style: cleanup formatting, spelling

- use project-custom dictionary
- cleanup spelling mistakes
- rename functions to conform with camelCase for spellcheck
- reformat file: spacing, indentation

.idea/.idea.borgScripts.dir/.idea/.gitignore

@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/.idea.borgScripts.iml
+/modules.xml
+/contentModel.xml
+/projectSettingsUpdater.xml
+# Datasource local storage ignored files
+/../../../../../../../../../:\Redirected\Asif\Documents\RiderProjects\borgScripts\.idea\.idea.borgScripts.dir\.idea/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/.idea.borgScripts.dir/.idea/dictionaries/asif.xml

@@ -0,0 +1,12 @@
+<component name="ProjectDictionaryState">
+  <dictionary name="asif">
+    <words>
+      <w>borgbackup</w>
+      <w>borghelper</w>
+      <w>borgvars</w>
+      <w>listall</w>
+      <w>makevars</w>
+      <w>viewarchive</w>
+    </words>
+  </dictionary>
+</component>

.idea/.idea.borgScripts.dir/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ContentModelUserStore">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.borgScripts.dir/.idea/riderModule.iml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="RIDER_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$/../.." />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/.idea.borgScripts.dir/.idea/vcs.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CommitMessageInspectionProfile">
+    <profile version="1.0">
+      <inspection_tool class="BodyLimit" enabled="true" level="ERROR" enabled_by_default="true" />
+      <inspection_tool class="SubjectBodySeparation" enabled="true" level="ERROR" enabled_by_default="true" />
+      <inspection_tool class="SubjectLimit" enabled="true" level="ERROR" enabled_by_default="true" />
+    </profile>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.vscode/numbered-bookmarks.json

@@ -1,3 +0,0 @@
-{
-	"bookmarks": []
-}

borghelper.sh

@@ -3,7 +3,7 @@
 #
 ## borg helper script for viewing and restoring backups
 ##
-## script written by Asif Bacchus, last updated March 26, 2020.
+## script written by Asif Bacchus, last updated May 15, 2021.
 ##
 ## The author of this script is not affiliated with 'borgbackup' in any way and
 ## does not warrant anything about this script, its operation, suitability or
@@ -15,15 +15,16 @@
 trap trapExit 1 2 3 6
 
 ### functions
-cleanup () {
+cleanup() {
     # remove borg temp directory, if it exists
+    # shellcheck disable=SC2154
     if [ -d "${borgBaseDir}/tmp" ]; then
-        if ! rm -rf "${borgBaseDir}/tmp" > /dev/null 2>&1; then
+        if ! rm -rf "${borgBaseDir}/tmp" >/dev/null 2>&1; then
             consoleError 3 "Script completed successfully but could not remove temporary directory at '$borgBaseDir/tmp'. Sorry to be messy."
         fi
     fi
     if [ -f "${restorePath}/touch.test" ]; then
-        if ! rm -f "${restorePath}/touch.test" > /dev/null 2>&1; then
+        if ! rm -f "${restorePath}/touch.test" >/dev/null 2>&1; then
             consoleError 5 "Script completed successfully but could not remove test file at '$restorePath/touch.test'. Sorry to be messy."
         fi
     fi
@@ -37,73 +38,72 @@ consoleError() {
 
