Safer code
loop_file=$(awk '$2=="/" && $4~"loop" {print $1}' /etc/fstab)
if [ -f "$loop_file" ]; then
dev_mountpoint=$(awk '"'${loop_file}'"~"^"$2 && $2!="/" {print $1";"$2}'
/proc/mounts|tail -n 1)
host_device="${dev_mountpoint%;*}"
host_mountpoint="${dev_mountpoint#*;}"
fi
if [ -n "$host_device" ]; then
boot_device=
root_device="$host_device"
default_kopt="root=$host_device loop=${loop_file#$host_mountpoint} ro"
else
default_kopt="root=$root_device ro"
fi
kopt="$default_kopt"
--
Update-grub does not set kopt correctly in loopinstallations
https://bugs.launchpad.net/bugs/175772
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Bugs, which is the bug contact for Ubuntu.
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