add bzlmod e2e

MODULE.bazel

@@ -13,11 +13,12 @@ bazel_dep(name = "stardoc", repo_name = "io_bazel_stardoc", version = "0.5.0")
 ext = use_extension("@aspect_bazel_lib//lib:extensions.bzl", "ext")
 
 use_repo(ext, "jq_toolchains")
-
 use_repo(ext, "yq_toolchains")
+use_repo(ext, "coreutils_toolchains")
 
 register_toolchains(
     "@jq_toolchains//:all",
     "@yq_toolchains//:all",
+    "@coreutils_toolchains//:all"
 )
 

e2e/bzlmod_coreutils/.bazelrc

@@ -0,0 +1 @@
+common --enable_bzlmod

e2e/bzlmod_coreutils/.bazelversion

@@ -0,0 +1 @@
+../../.bazelversion

e2e/bzlmod_coreutils/BUILD.bazel

@@ -0,0 +1,18 @@
+load("@aspect_bazel_lib//lib:write_source_files.bzl", "write_source_files")
+
+genrule(
+    name = "ls",
+    outs = ["ls.txt"],
+    cmd = "$(COREUTILS_BIN) ls > $@",
+    toolchains = ["@coreutils_toolchains//:resolved_toolchain"],
+)
+
+# This tests that the "in" file to write_source_files can be a
+# label to an external repository target when bzlmod is enabled.
+write_source_files(
+    name = "write_ls",
+    files = {
+        "ls.txt.expected": ":ls.txt",
+    },
+)
+

e2e/bzlmod_coreutils/MODULE.bazel

@@ -0,0 +1,15 @@
+module(
+    name = "bzlmod_coreutils",
+    compatibility_level = 1,
+    version = "0.0.0",
+)
+
+bazel_dep(name = "aspect_bazel_lib", version = "0.0.0")
+
+local_path_override(
+    module_name = "aspect_bazel_lib",
+    path = "../..",
+)
+
+ext = use_extension("@aspect_bazel_lib//lib:extensions.bzl", "ext")
+use_repo(ext, "coreutils_toolchains")

e2e/bzlmod_coreutils/ls.txt.expected

@@ -0,0 +1,2 @@
+bazel-out
+external

lib/extensions.bzl

@@ -5,14 +5,16 @@ load(
     "register_copy_to_directory_toolchains",
     "register_jq_toolchains",
     "register_yq_toolchains",
+    "register_coreutils_toolchains"
 )
 
 def _toolchain_extension(_):
     register_yq_toolchains(register = False)
     register_jq_toolchains(register = False)
     register_copy_to_directory_toolchains(register = False)
+    register_coreutils_toolchains(register = False)
 
 # TODO: some way for users to control repo name/version of the tools installed
 ext = module_extension(
     implementation = _toolchain_extension,
-)
+)

lib/repositories.bzl

@@ -37,6 +37,9 @@ def aspect_bazel_lib_dependencies(override_local_config_platform = False):
     # Always register the copy_to_directory toolchain
     register_copy_to_directory_toolchains()
 
+    # Always register the coreutils toolchain
+    register_coreutils_toolchains()
+
 # Re-export the default versions
 DEFAULT_JQ_VERSION = _DEFAULT_JQ_VERSION
 DEFAULT_YQ_VERSION = _DEFAULT_YQ_VERSION