Toolchain: Rewrite BuildVcpkg.sh in python

Co-Authored-By: Andrew Kaster <andrew@ladybird.org>

Toolchain/BuildVcpkg.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+import pathlib
+import sys
+import shutil
+
+
+def main() -> int:
+    script_dir = pathlib.Path(__file__).parent.resolve()
+
+    git_repo = "https://github.com/microsoft/vcpkg.git"
+    git_rev = "2960d7d80e8d09c84ae8abf15c12196c2ca7d39a"  # 2024.09.30
+
+    tarball_dir = script_dir / "Tarballs"
+    tarball_dir.mkdir(parents=True, exist_ok=True)
+    vcpkg_checkout = tarball_dir / "vcpkg"
+
+    if not vcpkg_checkout.is_dir():
+        subprocess.check_call(args=["git", "clone", git_repo], cwd=tarball_dir)
+    else:
+        bootstrapped_vcpkg_version = subprocess.check_output(
+            ["git", "-C", vcpkg_checkout, "rev-parse", "HEAD"]).strip().decode()
+
+        if bootstrapped_vcpkg_version == git_rev:
+            return 0
+
+    print(f"Building vcpkg@{git_rev}")
+
+    subprocess.check_call(args=["git", "fetch", "origin"], cwd=vcpkg_checkout)
+    subprocess.check_call(args=["git", "checkout", git_rev], cwd=vcpkg_checkout)
+
+    bootstrap_script = "bootstrap-vcpkg.bat" if os.name == 'nt' else "bootstrap-vcpkg.sh"
+    subprocess.check_call(args=[vcpkg_checkout / bootstrap_script, "-disableMetrics"], cwd=vcpkg_checkout, shell=True)
+
+    install_dir = script_dir / "Local" / "vcpkg" / "bin"
+    install_dir.mkdir(parents=True, exist_ok=True)
+
+    vcpkg_name = "vcpkg.exe" if os.name == 'nt' else "vcpkg"
+    shutil.copy(vcpkg_checkout / vcpkg_name, install_dir / vcpkg_name)
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())