{ stdenv, fetchgit, pkgs }:

stdenv.mkDerivation {
    pname = "yottadb";
    version = "1.0.0";
    src = fetchgit {
        url = "https://gitlab.com/YottaDB/DB/YDB.git";
        rev = "refs/tags/r2.00";
        hash = "sha256-npdULo1GrawrmnlucTXKCs9LU0X/+WD5RICKXVDcX5E=";
        deepClone = true;
        leaveDotGit = true;
    };
    buildInputs = with pkgs; [
        cmake
        pkg-config
        icu
        git
    ];
    buildPhase = ''
        export HOME=$(pwd)
        ls -la ../.git
        echo $(pwd)
        pushd /build/YDB/
        git --no-pager tag --list
        git checkout -b tmp
        popd
        make -j12
    '';

    installPhase = ''
        mkdir -p $out/bin
        cp hello $out/bin/
    '';
}