{
  lib,
  rustPlatform,
  fetchFromGitHub,
}: let
  rev = "c9d4b164ff5dc2567bb0de3876460e51da62ba94";
in
  rustPlatform.buildRustPackage (finalAttrs: {
    pname = "typst-bot";
    version = lib.substring 0 8 rev;

    src = fetchFromGitHub {
      owner = "mattfbacon";
      repo = "typst-bot";
      inherit rev;
      hash = "sha256-tB+zrE5p7zOloOgoP2fmFsajd4IBf94ET1v/0W3aNcM=";
    };

    preBuild = ''
      # Don't use the upstream way of embedding the git rev
      echo 'fn main() { println!("cargo:rustc-env=BUILD_SHA=${rev}"); }' > crates/bot/build.rs

      # Patch the command calling the worker by name.
      substituteInPlace crates/bot/src/worker.rs --replace-fail \
        '"./worker"' \
        '"${placeholder "out"}/bin/worker"'
    '';

    cargoBuildFlags = ["--workspace"];

    cargoLock = {
      lockFile = "${finalAttrs.src}/Cargo.lock";
      outputHashes = {
        "poise-0.6.1" = "sha256-iXyp9sR/vzPsexGPdRjfuKyFcGqvDdqiBAXnuw/HFo8=";
      };
    };
  })