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@ -3,7 +3,7 @@
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#
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## borg helper script for viewing and restoring backups
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##
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## script written by Asif Bacchus, last updated May 15, 2021.
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## script written by Asif Bacchus, last updated March 26, 2020.
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##
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## The author of this script is not affiliated with 'borgbackup' in any way and
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## does not warrant anything about this script, its operation, suitability or
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@ -17,7 +17,6 @@ trap trapExit 1 2 3 6
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### functions
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cleanup () {
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# remove borg temp directory, if it exists
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# shellcheck disable=SC2154
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if [ -d "${borgBaseDir}/tmp" ]; then
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if ! rm -rf "${borgBaseDir}/tmp" > /dev/null 2>&1; then
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consoleError 3 "Script completed successfully but could not remove temporary directory at '$borgBaseDir/tmp'. Sorry to be messy."
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@ -38,61 +37,61 @@ consoleError() {
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scriptHelp() {
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printf "\n"
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textBlock "${bold}Usage: borghelper.sh [parameters]${norm}"
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textblock "${bold}Usage: borghelper.sh [parameters]${norm}"
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printf "\n"
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textBlock "Simple script to read connection parameters from a flat text file and process borg 'info', 'list' and 'restore' commands without the very long command lines that are required when specifying repo names and passwords, etc."
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textblock "Simple script to read connection parameters from a flat text file and process borg 'info', 'list' and 'restore' commands without the very long command lines that are required when specifying repo names and passwords, etc."
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printf "\n"
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textBlock "${magenta}The script has the following parameters:${norm}"
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textblock "${magenta}The script has the following parameters:${norm}"
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printf "\n"
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textBlock "${magenta}--- Required Parameters ---${norm}"
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textblock "${magenta}--- Required Parameters ---${norm}"
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printf "\n"
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textBlockParams "-v|--vars"
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textBlock "Path to the .borgvars file from which to read borg connection information. This is not required if run with '--makevars'."
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ptextblock "-v|--vars"
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textblock "Path to the .borgvars file from which to read borg connection information. This is not required if run with '--makevars'."
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printf "\n"
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textBlock "${magenta}--- Operation Modes ---${norm}"
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textblock "${magenta}--- Operation Modes ---${norm}"
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printf "\n"
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textBlockParams "--makevars"
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textBlock "Create a sample .borgvars file that you can fill in and use with this script."
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textBlockParams "-i|--info"
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textBlock "Get information about a specified borg repo archive. Requires you supply '--archive'."
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textBlockParams "-l|--list"
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textBlock "List contents of a specified borg repo archive. Requires you supply '--archive'. You can optionally specify a file/pattern to search for using '--file'."
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textBlockParams "-la|--list-all"
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textBlock "List all available archives within the repo specified in your .borgvars file."
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textBlockParams "-r|--restore"
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textBlock "Restore the specified borg repo archive/file(s). Requires you supply '--archive'."
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ptextblock "--makevars"
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textblock "Create a sample .borgvars file that you can fill in and use with this script."
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ptextblock "-i|--info"
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textblock "Get information about a specified borg repo archive. Requires you supply '--archive'."
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ptextblock "-l|--list"
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textblock "List contents of a specified borg repo archive. Requires you supply '--archive'. You can optionally specify a file/pattern to search for using '--file'."
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ptextblock "-la|--list-all"
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textblock "List all available archives within the repo specified in your .borgvars file."
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ptextblock "-r|--restore"
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textblock "Restore the specified borg repo archive/file(s). Requires you supply '--archive'."
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printf "\n"
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textBlock "${magenta}--- Selector Parameters ---${norm}"
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textblock "${magenta}--- Selector Parameters ---${norm}"
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printf "\n"
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textBlockParams "-a|--archive"
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textBlock "The archive within your borg repo you wish to work with."
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textBlockParams "--exclude"
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textBlock "Pattern (python/borg) of files to exclude from a restore operation."
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textBlockParams "-f|--file"
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textBlock "Specific file/pattern (python/borg) within an archive for which you want to restore or search. Requires that you supply '--archive'."
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textBlockParams "-p|--path"
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textBlock "Path to which you want your archive/files restored. This script will attempt to create the directory for you if it does not already exist."
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ptextblock "-a|--archive"
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textblock "The archive within your borg repo you wish to work with."
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ptextblock "--exclude"
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textblock "Pattern (python/borg) of files to exclude from a restore operation."
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ptextblock "-f|--file"
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textblock "Specific file/pattern (python/borg) within an archive for which you want to restore or search. Requires that you supply '--archive'."
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ptextblock "-p|--path"
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textblock "Path to which you want your archive/files restored. This script will attempt to create the directory for you if it does not already exist."
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printf "\n"
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textBlock "${magenta}--- Restore Options ---${norm}"
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textblock "${magenta}--- Restore Options ---${norm}"
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printf "\n"
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textBlockParams "--progress"
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textBlock "Display progress indicator during restore operations. WARNING: This can drastically slow down operations on larger archives!"
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textBlockParams "--verbose"
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textBlock "List the individual files being processed during restore operations."
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ptextblock "--progress"
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textblock "Display progress indicator during restore operations. WARNING: This can drastically slow down operations on larger archives!"
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ptextblock "--verbose"
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textblock "List the individual files being processed during restore operations."
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printf "\n"
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textBlock "${magenta}--- Other Parameters ---${norm}"
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textblock "${magenta}--- Other Parameters ---${norm}"
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printf "\n"
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textBlockParams "-h|-?|--help"
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textBlock "This help screen."
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ptextblock "-h|-?|--help"
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textblock "This help screen."
