fixup: migrate away from bzlmod

Author: not-matthias

MODULE.bazel

@@ -1,3 +1,7 @@
 bazel_dep(name = "rules_cc", version = "0.0.17")
 bazel_dep(name = "bazel_skylib", version = "1.7.1")
-bazel_dep(name = "platforms", version = "0.0.10")
+bazel_dep(name = "platforms", version = "0.0.10")
+
+# Fetch instrument_hooks via module extension (it doesn't have MODULE.bazel)
+instrument_hooks_ext = use_extension("//bazel:extensions.bzl", "instrument_hooks")
+use_repo(instrument_hooks_ext, "instrument_hooks")

WORKSPACE.bzlmod

@@ -0,0 +1,3 @@
+# This package contains Bazel module extensions
+
+exports_files(["extensions.bzl"])

bazel/BUILD

@@ -0,0 +1,21 @@
+"""Bazel module extensions for codspeed-cpp dependencies."""
+
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+
+def _instrument_hooks_impl(module_ctx):
+    """Fetches instrument_hooks repository."""
+    git_repository(
+        name = "instrument_hooks",
+        remote = "https://github.com/CodSpeedHQ/instrument-hooks",
+        commit = "b1e401a4d031ad308edb22ed59a52253a1ebe924",
+        build_file = Label("//third_party:instrument_hooks.BUILD"),
+    )
+    return module_ctx.extension_metadata(
+        reproducible = True,
+        root_module_direct_deps = ["instrument_hooks"],
+        root_module_direct_dev_deps = [],
+    )
+
+instrument_hooks = module_extension(
+    implementation = _instrument_hooks_impl,
+)

bazel/extensions.bzl

@@ -1,3 +1,5 @@
+load("@rules_cc//cc:defs.bzl", "cc_binary")
+
 config_setting(
     name = "windows",
     constraint_values = ["@platforms//os:windows"],