indexschemas

#!/usr/bin/env bash

# indexschemas
# This script makes a text file listing certain files from the ltfs schema file.

SCRIPTDIR=$(dirname "${0}")

. "${SCRIPTDIR}/mmfunctions" || { echo "Missing '${SCRIPTDIR}/mmfunctions'. Exiting." ; exit 1 ; }

_check_for_lto_index_dir
LTO_LOGS="${LTO_INDEX_DIR}"

unset VERSION
if [[ $(dirname $(command -v "${0}")) = "/usr/local/bin" || $(dirname $(command -v "${0}")) = "${HOME}/.linuxbrew/bin" ]] ; then
    VERSION=$(TMP=$(brew info ltopers | grep ".*\*$" | grep -Eo "/ltopers/.* \(") ; echo "${TMP:9:(${#TMP}-11)}")
fi

_usage(){
    cat <<EOF
$(basename "${0}") ${VERSION}
This script makes a text file listing certain files from the LTFS schema
file.

Usage: $(basename "${0}") -t | -h
  -t  check schema files modified today for volume names that may need
      to be overwritten
  -h  display this help
EOF
}

OPTIND=1
while getopts ":th" opt ; do
    case "${opt}" in
        t) TODAYCHECK=(-mtime -24h) ;;
        h) _usage ; exit 0 ;;
        *) echo "Error: Bad option -${OPTARG}" ; _usage ; exit 1 ;;
    esac
done
shift "$((OPTIND-1))"

renameschemas -u

find "${LTO_LOGS}" -iname "*.schema" -maxdepth 1 -mindepth 1 "${TODAYCHECK[@]}" | while read LTO_SCHEMA ; do
    LTO_ID=$(basename "${LTO_SCHEMA%.*}")
    LTO_INDEX="${LTO_LOGS}/${LTO_ID}_index.txt"
    LTO_NAMESIZE="${LTO_LOGS}/${LTO_ID}_namesize.txt"
    BARCODE_OVERWRITE=$(xml sel -t -m "/ltfsindex" -v "directory/contents/file/name[substring-before(., '_') = 'barcode']" "${LTO_SCHEMA}" | cut -d_ -f 2 | cut -d. -f1)
    if [[ ! -z "${BARCODE_OVERWRITE}" && "${BARCODE_OVERWRITE}" != "${LTO_ID}" ]] ; then
        OVERWRITE_NAME=$(dirname "${LTO_SCHEMA}")/"${BARCODE_OVERWRITE}.schema"
        if [[ -f "${OVERWRITE_NAME}" ]] ; then
            OVERWRITE_NAME=$(dirname "${LTO_SCHEMA}")/"${BARCODE_OVERWRITE}x.schema"
        fi
        echo "An overwrite is requested to $(basename "${LTO_SCHEMA}") changing to ${BARCODE_OVERWRITE}."
        mv -v "${LTO_SCHEMA}" "${OVERWRITE_NAME}"
        LTO_SCHEMA="${OVERWRITE_NAME}"
    fi
    if [ "${LTO_SCHEMA}" -nt "${LTO_INDEX}" ] ; then
        echo "Updating index for ${LTO_ID}."
        xml sel -t -m ".//file" -m "ancestor-or-self::directory" -v "name" -o "/" -b -v name -n "${LTO_SCHEMA}" | grep -v "/metadata/\|/access/\|/trimmed_materials/" > "${LTO_INDEX}"
        xml sel -t -m ".//file" -m "ancestor-or-self::directory" -v "name" -o "/" -b -v name -o " " -v length -n "${LTO_SCHEMA}" | grep -v "/metadata/\|/access/\|/trimmed_materials/" | awk -F/ '{print $NF}' > "${LTO_NAMESIZE}"
    fi
done