diff options
| -rwxr-xr-x | squashfu | 48 |
1 files changed, 46 insertions, 2 deletions
@@ -89,7 +89,7 @@ create_new_bin () { mount_squash () { # Arguments: none # Returns: return code of mount command - debug "Mounting Squash" + info "Mounting squash" mount -o loop,ro "$SEED" "$SQUASH_MOUNT" return $? } @@ -353,6 +353,47 @@ action_resquash_now () { exit $? } +action_restore () { + + [[ -z $1 ]] && die "Missing parameter from restore. Provide a full path to the restore target." + [[ $UID != 0 ]] && die "Must be root to restore." + + IFS=$'\n' read -r -d $'\0' -a results < <(find $BINS_DIR/*/$(dirname $1)/$(basename $1) -maxdepth 0 2>/dev/null) + + [[ ${#results[@]} -eq 0 ]] && die "Target not found: '$1'" + + declare -a snaps + + info "Found $(basename $1) in the following backups:" + for result in "${results[@]}"; do + local bin=$(sed -n "s|$BINS_DIR/\([0-9]*\)$1|\1|p" <<< "$result") + local bkupdate=$(sed -n "s|^$bin:\([0-9]*\)$|\1|p" $BINVENTORY) + snaps[$bin]=$bkupdate + + printf " %d\t%s\n" $bin "$(date --date="@$bkupdate")" + done + + local reply + while [[ -z ${snaps[$reply]} ]]; do + read -p "Which snapshot to restore from? " reply + [[ -z ${snaps[$reply]} ]] && warn "Invalid bin" + done + + local bin_list=($(sed -n 's/[\t\ ]*\([0-9]*\):.*/\1/p' "$BINVENTORY")) + local num=$(grep -nh "^$reply:" $BINVENTORY | cut -d: -f1) + + mountpoint -q $UNION_MOUNT && unmount_union + + mount_squash || die "Failed to mount seed" + mount_union_with_bins ${bin_list[@]:0:$num} || die "Failed to mount union" + + # XXX: Move the contents, not the dir (avoid extra subdir) + rsync -av "$UNION_MOUNT/$1" "$(basename $1).${snaps[$reply]}" + + unmount_all + +} + action_unmount () { unmount_all } @@ -400,7 +441,7 @@ HELP [[ $# -eq 0 ]] && usage -while getopts :BCD:QR:Uc: opt; do +while getopts :BG:CD:QR:Uc: opt; do case $opt in B) [[ -n $action ]] && die "only one operation may be used at a time" @@ -411,6 +452,9 @@ while getopts :BCD:QR:Uc: opt; do D) [[ -n $action ]] && die "only one operation may be used at a time" action="remove_bin $OPTARG" ;; + G) + [[ -n $action ]] && die "only one operation may be used at a time" + action="restore $OPTARG" ;; Q) [[ -n $action ]] && die "only one operation may be used at a time" action=report ;; |