 scriptHelp() {
     printf "\n"
-    textblock "${bold}Usage: borghelper.sh [parameters]${norm}"
+    textBlock "${bold}Usage: borghelper.sh [parameters]${norm}"
     printf "\n"
-    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."
+    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."
     printf "\n"
-    textblock "${magenta}The script has the following parameters:${norm}"
+    textBlock "${magenta}The script has the following parameters:${norm}"
     printf "\n"
-    textblock "${magenta}--- Required Parameters ---${norm}"
+    textBlock "${magenta}--- Required Parameters ---${norm}"
     printf "\n"
-    ptextblock "-v|--vars"
-    textblock "Path to the .borgvars file from which to read borg connection information. This is not required if run with '--makevars'."
+    textBlockParams "-v|--vars"
+    textBlock "Path to the .borgvars file from which to read borg connection information. This is not required if run with '--makevars'."
     printf "\n"
-    textblock "${magenta}--- Operation Modes ---${norm}"
+    textBlock "${magenta}--- Operation Modes ---${norm}"
     printf "\n"
-    ptextblock "--makevars"
-    textblock "Create a sample .borgvars file that you can fill in and use with this script."
-    ptextblock "-i|--info"
-    textblock "Get information about a specified borg repo archive. Requires you supply '--archive'."
-    ptextblock "-l|--list"
-    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'."
-    ptextblock "-la|--list-all"
-    textblock "List all available archives within the repo specified in your .borgvars file."
-    ptextblock "-r|--restore"
-    textblock "Restore the specified borg repo archive/file(s). Requires you supply '--archive'."
+    textBlockParams "--makevars"
+    textBlock "Create a sample .borgvars file that you can fill in and use with this script."
+    textBlockParams "-i|--info"
+    textBlock "Get information about a specified borg repo archive. Requires you supply '--archive'."
+    textBlockParams "-l|--list"
+    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'."
+    textBlockParams "-la|--list-all"
+    textBlock "List all available archives within the repo specified in your .borgvars file."
+    textBlockParams "-r|--restore"
+    textBlock "Restore the specified borg repo archive/file(s). Requires you supply '--archive'."
     printf "\n"
-    textblock "${magenta}--- Selector Parameters ---${norm}"
+    textBlock "${magenta}--- Selector Parameters ---${norm}"
     printf "\n"
-    ptextblock "-a|--archive"
-    textblock "The archive within your borg repo you wish to work with."
-    ptextblock "--exclude"
-    textblock "Pattern (python/borg) of files to exclude from a restore operation."
-    ptextblock "-f|--file"
-    textblock "Specific file/pattern (python/borg) within an archive for which you want to restore or search. Requires that you supply '--archive'."
-    ptextblock "-p|--path"
-    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."
+    textBlockParams "-a|--archive"
+    textBlock "The archive within your borg repo you wish to work with."
+    textBlockParams "--exclude"
+    textBlock "Pattern (python/borg) of files to exclude from a restore operation."
+    textBlockParams "-f|--file"
+    textBlock "Specific file/pattern (python/borg) within an archive for which you want to restore or search. Requires that you supply '--archive'."
+    textBlockParams "-p|--path"
+    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."
     printf "\n"
-    textblock "${magenta}--- Restore Options ---${norm}"
+    textBlock "${magenta}--- Restore Options ---${norm}"
     printf "\n"
-    ptextblock "--progress"
-    textblock "Display progress indicator during restore operations. WARNING: This can drastically slow down operations on larger archives!"
-    ptextblock "--verbose"
-    textblock "List the individual files being processed during restore operations."
+    textBlockParams "--progress"
+    textBlock "Display progress indicator during restore operations. WARNING: This can drastically slow down operations on larger archives!"
+    textBlockParams "--verbose"
+    textBlock "List the individual files being processed during restore operations."
     printf "\n"
-    textblock "${magenta}--- Other Parameters ---${norm}"
+    textBlock "${magenta}--- Other Parameters ---${norm}"
     printf "\n"
-    ptextblock "-h|-?|--help"
-    textblock "This help screen."
+    textBlockParams "-h|-?|--help"
+    textBlock "This help screen."
     printf "\n"
     exit 0
 }
 
-textblock() {
+textBlock() {
     printf "%s\n" "$1" | fold -w "$width" -s
 }
 
-ptextblock() {
+textBlockParams() {
     printf "%s%s%s\n" "$cyan" "$1" "$norm"
 }
 
-trapExit () {
+trapExit() {
     cleanup
     printf "%s\nScript execution terminated via signal.\n\n%s" "$err" "$norm"
     exit 99
 }
 
-
 ### text formatting presets
-if command -v tput > /dev/null; then
+if command -v tput >/dev/null; then
     bold=$(tput bold)
     cyan=$(tput setaf 6)
     err=$(tput bold)$(tput setaf 1)
@@ -119,23 +119,22 @@ else
     width=80
 fi
 
