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#!/usr/bin/env python3
import argparse
import os
import shutil
import subprocess
import tarfile
import tempfile
import urllib.request
BASE_URL = "https://github.com/nodejs/gyp-next/archive/"
CHECKOUT_PATH = os.path.dirname(os.path.realpath(__file__))
CHECKOUT_GYP_PATH = os.path.join(CHECKOUT_PATH, "gyp")
parser = argparse.ArgumentParser()
parser.add_argument("tag", help="gyp tag to update to")
args = parser.parse_args()
tar_url = BASE_URL + args.tag + ".tar.gz"
changed_files = subprocess.check_output(["git", "diff", "--name-only"]).strip()
if changed_files:
raise Exception("Can't update gyp while you have uncommitted changes in node-gyp")
with tempfile.TemporaryDirectory() as tmp_dir:
tar_file = os.path.join(tmp_dir, "gyp.tar.gz")
unzip_target = os.path.join(tmp_dir, "gyp")
with open(tar_file, "wb") as f:
print("Downloading gyp-next@" + args.tag + " into temporary directory...")
print("From: " + tar_url)
with urllib.request.urlopen(tar_url) as in_file:
f.write(in_file.read())
print("Unzipping...")
with tarfile.open(tar_file, "r:gz") as tar_ref:
def is_within_directory(directory, target):
abs_directory = os.path.abspath(directory)
abs_target = os.path.abspath(target)
prefix = os.path.commonprefix([abs_directory, abs_target])
return prefix == abs_directory
def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
for member in tar.getmembers():
member_path = os.path.join(path, member.name)
if not is_within_directory(path, member_path):
raise Exception("Attempted Path Traversal in Tar File")
tar.extractall(path, members, numeric_owner)
safe_extract(tar_ref, unzip_target)
print("Moving to current checkout (" + CHECKOUT_PATH + ")...")
if os.path.exists(CHECKOUT_GYP_PATH):
shutil.rmtree(CHECKOUT_GYP_PATH)
shutil.move(
os.path.join(unzip_target, os.listdir(unzip_target)[0]), CHECKOUT_GYP_PATH
)
subprocess.check_output(["git", "add", "gyp"], cwd=CHECKOUT_PATH)
subprocess.check_output(["git", "commit", "-m", "feat(gyp): update gyp to " + args.tag])
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