Merge GRUBFS and GRUB_FS variables.

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

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

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#/}"

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#/}"