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nextboot: minimize and reduce repitition

This commit is contained in:
David Thurstenson 2021-12-01 18:54:15 -06:00
parent 692c361290
commit 28288670a5
1 changed files with 52 additions and 43 deletions
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53
bin/nextboot
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@ -73,66 +73,75 @@ while getopts ":en" opt; do
esac
done
# If -e wasn't set, and systemd-boot isn't installed, fail over to efimode anyways
if [[ ! -v efimode && ! -v sdboot ]]; then
echo "W: systemd-boot not installed. Choosing EFI boot entries instead..."
efimode=1
fi
# If we're in EFI mode
if [[ -v efimode ]]; then
title="Pick EFI boot entry"
prompt="Entry"
if [[ -v noreboot ]]; then
prompt="$prompt for next boot:"
elif [[ ! -v noreboot ]]; then
prompt="$prompt to boot IMMEDIATELY:"
# If we're in systemd-boot mode
elif [[ ! -v efimode ]]; then
title="Pick systemd-boot entry config"
else
echo "E: idk how you got here..."
exit 1
fi
# Prompt for the user's choice
choice="$(selectentry "$title" "$prompt")"
# A special case to boot into firmware interface
if [[ "$choice" == "$biosname" ]]; then
sudo bootctl reboot-to-firmware true
elif [[ "$choice" != "$biosname" ]]; then
sudo efibootmgr -q --bootnext "$choice"
fi
# If we're in systemd-boot mode
elif [[ ! -v efimode ]]; then
title="Pick systemd-boot entry config"
prompt="Entry"
# Specialize prompt for reboot mode
if [[ -v noreboot ]]; then
prompt="$prompt for next boot:"
prompt="Entry for next boot:"
elif [[ ! -v noreboot ]]; then
prompt="$prompt to boot IMMEDIATELY:"
prompt="Entry to boot IMMEDIATELY:"
else
echo "E: idk how you got here either..."
exit 1
fi
# Prompt for the user's choice
choice="$(selectentry "$title" "$prompt")"
# A special case to boot into firmware interface
if [[ "$choice" == "$biosname" ]]; then
sudo bootctl reboot-to-firmware true
# For all other entry selections
elif [[ "$choice" != "$biosname" ]]; then
# If we're in EFI mode
if [[ -v efimode ]]; then
# Set bootnext in nvram
sudo efibootmgr -q --bootnext "$choice"
# If we're in systemd-boot mode
elif [[ ! -v efimode ]]; then
# Set default boot entry only for next boot
sudo bootctl set-oneshot "$choice"
# Add an option to speed past the boot menu, since we've already
# chosen the desired entry.
rebootopts+=("--boot-loader-menu=1")
fi
else
echo "E: you DEFINITELY don't belong here..."
exit 1
fi
else
echo "E: must you insist on breaking my things?"
exit 1
fi
# Reboot if necessary
[[ ! -v noreboot ]] && sudo systemctl reboot "${rebootopts[@]}"