nixos-configs/scopedPackages/dracula/git/default.nix

{
  # nix build inputs
  lib,
  stdenv,
  mkVersion,
  git-theme-src,
  ...
}:
stdenv.mkDerivation {
  pname = "dracula-git";
  version = mkVersion git-theme-src;

  src = git-theme-src;

  installPhase = ''
    chmod 777 ./config/gitconfig

    # Remove every line above 'Dracula Dark Theme'
    line=$(grep -n 'Dracula Dark Theme' ./config/gitconfig | cut -d: -f1)
    sed -i "1,$((line-1))d" ./config/gitconfig

    cat ./config/gitconfig > $out
  '';

  meta = {
    license = lib.licenses.mit;
    homepage = "https://github.com/dracula/git";
    description = ''
      Dark theme for Git.
    '';
  };
}