import shutil
from pathlib import Path

from common.directory_helpers import pushd, get_local_prefix
from package.package_info import PackageInfo


def headers_install(src_directory: Path | str, package_info: PackageInfo, subdir: Path | str):
    """To keep the callers below looking same-y, this is like cmake_build_install()
     for header only libraries
     :param src_directory: I believe this is where the src copy resides
     :param package_info: package info
     :param subdir: Everything under that subdir will be copied
    """
    with pushd(src_directory):
        install_prefix = package_info.install_location()

        # header only libs are structured any way they want, so I have to treat them
        # individually by having the subtree handed in here
        shutil.copytree(subdir, install_prefix / "include", dirs_exist_ok=True)

    return install_prefix