1 files changed, 91 insertions, 0 deletions
diff --git a/llvm_tools/bb_add.py b/llvm_tools/bb_add.py
new file mode 100755
index 00000000..1ff83490
--- /dev/null
+++ b/llvm_tools/bb_add.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python3
+# Copyright 2024 The ChromiumOS Authors
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Runs `bb add`, with additional convenience features."""
+
+import argparse
+import logging
+import os
+import shlex
+import sys
+from typing import Iterable, List
+
+import cros_cls
+import llvm_next
+
+
+def generate_bb_add_command(
+    use_llvm_next: bool,
+    disable_werror: bool,
+    extra_cls: Iterable[cros_cls.ChangeListURL],
+    bots: Iterable[str],
+) -> List[str]:
+    cls: List[cros_cls.ChangeListURL] = []
+    if use_llvm_next:
+        if not llvm_next.LLVM_NEXT_TESTING_CLS:
+            raise ValueError(
+                "llvm-next testing requested, but no llvm-next CLs exist."
+            )
+        cls += llvm_next.LLVM_NEXT_TESTING_CLS
+
+    if disable_werror:
+        cls.append(llvm_next.DISABLE_WERROR_CL)
+
+    if extra_cls:
+        cls += extra_cls
+
+    cmd = ["bb", "add"]
+    for cl in cls:
+        cmd += ("-cl", cl.crrev_url_without_http())
+    cmd += bots
+    return cmd
+
+
+def main(argv: List[str]) -> None:
+    logging.basicConfig(
+        format=">> %(asctime)s: %(levelname)s: %(filename)s:%(lineno)d: "
+        "%(message)s",
+        level=logging.INFO,
+    )
+
+    parser = argparse.ArgumentParser(
+        description=__doc__,
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+    )
+    parser.add_argument(
+        "--llvm-next",
+        action="store_true",
+        help="Add the current llvm-next patch set.",
+    )
+    parser.add_argument(
+        "--disable-werror",
+        action="store_true",
+        help="Add the 'disable -Werror' patch sets",
+    )
+    parser.add_argument(
+        "--cl",
+        action="append",
+        type=cros_cls.ChangeListURL.parse,
+        help="""
+        CL to add to the `bb add` run. May be specified multiple times. In the
+        form crrev.com/c/123456.
+        """,
+    )
+    parser.add_argument("bot", nargs="+", help="Bot(s) to run `bb add` with.")
+    opts = parser.parse_args(argv)
+
+    cmd = generate_bb_add_command(
+        use_llvm_next=opts.llvm_next,
+        disable_werror=opts.disable_werror,
+        extra_cls=opts.cl,
+        bots=opts.bot,
+    )
+    logging.info("Running `bb add` command: %s...", shlex.join(cmd))
+    # execvp raises if it fails, so no need to check.
+    os.execvp(cmd[0], cmd)
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])