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Description: Cope with btrfs / inside an encrypted block device
If / is inside an encrypted block device, then grub-probe can't tell what
its filesystem type is. Work around this.
Author: alexeagar@gmail.com
Bug-Ubuntu: https://bugs.launchpad.net/bugs/757631
Forwarded: no
Last-Update: 2011-06-15
Index: b/util/grub.d/10_linux.in
===================================================================
--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -56,7 +56,8 @@
LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
fi
-if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ]; then
+if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ] \
+ || [ "x`stat -f --printf=%T /`" = xbtrfs ]; then
rootsubvol="`make_system_path_relative_to_its_root /`"
rootsubvol="${rootsubvol#/}"
if [ "x${rootsubvol}" != x ]; then
Index: b/util/grub.d/20_linux_xen.in
===================================================================
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -56,7 +56,8 @@
LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
fi
-if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ]; then
+if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ] \
+ || [ "x`stat -f --printf=%T /`" = xbtrfs ]; then
rootsubvol="`make_system_path_relative_to_its_root /`"
rootsubvol="${rootsubvol#/}"
if [ "x${rootsubvol}" != x ]; then
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