diff --git a/.gitignore b/.gitignore
index 9447ff9..8c85b91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,6 +53,7 @@
 Thumbs.db
 # Settings directories for eclipse
 /.externalToolBuilders/
+/.recipe_deps/
 /.settings/
 /.vs/
 # Visual Studio Code
diff --git a/.style.yapf b/.style.yapf
new file mode 100644
index 0000000..de0c6a7
--- /dev/null
+++ b/.style.yapf
@@ -0,0 +1,2 @@
+[style]
+based_on_style = chromium
diff --git a/README.recipes.md b/README.recipes.md
new file mode 100644
index 0000000..7c29dde
--- /dev/null
+++ b/README.recipes.md
@@ -0,0 +1,19 @@
+<!--- AUTOGENERATED BY `./recipes.py test train` -->
+# Package documentation for [gn]()
+## Table of Contents
+
+**[Recipes](#Recipes)**
+  * [gn](#recipes-gn) &mdash; Recipe for building GN.
+## Recipes
+
+### *recipes* / [gn](/recipes/gn.py)
+
+[DEPS](/recipes/gn.py#6): [recipe\_engine/path][recipe_engine/recipe_modules/path], [recipe\_engine/platform][recipe_engine/recipe_modules/platform], [recipe\_engine/step][recipe_engine/recipe_modules/step]
+
+Recipe for building GN.
+
+&mdash; **def [RunSteps](/recipes/gn.py#13)(api):**
+
+[recipe_engine/recipe_modules/path]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/10f67fe223a7973a95bc5fff219d1a7a3d95a326/README.recipes.md#recipe_modules-path
+[recipe_engine/recipe_modules/platform]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/10f67fe223a7973a95bc5fff219d1a7a3d95a326/README.recipes.md#recipe_modules-platform
+[recipe_engine/recipe_modules/step]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/10f67fe223a7973a95bc5fff219d1a7a3d95a326/README.recipes.md#recipe_modules-step
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
new file mode 100644
index 0000000..bb3a274
--- /dev/null
+++ b/infra/config/cq.cfg
@@ -0,0 +1,27 @@
+# See http://luci-config.appspot.com/schemas/projects/refs:cq.cfg for the
+# documentation of this file format.
+
+version: 1
+cq_name: "gn"
+git_repo_url: "https://gn.googlesource.com/gn"
+gerrit {}
+verifiers {
+  try_job {
+    buckets {
+      name: "luci.gn.try",
+      builders {
+        name: "linux"
+      }
+      builders {
+        name: "mac"
+      }
+      builders {
+        name: "win"
+      }
+    }
+  }
+  gerrit_cq_ability {
+    committer_list: "project-gn-committers"
+    dry_run_access_list: "project-gn-tryjob-access"
+  }
+}
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
new file mode 100644
index 0000000..217ae29
--- /dev/null
+++ b/infra/config/recipes.cfg
@@ -0,0 +1,11 @@
+{
+  "api_version": 2,
+  "deps": {
+    "recipe_engine": {
+      "branch": "master",
+      "revision": "10f67fe223a7973a95bc5fff219d1a7a3d95a326",
+      "url": "https://chromium.googlesource.com/infra/luci/recipes-py"
+    }
+  },
+  "project_id": "gn"
+}
diff --git a/infra/config/refs.cfg b/infra/config/refs.cfg
new file mode 100644
index 0000000..465672f
--- /dev/null
+++ b/infra/config/refs.cfg
@@ -0,0 +1,8 @@
+# See RefsCfg message in
+# http://luci-config.appspot.com/schemas/projects:refs.cfg for the
+# documentation of this file format.
+
+refs {
+   name: "refs/heads/master"
+   config_path: "infra/config"
+}
diff --git a/recipes.py b/recipes.py
new file mode 100755
index 0000000..fe6589d
--- /dev/null
+++ b/recipes.py
@@ -0,0 +1,216 @@
+#!/usr/bin/env python
+
+# Copyright 2017 The LUCI Authors. All rights reserved.
+# Use of this source code is governed under the Apache License, Version 2.0
+# that can be found in the LICENSE file.
+
+"""Bootstrap script to clone and forward to the recipe engine tool.
+
+*******************
+** DO NOT MODIFY **
+*******************
+
+This is a copy of https://chromium.googlesource.com/infra/luci/recipes-py/+/master/doc/recipes.py.
+To fix bugs, fix in the googlesource repo then run the autoroller.
+"""
+
+import argparse
+import json
+import logging
+import os
+import random
+import subprocess
+import sys
+import time
+import urlparse
+
+from collections import namedtuple
+
+from cStringIO import StringIO
+
+# The dependency entry for the recipe_engine in the client repo's recipes.cfg
+#
+# url (str) - the url to the engine repo we want to use.
