From 10da75dff8cac41658b6a2eaf8cfeae691242a28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 22 Nov 2016 11:26:02 +0100
Subject: [PATCH] gnu: grub: Add dependency on LVM2.

* gnu/packages/grub.scm (grub)[inputs]: Add LVM2.
---
 gnu/packages/grub.scm | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/grub.scm b/gnu/packages/grub.scm
index b920be9ea2..ef7395e95e 100644
--- a/gnu/packages/grub.scm
+++ b/gnu/packages/grub.scm
@@ -127,9 +127,16 @@
                        (("set -e") "exit 77\nset -e"))
                      #t)))))
     (inputs
-     `(;; ("lvm2" ,lvm2)
-       ("gettext" ,gettext-minimal)
+     `(("gettext" ,gettext-minimal)
+
+       ;; Depend on LVM2 for libdevmapper, used by 'grub-probe' and
+       ;; 'grub-install' to recognize mapped devices (LUKS, etc.)
+       ("lvm2" ,lvm2)
+
+       ;; Depend on mdadm, which is invoked by 'grub-probe' and 'grub-install'
+       ;; to determine whether the root file system is RAID.
        ("mdadm" ,mdadm)
+
        ("freetype" ,freetype)
        ;; ("libusb" ,libusb)
        ;; ("fuse" ,fuse)