From 4c4ea9c7b5deedff6e629d169bda2d381f849520 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Sat, 7 Dec 2013 16:09:39 +0100
Subject: [PATCH] 	Merge GRUBFS and GRUB_FS variables.

---
 ChangeLog                   | 4 ++++
 util/grub-mkconfig.in       | 4 ++++
 util/grub.d/10_linux.in     | 8 +-------
 util/grub.d/20_linux_xen.in | 8 +-------
 4 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d7b982294..b27c22d20 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-07  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Merge GRUBFS and GRUB_FS variables.
+
 2013-12-07  Andrey Borzenkov <arvidjaar@gmail.com>
 
 	Revert commit 69ca97c820, it caused failures when using OS device name
diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
index 016ee8259..7b85c8817 100644
--- a/util/grub-mkconfig.in
+++ b/util/grub-mkconfig.in
@@ -139,6 +139,10 @@ GRUB_DEVICE_BOOT_UUID="`${grub_probe} --device ${GRUB_DEVICE_BOOT} --target=fs_u
 # choosing Hurd filesystem module.
 GRUB_FS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2> /dev/null || echo unknown`"
 
+if [ x"$GRUB_FS" = xunknown ]; then
+    GRUB_FS="$(stat -f --printf=%T / || echo unknown)"
+fi
+
 if test -f ${sysconfdir}/default/grub ; then
   . ${sysconfdir}/default/grub
 fi
diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
index e27d6f75e..00d193159 100644
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -51,13 +51,7 @@ else
   LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
 fi
 
-GRUBFS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`"
-
-if [ x"$GRUBFS" = x ]; then
-    GRUBFS="$(stat -f --printf=%T / || true)"
-fi
-
-case x"$GRUBFS" in
+case x"$GRUB_FS" in
     xbtrfs)
 	rootsubvol="`make_system_path_relative_to_its_root /`"
 	rootsubvol="${rootsubvol#/}"
diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
index f12f05934..a60843500 100644
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -59,13 +59,7 @@ if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}" ]; then
   GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}"
 fi
 
-GRUBFS="`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`"
-
-if [ x"$GRUBFS" = x ]; then
-    GRUBFS="$(stat -f --printf=%T /)"
-fi
-
-case x"$GRUBFS" in
+case x"$GRUB_FS" in
     xbtrfs)
 	rootsubvol="`make_system_path_relative_to_its_root /`"
 	rootsubvol="${rootsubvol#/}"