initial commit

templates/dev/c-hello/.envrc

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+use flake

templates/dev/c-hello/.github/workflows/c-nix.yml

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+name: C Nix Pipeline
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build-and-test:
+    name: Build and Test
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Set up Nix
+      uses: cachix/install-nix-action@v18
+      with:
+          nix_path: nixpkgs=channel:nixos-unstable
+
+    - name: Run nix flake check
+      run: nix flake check

templates/dev/c-hello/.gitignore

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+.cache/
+.direnv/
+.pre-commit-config.yaml
+bin/
+build/
+compile_commands.json
+result/

templates/dev/c-hello/Makefile

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+PNAME = hello-world
+
+BUILD_DIR = build
+INCLUDE_DIR = include
+SRC_DIR = src
+
+CC = gcc
+CFLAGS = -I$(INCLUDE_DIR) -Wall -Wextra -g
+
+TARGET = $(BUILD_DIR)/$(PNAME)
+SRCS = $(wildcard $(SRC_DIR)/*.c)
+OBJS = $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o, $(SRCS))
+
+# Default target
+all: $(TARGET)
+
+# Build the executable
+$(TARGET): $(OBJS)
+	$(CC) $(OBJS) -o $@
+
+# Compile source files into object files
+$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c | $(BUILD_DIR)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Create the build directory
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+# Run the executable
+run: $(TARGET)
+	@$(TARGET)
+
+# Clean built files
+clean:
+	rm -rf $(BUILD_DIR)
+
+# Clean then build
+rebuild: clean all
+
+# Display help information
+help:
+	@echo "Makefile Usage:"
+	@echo ""
+	@echo "  make          - Builds the executable (default)"
+	@echo "  make all      - Same as 'make'"
+	@echo "  make run      - Builds the executable if needed and then runs it"
+	@echo "  make clean    - Removes the build directory and all built files"
+	@echo "  make rebuild  - Performs a clean first, then builds the project"
+	@echo "  make help     - Displays this help message"
+
+.PHONY: all clean run rebuild help

templates/dev/c-hello/build.sh

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+make clean
+bear --output build/compile_commands.json -- make all

templates/dev/c-hello/flake.nix

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+{
+  description = "A hello world template in C";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      pre-commit-hooks,
+      ...
+    }:
+    let
+      pname = "hello-world"; # Also change this in the Makefile
+      version = "0.1.0";
+
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+
+      nixpkgsFor = forAllSystems (
+        system:
+        import nixpkgs {
+          inherit system;
+          overlays = [ self.overlays.default ];
+        }
+      );
+    in
+    {
+      overlays.default = final: prev: {
+        "${pname}" = final.stdenv.mkDerivation rec {
+          inherit pname version;
+          src = ./.;
+          installPhase = ''
+            mkdir -p $out/bin
+            cp build/${pname} $out/bin/
+          '';
+        };
+      };
+
+      packages = forAllSystems (system: {
+        default = nixpkgsFor.${system}."${pname}";
+        "${pname}" = nixpkgsFor.${system}."${pname}";
+      });
+
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgsFor.${system};
+        in
+        {
+          default = pkgs.mkShell {
+            buildInputs =
+              self.checks.${system}.pre-commit-check.enabledPackages
+              ++ (with pkgs; [
+                bear
+                coreutils
+                gcc
+                gdb
+                gnumake
+              ]);
+            shellHook = self.checks.${system}.pre-commit-check.shellHook + ''
+              export LD_LIBRARY_PATH=${pkgs.stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH
+            '';
+          };
+        }
+      );
+
+      formatter = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+          config = self.checks.${system}.pre-commit-check.config;
+          inherit (config) package configFile;
+          script = ''
+            ${pkgs.lib.getExe package} run --all-files --config ${configFile}
+          '';
+        in
+        pkgs.writeShellScriptBin "pre-commit-run" script
+      );
+
+      checks = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgsFor.${system};
+          flakePkgs = self.packages.${system};
+        in
+        {
+          build-packages = pkgs.linkFarm "flake-packages-${system}" flakePkgs;
+
+          integration-test =
+            let
+              exe = "${flakePkgs.${pname}}/bin/${pname}";
+            in
+            pkgs.runCommand "${pname}-test"
+              {
+                nativeBuildInputs = [
+                  pkgs.synixutils
+                  flakePkgs.${pname}
+                ];
+              }
+              ''
+                assert_equal() {
+                  if [[ "$1" != "$2" ]]; then
+                    echo "Test failed: Expected '$1' but got '$2'"
+                    exit 1
+                  fi
+                }
+
+                exp1="Hello, world!"
+                out1="$(${exe})"
+
+                assert_equal "$exp1" "$out1"
+
+                echo "Test passed!" > $out
+              '';
+
+          pre-commit-check = pre-commit-hooks.lib.${system}.run {
+            src = ./.;
+            hooks = {
+              nixfmt = {
+                enable = true;
+              };
+              clang-format = {
+                enable = true;
+                types_or = nixpkgs.lib.mkForce [ "c" ];
+              };
+            };
+          };
+        }
+      );
+    };
+}

templates/dev/c-hello/src/main.c

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+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv) {
+  printf("Hello, world!\n");
+
+  return EXIT_SUCCESS;
+}