from __future__ import annotations

import pathlib
import sys

source = pathlib.Path(sys.argv[1])
target = pathlib.Path(sys.argv[2])

lines = source.read_text(
    encoding="utf-8",
).splitlines()

output = [
    line
    for line in lines
    if not line.startswith(
        "SHIRE_MOBILE_GATEWAY_PREVIOUS_TOKEN="
    )
]

target.write_text(
    "\n".join(output) + "\n",
    encoding="utf-8",
)

target.chmod(0o600)