1 files changed, 96 insertions, 0 deletions
diff --git a/deps/v8/tools/node/fetch_deps.py b/deps/v8/tools/node/fetch_deps.py
new file mode 100755
index 0000000000..a3e6d74917
--- /dev/null
+++ b/deps/v8/tools/node/fetch_deps.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+# Copyright 2017 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Use this script to fetch all dependencies for V8 to run build_gn.py.
+
+Usage: fetch_deps.py <v8-path>
+"""
+
+import os
+import subprocess
+import sys
+
+import node_common
+
+GCLIENT_SOLUTION = [
+  { "name"        : "v8",
+    "url"         : "https://chromium.googlesource.com/v8/v8.git",
+    "deps_file"   : "DEPS",
+    "managed"     : False,
+    "custom_deps" : {
+      # These deps are already part of Node.js.
+      "v8/base/trace_event/common" : None,
+      "v8/testing/gtest"           : None,
+      "v8/third_party/jinja2"      : None,
+      "v8/third_party/markupsafe"  : None,
+      # These deps are unnecessary for building.
+      "v8/test/benchmarks/data"               : None,
+      "v8/testing/gmock"                      : None,
+      "v8/test/mozilla/data"                  : None,
+      "v8/test/test262/data"                  : None,
+      "v8/test/test262/harness"               : None,
+      "v8/test/wasm-js"                       : None,
+      "v8/third_party/android_tools"          : None,
+      "v8/third_party/catapult"               : None,
+      "v8/third_party/colorama/src"           : None,
+      "v8/third_party/instrumented_libraries" : None,
+      "v8/tools/gyp"                          : None,
+      "v8/tools/luci-go"                      : None,
+      "v8/tools/swarming_client"              : None,
+    },
+    "custom_vars": {
+      "build_for_node" : True,
+    },
+  },
+]
+
+def EnsureGit(v8_path):
+  expected_git_dir = os.path.join(v8_path, ".git")
+  actual_git_dir = subprocess.check_output(
+      ["git", "rev-parse", "--absolute-git-dir"], cwd=v8_path).strip()
+  if expected_git_dir == actual_git_dir:
+    print "V8 is tracked stand-alone by git."
+    return False
+  print "Initializing temporary git repository in v8."
+  subprocess.check_call(["git", "init"], cwd=v8_path)
+  subprocess.check_call(["git", "commit", "--allow-empty", "-m", "init"],
+                        cwd=v8_path)
+  return True
+
+def FetchDeps(v8_path):
+  # Verify path.
+  v8_path = os.path.abspath(v8_path)
+  assert os.path.isdir(v8_path)
+
+  # Check out depot_tools if necessary.
+  depot_tools = node_common.EnsureDepotTools(v8_path, True)
+
+  temporary_git = EnsureGit(v8_path)
+  try:
+    print "Fetching dependencies."
+    env = os.environ.copy()
+    # gclient needs to have depot_tools in the PATH.
+    env["PATH"] = depot_tools + os.pathsep + env["PATH"]
+    spec = "solutions = %s" % GCLIENT_SOLUTION
+    subprocess.check_call(["gclient", "sync", "--spec", spec],
+                          cwd=os.path.join(v8_path, os.path.pardir),
+                          env=env)
+  except:
+    raise
+  finally:
+    if temporary_git:
+      node_common.UninitGit(v8_path)
+    # Clean up .gclient_entries file.
+    gclient_entries = os.path.normpath(
+        os.path.join(v8_path, os.pardir, ".gclient_entries"))
+    if os.path.isfile(gclient_entries):
+      os.remove(gclient_entries)
+  # Enable building with GN for configure script.
+  return True
+
+
+if __name__ == "__main__":
+  FetchDeps(sys.argv[1])