zeekscript: set updateScript to use VERSION file

  lib,

  python3,

  fetchFromGitHub,

  unstableGitUpdater,

  writeScript,

}:

python3.pkgs.buildPythonApplication rec {

    "zeekscript"

  ];

  passthru.updateScript = unstableGitUpdater { tagPrefix = "v"; };

  passthru.updateScript = writeScript "update-${pname}" ''

    #!/usr/bin/env nix-shell

    #!nix-shell -i bash -p git common-updater-scripts

    tmpdir="$(mktemp -d)"

    git clone "${src.gitRepoUrl}" "$tmpdir"

    pushd "$tmpdir"

    newVersion=$(cat VERSION)

    newRevision=$(git log -s -n 1 --pretty='format:%H' VERSION)

    popd

    rm -rf "$tmpdir"

    update-source-version "${pname}" "$newVersion" --rev="$newRevision"

  '';

  meta = {

    description = "Zeek script formatter and analyzer";