Exit on failure and refactoring
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4da7cdad05
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winboot
41
winboot
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@ -1,7 +1,7 @@
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#!/bin/sh
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# This script set a specific grub entry (winLOOSE…) for the next boot.
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# Then reboot the host
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# Then reboot the host (by default) or just poweroff (if requested).
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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@ -74,28 +74,35 @@ main() { # {{{
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# First check in Grub default dir if saved mode is set
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if grep -q -E -R -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_DIR}"
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then
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printf '%b' "Reboot to windaube partition\\n"
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sudo grub-reboot "${WIN_GRUB}"
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[ "${REBOOT}" -eq "0" ] && sudo systemctl reboot
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[ "${HALT}" -eq "0" ] && sudo systemctl poweroff
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fi
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debug_message "saved mode is enable in ${GRUB_DEFAULT_DIR} dir"
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# Otherwise check the default grub file
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if grep -q -E -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_PATH}"
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# Second check the default grub file
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elif grep -q -E -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_PATH}"
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then
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printf '%b' "Reboot to windaube partition\\n"
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sudo grub-reboot "${WIN_GRUB}"
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[ "${REBOOT}" -eq "0" ] && sudo systemctl reboot
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[ "${HALT}" -eq "0" ] && sudo systemctl poweroff
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debug_message "saved mode is enable in ${GRUB_DEFAULT_PATH} file"
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# Otherwise enable saved mode
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else
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printf '%b' "GRUB_DEFAULT is not set in 'saved' mode\\n"
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printf '%b' "GRUB_DEFAULT is not set in 'saved' mode\n"
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debug_message "Enable grub saved mode in ${GRUB_DEFAULT_PATH} file"
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sudo sed -i 's/\(^GRUB_DEFAULT.*\)/#\1\nGRUB_DEFAULT=saved/' "${GRUB_DEFAULT_PATH}"
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GRUB_DEFAULT_ENTRY=$(grep -E -- "#GRUB_DEFAULT=" "${GRUB_DEFAULT_PATH}" | cut -d"=" -f2)
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sudo grub-set-default "${GRUB_DEFAULT_ENTRY}"
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sudo update-grub
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printf '%b' "Please launch this script (${PROGDIR}/${PROGNAME} ${ARGS}) once again.\\n"
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## Set current GRUB_DEFAULT as default grub's entry
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## Exit if fails
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sudo grub-set-default "${GRUB_DEFAULT_ENTRY}" \
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|| exit 1
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## Try to update grub's configuration
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## Exit if fails
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sudo update-grub \
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|| exit 2
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fi
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printf '%b' "Reboot to windaube partition\\n"
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sudo grub-reboot "${WIN_GRUB}"
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[ "${REBOOT}" -eq "0" ] && sudo systemctl reboot
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[ "${HALT}" -eq "0" ] && sudo systemctl poweroff
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}
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# }}}
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