Use custom pythin script to updatethe include folder during the upgra…

…de workflow

.github/workflows/v8upgrade.yml

@@ -30,8 +30,8 @@ jobs:
               run: echo ::set-output name=VALUE::$(curl -sS 'https://omahaproxy.appspot.com/all.json?os=linux&channel=stable' | jq '.[0]["versions"][0]["v8_version"]')
             - name: Checkout v8 to stable commit ref
               run: cd deps/v8 && git fetch && git checkout ${{steps.v8_latest_commit.outputs.VALUE}}
-            - name: Copy deps/v8/include into deps/include
-              run: cp -r deps/v8/include/* deps/include/
+            - name: Update include folder and cgo.go
+              run: cd deps && ./update_include_folder.py
             - name: Create PR metadata
               id: pr_metadata
               run: |

deps/update_include_folder.py

@@ -0,0 +1,96 @@
+#!/usr/bin/python3
+
+import os
+import fnmatch
+import glob
+import pathlib
+import shutil
+
+vendor_file_template = """// Package %s is required to provide support for vendoring modules
+// DO NOT REMOVE
+package %s
+"""
+
+cgo_file_template = """// Copyright 2019 Roger Chapman and the v8go contributors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package v8go
+
+//go:generate clang-format -i --verbose -style=Chromium v8go.h v8go.cc
+
+// #cgo CXXFLAGS: -fno-rtti -fpic -std=c++14 -DV8_COMPRESS_POINTERS -DV8_31BIT_SMIS_ON_64BIT_ARCH -I${SRCDIR}/deps/include
+// #cgo LDFLAGS: -pthread -lv8
+// #cgo darwin LDFLAGS: -L${SRCDIR}/deps/darwin_x86_64
+// #cgo linux LDFLAGS: -L${SRCDIR}/deps/linux_x86_64
+// #cgo windows LDFLAGS: -L${SRCDIR}/deps/windows_x86_64 -static -ldbghelp -lssp -lwinmm -lz
+import "C"
+
+// These imports forces `go mod vendor` to pull in all the folders that
+// contain V8 libraries and headers which otherwise would be ignored.
+// DO NOT REMOVE
+import (
+  _ "rogchap.com/v8go/deps/darwin_x86_64"
+  _ "rogchap.com/v8go/deps/linux_x86_64"
+  _ "rogchap.com/v8go/deps/windows_x86_64"
+  _ "rogchap.com/v8go/deps/include"
+  %s
+)
+"""
+
+deps_path = os.path.dirname(os.path.realpath(__file__))
+v8go_path = os.path.abspath(os.path.join(deps_path, os.pardir))
+v8_include_path = os.path.join(deps_path, "v8", "include")
+deps_include_path = os.path.join(deps_path, "include")
+
+def get_directories_names(path):
+  flist = []
+  for p in pathlib.Path(path).iterdir():
+    if p.is_dir():
+        flist.append(p.name)
+  return flist
+
+def delete_files_except_vendor_files(path):
+  for rootDir, subdirs, filenames in os.walk(path):
+    # Find the files that matches the given patterm
+    for file in filenames:
+      if not fnmatch.fnmatch(file, '*.go'):
+        try:
+            os.remove(os.path.join(rootDir, file))
+        except OSError:
+            print("Error while deleting file")
+
+def copy_include_directory(src_path, dest_path):
+  shutil.copytree(src_path, dest_path, dirs_exist_ok=True)
+
+def update_cgo_file(src_path):
+  directories = get_directories_names(src_path)
+  package_names = []
+
+  for directory_name in directories:
+    package_name = "_ \"rogchap.com/v8go/deps/include/" + directory_name + "\"\n"
+    package_names.append(package_name)
+
+  with open(os.path.join(v8go_path, 'cgo.go'), 'w') as temp_file:
+      temp_file.write(cgo_file_template % ('  '.join(package_names)))
+
+def create_new_directories_and_vendor_files(directories, src_path):
+  for directory in directories:
+    new_directory_path = os.path.join(src_path, directory)
+    os.mkdir(new_directory_path)
+
+    with open(os.path.join(new_directory_path, 'vendor.go'), 'w') as temp_file:
+      temp_file.write(vendor_file_template % (directory, directory))
+
+  update_cgo_file(src_path)
+
+
+v8_include_directories_names = get_directories_names(v8_include_path)
+deps_include_directories_names = get_directories_names(deps_include_path)
+
+if not v8_include_directories_names == deps_include_directories_names:
+  new_directories = set(v8_include_directories_names).difference(set(deps_include_directories_names))
+  create_new_directories_and_vendor_files(new_directories, deps_include_path)
+
+delete_files_except_vendor_files(deps_include_path)
+copy_include_directory(v8_include_path, deps_include_path)