[dont merge]: modernize uv extension by using the mode=bazel-runfiles

.bazelrc

@@ -10,7 +10,7 @@ common --define=SOME_VAR=SOME_VALUE
 common --@pypi//venv=aspect_rules_py
 
 common --incompatible_enable_cc_toolchain_resolution
-common --@llvm//config:experimental_stub_libgcc_s
+common --@toolchains_llvm_bootstrapped//config:experimental_stub_libgcc_s
 common --@rules_cc//cc/toolchains/args/archiver_flags:use_libtool_on_macos=false
 
 # TODO(bzlmod): Don't break proto

bazel/BUILD.bazel

@@ -1,4 +1,5 @@
 load("@bazelrc-preset.bzl", "bazelrc_preset")
+load(":defs.bzl", "incompatible_with")
 
 exports_files(["defs.bzl"])
 
@@ -9,9 +10,8 @@ bazelrc_preset(
     # USE_BAZEL_VERSION for testing.
     doc_link_template = "https://registry.build/flag/bazel?filter={flag}",
     strict = True,
-    # The output is specific to the version in .bazelversion
     tags = [
-        "skip-on-bazel7",
-        "skip-on-bazel9",
+        "manual",
     ],
+    target_compatible_with = incompatible_with("9.0.0"),
 )

bazel/defaults.bazelrc

@@ -96,33 +96,13 @@ startup --host_jvm_args="-DBAZEL_TRACK_SOURCE_DIRECTORIES=1"
 common --incompatible_default_to_explicit_init_py
 # Docs: https://registry.build/flag/bazel?filter=incompatible_default_to_explicit_init_py
 
-# Fail if Starlark files are not UTF-8 encoded.
-# Introduced in Bazel 8.1, see https://github.com/bazelbuild/bazel/pull/24944
-# Recommended to enable since Bazel 8.5, see https://github.com/bazel-contrib/bazelrc-preset.bzl/issues/95
-common --incompatible_enforce_starlark_utf8="error"
-# Docs: https://registry.build/flag/bazel?filter=incompatible_enforce_starlark_utf8
-
-# Accept multiple --modify_execution_info flags, rather than the last flag overwriting earlier ones.
-common --incompatible_modify_execution_info_additive
-# Docs: https://registry.build/flag/bazel?filter=incompatible_modify_execution_info_additive
-
 # Make builds more reproducible by using a static value for PATH and not inheriting LD_LIBRARY_PATH.
 # Use `--action_env=ENV_VARIABLE` if you want to inherit specific variables from the environment where Bazel runs.
 # Note that doing so can prevent cross-user caching if a shared cache is used.
 # See https://github.com/bazelbuild/bazel/issues/2574 for more details.
 common --incompatible_strict_action_env
 # Docs: https://registry.build/flag/bazel?filter=incompatible_strict_action_env
 
-# Fail the build if the MODULE.bazel.lock file is out of date.
-# Using this mode in ci prevents the lockfile from being out of date.
-common:ci --lockfile_mode="error"
-# Docs: https://registry.build/flag/bazel?filter=lockfile_mode
-
-# Add the CloudFlare mirror of BCR-referenced downloads.
-# Improves reliability of Bazel when CDNs are flaky, for example issues with ftp.gnu.org in 2025.
-common --module_mirrors="https://bcr.cloudflaremirrors.com"
-# Docs: https://registry.build/flag/bazel?filter=module_mirrors
-
 # On CI, don't download remote outputs to the local machine.
 # Most CI pipelines don't need to access the files and they can remain at rest on the remote cache.
 # Significant time can be spent on needless downloads, which is especially noticeable on fully-cached builds.
@@ -229,7 +209,7 @@ common:debug --test_timeout=9999
 # Migration requires setting a toolchain parameter inside ctx.actions.{run, run_shell} for actions which use tool or executable from a toolchain.
 #
 # See https://github.com/bazelbuild/bazel/issues/17134
-common --incompatible_auto_exec_groups
+# common --incompatible_auto_exec_groups
 # Docs: https://registry.build/flag/bazel?filter=incompatible_auto_exec_groups
 
