Add Nix build configuration (#42)

Co-authored-by: koi <me@koi.rip>

Author: spenserblack

.editorconfig

@@ -27,6 +27,11 @@ indent_size = 2
 indent_style = tab
 indent_size = unset
 
+# Nix
+[*.nix]
+indent_style = space
+indent_size = 2
+
 # PowerShell
 [*.ps1]
 end_of_line = CRLF

.github/workflows/ci.yml

@@ -50,3 +50,19 @@ jobs:
 
       - name: Test
         run: cargo test
+
+  build-nix:
+    name: Build Nix
+    needs:
+      - build
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+      - uses: cachix/install-nix-action@v31
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - name: Build Nix Package (classic)
+        run: nix-build
+      - name: Build Flake
+        run: nix build

.gitignore

@@ -3,3 +3,6 @@
 
 # Rust build files
 /target
+
+# Nix build files
+/result

Cargo.toml

@@ -16,6 +16,8 @@ exclude = [
     "INSTALL.md",
     "/lua/",
     "/scripts/",
+    "*.nix",
+    "flake.lock",
 ]
 rust-version = "1.92"
 categories = ["command-line-utilities", "filesystem", "visualization"]

INSTALL.md

@@ -25,3 +25,27 @@ Visit the [latest release](https://github.com/spenserblack/fancy-tree/releases/l
 ```shell
 cargo install --locked fancy-tree
 ```
+
+## From source
+
+Build the executable from source code and then copy it to a place in `PATH`.
+
+### With `cargo`
+
+```shell
+cargo build --release
+```
+
+### With Nix
+
+#### The classic way
+
+```shell
+nix-build
+```
+
+#### The Nix Flakes way
+
+```shell
+nix --experimental-features nix-command --extra-experimental-features flakes build
+```

default.nix

@@ -0,0 +1,2 @@
+with import <nixpkgs> { };
+callPackage ./nix/package.nix { inherit rustPlatform; }

flake.lock

@@ -0,0 +1,18 @@
+{
+  description = "Displays file structure as a tree with Nerd Font icons, git statuses, etc.";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }: 
+  let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    packages.${system} = rec {
+      fancy-tree = pkgs.callPackage ./nix/package.nix { };
+      default = fancy-tree;
+    };
+  };
+}

flake.nix

@@ -0,0 +1,8 @@
+{ rustPlatform }: rustPlatform.buildRustPackage {
+  pname = "fancy-tree";
+  version = "0.1.2";
+  src = ../.;
+  cargoLock = {
+    lockFile = ../Cargo.lock;
+  };
+}