@@ -, +, @@ 
- prevent an error message during bootloader installation if a LUKS
  encryption is chosen for root partition
---
 alterator-grub.spec          |  6 +++++-
 alterator-grub/backend3/grub | 10 ++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)
--- a/alterator-grub.spec	
+++ a/alterator-grub.spec	
@@ -2,7 +2,7 @@ 
 
 Name: alterator-grub
 Version: 0.12
-Release: alt2
+Release: alt3
 
 Summary: alterator module to setup grub bootloader
 License: GPL
@@ -49,6 +49,10 @@ alterator module to setup grub bootloader
 %_bindir/*
 
 %changelog
+* Sun Feb 24 2019 Nikolai Kostrigin <nickel@altlinux.ru> 0.12-alt3
+- prevent an error message during bootloader installation if a LUKS
+  encryption is chosen for root partition
+
 * Mon May 21 2018 Sergey Bolshakov <sbolshakov@altlinux.ru> 0.12-alt2
 - do not require grub-pc on non-pc
 
--- a/alterator-grub/backend3/grub	
+++ a/alterator-grub/backend3/grub	
@@ -132,6 +132,16 @@ write_device() {
 	GRUB_DEV=
 	for dev in $bootdev; do
 		GRUB_DEV="$(blockdev_get_symlink "$dev") $GRUB_DEV"
+
+		# try to overcome an error occuring when a root partition is chosen to be encrypted with LUKS
+		if [ -L /dev/mapper/*_luks ]; then
+			if ! grep "^GRUB_ENABLE_CRYPTODISK=" /etc/default/grub > /dev/null 2>&1; then
+			         echo "GRUB_ENABLE_CRYPTODISK=y" >> /etc/default/grub
+			else
+			         sed -i "s|GRUB_ENABLE_CRYPTODISK=.*|GRUB_ENABLE_CRYPTODISK=y|" /etc/default/grub
+			fi
+		fi
+
 		grub-install $target "$dev" >> $gruboutput 2>&1
 		if [ $? -ne 0 ]; then
 			if grep blocklists $gruboutput; then
--