Use a pinned version of web-platform-tests/manifest.

third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/wpt/wpt/tools/manifest/update.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/wpt/wpt/tools/manifest/update.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/wpt/wpt/tools/manifest/update.py b/third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/wpt/wpt/tools/manifest/update.py
new file mode 100755
index 0000000000000000000000000000000000000000..be34441cd372d8b4e5b339db3157edeb7c3024af
--- /dev/null
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/wpt/wpt/tools/manifest/update.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python
+import argparse
+import imp
+import os
+import sys
+
+import manifest
+from . import vcs
+from .log import get_logger
+
+here = os.path.dirname(__file__)
+
+
+def update(tests_root, manifest, working_copy=False):
+    tree = None
+    if not working_copy:
+        tree = vcs.Git.for_path(tests_root, manifest.url_base)
+    if tree is None:
+        tree = vcs.FileSystem(tests_root, manifest.url_base)
+
+    return manifest.update(tree)
+
+
+def update_from_cli(**kwargs):
+    tests_root = kwargs["tests_root"]
+    path = kwargs["path"]
+    assert tests_root is not None
+
+    m = None
+    logger = get_logger()
+
+    if not kwargs.get("rebuild", False):
+        try:
+            m = manifest.load(tests_root, path)
+        except manifest.ManifestVersionMismatch:
+            logger.info("Manifest version changed, rebuilding")
+            m = None
+        else:
+            logger.info("Updating manifest")
+
+    if m is None:
+        m = manifest.Manifest(kwargs["url_base"])
+
+    changed = update(tests_root,
+                     m,
+                     working_copy=kwargs["work"])
+    if changed:
+        manifest.write(m, path)
+
+
+def abs_path(path):
+    return os.path.abspath(os.path.expanduser(path))
+
+
+def create_parser():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-p", "--path", type=abs_path, help="Path to manifest file.")
+    parser.add_argument(
+        "--tests-root", type=abs_path, help="Path to root of tests.")
+    parser.add_argument(
+        "-r", "--rebuild", action="store_true", default=False,
+        help="Force a full rebuild of the manifest.")
+    parser.add_argument(
+        "--work", action="store_true", default=False,
+        help="Build from the working tree rather than the latest commit")
+    parser.add_argument(
+        "--url-base", action="store", default="/",
+        help="Base url to use as the mount point for tests in this manifest.")
+    return parser
+
+
+def find_top_repo():
+    path = here
+    rv = None
+    while path != "/":
+        if vcs.is_git_repo(path):
+            rv = path
+        path = os.path.abspath(os.path.join(path, os.pardir))
+
+    return rv
+
+
+def main(default_tests_root=None):
+    opts = create_parser().parse_args()
+
+    if opts.tests_root is None:
+        tests_root = None
+        if default_tests_root is not None:
+            tests_root = default_tests_root
+        else:
+            tests_root = find_top_repo()
+
+        if tests_root is None:
+            print >> sys.stderr, """No git repo found; could not determine test root.
+Run again with --test-root"""
+            sys.exit(1)
+
+        opts.tests_root = tests_root
+
+    if opts.path is None:
+        opts.path = os.path.join(opts.tests_root, "MANIFEST.json")
+
+    update_from_cli(**vars(opts))