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Set a main function

This commit is contained in:
Jeremy Gardais 2020-07-15 17:40:55 +02:00
parent 8376bd355e
commit 16e1324b2a
Signed by: jegardai
GPG Key ID: E759BAA22501AF32
1 changed files with 40 additions and 24 deletions
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64
winboot
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@ -1,31 +1,47 @@
#!/bin/sh
GRUB_DEFAULT_PATH='/etc/default/grub'
GRUB_DEFAULT_DIR='/etc/default/grub.d'
WIN_GRUB="2"
# This script set a specific grub entry (winLOOSE…) for the next boot.
# Then reboot the host
# 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}"
sudo systemctl reboot
fi
# Vars {{{
readonly PROGNAME=$(basename "${0}")
readonly PROGDIR=$(readlink -m $(dirname "${0}"))
readonly ARGS="${*}"
readonly NBARGS="${#}"
# 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}"
sudo systemctl reboot
else
readonly GRUB_DEFAULT_PATH='/etc/default/grub'
readonly GRUB_DEFAULT_DIR='/etc/default/grub.d'
readonly WIN_GRUB="2"
# }}}
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 once again.\\n"
fi
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}"
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}"
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
}
# }}}
main
exit 0