 # Language specific rules (Protos, Java, C++, Android) are being rewritten to Starlark and moved from Bazel into their rules repositories

bazel/defs.bzl

@@ -7,6 +7,28 @@ Mostly for working around Bazel migration issues.
 load("@bazel_features_version//:version.bzl", bazel_version = "version")
 load("@bazel_skylib//lib:versions.bzl", "versions")
 
+# Quick and dirty way to render the bazelrc preset generation just incompatible
+# on Bazel other than our baseline (7.X).
+def incompatible_with(version, default = []):
+    """Incompatibility with Bazel.
+
+    A hacky way to mark a target (or toolchain) as incompatible with the Bazel
+    engine itself.
+
+    Args:
+      version (str): The version Bazle to decide incompatibility with.
+      default (list): The default compatibility list.
+
+    Returns:
+      The default compatibility list, or incompatible.
+
+    """
+
+    if versions.is_at_least(version, bazel_version):
+        return ["@platforms//:incompatible"]
+    else:
+        return default
+
 def munge(label):
     """Munge external labels from 7->8.
 

bazel/patches/llvm_darwin_sysroot.patch

@@ -0,0 +1,27 @@
+diff --git a/MODULE.bazel b/MODULE.bazel
+index b631904..31042c1 100644
+--- a/MODULE.bazel
++++ b/MODULE.bazel
+@@ -103,18 +103,12 @@ use_repo(musl, "musl_libc")
+ mingw = use_extension("//runtimes/mingw/extension:mingw.bzl", "mingw")
+ use_repo(mingw, "mingw")
+
+-http_pkg_archive = use_repo_rule("//:http_pkg_archive.bzl", "http_pkg_archive")
+-
+-http_pkg_archive(
++http_archive(
+     name = "macosx15.4.sdk",
++    urls = ["https://github.com/hexops-graveyard/sdk-macos-11.3/archive/ccbaae84cc39469a6792108b24480a4806e09d59.tar.gz"],
++    integrity = "sha256-EYcKSj04K3g0mGEIEmSSG7iDRAp+Cz3UoAc3PYcySjg=",
+     build_file = "//third_party/macosx.sdk:BUILD.MacOSX15.4.sdk.tpl",
+-    sha256 = "ba3453d62b3d2babf67f3a4a44e8073d6555c85f114856f4390a1f53bd76e24a",
+-    strip_files = [
+-        "Library/Developer/CommandLineTools/SDKs/MacOSX15.5.sdk/System/Library/Frameworks/Ruby.framework/Versions/Current/Headers/ruby",
+-    ],
+-    strip_prefix = "Library/Developer/CommandLineTools/SDKs/MacOSX15.5.sdk",
+-    # urls = ["https://swcdn.apple.com/content/downloads/10/32/082-12052-A_AHPGDY76PT/1a419zaf3vh8o9t3c0usblyr8eystpnsh5/CLTools_macOSNMOS_SDK.pkg"],
+-    urls = ["https://swcdn.apple.com/content/downloads/52/01/082-41241-A_0747ZN8FHV/dectd075r63pppkkzsb75qk61s0lfee22j/CLTools_macOSNMOS_SDK.pkg"],
++    strip_prefix = "sdk-macos-11.3-ccbaae84cc39469a6792108b24480a4806e09d59/root",
+ )
+
+ glibc = use_extension("//runtimes/glibc/extension:glibc.bzl", "glibc")

gazelle/BUILD.bazel

@@ -0,0 +1,18 @@
+# Gazelle plugin for Python
+# This is a copy of rules_python_gazelle_plugin adapted for aspect_rules_py
+
+load("@bazel_gazelle//:def.bzl", "gazelle_binary")
+
+# gazelle:exclude python/testdata/
+
+gazelle_binary(
+    name = "gazelle_binary",
+    languages = ["//gazelle/python"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "distribution",
+    srcs = glob(["**"]),
+    visibility = ["//:__pkg__"],
+)

gazelle/defs.bzl

@@ -0,0 +1,8 @@
+"""Gazelle plugin for Python.
+
+This module provides the Gazelle binary with Python language support.
+"""
+
+def gazelle_python_manifest(**kwargs):
+    """Placeholder for gazelle_python_manifest - this is now handled by uv extension."""
+    pass