-
 ### pre-requisites
 
 # is user root?
-if [ ! "$( id -u )" -eq 0 ]; then
+if [ ! "$(id -u)" -eq 0 ]; then
     consoleError 1 'You must be root to run this script.'
 fi
 
 # has a parameter been passed to this script?
 if [ -z "$1" ]; then
-    consoleError 1 "No operation requested. Please run this script with '--help' for valid parameters."
+    scriptHelp
 fi
 
 # process startup parameters
 while [ $# -gt 0 ]; do
     case "$1" in
-        -a|--archive)
+    -a | --archive)
         # name of backup archive
         if [ -z "$2" ]; then
             consoleError 1 "Please provide the name of the backup archive you want to work with or use '--list-all' to get a full list."
@@ -151,7 +150,7 @@ while [ $# -gt 0 ]; do
         exclusions="$2"
         shift
         ;;
-        -f|--file)
+    -f | --file)
         # specific file/pattern to restore
         if [ -z "$2" ]; then
             consoleError 1 'Please provide the name of the specific file/pattern for which you want to restore or search.'
@@ -159,21 +158,20 @@ while [ $# -gt 0 ]; do
         fileName="$2"
         shift
         ;;
-        -h|-\?|--help)
+    -h | -\? | --help)
         # display help
         scriptHelp
-            exit 0
         ;;
-        -i|--info)
+    -i | --info)
         # show archive information
         operation='info'
         ;;
-        -l|--list)
+    -l | --list)
         # list contents of specific backup
         operation='viewarchive'
         ;;
 
-        -la|--list-all)
+    -la | --list-all)
         # list all backup archives
         operation='listall'
         ;;
@@ -181,7 +179,7 @@ while [ $# -gt 0 ]; do
         # make a borgvars template file
         operation='makevars'
         ;;
-        -p|--path)
+    -p | --path)
         # path to restore files
         if [ -z "$2" ]; then
             consoleError 1 'Please specify a path where you want files restored.'
@@ -193,11 +191,11 @@ while [ $# -gt 0 ]; do
         # show progress
         commonOptions="$commonOptions --progress"
         ;;
-        -r|--restore)
+    -r | --restore)
         # restore archive/file
         operation='restore'
         ;;
-        -v|--vars)
+    -v | --vars)
         # location of borgvars file
         if [ -z "$2" ]; then
             consoleError 1 'Please provide the path to the file with your borg connection information.'
@@ -222,10 +220,9 @@ while [ $# -gt 0 ]; do
     shift
 done
 
-
 ### process 'makevars' operation
 if [ "$operation" = 'makevars' ]; then
-    if ! printf "sshKeyFile=\nborgBaseDir=\nborgRepo=\nborgRepoPassword=\nborgRemote=\n" > ./sample.borgvars; then
+    if ! printf "sshKeyFile=\nborgBaseDir=\nborgRepo=\nborgRepoPassword=\nborgRepoKey=\nborgRemote=\n" >./sample.borgvars; then
         consoleError 4 'Could not write sample borgvars file.'
     else
         exit 0
@@ -276,24 +273,24 @@ if [ "$operation" = 'restore' ]; then
     if [ -d "$restorePath" ]; then
         # convert to absolute path
         restorePath=$(
-            cd "$restorePath" || \
-            consoleError 5 'Cannot access specified restore directory.'; \
+            cd "$restorePath" ||
+                consoleError 5 'Cannot access specified restore directory.'
             pwd -P
         )
-        if ! touch "${restorePath}/touch.test" > /dev/null 2>&1; then
+        if ! touch "${restorePath}/touch.test" >/dev/null 2>&1; then
             consoleError 5 'Cannot write to specified restore directory.'
         fi
     else
-        if ! mkdir -p "${restorePath}" > /dev/null 2>&1; then
+        if ! mkdir -p "${restorePath}" >/dev/null 2>&1; then
             consoleError 5 'Cannot create specified restore directory.'
         else
             # convert to absolute path
             restorePath=$(
-                cd "$restorePath" || \
-                consoleError 5 'Cannot access specified restore directory.'; \
+                cd "$restorePath" ||
+                    consoleError 5 'Cannot access specified restore directory.'
                 pwd -P
             )
-            if ! touch "${restorePath}/touch.test" > /dev/null 2>&1; then
+            if ! touch "${restorePath}/touch.test" >/dev/null 2>&1; then
                 consoleError 5 'Cannot write to specified restore directory.'
             fi
         fi
@@ -304,12 +301,14 @@ fi
 
