description = "A basic flake with a shell";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      devShell = pkgs.mkShell {
+        nativeBuildInputs = [ pkgs.bashInteractive ];
+        buildInputs = [ ];
+      };
+    });
+}