189 lines
7.4 KiB
Bash
Executable File
189 lines
7.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Run -I first to initialize repository
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# There are no automatic repository checks unless -C is given
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# set last edit date + time
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MODULE="file";
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MODULE_VERSION="0.1.0";
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DIR="${BASH_SOURCE%/*}"
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if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
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. "${DIR}/borg.backup.functions.init.sh";
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# include and exclude file
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INCLUDE_FILE="borg.backup.file.include";
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EXCLUDE_FILE="borg.backup.file.exclude";
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BACKUP_INIT_CHECK="borg.backup.file.init";
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. "${DIR}/borg.backup.functions.check.sh";
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# exit if include file is missing
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if [ ! -f "${BASE_FOLDER}${INCLUDE_FILE}" ]; then
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echo "[! $(date +'%F %T')] The include folder file ${INCLUDE_FILE} is missing";
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exit 1;
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fi;
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# folders to backup
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FOLDERS=();
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# this if for debug output with quoted folders
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FOLDERS_Q=();
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# include list
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while read include_folder; do
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# strip any leading spaces from that folder
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include_folder=$(echo "${include_folder}" | sed -e 's/^[ \t]*//');
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# check that those folders exist, warn on error,
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# but do not exit unless there are no valid folders at all
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# skip folders that are with # in front (comment)
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if [[ "${include_folder}" =~ ${REGEX_COMMENT} ]]; then
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echo "# [C] Comment: '${include_folder}'";
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else
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# skip if it is empty
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if [ ! -z "${include_folder}" ]; then
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# if this is a glob, do a double check that the base folder actually exists (?)
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if [[ "${include_folder}" =~ $REGEX_GLOB ]]; then
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# if this is */ then allow it
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# remove last element beyond the last /
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# if there is no path, just allow it (general rule)
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_include_folder=${include_folder%/*};
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# if still a * inside -> add as is, else check for folder
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if [[ "${include_folder}" =~ $REGEX_GLOB ]]; then
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FOLDER_OK=1;
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echo "+ [I] Backup folder with folder path glob '${include_folder}'";
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# glob (*) would be escape so we replace it with a temp part and then reinsert it
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FOLDERS_Q+=($(printf "%q" "$(echo "${include_folder}" | sed 's/\*/_STARGLOB_/g')" | sed 's/_STARGLOB_/\*/g'));
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FOLDERS+=("${include_folder}");
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elif [ ! -d "${_include_folder}" ]; then
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echo "- [I] Backup folder with glob '${include_folder}' does not exist or is not accessable";
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else
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FOLDER_OK=1;
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echo "+ [I] Backup folder with glob '${include_folder}'";
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# we need glob fix
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FOLDERS_Q+=($(printf "%q" "$(echo "${include_folder}" | sed 's/\*/_STARGLOB_/g')" | sed 's/_STARGLOB_/\*/g'));
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FOLDERS+=("${include_folder}");
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fi;
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# normal folder
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elif [ ! -d "${include_folder}" ] && [ ! -e "${include_folder}" ]; then
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echo "- [I] Backup folder or file '${include_folder}' does not exist or is not accessable";
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else
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FOLDER_OK=1;
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# if it is a folder, remove the last / or the symlink check will not work
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if [ -d "${include_folder}" ]; then
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_include_folder=${include_folder%/*};
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else
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_include_folder=${include_folder};
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fi;
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# Warn if symlink & folder -> only smylink will be backed up
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if [ -h "${_include_folder}" ]; then
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echo "~ [I] Target '${include_folder}' is a symbolic link. No real data will be backed up";
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else
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echo "+ [I] Backup folder or file '${include_folder}'";
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fi;
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FOLDERS_Q+=($(printf "%q" "${include_folder}"));
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FOLDERS+=("${include_folder}");
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fi;
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fi;
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fi;
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done<"${BASE_FOLDER}${INCLUDE_FILE}";
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# exclude list
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if [ -f "${BASE_FOLDER}${EXCLUDE_FILE}" ]; then
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# check that the folders in that exclude file are actually valid,
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# remove non valid ones and warn
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#TMP_EXCLUDE_FILE=$(mktemp --tmpdir ${EXCLUDE_FILE}.XXXXXXXX); # non mac
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TMP_EXCLUDE_FILE=$(mktemp "${TEMPDIR}${EXCLUDE_FILE}".XXXXXXXX);
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while read exclude_folder; do
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# strip any leading spaces from that folder
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exclude_folder=$(echo "${exclude_folder}" | sed -e 's/^[ \t]*//');
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# folder or any type of file is ok
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# because of glob files etc, exclude only comments (# start)
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if [[ "${exclude_folder}" =~ ${REGEX_COMMENT} ]]; then
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echo "# [C] Comment: '${exclude_folder}'";
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else
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# skip if it is empty
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if [ ! -z "${exclude_folder}" ]; then
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# if it DOES NOT start with a / we assume free folder and add as is
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if [[ "${exclude_folder}" != /* ]]; then
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echo "${exclude_folder}" >> ${TMP_EXCLUDE_FILE};
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echo "+ [E] General exclude: '${exclude_folder}'";
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# if this is a glob, do a double check that the base folder actually exists (?)