gazelle/go.mod

@@ -0,0 +1,14 @@
+module github.com/bazel-contrib/rules_python/gazelle
+
+go 1.22
+
+require (
+	github.com/bazelbuild/bazel-gazelle v0.42.0
+	github.com/bazelbuild/buildtools v0.0.0-20231115232144-11a16f7a44af
+	github.com/bmatcuk/doublestar/v4 v4.7.1
+	github.com/emirpasic/gods v1.18.1
+	github.com/ghodss/yaml v1.0.0
+	github.com/smacker/go-tree-sitter v0.0.0-20240827094217-dd81d9e9be82
+	golang.org/x/sync v0.10.0
+	gopkg.in/yaml.v2 v2.4.0
+)

gazelle/go.sum

@@ -0,0 +1,106 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/bazelbuild/bazel-gazelle v0.36.0 h1:n41ODckCkU9D2BEwBxYN+xu5E92Vd0gaW6QmsIW9l00=
+github.com/bazelbuild/bazel-gazelle v0.36.0/go.mod h1:5wGHbkRpDUdz4LxREtPYwXstrWfnkV+oDmOuxNAxW1s=
+github.com/bazelbuild/buildtools v0.0.0-20240313121412-66c605173954 h1:VNqmvOfFzn2Hrtoni8vqgXlIQ4C2Zt22fxeZ9gOOkp0=
+github.com/bazelbuild/buildtools v0.0.0-20240313121412-66c605173954/go.mod h1:689QdV3hBP7Vo9dJMmzhoYIyo/9iMhEmHkJcnaPRCbo=
+github.com/bazelbuild/rules_go v0.55.1 h1:cQYGcunY8myOB+0Ym6PGQRhc/milkRcNv0my3XgxaDU=
+github.com/bazelbuild/rules_go v0.55.1/go.mod h1:T90Gpyq4HDFlsrvtQa2CBdHNJ2P4rAu/uUTmQbanzf0=
+github.com/bmatcuk/doublestar/v4 v4.7.1 h1:fdDeAqgT47acgwd9bd9HxJRDmc9UAmPpc+2m0CXv75Q=
+github.com/bmatcuk/doublestar/v4 v4.7.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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gazelle/manifest/BUILD.bazel

@@ -0,0 +1,24 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+exports_files([
+    "copy_to_source.py",
+])
+
+go_library(
+    name = "manifest",
+    srcs = ["manifest.go"],
+    importpath = "github.com/bazel-contrib/rules_python/gazelle/manifest",
+    visibility = ["//visibility:public"],
+)
+
+alias(
+    name = "go_default_library",
+    actual = ":manifest",
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "distribution",
+    srcs = glob(["**"]),
+    visibility = ["//:__pkg__"],
+)

gazelle/manifest/copy_to_source.py

@@ -0,0 +1,36 @@
+"""Copy a generated file to the source tree.
+
+Run like:
+    copy_to_source path/to/generated_file path/to/source_file_to_overwrite
+"""
+
+import os
+import shutil
+import stat
+import sys
+from pathlib import Path
+
+
+def copy_to_source(generated_relative_path: Path, target_relative_path: Path) -> None:
+    """Copy the generated file to the target file path.
+
+    Expands the relative paths by looking at Bazel env vars to figure out which absolute paths to use.
+    """
+    # This script normally gets executed from the runfiles dir, so find the absolute path to the generated file based on that.
+    generated_absolute_path = Path.cwd() / generated_relative_path
+
+    # Similarly, the target is relative to the source directory.
+    target_absolute_path = os.environ["BUILD_WORKSPACE_DIRECTORY"] / target_relative_path
+
+    print(f"Copying {generated_absolute_path} to {target_absolute_path}")
+    target_absolute_path.parent.mkdir(parents=True, exist_ok=True)
+    shutil.copy(generated_absolute_path, target_absolute_path)
+
+    target_absolute_path.chmod(0o664)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 3:
+        sys.exit("Usage: copy_to_source <generated_file> <target_file>")
+
+    copy_to_source(Path(sys.argv[1]), Path(sys.argv[2]))