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optimize grub snapshot generation

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user 2023-08-07 08:28:05 +02:00
parent d6ef4ce3c3
commit e6422b1d82
1 changed files with 2 additions and 1 deletions
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3
configs/grub.d/40_snapshots
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@ -10,13 +10,14 @@ if [ -f "/etc/grub-snapshot" ]; then
echo "submenu 'Snapshot options for SpectreOS' \$menuentry_id_option 'gnulinux-snapshot-$boot_device_id' {" echo "submenu 'Snapshot options for SpectreOS' \$menuentry_id_option 'gnulinux-snapshot-$boot_device_id' {"
is_top_level=false is_top_level=false
snapshotanzahl="$(expr $(wc -l /etc/grub-snapshot | awk '{print $1}') + 1)" snapshotanzahl="$(expr $(wc -l /etc/grub-snapshot | awk '{print $1}') + 1)"
grub_output=$(/etc/grub.d/10_linux)
while (( "$(expr $snapshotanzahl - 1)" )); do while (( "$(expr $snapshotanzahl - 1)" )); do
snapshotanzahl=`expr ${snapshotanzahl} - 1` snapshotanzahl=`expr ${snapshotanzahl} - 1`
SNAPSHOTNAME="$(cat /etc/grub-snapshot | sed ''$snapshotanzahl'!d')" SNAPSHOTNAME="$(cat /etc/grub-snapshot | sed ''$snapshotanzahl'!d')"
SNAPSHOT="rootflags=subvol=${SNAPSHOTNAME}" SNAPSHOT="rootflags=subvol=${SNAPSHOTNAME}"
export GRUB_CMDLINE_LINUX="${SNAPSHOT} ${GRUB_CMDLINE_LINUX#* }" export GRUB_CMDLINE_LINUX="${SNAPSHOT} ${GRUB_CMDLINE_LINUX#* }"
/etc/grub.d/10_linux | python /usr/bin/extract-menuentry.py "Snapshot ${SNAPSHOT#*@}" echo "$grub_output" | python /usr/bin/extract-menuentry.py "Snapshot ${SNAPSHOT#*@}"
done done
echo '}' echo '}'
fi fi