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home:gary_lin:branches:Base:System
grub2
80_suse_btrfs_snapshot
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File 80_suse_btrfs_snapshot of Package grub2
#! /bin/sh set -e SNAPSHOTS="/.snapshots" if [ "x${SUSE_BTRFS_SNAPSHOT_BOOTING}" = "xtrue" ] && [ "x${GRUB_FS}" = "xbtrfs" ] && [ -d "${SNAPSHOTS}" ]; then machine=`uname -m` case "x$machine" in xs390 | xs390x) : ;; *) SNAPSHOT_RID=`btrfs inspect-internal rootid ${SNAPSHOTS}` ROOT_RID=`btrfs inspect-internal rootid /` if [ -n "${SNAPSHOT_RID}" -a "${SNAPSHOT_RID}" != "${ROOT_RID}" ]; then SNAPSHOT_SUBVOL=`btrfs inspect-internal subvolid-resolve ${SNAPSHOT_RID} /` ROOT_SUBVOL=`btrfs inspect-internal subvolid-resolve ${ROOT_RID} /` INODE=`stat -c '%i' ${SNAPSHOTS}` if [ "x${INODE}" = "x256" -a "x${ROOT_SUBVOL}${SNAPSHOTS}" != "x${SNAPSHOT_SUBVOL}" ]; then echo "btrfs-mount-subvol (\$root) ${SNAPSHOTS} ${SNAPSHOT_SUBVOL}" fi fi ;; esac cat <<EOF if [ -f "${SNAPSHOTS}/grub-snapshot.cfg" ]; then source "${SNAPSHOTS}/grub-snapshot.cfg" fi EOF fi
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