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printf "\n"
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exit 0
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}
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textBlock() {
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textblock() {
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printf "%s\n" "$1" | fold -w "$width" -s
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}
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textBlockParams() {
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ptextblock() {
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printf "%s%s%s\n" "$cyan" "$1" "$norm"
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}
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@ -102,6 +101,7 @@ trapExit() {
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exit 99
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}
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### text formatting presets
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if command -v tput > /dev/null; then
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bold=$(tput bold)
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@ -119,6 +119,7 @@ else
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width=80
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fi
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### pre-requisites
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# is user root?
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@ -128,7 +129,7 @@ fi
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# has a parameter been passed to this script?
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if [ -z "$1" ]; then
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scriptHelp
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consoleError 1 "No operation requested. Please run this script with '--help' for valid parameters."
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fi
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# process startup parameters
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@ -161,6 +162,7 @@ while [ $# -gt 0 ]; do
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-h|-\?|--help)
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# display help
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scriptHelp
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exit 0
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;;
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-i|--info)
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# show archive information
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@ -220,9 +222,10 @@ while [ $# -gt 0 ]; do
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shift
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done
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### process 'makevars' operation
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if [ "$operation" = 'makevars' ]; then
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if ! printf "sshKeyFile=\nborgBaseDir=\nborgRepo=\nborgRepoPassword=\nborgRepoKey=\nborgRemote=\n" >./sample.borgvars; then
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if ! printf "sshKeyFile=\nborgBaseDir=\nborgRepo=\nborgRepoPassword=\nborgRemote=\n" > ./sample.borgvars; then
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consoleError 4 'Could not write sample borgvars file.'
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else
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exit 0
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@ -273,8 +276,8 @@ if [ "$operation" = 'restore' ]; then
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if [ -d "$restorePath" ]; then
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# convert to absolute path
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restorePath=$(
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cd "$restorePath" ||
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consoleError 5 'Cannot access specified restore directory.'
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cd "$restorePath" || \
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consoleError 5 'Cannot access specified restore directory.'; \
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pwd -P
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)
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if ! touch "${restorePath}/touch.test" > /dev/null 2>&1; then
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@ -286,8 +289,8 @@ if [ "$operation" = 'restore' ]; then
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else
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# convert to absolute path
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restorePath=$(
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cd "$restorePath" ||
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consoleError 5 'Cannot access specified restore directory.'
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cd "$restorePath" || \
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consoleError 5 'Cannot access specified restore directory.'; \
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pwd -P
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)
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if ! touch "${restorePath}/touch.test" > /dev/null 2>&1; then
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@ -303,12 +306,10 @@ fi
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case "${varsFile}" in
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/*)
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# absolute path, no need to rewrite variable
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# shellcheck disable=SC1090
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. "${varsFile}"
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;;
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*)
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# relative path, prepend './' to create absolute path
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# shellcheck disable=SC1090
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. "./${varsFile}"
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;;
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esac
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@ -322,7 +323,6 @@ fi
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export BORG_BASE_DIR="${borgBaseDir%/}"
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## check path to SSH keyfile
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# shellcheck disable=SC2154
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if [ -z "${sshKeyFile}" ]; then
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consoleError 2 "$varsFile: 'sshKeyFile' is not specified."
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elif [ ! -f "${sshKeyFile}" ]; then
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@ -331,14 +331,12 @@ fi
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export BORG_RSH="ssh -i ${sshKeyFile}"
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# check borg repo connect string
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# shellcheck disable=SC2154
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if [ -z "${borgRepo}" ]; then
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consoleError 2 "$varsFile: 'borgRepo' is not specified."
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fi
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export BORG_REPO="${borgRepo}"
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# check borg repo password
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# shellcheck disable=SC2154
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if [ -n "${borgRepoPassword}" ]; then
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export BORG_PASSPHRASE="${borgRepoPassword}"
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elif [ "${borgRepoPassword}" = 'none' ]; then
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@ -347,16 +345,10 @@ else
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consoleError 2 "$varsFile: 'borgRepoPassword' must be specified or must be 'none' if no password has been set (VERY INSECURE!)."
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fi
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# check borg keyfile if supplied
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# shellcheck disable=SC2154
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if [ -n "${borgRepoKey}" ]; then
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export BORG_KEY_FILE="${borgRepoKey}"
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fi
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# export borg remote path, if specified
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# shellcheck disable=SC2154
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if [ -n "${borgRemote}" ]; then export BORG_REMOTE_PATH="${borgRemote}"; fi
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### create borg temp dir:
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## python requires a writable temporary directory when unpacking borg and
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## executing commands. This defaults to /tmp but many systems mount /tmp with
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@ -371,6 +363,7 @@ if [ ! -d "${borgBaseDir}/tmp" ]; then
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fi
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export TMPDIR="${borgBaseDir}/tmp"
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### execute borg operations
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# info operations
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@ -391,31 +384,29 @@ elif [ "$operation" = 'restore' ]; then
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if [ -z "$fileName" ]; then
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# restore entire archive
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if [ "$exclusions" ]; then
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# shellcheck disable=SC2086
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borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}" --exclude "${exclusions}"
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else
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# shellcheck disable=SC2086
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borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}"
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fi
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elif [ "$fileName" ]; then
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# restore file/pattern
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if [ "$exclusions" ]; then
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# shellcheck disable=SC2086
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borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}" "${fileName}" --exclude "${exclusions}"
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else
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# shellcheck disable=SC2086
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borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}" "${fileName}"
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fi
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fi
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fi
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### exit gracefully
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cleanup
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exit 0
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### exit codes
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# 0: no errors, script completed successfully
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# 1: parameter error (missing, non-existent or invalid input)
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# 1: parameter error (missing, non-existant or invalid input)
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# 2: parameter missing/invalid in .borgvars file
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# 3: could not create/remove borg tmp directory
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# 4: could not write sample borgvars file (permissions?)
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