feature(version): add param to display version

- as per user request

.gitattributes

@@ -20,7 +20,7 @@
 *.PDF      diff=astextplain
 *.rtf      diff=astextplain
 *.RTF      diff=astextplain
-*.md       text
+*.md       text diff=markdown
 *.tex      text diff=tex
 *.adoc     text
 *.textile  text
@@ -30,6 +30,7 @@
 *.tsv      text
 *.txt      text
 *.sql      text
+*.ps1      text eol=crlf
 
 # Graphics
 *.png      binary
@@ -48,11 +49,28 @@
 
 # Scripts
 *.bash     text eol=lf
+*.fish     text eol=lf
 *.sh       text eol=lf
 # These are explicitly windows files and should use crlf
 *.bat      text eol=crlf
 *.cmd      text eol=crlf
-*.ps1      text eol=crlf
+
+# web frontend stack -- force LF so SRI hashes are always correct
+*.html     text eol=lf
+*.htm      text eol=lf
+*.css      text eol=lf
+*.min.css  text eol=lf
+*.js       text eol=lf
+*.min.js   text eol=lf
+*.php      text eol=lf
+
+# Visual Studio projects (Rider also)
+*.cs     diff=csharp
+*.sln    merge=union
+*.csproj merge=union
+*.vbproj merge=union
+*.fsproj merge=union
+*.dbproj merge=union
 
 # Serialisation
 *.json     text
@@ -65,12 +83,18 @@
 *.7z       binary
 *.gz       binary
 *.tar      binary
+*.tgz      binary
 *.zip      binary
 
+# Text files where line endings should be preserved
+*.patch    -text
+
 #
 # Exclude files from exporting
 #
 
 .gitattributes  export-ignore
 .gitignore      export-ignore
+.gitkeep        export-ignore
+.idea           export-ignore
 .vscode         export-ignore

.gitignore

@@ -1,10 +1,27 @@
-# ignore all vscode config files
+#
-.vscode/*
+# JetBrains exclusions
-!.vscode/settings.json
+#
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
-!.vscode/numbered-bookmarks.json
 
-# ignore all generated logfiles
+# User-specific stuff
-*.log
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# modules
+.idea_modules/
+
+# Editor-based Rest Client
+.idea/httpRequests

.idea/.idea.MailcowBackup.dir/.idea/git_toolbox_prj.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GitToolBoxProjectSettings">
+    <option name="commitMessageIssueKeyValidationOverride">
+      <BoolValueOverride>
+        <option name="enabled" value="true" />
+      </BoolValueOverride>
+    </option>
+    <option name="commitMessageValidationEnabledOverride">
+      <BoolValueOverride>
+        <option name="enabled" value="true" />
+      </BoolValueOverride>
+    </option>
+  </component>
+</project>

.idea/.idea.MailcowBackup.dir/.idea/indexLayout.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ContentModelUserStore">
+  <component name="UserContentModel">
     <attachedFolders />
     <explicitIncludes />
     <explicitExcludes />

.idea/.idea.MailcowBackup.dir/.idea/riderModule.iml

@@ -1,7 +0,0 @@
-<?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.MailcowBackup.dir/.idea/vcs.xml

@@ -4,7 +4,9 @@
     <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" />
+      <inspection_tool class="SubjectLimit" enabled="true" level="WARNING" enabled_by_default="true">
+        <option name="RIGHT_MARGIN" value="50" />
+      </inspection_tool>
     </profile>
   </component>
   <component name="VcsDirectoryMappings">

.vscode/numbered-bookmarks.json

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

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Asif Bacchus
+Copyright (c) 2020-2022 Asif Bacchus (asif@asifbacchus.dev)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

backup/backup.details

@@ -20,6 +20,11 @@
 # default is "$HOME" or "~$USER" in that order.  If you're unsure, try "$HOME"
 borgBaseDir="/var/borgbackup"
 
+# SSH port on which your borg server listens. To connect on a custom port,
+# uncomment the line below and change the port number as required.
+# If you leave this line commented, the default (port 22) will be used.
+#borgSSHPort=22
+
 # full path to the SSH key used to connect to your remote backup server
 borgSSHKey="/var/borgbackup/private.key"
 

backup/backup.sh

@@ -8,7 +8,6 @@
 ###     3. remote repo already set-up and configured
 #######
 
-
 ### text formatting presents
 if command -v tput >/dev/null; then
     bold=$(tput bold)
@@ -32,11 +31,9 @@ else
     yellow=""
 fi
 
