From ac17dccc820282ded7266ba73b34416b48f20a6d Mon Sep 17 00:00:00 2001
From: Yingchi Long <longyingchi24s@ict.ac.cn>
Date: Thu, 17 Apr 2025 14:43:22 +0800
Subject: [PATCH] swvscode-porter.py: init

---
 swvscode-porter.py | 144 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 swvscode-porter.py

diff --git a/swvscode-porter.py b/swvscode-porter.py
new file mode 100644
index 0000000..1d01f40
--- /dev/null
+++ b/swvscode-porter.py
@@ -0,0 +1,144 @@
+import json
+import os
+import shutil
+import subprocess
+import urllib.request
+from functools import partial
+from pathlib import Path
+from tarfile import TarFile
+
+NODE_MODULES = "node_modules"
+
+
+def replace(target_path, link_target):
+    # Ensure the parent directory of target_path exists
+    target_path.parent.mkdir(parents=True, exist_ok=True)
+
+    if target_path.is_symlink():
+        if target_path.resolve() == link_target.resolve():
+            print(f"Symlink already correct: {target_path} -> {link_target}")
+        else:
+            print(f"Symlink points to the wrong target. Updating: {target_path}")
+            target_path.unlink()
+            os.symlink(link_target, target_path)
+    elif target_path.exists():
+        print(
+            f"Path exists but is not a symlink. Removing and replacing: {target_path}"
+        )
+        if target_path.is_dir():
+            shutil.rmtree(target_path)
+        else:
+            target_path.unlink()
+        os.symlink(link_target, target_path)
+    else:
+        print(f"Creating new symlink: {target_path} -> {link_target}")
+        os.symlink(link_target, target_path)
+
+def replace_node_modules(vscode_path, native_path, name):
+    replace(target_path=vscode_path / NODE_MODULES / name, link_target=native_path / NODE_MODULES / name)
+
+
+
+native_modules = [
+    "node-pty",
+    "native-watchdog",
+    "@vscode/spdlog",
+    "@parcel/watcher",
+]
+
+
+def replace_natives(vscode_path, native_path):
+    replace = partial(replace_node_modules, vscode_path, native_path)
+    for name in native_modules:
+        replace(name)
+
+def mk_native_modules(vscode_path: Path, native_path: Path):
+    """
+    For each native module:
+    1. Read VSCode's node_modules package/package.json to retrieve version info
+    2. Use npm to install specific versions of the native modules
+    """
+    native_path.mkdir(parents=True, exist_ok=True)
+
+    # Create package.json if it doesn't exist
+    package_json_path = native_path / "package.json"
+    if not package_json_path.exists():
+        with open(package_json_path, "w") as f:
+            json.dump({
+                "name": "vscode-native-modules",
+                "version": "1.0.0",
+                "private": True,
+                "dependencies": {}
+            }, f, indent=2)
+
+    # Read the existing package.json
+    with open(package_json_path, "r") as f:
+        package_json = json.load(f)
+
+    # Ensure dependencies object exists
+    if "dependencies" not in package_json:
+        package_json["dependencies"] = {}
+
+    # For each native module, get its version and add to dependencies
+    modules_to_install = []
+    for module_name in native_modules:
+        module_package_json = vscode_path / NODE_MODULES / module_name / "package.json"
+        if module_package_json.exists():
+            with open(module_package_json, "r") as f:
+                module_info = json.load(f)
+                version = module_info.get("version", "latest")
+                package_json["dependencies"][module_name] = version
+                modules_to_install.append(f"{module_name}@{version}")
+
+    # Write updated package.json
+    with open(package_json_path, "w") as f:
+        json.dump(package_json, f, indent=2)
+
+    # Install the native modules
+    if modules_to_install:
+        print(f"Installing native modules: {', '.join(modules_to_install)}")
+        subprocess.run(["npm", "install"], cwd=str(native_path), check=True)
+
+def replace_node(vscode_path, node_path):
+    """
+    Replace the node binary in vscode_path with the one from node_path.
+    """
+    vscode_node_path = vscode_path / "node"
+
+    # Ensure the parent directory of vscode_node_path exists
+    vscode_node_path.parent.mkdir(parents=True, exist_ok=True)
+
+    replace(
+        target_path=vscode_node_path,
+        link_target=node_path,
+    )
+
+def main():
+    # Download vscode server
+
+    url = "https://github.com/VSCodium/vscodium/releases/download/1.99.32562/vscodium-reh-web-linux-x64-1.99.32562.tar.gz"  # Replace with the actual URL
+    tar_path = "vscode-server.tar.gz"  # Replace with your tar.gz file path
+
+    with urllib.request.urlopen(url) as response:
+        with open(tar_path, "wb") as file:
+            file.write(response.read())
+
+    vscode_path = (Path(".") / "vscode-server-linux-x64-web").absolute()
+    # Extract it (tar.gz)
+    with TarFile.open(tar_path, "r:gz") as tar:
+        tar.extractall(path=vscode_path)
+
+    
+    native_path = (Path(".") / "native_modules").absolute()
+    mk_native_modules(
+        vscode_path=vscode_path,
+        native_path=native_path,
+    )
+
+    replace_natives(vscode_path, native_path)
+    replace_node(vscode_path, Path(shutil.which("node")))
+
+
+if __name__ == "__main__":
+    main()
+