+# revision (str) - the git revision for the engine to get.
+# path_override (str) - the subdirectory in the engine repo we should use to
+#   find it's recipes.py entrypoint. This is here for completeness, but will
+#   essentially always be empty. It would be used if the recipes-py repo was
+#   merged as a subdirectory of some other repo and you depended on that
+#   subdirectory.
+# branch (str) - the branch to fetch for the engine as an absolute ref (e.g.
+#   refs/heads/master)
+# repo_type ("GIT"|"GITILES") - An ignored enum which will be removed soon.
+EngineDep = namedtuple('EngineDep',
+                       'url revision path_override branch repo_type')
+
+
+class MalformedRecipesCfg(Exception):
+  def __init__(self, msg, path):
+    super(MalformedRecipesCfg, self).__init__('malformed recipes.cfg: %s: %r'
+                                              % (msg, path))
+
+
+def parse(repo_root, recipes_cfg_path):
+  """Parse is a lightweight a recipes.cfg file parser.
+
+  Args:
+    repo_root (str) - native path to the root of the repo we're trying to run
+      recipes for.
+    recipes_cfg_path (str) - native path to the recipes.cfg file to process.
+
+  Returns (as tuple):
+    engine_dep (EngineDep|None): The recipe_engine dependency, or None, if the
+      current repo IS the recipe_engine.
+    recipes_path (str) - native path to where the recipes live inside of the
+      current repo (i.e. the folder containing `recipes/` and/or
+      `recipe_modules`)
+  """
+  with open(recipes_cfg_path, 'rU') as fh:
+    pb = json.load(fh)
+
+  try:
+    if pb['api_version'] != 2:
+      raise MalformedRecipesCfg('unknown version %d' % pb['api_version'],
+                                recipes_cfg_path)
+
+    # If we're running ./doc/recipes.py from the recipe_engine repo itself, then
+    # return None to signal that there's no EngineDep.
+    if pb['project_id'] == 'recipe_engine':
+      return None, pb.get('recipes_path', '')
+
+    engine = pb['deps']['recipe_engine']
+
+    if 'url' not in engine:
+      raise MalformedRecipesCfg(
+        'Required field "url" in dependency "recipe_engine" not found',
+        recipes_cfg_path)
+
+    engine.setdefault('revision', '')
+    engine.setdefault('path_override', '')
+    engine.setdefault('branch', 'refs/heads/master')
+    recipes_path = pb.get('recipes_path', '')
+
+    # TODO(iannucci): only support absolute refs
+    if not engine['branch'].startswith('refs/'):
+      engine['branch'] = 'refs/heads/' + engine['branch']
+
+    engine.setdefault('repo_type', 'GIT')
+    if engine['repo_type'] not in ('GIT', 'GITILES'):
+      raise MalformedRecipesCfg(
+        'Unsupported "repo_type" value in dependency "recipe_engine"',
+        recipes_cfg_path)
+
+    recipes_path = os.path.join(
+      repo_root, recipes_path.replace('/', os.path.sep))
+    return EngineDep(**engine), recipes_path
+  except KeyError as ex:
+    raise MalformedRecipesCfg(ex.message, recipes_cfg_path)
+
+
+GIT = 'git.bat' if sys.platform.startswith(('win', 'cygwin')) else 'git'
+
+
+def _subprocess_call(argv, **kwargs):
+  logging.info('Running %r', argv)
+  return subprocess.call(argv, **kwargs)
+
+
+def _git_check_call(argv, **kwargs):
+  argv = [GIT]+argv
+  logging.info('Running %r', argv)
+  subprocess.check_call(argv, **kwargs)
+
+
+def _git_output(argv, **kwargs):
+  argv = [GIT]+argv
+  logging.info('Running %r', argv)
+  return subprocess.check_output(argv, **kwargs)
+
+
+def parse_args(argv):
+  """This extracts a subset of the arguments that this bootstrap script cares
+  about. Currently this consists of:
+    * an override for the recipe engine in the form of `-O recipe_engin=/path`
+    * the --package option.
+  """
+  PREFIX = 'recipe_engine='
+
+  p = argparse.ArgumentParser(add_help=False)
+  p.add_argument('-O', '--project-override', action='append')
+  p.add_argument('--package', type=os.path.abspath)
+  args, _ = p.parse_known_args(argv)
+  for override in args.project_override or ():
+    if override.startswith(PREFIX):
+      return override[len(PREFIX):], args.package
+  return None, args.package
+
+
+def checkout_engine(engine_path, repo_root, recipes_cfg_path):
+  dep, recipes_path = parse(repo_root, recipes_cfg_path)
+  if dep is None:
+    # we're running from the engine repo already!
