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-rwxr-xr-xarchiso/mkarchiso10
1 files changed, 8 insertions, 2 deletions
diff --git a/archiso/mkarchiso b/archiso/mkarchiso
index 01eb536..ed932d9 100755
--- a/archiso/mkarchiso
+++ b/archiso/mkarchiso
@@ -544,16 +544,22 @@ _make_boot_uefi-x64.systemd-boot.esp() {
_msg_info "Setting up systemd-boot for UEFI booting..."
install -d -m 0755 -- "${isofs_dir}/EFI/archiso"
- efiboot_imgsize="$(( (( (( $(du --apparent-size -bc \
+ # the required image size in KiB (rounded up to the next full MiB with an additional MiB for reserved sectors)
+ efiboot_imgsize="$(du -bc \
"${airootfs_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \
"${airootfs_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" \
"${profile}/efiboot/" \
"${airootfs_dir}/boot/vmlinuz-"* \
"${airootfs_dir}/boot/initramfs-"*".img" \
"${airootfs_dir}/boot/"{intel-uc.img,intel-ucode.img,amd-uc.img,amd-ucode.img,early_ucode.cpio,microcode.cpio} \
- 2>/dev/null | awk 'END {print $1}') / 1048576 )) +1 )) * 1024 ))"
+ 2>/dev/null | awk 'function ceil(x){return int(x)+(x>int(x))}
+ function byte_to_kib(x){return x/1024}
+ function mib_to_kib(x){return x*1024}
+ END {print mib_to_kib(ceil((byte_to_kib($1)+1024)/1024))}'
+ )"
# The FAT image must be created with mkfs.fat not mformat, as some systems have issues with mformat made images:
# https://lists.gnu.org/archive/html/grub-devel/2019-04/msg00099.html
+ _msg_info "Creating FAT image of size: ${efiboot_imgsize} KiB..."
mkfs.fat -C -n ARCHISO_EFI "${isofs_dir}/EFI/archiso/efiboot.img" "$efiboot_imgsize"
mmd -i "${isofs_dir}/EFI/archiso/efiboot.img" ::/EFI ::/EFI/BOOT