From a4fe469d39bdb9a91f9f6c8bbbac15fd836b66ce Mon Sep 17 00:00:00 2001
From: Matthieu Coudron <mattator@gmail.com>
Date: Thu, 19 Sep 2019 20:12:35 +0900
Subject: lib.kernel: scoped whenXXX helpers

whenAtLeast/whenBetween are made available in lib/kernel.nix but are now
scoped under whenXXX.
---
 lib/kernel.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib')

diff --git a/lib/kernel.nix b/lib/kernel.nix
index bfadf148be2..2ce19f8cb68 100644
--- a/lib/kernel.nix
+++ b/lib/kernel.nix
@@ -13,4 +13,14 @@ with lib;
   module   = { tristate    = "m"; };
   freeform = x: { freeform = x; };
 
+  /*
+    Common patterns/legacy used in common-config/hardened-config.nix
+   */
+  whenHelpers = version: {
+    whenAtLeast = ver: mkIf (versionAtLeast version ver);
+    whenOlder   = ver: mkIf (versionOlder version ver);
+    # range is (inclusive, exclusive)
+    whenBetween = verLow: verHigh: mkIf (versionAtLeast version verLow && versionOlder version verHigh);
+  };
+
 }
-- 
cgit 1.4.1