+    return os.path.join(repo_root, recipes_path)
+
+  url = dep.url
+
+  if not engine_path and url.startswith('file://'):
+    engine_path = urlparse.urlparse(url).path
+
+  if not engine_path:
+    revision = dep.revision
+    subpath = dep.path_override
+    branch = dep.branch
+
+    # Ensure that we have the recipe engine cloned.
+    engine = os.path.join(recipes_path, '.recipe_deps', 'recipe_engine')
+    engine_path = os.path.join(engine, subpath)
+
+    with open(os.devnull, 'w') as NUL:
+      # Note: this logic mirrors the logic in recipe_engine/fetch.py
+      _git_check_call(['init', engine], stdout=NUL)
+
+      try:
+        _git_check_call(['rev-parse', '--verify', '%s^{commit}' % revision],
+                        cwd=engine, stdout=NUL, stderr=NUL)
+      except subprocess.CalledProcessError:
+        _git_check_call(['fetch', url, branch], cwd=engine, stdout=NUL,
+                        stderr=NUL)
+
+    try:
+      _git_check_call(['diff', '--quiet', revision], cwd=engine)
+    except subprocess.CalledProcessError:
+      _git_check_call(['reset', '-q', '--hard', revision], cwd=engine)
+
+  return engine_path
+
+
+def main():
+  if '--verbose' in sys.argv:
+    logging.getLogger().setLevel(logging.INFO)
+
+  args = sys.argv[1:]
+  engine_override, recipes_cfg_path = parse_args(args)
+
+  if recipes_cfg_path:
+    # calculate repo_root from recipes_cfg_path
+    repo_root = os.path.dirname(
+      os.path.dirname(
+        os.path.dirname(recipes_cfg_path)))
+  else:
+    # find repo_root with git and calculate recipes_cfg_path
+    repo_root = (_git_output(
+      ['rev-parse', '--show-toplevel'],
+      cwd=os.path.abspath(os.path.dirname(__file__))).strip())
+    repo_root = os.path.abspath(repo_root)
+    recipes_cfg_path = os.path.join(repo_root, 'infra', 'config', 'recipes.cfg')
+    args = ['--package', recipes_cfg_path] + args
+
+  engine_path = checkout_engine(engine_override, repo_root, recipes_cfg_path)
+
+  return _subprocess_call([
+      sys.executable, '-u',
+      os.path.join(engine_path, 'recipes.py')] + args)
+
+
+if __name__ == '__main__':
+  sys.exit(main())
diff --git a/recipes/gn.expected/linux.json b/recipes/gn.expected/linux.json
new file mode 100644
index 0000000..267f1db
--- /dev/null
+++ b/recipes/gn.expected/linux.json
@@ -0,0 +1,15 @@
+[
+  {
+    "cmd": [
+      "echo",
+      "build ",
+      "gn::gn"
+    ],
+    "name": "build"
+  },
+  {
+    "name": "$result",
+    "recipe_result": null,
+    "status_code": 0
+  }
+]
\ No newline at end of file
diff --git a/recipes/gn.expected/mac.json b/recipes/gn.expected/mac.json
new file mode 100644
index 0000000..267f1db
--- /dev/null
+++ b/recipes/gn.expected/mac.json
@@ -0,0 +1,15 @@
+[
+  {
+    "cmd": [
+      "echo",
+      "build ",
+      "gn::gn"
+    ],
+    "name": "build"
+  },
+  {
+    "name": "$result",
+    "recipe_result": null,
+    "status_code": 0
+  }
+]
\ No newline at end of file
diff --git a/recipes/gn.expected/win.json b/recipes/gn.expected/win.json
new file mode 100644
index 0000000..267f1db
--- /dev/null
+++ b/recipes/gn.expected/win.json
@@ -0,0 +1,15 @@
+[
+  {
+    "cmd": [
+      "echo",
+      "build ",
+      "gn::gn"
+    ],
+    "name": "build"
+  },
+  {
+    "name": "$result",
+    "recipe_result": null,
+    "status_code": 0
+  }
+]
\ No newline at end of file
diff --git a/recipes/gn.py b/recipes/gn.py
new file mode 100644
index 0000000..634ed1e
--- /dev/null
+++ b/recipes/gn.py
@@ -0,0 +1,19 @@
+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed under the Apache License, Version 2.0
+# that can be found in the LICENSE file.
+"""Recipe for building GN."""
+
+DEPS = [
+    'recipe_engine/path',
+    'recipe_engine/platform',
+    'recipe_engine/step',
+]
+
+
+def RunSteps(api):
+  api.step('build', ['echo', 'build ', api.name])
+
+
+def GenTests(api):
+  for platform in ('linux', 'mac', 'win'):
+    yield api.test(platform) + api.platform.name(platform)