initial commit

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

.clang-format

@@ -0,0 +1,7 @@
+BasedOnStyle: GNU
+IndentWidth: 4
+BreakBeforeBraces: Attach
+AlwaysBreakTemplateDeclarations: Yes
+AlignConsecutiveAssignments: Consecutive
+BreakAfterAttributes: Always
+AllowShortEnumsOnASingleLine: False

.clang-tidy

@@ -0,0 +1,12 @@
+Checks: '
+  , clang-analyzer-*
+  , cppcoreguidelines-*
+  , -cppcoreguidelines-avoid-magic-numbers
+  , -cppcoreguidelines-pro-bounds-constant-array-index
+  , -cppcoreguidelines-macro-usage
+  , -cppcoreguidelines-avoid-const-or-ref-data-members
+  , -cppcoreguidelines-non-private-member-variables-in-classes
+  , -cppcoreguidelines-avoid-non-const-global-variables
+  , -cppcoreguidelines-pro-type-member-init
+  , -cppcoreguidelines-init-variables
+'

.clangd

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+CompileFlags:
+  CompilationDatabase: build/

.gitignore

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+# Direnv
+.envrc
+.direnv/
+
+# Emacs
+*~
+\#*\#
+
+# Cache
+.cache/

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1757686808,
+        "narHash": "sha256-PL+Z3OrNpFNHddbsBaxeojYkWObYc2NlyhTmsmpt+hc=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "098982b6eca9b809cc2f583e733338f5a36b3ad8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "singh5 discord bot";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    inputs@{
+      self,
+      nixpkgs,
+      utils,
+    }:
+    utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+
+        src = pkgs.lib.sourceFilesBySuffices ./. [
+          ".hh"
+          ".cc"
+          ".build"
+          ".options"
+        ];
+
+        llvm = pkgs.llvmPackages_21;
+
+        package =
+          { stdenv }:
+          stdenv.mkDerivation {
+            name = "singh5";
+            version = "0.1";
+            inherit src;
+
+            outputs = [ "out" ];
+
+            nativeBuildInputs = with pkgs; [
+              meson
+              ninja
+              pkg-config
+            ];
+
+            buildInputs = with pkgs; [
+              (dpp.override { inherit stdenv; })
+              (ffmpeg.overrideAttrs (_: {
+                inherit stdenv;
+                makeFlags = [
+                  "HOSTCC=$\{CC}"
+                  "HOSTLD=$\{LD}"
+                ];
+              }))
+            ];
+          };
+
+        shell =
+          { stdenv }:
+          pkgs.mkShell.override { inherit stdenv; } {
+            name = "singh5";
+            inputsFrom = [ (package { inherit stdenv; }) ];
+            packages = with pkgs; [
+              llvm.clang-tools
+            ];
+          };
+
+      in
+      {
+        packages = rec {
+          singh5 = package { stdenv = pkgs.gcc15Stdenv; };
+          singh5-clang = package { stdenv = llvm.libcxxStdenv; };
+          default = singh5-clang;
+        };
+
+        devShells = rec {
+          singh5 = shell { stdenv = pkgs.gcc15Stdenv; };
+          singh5-clang = shell { stdenv = llvm.libcxxStdenv; };
+          default = singh5-clang;
+        };
+
+        formatter = pkgs.nixfmt-tree;
+      }
+    );
+}

meson.build

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+project('singh5', 'cpp',
+  version : '0.1',
+  license : 'GPLv3',
+  default_options : ['warning_level=3',
+                     'werror=true',
+                     'optimization=3',
+                     'cpp_std=c++23'])
+
+compiler = meson.get_compiler('cpp')
+
+lib_cpp_args = []
+
+subdir('src')

src/main.cc

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+#include <cstdlib>
+#include <dpp/dpp.h>
+
+const char *
+get_bot_token () {
+    return getenv ("BOT_TOKEN");
+}
+
+int
+main () {
+    dpp::cluster bot (get_bot_token ());
+
+    bot.on_log (dpp::utility::cout_logger ());
+
+    bot.on_slashcommand ([] (const dpp::slashcommand_t &event) {
+        if (event.command.get_command_name () == "ping") {
+            event.reply ("Pong!");
+        }
+    });
+
+    bot.on_ready ([&bot] (const dpp::ready_t &_) {
+        if (dpp::run_once<struct register_bot_commands> ()) {
+            bot.global_command_create (
+                dpp::slashcommand ("ping", "Ping pong!", bot.me.id));
+        }
+    });
+
+    bot.start (dpp::st_wait);
+}

src/meson.build

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+sources = files(
+  'main.cc',
+)
+
+dpp = dependency('dpp', version: '>=10.1.2', static: true)
+libavformat = dependency('libavformat', version: '>=61.7.100')
+libavcodec = dependency('libavcodec', version: '>=61.19.101')
+
+executable(
+  'singh5',
+  sources,
+  dependencies: [ dpp, libavformat, libavcodec ],
+  install : true,
+  cpp_args: lib_cpp_args
+)