 # check if file was provided as a relative or absolute path
 case "${varsFile}" in
-    /*)
+/*)
     # absolute path, no need to rewrite variable
+    # shellcheck disable=SC1090
     . "${varsFile}"
     ;;
-    *)
+*)
     # relative path, prepend './' to create absolute path
+    # shellcheck disable=SC1090
     . "./${varsFile}"
     ;;
 esac
@@ -323,6 +322,7 @@ fi
 export BORG_BASE_DIR="${borgBaseDir%/}"
 
 ## check path to SSH keyfile
+# shellcheck disable=SC2154
 if [ -z "${sshKeyFile}" ]; then
     consoleError 2 "$varsFile: 'sshKeyFile' is not specified."
 elif [ ! -f "${sshKeyFile}" ]; then
@@ -331,12 +331,14 @@ fi
 export BORG_RSH="ssh -i ${sshKeyFile}"
 
 # check borg repo connect string
+# shellcheck disable=SC2154
 if [ -z "${borgRepo}" ]; then
     consoleError 2 "$varsFile: 'borgRepo' is not specified."
 fi
 export BORG_REPO="${borgRepo}"
 
 # check borg repo password
+# shellcheck disable=SC2154
 if [ -n "${borgRepoPassword}" ]; then
     export BORG_PASSPHRASE="${borgRepoPassword}"
 elif [ "${borgRepoPassword}" = 'none' ]; then
@@ -345,9 +347,15 @@ else
     consoleError 2 "$varsFile: 'borgRepoPassword' must be specified or must be 'none' if no password has been set (VERY INSECURE!)."
 fi
 
-# export borg remote path, if specified
-if [ -n "${borgRemote}" ]; then export BORG_REMOTE_PATH="${borgRemote}"; fi
+# check borg keyfile if supplied
+# shellcheck disable=SC2154
+if [ -n "${borgRepoKey}" ]; then
+    export BORG_KEY_FILE="${borgRepoKey}"
+fi
 
+# export borg remote path, if specified
+# shellcheck disable=SC2154
+if [ -n "${borgRemote}" ]; then export BORG_REMOTE_PATH="${borgRemote}"; fi
 
 ### create borg temp dir:
 ## python requires a writable temporary directory when unpacking borg and
@@ -363,7 +371,6 @@ if [ ! -d "${borgBaseDir}/tmp" ]; then
 fi
 export TMPDIR="${borgBaseDir}/tmp"
 
-
 ### execute borg operations
 
 # info operations
@@ -384,29 +391,31 @@ elif [ "$operation" = 'restore' ]; then
     if [ -z "$fileName" ]; then
         # restore entire archive
         if [ "$exclusions" ]; then
+            # shellcheck disable=SC2086
             borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}" --exclude "${exclusions}"
         else
+            # shellcheck disable=SC2086
             borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}"
         fi
     elif [ "$fileName" ]; then
         # restore file/pattern
         if [ "$exclusions" ]; then
+            # shellcheck disable=SC2086
             borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}" "${fileName}" --exclude "${exclusions}"
         else
+            # shellcheck disable=SC2086
             borg --show-rc ${commonOptions} extract ${restoreOptions} ::"${archiveName}" "${fileName}"
         fi
     fi
 fi
 
-
 ### exit gracefully
 cleanup
 exit 0
 
-
 ### exit codes
 # 0:    no errors, script completed successfully
-# 1:    parameter error (missing, non-existant or invalid input)
+# 1:    parameter error (missing, non-existent or invalid input)
 # 2:    parameter missing/invalid in .borgvars file
 # 3:    could not create/remove borg tmp directory
 # 4:    could not write sample borgvars file (permissions?)