fix: add tar.bzl as dep since its needed sdist_build (#751)

Author: thesayyn

.bcr/patches/remove_dev_deps.patch

@@ -1,6 +1,6 @@
---- a/MODULE.bazel	2025-12-08 16:08:38.084434215 -0800
-+++ b/MODULE.bazel	2025-12-08 16:08:38.084453581 -0800
-@@ -47,545 +47,3 @@
+--- a/MODULE.bazel	2025-12-11 15:32:06.556883760 -0800
++++ b/MODULE.bazel	2025-12-11 15:32:06.556900451 -0800
+@@ -51,537 +51,3 @@
  # HACK: In prod the includer's patch inserts the use_repo for multitool. This
  # solves the problem of needing a use_repo here in prod and below in dev.
 
@@ -448,14 +448,6 @@
 -    remote = "https://github.com/GoogleContainerTools/container-structure-test.git",
 -)
 -
--# Used for testing container layers
--bazel_dep(name = "tar.bzl", version = "0.5.5")
--
--bazel_lib_toolchains = use_extension("@tar.bzl//tar:extensions.bzl", "toolchains")
--use_repo(bazel_lib_toolchains, "bsd_tar_toolchains")
--
--register_toolchains("@bsd_tar_toolchains//:all")
--
 -########################################
 -# from bazel/include/python.MODULE.bazel
 -# rules_python and friends

.bcr/presubmit.yml

@@ -1,7 +1,7 @@
 bcr_test_module:
   module_path: "e2e"
   matrix:
-    bazel: ["8.x", "7.x"]
+    bazel: ["8.x"]
     # TODO(#9): add windows to this list
     platform: ["debian10", "macos", "ubuntu2004"]
   tasks:

MODULE.bazel

@@ -14,6 +14,10 @@ bazel_dep(name = "platforms", version = "1.0.0")
 bazel_dep(name = "rules_python", version = "1.0.0")
 bazel_dep(name = "with_cfg.bzl", version = "0.11.0")
 bazel_dep(name = "rules_cc", version = "0.2.11")
+bazel_dep(name = "tar.bzl", version = "0.5.5")
+
+bazel_lib_toolchains = use_extension("@tar.bzl//tar:extensions.bzl", "toolchains")
+use_repo(bazel_lib_toolchains, "bsd_tar_toolchains")
 
 tools = use_extension("//py:extensions.bzl", "py_tools")
 tools.rules_py_tools()
@@ -491,14 +495,6 @@ git_override(
     remote = "https://github.com/GoogleContainerTools/container-structure-test.git",
 )
 
-# Used for testing container layers
-bazel_dep(name = "tar.bzl", version = "0.5.5")
-
-bazel_lib_toolchains = use_extension("@tar.bzl//tar:extensions.bzl", "toolchains")
-use_repo(bazel_lib_toolchains, "bsd_tar_toolchains")
-
-register_toolchains("@bsd_tar_toolchains//:all")
-
 ########################################
 # from bazel/include/python.MODULE.bazel
 # rules_python and friends

bazel/include/oci.MODULE.bazel

@@ -21,11 +21,3 @@ git_override(
     commit = "63ee63e15fae64f00b1c1ace1eb5cc99251b9e02",
     remote = "https://github.com/GoogleContainerTools/container-structure-test.git",
 )
-
-# Used for testing container layers
-bazel_dep(name = "tar.bzl", version = "0.5.5")
-
-bazel_lib_toolchains = use_extension("@tar.bzl//tar:extensions.bzl", "toolchains")
-use_repo(bazel_lib_toolchains, "bsd_tar_toolchains")
-
-register_toolchains("@bsd_tar_toolchains//:all")

e2e/MODULE.bazel

@@ -1,5 +1,10 @@
 "Bazel dependencies"
 
+bazel_dep(name = "tar.bzl", version = "0.5.5")
+
+bazel_lib_toolchains = use_extension("@tar.bzl//tar:extensions.bzl", "toolchains", dev_dependency = True)
+use_repo(bazel_lib_toolchains, "bsd_tar_toolchains")
+
 include("//bazel/include:e2e.MODULE.bazel")
 
 include("//bazel/include:oci.MODULE.bazel")

uv/private/hub/repository.bzl

@@ -214,7 +214,7 @@ alias(
         content = [
             """load("//:defs.bzl", "compatible_with")""",
         ]
-        for entrypoint_name, entrypoint_coordinate in entrypoints.get(name, {}).items():
+        for entrypoint_name, _entrypoint_coordinate in entrypoints.get(name, {}).items():
             select_spec = {
                 "//venv:{}".format(it): "@venv__{0}__{1}//{2}/entrypoints:{3}".format(repository_ctx.attr.hub_name, it, name, entrypoint_name)
                 for it in spec