{ pkgs, ... }: {
  environment.systemPackages = [ pkgs.git-bug ];
}

final: prev: {
  git-bug =
    let
      version = "0.8.0";
      rev = "a3fa445a9c76631c4cd16f93e1c1c68a954adef7";
      vendorSha256 = "sha256-32kNDoBE50Jx1Ef9YwhDk7nd3CaTSnHPlu7PgWPUGfE=";
      src = prev.fetchFromGitHub {
        rev = rev;
        owner = "MichaelMure";
        repo = "git-bug";
        sha256 = "sha256-yCb9SXsKJLriMkg+uBD0LACdkvjBqhe1Bp9Xpa1xfok=";
      };
    in
    (prev.git-bug.override {
      buildGoModule = args: prev.buildGoModule (args // {
        inherit src version rev vendorSha256;
        ldflags = [
          "-X github.com/MichaelMure/git-bug/commands.GitCommit=${rev}"
          "-X github.com/MichaelMure/git-bug/commands.GitLastTag=${version}"
          "-X github.com/MichaelMure/git-bug/commands.GitExactTag=${version}"
        ];
        postInstall = ''
          install -D -m 0644 misc/completion/bash/git-bug "$out/share/bash-completion/completions/git-bug"
          install -D -m 0644 misc/completion/zsh/git-bug "$out/share/zsh/site-functions/git-bug"
          install -D -m 0644 -t "$out/share/man/man1" doc/man/*
        '';
      });
    });
}

                cli.git-bug