1 files changed, 96 insertions, 0 deletions
diff --git a/testing/web-platform/tests/tools/manifest/update.py b/testing/web-platform/tests/tools/manifest/update.py
new file mode 100755
index 0000000000..fef0b96b86
--- /dev/null
+++ b/testing/web-platform/tests/tools/manifest/update.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+import argparse
+import os
+from typing import Any, Optional, TYPE_CHECKING
+
+from . import manifest
+from . import vcs
+from .log import get_logger, enable_debug_logging
+from .download import download_from_github
+if TYPE_CHECKING:
+    from .manifest import Manifest  # avoid cyclic import
+
+
+here = os.path.dirname(__file__)
+
+wpt_root = os.path.abspath(os.path.join(here, os.pardir, os.pardir))
+
+logger = get_logger()
+
+
+def update(tests_root: str,
+           manifest: "Manifest",
+           manifest_path: Optional[str] = None,
+           working_copy: bool = True,
+           cache_root: Optional[str] = None,
+           rebuild: bool = False,
+           parallel: bool = True
+           ) -> bool:
+    logger.warning("Deprecated; use manifest.load_and_update instead")
+    logger.info("Updating manifest")
+
+    tree = vcs.get_tree(tests_root, manifest, manifest_path, cache_root,
+                        working_copy, rebuild)
+    return manifest.update(tree, parallel)
+
+
+def update_from_cli(**kwargs: Any) -> None:
+    tests_root = kwargs["tests_root"]
+    path = kwargs["path"]
+    assert tests_root is not None
+
+    if not kwargs["rebuild"] and kwargs["download"]:
+        download_from_github(path, tests_root)
+
+    manifest.load_and_update(tests_root,
+                             path,
+                             kwargs["url_base"],
+                             update=True,
+                             rebuild=kwargs["rebuild"],
+                             cache_root=kwargs["cache_root"],
+                             parallel=kwargs["parallel"])
+
+
+def abs_path(path: str) -> str:
+    return os.path.abspath(os.path.expanduser(path))
+
+
+def create_parser() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-v", "--verbose", dest="verbose", action="store_true", default=False,
+        help="Turn on verbose logging")
+    parser.add_argument(
+        "-p", "--path", type=abs_path, help="Path to manifest file.")
+    parser.add_argument(
+        "--tests-root", type=abs_path, default=wpt_root, 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(
+        "--url-base", action="store", default="/",
+        help="Base url to use as the mount point for tests in this manifest.")
+    parser.add_argument(
+        "--no-download", dest="download", action="store_false", default=True,
+        help="Never attempt to download the manifest.")
+    parser.add_argument(
+        "--cache-root", action="store", default=os.path.join(wpt_root, ".wptcache"),
+        help="Path in which to store any caches (default <tests_root>/.wptcache/)")
+    parser.add_argument(
+        "--no-parallel", dest="parallel", action="store_false", default=True,
+        help="Do not parallelize building the manifest")
+    return parser
+
+
+def run(*args: Any, **kwargs: Any) -> None:
+    if kwargs["path"] is None:
+        kwargs["path"] = os.path.join(kwargs["tests_root"], "MANIFEST.json")
+    if kwargs["verbose"]:
+        enable_debug_logging()
+    update_from_cli(**kwargs)
+
+
+def main() -> None:
+    opts = create_parser().parse_args()
+
+    run(**vars(opts))