Fix error with creating efi.img

build.sh

@@ -37,6 +37,11 @@ else
   dpkg -i ./debs/*.deb
 fi
 
+# Increase number of blocks for creating efi.img.
+# This prevents error with "Disk full" on the lb binary_grub-efi stage
+patch -d /usr/lib/live/build/ < increase_number_of_blocks.patch
+
+# Enable Lunar build in debootstrap
 ln -sfn /usr/share/debootstrap/scripts/gutsy /usr/share/debootstrap/scripts/lunar
 
 build () {

increase_number_of_blocks.patch

@@ -0,0 +1,11 @@
+--- /usr/lib/live/build/binary_grub-efi	2023-02-19 00:09:59.711144321 +0400
++++ /usr/lib/live/build/binary_grub-efi.orig	2023-02-19 00:10:30.827749004 +0400
+@@ -255,7 +255,7 @@
+ # directories: EFI EFI/boot boot boot/grub
+ size=\$((\$size + 4096 * 4))
+ 
+-blocks=\$(((\$size / 1024 + 55) / 32 * 32 ))
++blocks=\$(((\$size / 1024 + 1540) / 32 * 32 ))
+ 
+ rm -f ${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img
+ # The VOLID must be (truncated to) a 32bit hexadecimal number