feat: C templates

c/basic/nixpkgs/.envrc

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+use flake

c/basic/nixpkgs/flake.lock

@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1768783163,
+        "narHash": "sha256-tLj4KcRDLakrlpvboTJDKsrp6z2XLwyQ4Zmo+w8KsY4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bde09022887110deb780067364a0818e89258968",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

c/basic/nixpkgs/flake.nix

@@ -0,0 +1,23 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    systems.url = "github:nix-systems/default";
+  };
+
+  outputs = { self, nixpkgs, systems, ... }:
+    let eachSystem = nixpkgs.lib.genAttrs (import systems);
+    in {
+      packages = eachSystem (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          hello = pkgs.callPackage ./package.nix {};
+          default = self.packages.${system}.hello;
+        });
+
+      devShells = eachSystem (system:
+        let pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          default = import ./shell.nix { inherit pkgs; };
+        });
+    };
+}

c/basic/nixpkgs/package.nix

@@ -0,0 +1,23 @@
+{
+  stdenv
+}:
+let
+  source = "src/hello.c";
+  exec = "hello";
+in stdenv.mkDerivation {
+  pname = "hello";
+  version = "0.1";
+  src = ./.;
+
+  buildPhase = ''
+    runHook preBuild
+    gcc ${source} -o ${exec}.bin
+    runHook postBuild
+  '';
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    install ${exec}.bin $out/bin/${exec}
+    runHook postInstall
+  '';
+}

c/basic/nixpkgs/shell.nix

@@ -0,0 +1,8 @@
+{ pkgs ? import <nixpkgs> {} }:
+let inherit (pkgs)
+  mkShell
+  llvmPackages_21
+;
+in mkShell {
+  packages = [ llvmPackages_21.clang-tools ];
+}

c/basic/nixpkgs/src/hello.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+    printf("Hello, World!\n");
+    return 0;
+}