Re: [PATCH 5/8] hook(clone protections): add escape hatch

"Johannes Schindelin via GitGitGadget" [off-list ref]
writes:

+static int is_hook_safe_during_clone(const char *name, const char *path, char *sha256)
+{
+	if (get_sha256_of_file_contents(path, sha256) < 0)
+		return 0;
+
+	if (!safe_hook_sha256s_initialized) {
+		safe_hook_sha256s_initialized = 1;
+		git_protected_config(safe_hook_cb, &safe_hook_sha256s);
+	}
+
+	return strset_contains(&safe_hook_sha256s, sha256);
+}

Makes sense.  Use of a hashmap/strset here makes sense.