chore: init project

.envrc

@@ -0,0 +1,9 @@
+use flake .nix
+dotenv_if_exists
+
+if on_git_branch; then
+    echo 
+    git status --short --branch 
+    echo 
+    git fetch
+fi

.gitignore

@@ -0,0 +1,4 @@
+.build/
+.cache/
+bin/
+compile_commands.json

.nix/flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1710734606,
+        "narHash": "sha256-rFJl+WXfksu2NkWJWKGd5Km17ZGEjFg9hOQNwstsoU8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "79bb4155141a5e68f2bdee2bf6af35b1d27d3a1d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "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
+}

.nix/flake.nix

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+{
+  description = "A basic flake with a shell";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShell = pkgs.mkShell {
+          nativeBuildInputs = [ pkgs.bashInteractive ];
+          buildInputs = with pkgs; [
+            # building
+            gcc
+            cmake
+            ninja
+            sccache
+
+            # pre-commit
+            pre-commit
+            commitizen
+          ];
+
+          shellHook = ''
+            pre-commit install --allow-missing-config --hook-type pre-commit --hook-type commit-msg
+          '';
+        };
+      }
+    );
+}

.pre-commit-config.yaml

@@ -0,0 +1,29 @@
+repos:
+  - repo: https://github.com/commitizen-tools/commitizen
+    rev: v3.15.0
+    hooks:
+      - id: commitizen
+        stages: [commit-msg]
+
+  - repo: https://github.com/pre-commit/mirrors-prettier
+    rev: v4.0.0-alpha.8
+    hooks:
+      - id: prettier
+        name: check markdown/yaml formatting
+        types_or:
+          - markdown
+          - yaml
+        args: [--no-config]
+        exclude: CHANGELOG.md
+
+  - repo: https://github.com/pocc/pre-commit-hooks
+    rev: v1.3.5
+    hooks:
+      - id: clang-format
+      - id: clang-tidy
+
+  - repo: https://github.com/cheshirekow/cmake-format-precommit
+    rev: v0.6.13
+    hooks:
+      - id: cmake-format
+      - id: cmake-lint

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.20)
+
+project(
+  VectorSearch
+  VERSION 0.1.0
+  LANGUAGES CXX)
+
+list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
+
+include(ExportCompileCommands)
+include(sccache)
+
+add_executable(VectorSearch main.cpp)
+
+target_compile_features(VectorSearch PUBLIC cxx_std_20)
+
+set_target_properties(
+  VectorSearch
+  PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin"
+             RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin"
+             RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin")

cmake/ExportCompileCommands.cmake

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+set(CMAKE_EXPORT_COMPILE_COMMANDS
+    ON
+    CACHE BOOL "Export compile commands database")
+
+if(CMAKE_EXPORT_COMPILE_COMMANDS)
+  set(CMAKE_CXX_STANDARD_INCLUDE_DIRECTORIES
+      ${CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES})
+endif()

cmake/sccache.cmake

@@ -0,0 +1,6 @@
+find_program(SCCACHE_FOUND sccache)
+
+if(SCCACHE_FOUND)
+  set(CMAKE_C_COMPILER_LAUNCHER sccache)
+  set(CMAKE_CXX_COMPILER_LAUNCHER sccache)
+endif()

main.cpp

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+#include <iostream>
+
+int main(int argc, char *argv[]) {
+  std::cout << "VectorSearch" << std::endl;
+
+  return 0;
+}

scripts/bootstrap.sh

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+#!/usr/bin/env sh
+
+cmake -S . -B .build -G Ninja -D CMAKE_EXPORT_COMPILE_COMMANDS=ON
+ln --symbolic --force .build/compile_commands.json

scripts/build.sh

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+#!/usr/bin/env sh 
+
+cmake --build .build