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node_modules/node-gyp/update-gyp.py

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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:
+            tar_ref.extractall(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])