1 files changed, 57 insertions, 24 deletions

diff --git a/templates/rust/flake.nix b/templates/rust/flake.nix
index 4512bed..2e65c7d 100644
--- a/templates/rust/flake.nix
+++ b/templates/rust/flake.nix
@@ -1,30 +1,20 @@
 {
-  description = "<app_description>"; # TODO
+  description = "TODO";
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 
-    # inputs for following
-    systems = {
-      url = "github:nix-systems/x86_64-linux"; # only evaluate for this system
-    };
-    flake-compat = {
-      url = "github:edolstra/flake-compat";
-      flake = false;
-    };
-    crane = {
-      url = "github:ipetkov/crane";
+    treefmt-nix = {
+      url = "github:numtide/treefmt-nix";
       inputs = {
         nixpkgs.follows = "nixpkgs";
-        flake-compat.follows = "flake-compat";
-        flake-utils.follows = "flake-utils";
-        rust-overlay.follows = "rust-overlay";
       };
     };
-    flake-utils = {
-      url = "github:numtide/flake-utils";
+
+    crane = {
+      url = "github:ipetkov/crane";
       inputs = {
-        systems.follows = "systems";
+        nixpkgs.follows = "nixpkgs";
       };
     };
     rust-overlay = {
@@ -34,13 +24,29 @@
         flake-utils.follows = "flake-utils";
       };
     };
+
+    # inputs for following
+    systems = {
+      url = "github:nix-systems/x86_64-linux"; # only evaluate for this system
+    };
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs = {
+        systems.follows = "systems";
+      };
+    };
   };
 
   outputs = {
     self,
     nixpkgs,
-    crane,
     flake-utils,
+    treefmt-nix,
+    crane,
     rust-overlay,
     ...
   }:
@@ -55,27 +61,54 @@
         if nightly
         then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.minimal)
         else pkgs.rust-bin.stable.latest.minimal;
-
       rust_default =
         if nightly
         then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)
         else pkgs.rust-bin.stable.latest.default;
 
-      craneLib = (crane.mkLib pkgs).overrideToolchain rust_minimal;
+      cargo_toml = craneLib.cleanCargoToml {cargoToml = ./Cargo.toml;};
+      pname = cargo_toml.package.name;
 
+      craneLib = (crane.mkLib pkgs).overrideToolchain rust_minimal;
       craneBuild = craneLib.buildPackage {
         src = craneLib.cleanCargoSource ./.;
 
         doCheck = true;
       };
+
+      manual = pkgs.stdenv.mkDerivation {
+        name = "${pname}-manual";
+        inherit (cargo_toml.package) version;
+
+        src = ./docs;
+        nativeBuildInputs = with pkgs; [pandoc];
+
+        buildPhase = ''
+          mkdir --parents $out/docs;
+
+          pandoc "./${pname}.1.md" -s -t man > $out/docs/${pname}.1
+        '';
+
+        installPhase = ''
+          install -D $out/docs/${pname}.1  $out/share/man/man1/${pname};
+        '';
+      };
+
+      treefmtEval = import ./treefmt.nix {inherit treefmt-nix pkgs;};
     in {
-      packages.default = craneBuild;
+      packages.default = pkgs.symlinkJoin {
+        inherit (cargo_toml.package) name;
 
-      app.default = {
-        type = "app";
-        program = "${self.packages.${system}.default}/bin/<app_name>"; # TODO
+        paths = [manual craneBuild];
       };
 
+      checks = {
+        inherit craneBuild;
+        formatting = treefmtEval.config.build.check self;
+      };
+
+      formatter = treefmtEval.config.build.wrapper;
+
       devShells.default = pkgs.mkShell {
         packages = with pkgs; [
           cocogitto