Toolchain: Rewrite BuildVcpkg.sh in python

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

Meta/ladybird.sh

@@ -137,7 +137,7 @@ delete_target() {
 }
 
 build_vcpkg() {
-    ( cd "$LADYBIRD_SOURCE_DIR/Toolchain" && ./BuildVcpkg.sh )
+    ( cd "$LADYBIRD_SOURCE_DIR/Toolchain" && python3 ./BuildVcpkg.py )
 }
 
 ensure_toolchain() {

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())

Toolchain/BuildVcpkg.sh

@@ -1,49 +1,3 @@
 #!/usr/bin/env bash
 
-# This script builds the vcpkg dependency management system
+python3 ./Toolchain/BuildVcpkg.py
-set -e
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-# shellcheck source=/dev/null
-. "${DIR}/../Meta/shell_include.sh"
-
-# FIXME: Make the test262-runner CI use a non-root user
-ci=0
-if [[ "$1" == "--ci" ]]; then
-    echo "Running in CI mode, will not check for root user"
-    ci=1
-    shift
-fi
-
-if [ "$ci" -eq 0 ]; then
-    exit_if_running_as_root "Do not run BuildVcpkg.sh as root, parts of your Toolchain directory will become root-owned"
-fi
-
-GIT_REPO="https://github.com/microsoft/vcpkg.git"
-GIT_REV="2960d7d80e8d09c84ae8abf15c12196c2ca7d39a" # 2024.09.30
-PREFIX_DIR="$DIR/Local/vcpkg"
-
-mkdir -p "$DIR/Tarballs"
-pushd "$DIR/Tarballs"
-    if [[ ! -d vcpkg ]]; then
-        git clone "${GIT_REPO}"
-    else
-        bootstrapped_vcpkg_version=$(git -C vcpkg rev-parse HEAD)
-
-        if [[ "${bootstrapped_vcpkg_version}" == "${GIT_REV}" ]]; then
-            exit 0
-        fi
-    fi
-
-    echo "Building vcpkg"
-
-    cd vcpkg
-    git fetch origin
-    git checkout $GIT_REV
-
-    ./bootstrap-vcpkg.sh -disableMetrics
-
-    mkdir -p "$PREFIX_DIR/bin"
-    cp vcpkg "$PREFIX_DIR/bin"
-popd