[GRUB PARTUUID PATCH 2/2] Update grub script template files

[Nicholas Vinson <nvinson234@gmail.com>]

Update grub-mkconfig.in and 10_linux.in to support grub-probe's new
partuuid target.

Signed-off-by: Nicholas Vinson <nvinson234@gmail.com>
---
 util/grub-mkconfig.in   |  2 ++
 util/grub.d/10_linux.in | 11 +++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
index f8496d2..fc42462 100644
--- a/util/grub-mkconfig.in
+++ b/util/grub-mkconfig.in
@@ -134,6 +134,7 @@ fi
 # Device containing our userland.  Typically used for root= parameter.
 GRUB_DEVICE="`${grub_probe} --target=device /`"
 GRUB_DEVICE_UUID="`${grub_probe} --device ${GRUB_DEVICE} --target=fs_uuid 2> /dev/null`" || true
+GRUB_DEVICE_PARTUUID="`${grub_probe} --device ${GRUB_DEVICE} --target=partuuid 2> /dev/null`" || true
 
 # Device containing our /boot partition.  Usually the same as GRUB_DEVICE.
 GRUB_DEVICE_BOOT="`${grub_probe} --target=device /boot`"
@@ -182,6 +183,7 @@ if [ "x${GRUB_ACTUAL_DEFAULT}" = "xsaved" ] ; then GRUB_ACTUAL_DEFAULT="`"${grub
 # override them.
 export GRUB_DEVICE \
   GRUB_DEVICE_UUID \
+  GRUB_DEVICE_PARTUUID \
   GRUB_DEVICE_BOOT \
   GRUB_DEVICE_BOOT_UUID \
   GRUB_FS \
diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
index de9044c..8081fdb 100644
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -220,8 +220,15 @@ while [ "x$list" != "x" ] ; do
     gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2
   elif test -z "${initramfs}" ; then
     # "UUID=" and "ZFS=" magic is parsed by initrd or initramfs.  Since there's
-    # no initrd or builtin initramfs, it can't work here.
-    linux_root_device_thisversion=${GRUB_DEVICE}
+    # no initrd or builtin initramfs, it can't work here.  However, if
+    # GRUB_DEVICE_PARTUUID is not empty we can use that here if
+    # GRUD_DISABLE_LINUX_UUID is not set to true.
+    if [ "x${GRUB_DISABLE_LINUX_UUID}" != "xtrue" ]
+        && [ "x${GRUB_DEVICE_PARTUUID}" != "x" ]; then
+        linux_root_device_thisversion="PARTUUID=${GRUB_DEVICE_PARTUUID}"
+    else
+        linux_root_device_thisversion=${GRUB_DEVICE}
+    fi
   fi
 
   if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
-- 
2.9.0