From 9036985ddeff2879202c24c72fda879352be9e99 Mon Sep 17 00:00:00 2001
From: Sk7Str1p3 <finenkofedor@gmail.com>
Date: Sun, 19 Apr 2026 09:03:51 +0300
Subject: [PATCH] feat(devShells): shell for `nix` language

---
 .envrc                    |  1 +
 devShells/default.nix     |  2 +-
 devShells/nix/.envrc      |  1 +
 devShells/nix/default.nix | 20 ++++++++++++++++++++
 devShells/nix/flake.nix   | 25 +++++++++++++++++++++++++
 5 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 .envrc
 create mode 100644 devShells/nix/.envrc
 create mode 100644 devShells/nix/default.nix
 create mode 100644 devShells/nix/flake.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..6a9b262
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake .#nix
diff --git a/devShells/default.nix b/devShells/default.nix
index 0fc55c9..88586a9 100644
--- a/devShells/default.nix
+++ b/devShells/default.nix
@@ -3,7 +3,7 @@
 /**
   Isolated environments for convenient software development.
   Provides shells for all languages I use:
-  - ~~❄️  [Nix]~~  (not yet)
+  - ❄️  [Nix](./devShells/nix.md)
   - ~~🦀 Rust~~  (not yet)
   - ~~🐍 Python~~  (not yet)
 
diff --git a/devShells/nix/.envrc b/devShells/nix/.envrc
new file mode 100644
index 0000000..8392d15
--- /dev/null
+++ b/devShells/nix/.envrc
@@ -0,0 +1 @@
+use flake
\ No newline at end of file
diff --git a/devShells/nix/default.nix b/devShells/nix/default.nix
new file mode 100644
index 0000000..af5e37b
--- /dev/null
+++ b/devShells/nix/default.nix
@@ -0,0 +1,20 @@
+# Nix
+/**
+  Basic shell for nix-only projects.
+  Many nix projects have their own devshell,
+  but they don't install most necessary tools.
+*/
+pkgs: rec {
+  /**
+    nix language server
+  */
+  packages.nixd = pkgs.nixd;
+  /**
+    nix formatter
+  */
+  packages.nixfmt = pkgs.nixfmt;
+  /**
+    nix linter
+  */
+  packages.statix = pkgs.statix;
+}
diff --git a/devShells/nix/flake.nix b/devShells/nix/flake.nix
new file mode 100644
index 0000000..d5576be
--- /dev/null
+++ b/devShells/nix/flake.nix
@@ -0,0 +1,25 @@
+{
+  description = "Development shell for nix projects";
+
+  inputs.nixpkgs = "github:nixos/nixpkgs";
+  inputs.utils = "github:numtide/flake-utils";
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      utils,
+    }:
+    utils.lib.eachDefaultSystem (
+      sys:
+      let
+        pkgs = nixpkgs.legacyPackages.${sys};
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          name = "nix";
+          packages = map (p: p) (builtins.attrValues (import ./. pkgs).packages);
+        };
+      }
+    );
+}