format

Author: dzbarsky

MODULE.bazel

@@ -28,7 +28,8 @@ bazel_dep(name = "helly25_bzl", version = "0.1.2")
 
 bazel_dep(name = "tar.bzl", version = "0.6.0")
 tar_toolchains = use_extension("@tar.bzl//tar:extensions.bzl", "toolchains")
-use_repo(tar_toolchains,
+use_repo(
+    tar_toolchains,
     "bsd_tar_toolchains_darwin_arm64",
     "bsd_tar_toolchains_linux_arm64",
     "bsd_tar_toolchains_linux_amd64",

tests/WORKSPACE

@@ -20,6 +20,25 @@ local_repository(
 )
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "aspect_bazel_lib",
+    sha256 = "c4f36285ceed51f75da44ffcf8fa393794d0dc2e273a2e03be50462e347740cd",
+    strip_prefix = "bazel-lib-2.0.0",
+    url = "https://github.com/aspect-build/bazel-lib/releases/download/v2.0.0/bazel-lib-v2.0.0.tar.gz",
+)
+
+http_archive(
+    name = "tar.bzl",
+    sha256 = "a147d473a359742db2a43c8a9a8e04e31321582e6bb669dafc5ba6b2c59845d1",
+    strip_prefix = "tar.bzl-0.6.0",
+    url = "https://github.com/bazel-contrib/tar.bzl/releases/download/v0.6.0/tar.bzl-v0.6.0.tar.gz",
+)
+
+load("@tar.bzl//tar:extensions.bzl", "create_repositories")
+
+create_repositories()
+
 load("@toolchains_llvm//toolchain:deps.bzl", "bazel_toolchain_dependencies")
 
 bazel_toolchain_dependencies()

toolchain/sysroot.bzl

@@ -8,6 +8,8 @@ def _sysroot_impl(rctx):
 
     # Declare the sysroot files as a source directory so they can be
     # optimized in the Merkle tree cache more effectively.
+    # Also, create the BUILD file before extracting because `bsdtar` expects the target
+    # directory to exist, and this way Bazel creates it for us without needing `mkdir`.
     rctx.file("sysroot/BUILD.bazel", \
 """filegroup(
     name = "sysroot",