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set default=0
set timeout=3
insmod part_gpt
insmod ext2
if [ -s $prefix/grubenv ]; then
load_env
fi
if [ "$snap_mode" = "try" ]; then
# a new core or kernel got installed
set snap_mode="trying"
save_env snap_mode
if [ x"$snap_try_core" != x"" ]; then
set snap_core="$snap_try_core"
fi
if [ x"$snap_try_kernel" != x"" ]; then
set snap_kernel="$snap_try_kernel"
fi
elif [ "$snap_mode" = "trying" ]; then
# nothing cleared the "trying snap" so the boot failed
# we clear the mode and boot normally
set snap_mode=""
save_env snap_mode
fi
set label="writable"
set cmdline="root=LABEL=$label snap_core=$snap_core snap_kernel=$snap_kernel ro net.ifnames=0 init=/lib/systemd/systemd console=ttyS0 console=tty1 panic=-1"
menuentry "Ubuntu Core 16" {
search --label $label --set=writable
loopback loop ($writable)/system-data/var/lib/snapd/snaps/$snap_kernel
linux (loop)/kernel.img $cmdline
initrd (loop)/initrd.img
}
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