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elif [[ "${exclude_folder}" =~ $REGEX_GLOB ]]; then
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# remove last element beyond the last /
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# if there is no path, just allow it (general rule)
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_exclude_folder=${exclude_folder%/*};
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if [ ! -d "${_exclude_folder}" ]; then
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echo "- [E] Exclude folder with glob '${exclude_folder}' does not exist or is not accessable";
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else
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echo "${exclude_folder}" >> ${TMP_EXCLUDE_FILE};
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echo "+ [E] Exclude folder with glob '${exclude_folder}'";
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fi;
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# do a warning for a possible invalid folder
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# but we do not a exclude if the data does not exist
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elif [ ! -d "${exclude_folder}" ] && [ ! -e "${exclude_folder}" ]; then
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echo "- [E] Exclude folder or file '${exclude_folder}' does not exist or is not accessable";
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else
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echo "${exclude_folder}" >> ${TMP_EXCLUDE_FILE};
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# if it is a folder, remove the last / or the symlink check will not work
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if [ -d "${exclude_folder}" ]; then
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_exclude_folder=${exclude_folder%/*};
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else
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_exclude_folder=${exclude_folder};
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fi;
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# warn if target is symlink folder
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if [ -h "${_exclude_folder}" ]; then
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echo "~ [I] Target '${exclude_folder}' is a symbolic link. No real data will be excluded from backup";
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else
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echo "+ [E] Exclude folder or file '${exclude_folder}'";
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fi;
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fi;
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fi;
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fi;
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done<"${BASE_FOLDER}${EXCLUDE_FILE}";
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# avoid blank file add by checking if the tmp file has a size >0
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if [ -s "${BASE_FOLDER}${EXCLUDE_FILE}" ]; then
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OPT_EXCLUDE="--exclude-from=${TMP_EXCLUDE_FILE}";
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fi;
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fi;
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# add the repository set before we add the folders
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# base command
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COMMAND="borg create -v ${OPT_LIST} ${OPT_PROGRESS} ${OPT_COMPRESSION} -s ${OPT_REMOTE} ${OPT_EXCLUDE} ";
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# add repoistory, after that the folders will be added on call
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COMMAND=${COMMAND}${REPOSITORY}::${BACKUP_SET};
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# if info print info and then abort run
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. "${DIR}/borg.backup.functions.info.sh";
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if [ $FOLDER_OK -eq 1 ]; then
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echo "--- [BACKUP: $(date +'%F %T')] ------------------------------------------->";
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# show command
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if [ ${DEBUG} -eq 1 ]; then
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echo $(echo ${COMMAND} | sed -e 's/[ ][ ]*/ /g') ${FOLDERS_Q[*]};
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fi;
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# execute backup command
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if [ ${DRYRUN} -eq 0 ]; then
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# need to redirect std error to std out so all data is printed to the correct pipe
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# for the IFS="#" to work we need to replace options spaces with exactly ONE #
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$(echo "${COMMAND}" | sed -e 's/[ ][ ]*/#/g') ${FOLDERS[*]} 2>&1 || echo "[!] Borg backup aborted.";
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fi;
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# remove the temporary exclude file if it exists
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if [ -f "${TMP_EXCLUDE_FILE}" ]; then
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rm -f "${TMP_EXCLUDE_FILE}";
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fi;
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else
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echo "[! $(date +'%F %T')] No folders where set for the backup";
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exit 1;
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fi;
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# clean up, always verbose
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echo "--- [PRUNE : $(date +'%F %T')] ------------------------------------------->";
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# build command
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COMMAND="borg prune ${OPT_REMOTE} -v -s --list ${PRUNE_DEBUG} ${KEEP_OPTIONS[*]} ${REPOSITORY}";
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echo "Prune repository with keep${KEEP_INFO:1}";
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if [ ${DEBUG} -eq 1 ]; then
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echo "${COMMAND//#/ }" | sed -e 's/[ ][ ]*/ /g';
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fi;
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# for the IFS="#" to work we need to replace options spaces with exactly ONE #
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$(echo "${COMMAND}" | sed -e 's/[ ][ ]*/#/g') 2>&1 || echo "[!] Borg prune aborted";
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. "${DIR}/borg.backup.functions.close.sh";
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# __END__
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