48 lines
1.3 KiB
Bash
Executable File
48 lines
1.3 KiB
Bash
Executable File
#!/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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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly PROGDIR=$(readlink -m $(dirname "${0}"))
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readonly ARGS="${*}"
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readonly NBARGS="${#}"
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readonly GRUB_DEFAULT_PATH='/etc/default/grub'
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readonly GRUB_DEFAULT_DIR='/etc/default/grub.d'
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readonly WIN_GRUB="2"
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# }}}
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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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sudo systemctl reboot
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fi
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# Otherwise check the default grub file
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if grep -q -E -- "^GRUB_DEFAULT=saved" "${GRUB_DEFAULT_PATH}"
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then
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printf '%b' "Reboot to windaube partition\\n"
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sudo grub-reboot "${WIN_GRUB}"
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sudo systemctl reboot
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else
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printf '%b' "GRUB_DEFAULT is not set in 'saved' mode\\n"
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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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fi
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}
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# }}}
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main
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exit 0
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