From 0b2e349268e8bf5fcea668315d94044986c5da32 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20R=C3=B6ger?= <jonas.roeger@tu-dortmund.de>
Date: Sat, 21 Mar 2026 13:48:30 +0100
Subject: [PATCH] feat(templates): add cmake-c

---
 flake.nix                            |  4 ++
 templates/cmake-c/.gitignore         |  1 +
 templates/cmake-c/CMakeLists.txt     | 10 +++++
 templates/cmake-c/flake.nix          | 56 ++++++++++++++++++++++++++++
 templates/cmake-c/nix/derivation.nix | 17 +++++++++
 templates/cmake-c/src/main.c         |  6 +++
 6 files changed, 94 insertions(+)
 create mode 100644 templates/cmake-c/.gitignore
 create mode 100644 templates/cmake-c/CMakeLists.txt
 create mode 100644 templates/cmake-c/flake.nix
 create mode 100644 templates/cmake-c/nix/derivation.nix
 create mode 100644 templates/cmake-c/src/main.c

diff --git a/flake.nix b/flake.nix
index 4e08568..b72f9f0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -238,6 +238,10 @@
           Before running nix build, make sure to run `cargo generate-lockfile` first.
         '';
       };
+      cmake-c = {
+        path = ./templates/cmake-c;
+        description = "A simple cmake c project.";
+      };
     };
   };
 }
diff --git a/templates/cmake-c/.gitignore b/templates/cmake-c/.gitignore
new file mode 100644
index 0000000..378eac2
--- /dev/null
+++ b/templates/cmake-c/.gitignore
@@ -0,0 +1 @@
+build
diff --git a/templates/cmake-c/CMakeLists.txt b/templates/cmake-c/CMakeLists.txt
new file mode 100644
index 0000000..1f0e64f
--- /dev/null
+++ b/templates/cmake-c/CMakeLists.txt
@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.15)
+
+project(Hello
+  DESCRIPTION "Hello World"
+  LANGUAGES C
+)
+
+add_executable(hello src/main.c)
+
+install(TARGETS hello)
diff --git a/templates/cmake-c/flake.nix b/templates/cmake-c/flake.nix
new file mode 100644
index 0000000..1a56dc3
--- /dev/null
+++ b/templates/cmake-c/flake.nix
@@ -0,0 +1,56 @@
+{
+  description = "Cmake C Flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+  };
+
+  outputs = inputs @ {
+    self,
+    flake-parts,
+    ...
+  }:
+    flake-parts.lib.mkFlake {inherit inputs;} (
+      top: {
+        imports = [];
+
+        flake = {
+          overlays.default = final: prev: {
+            my-derivation = final.callPackage ./nix/derivation.nix {};
+          };
+        };
+
+        systems = [
+          "x86_64-linux"
+        ];
+
+        perSystem = {
+          self',
+          pkgs,
+          system,
+          ...
+        }: {
+          _module.args.pkgs = import inputs.nixpkgs {
+            inherit system;
+            overlays = [self.overlays.default];
+          };
+
+          packages.default = pkgs.my-derivation;
+
+          devShells.default = pkgs.mkShell {
+            packages = [
+              pkgs.cmake-language-server
+              pkgs.cmake-format
+              pkgs.clang-tools
+              pkgs.gdb
+            ];
+            inputsFrom = [self'.packages.default];
+            shellHook = ''
+              export CMAKE_EXPORT_COMPILE_COMMANDS=ON
+            '';
+          };
+        };
+      }
+    );
+}
diff --git a/templates/cmake-c/nix/derivation.nix b/templates/cmake-c/nix/derivation.nix
new file mode 100644
index 0000000..c1d08b8
--- /dev/null
+++ b/templates/cmake-c/nix/derivation.nix
@@ -0,0 +1,17 @@
+{
+  cmake,
+  stdenv,
+  ...
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "my-derivation";
+  version = "0.1.0";
+  src = ../.;
+  nativeBuildInputs = [cmake];
+  buildInputs = [];
+
+  meta = {
+    description = "Hello World Binary";
+    mainProgram = "hello";
+  };
+})
diff --git a/templates/cmake-c/src/main.c b/templates/cmake-c/src/main.c
new file mode 100644
index 0000000..39ccd04
--- /dev/null
+++ b/templates/cmake-c/src/main.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+  puts("Hello, Flake!");
+  return 0;
+}