88 lines
2.1 KiB
Bash
Executable File
88 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# This script set a specific grub entry (winLOOSE…) for the next boot.
|
|
# Then reboot the host
|
|
|
|
# Vars {{{
|
|
readonly PROGNAME=$(basename "${0}")
|
|
readonly PROGDIR=$(readlink -m $(dirname "${0}"))
|
|
readonly ARGS="${*}"
|
|
readonly NBARGS="${#}"
|
|
|
|
readonly GRUB_DEFAULT_PATH='/etc/default/grub'
|
|
readonly GRUB_DEFAULT_DIR='/etc/default/grub.d'
|
|
readonly WIN_GRUB="2"
|
|
|
|
## By default, the host should reboot at the end of the script
|
|
REBOOT=0
|
|
|
|
# }}}
|
|
|
|
main() { # {{{
|
|
|
|
# First check in Grub default dir if saved mode is set
|
|
if grep -q -E -R -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_DIR}"
|
|
then
|
|
printf '%b' "Reboot to windaube partition\\n"
|
|
sudo grub-reboot "${WIN_GRUB}"
|
|
[ "${REBOOT}" -eq "0" ] && sudo systemctl reboot
|
|
fi
|
|
|
|
# Otherwise check the default grub file
|
|
if grep -q -E -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_PATH}"
|
|
then
|
|
printf '%b' "Reboot to windaube partition\\n"
|
|
sudo grub-reboot "${WIN_GRUB}"
|
|
[ "${REBOOT}" -eq "0" ] && sudo systemctl reboot
|
|
else
|
|
|
|
printf '%b' "GRUB_DEFAULT is not set in 'saved' mode\\n"
|
|
sudo sed -i 's/\(^GRUB_DEFAULT.*\)/#\1\nGRUB_DEFAULT=saved/' "${GRUB_DEFAULT_PATH}"
|
|
GRUB_DEFAULT_ENTRY=$(grep -E -- "#GRUB_DEFAULT=" "${GRUB_DEFAULT_PATH}" | cut -d"=" -f2)
|
|
sudo grub-set-default "${GRUB_DEFAULT_ENTRY}"
|
|
sudo update-grub
|
|
printf '%b' "Please launch this script (${PROGDIR}/${PROGNAME} ${ARGS}) once again.\\n"
|
|
fi
|
|
}
|
|
# }}}
|
|
|
|
# Manage arguments # {{{
|
|
# This code can't be in a function due to arguments
|
|
|
|
if [ ! "${NBARGS}" -eq "0" ]; then
|
|
|
|
manage_arg="0"
|
|
|
|
# Parse all options (start with a "-") one by one
|
|
while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
|
|
|
|
case "${1}" in
|
|
--reboot ) ## A reboot was requested (default behaviour)
|
|
REBOOT=0
|
|
;;
|
|
-- ) ## End of options list
|
|
## End the while loop
|
|
break
|
|
;;
|
|
* ) ## unknow option
|
|
printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
|
|
printf '%b\n' "---"
|
|
usage
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
## Move to the next argument
|
|
shift
|
|
manage_arg=$((manage_arg+1))
|
|
|
|
done
|
|
|
|
fi
|
|
|
|
# }}}
|
|
|
|
main
|
|
|
|
exit 0
|