-
 ### trap
 trap trapExit 1 2 3 6
 
-
 ### functions
 
 # bad configuration value passed in details file
@@ -153,6 +150,10 @@ scriptHelp() {
     newline
     textblock "${magenta}--- script related parameters ---${norm}"
     newline
+    switchTextblock "-b | --borg"
+    textblock "FULL path to borg executable file if not in the default location."
+    defaultsTextblock "(/usr/bin/borg)"
+    newline
     switchTextblock "-c | --config | --details"
     textblock "Path to the configuration key/value-pair file for this script."
     defaultsTextblock "(scriptPath/scriptName.details)"
@@ -164,6 +165,10 @@ scriptHelp() {
     textblock "Path to write log file"
     defaultsTextblock "(scriptPath/scriptName.log)"
     newline
+    switchTextblock "[SWITCH] --nc | --no-color | --no-colour"
+    textblock "Do NOT use ANSI colourization in the log file (in case your preferred log viewer does not support it)."
+    defaultsTextblock "(use ANSI colourization to make log file look good)"
+    newline
     switchTextblock "--compression"
     textblock "Compression algorithm(s) that borg should use. Please run 'borg help compression' for details."
     defaultsTextblock "(not specified, use borg default of lz4)"
@@ -243,20 +248,22 @@ trapExit() {
 
 ### end of functions
 
-
 ### default variable values
 
 ## script related
 # store logfile in the same directory as this script file using the same file
 # name as the script but with the extension '.log'
-scriptPath="$( CDPATH='' cd -- "$( dirname -- "$0" )" && pwd -P )"
+scriptVersion="4.0"
+scriptPath="$(CDPATH='' \cd -- "$(dirname -- "$0")" && pwd -P)"
 scriptName="$(basename "$0")"
 logFile="$scriptPath/${scriptName%.*}.log"
+colourizeLogFile=1
 warnCount=0
 configDetails="$scriptPath/${scriptName%.*}.details"
 err503Copied=0
 sqlDumpDirCreated=0
 exclusions=0
+borgPath="/usr/bin/borg"
 # borg output verbosity -- normal
 borgCreateParams='--stats'
 borgPruneParams='--list'
@@ -273,7 +280,6 @@ mcDockerCompose="/opt/mailcow-dockerized/docker-compose.yml"
 dockerStartTimeout=180
 dockerStopTimeout=120
 
-
 ### process startup parameters
 while [ $# -gt 0 ]; do
     case "$1" in
@@ -282,6 +288,11 @@ while [ $# -gt 0 ]; do
         scriptHelp
         exit 0
         ;;
+    --version)
+        # display script version
+        printf "\nMailcowBackup - Backup Mailcow using borgbackup to a remote SSH server : Version %s\n\n" ${scriptVersion}
+        exit 0
+        ;;
     -l | --log)
         # set log file location
         if [ -n "$2" ]; then
@@ -291,6 +302,19 @@ while [ $# -gt 0 ]; do
             badParam empty "$@"
         fi
         ;;
+    --nc | --no-color | --no-colour)
+        # do NOT colourize log file
+        colourizeLogFile=0
+        ;;
+    -b | --borg)
+        # specify non-default borg path
+        if [ -n "$2" ]; then
+            borgPath="${2%/}"
+            shift
+        else
+            badParam empty "$@"
+        fi
+        ;;
     -c | --config | --details)
         # location of config details file
         if [ -n "$2" ]; then
@@ -400,7 +424,6 @@ while [ $# -gt 0 ]; do
     shift
 done
 
-
 ### check pre-requisites and default values
 # check if running as root, otherwise exit
 if [ "$(id -u)" -ne 0 ]; then
@@ -412,8 +435,8 @@ if [ ! -f "$configDetails" ]; then
     badParam dne "(--details default)" "$configDetails"
 fi
 # is borg installed?
-if ! command -v borg > /dev/null; then
+if ! find "$borgPath" -type f -executable >/dev/null 2>&1; then
-    printf "\n%sERROR: BORG is not installed on this system!%s\n\n" "$err" "$norm"
+    printf "\n%sERROR: BORG cannot be found in the specified or default location on this system!%s\n\n" "$err" "$norm"
     exit 3
 fi
 # if 503 functionality is enabled, do 503 related files exist?
@@ -436,6 +459,17 @@ fi
 if [ -n "$borgCompression" ]; then
     borgCreateParams="${borgCreateParams} --compression ${borgCompression}"
 fi
+# remove colourization if parameter specified
+if [ "$colourizeLogFile" -eq 0 ]; then
+    bold=""
+    cyan=""
+    err=""
+    magenta=""
+    norm=""
+    ok=""
+    warn=""
+    yellow=""
+fi
 
 ### read mailcow.conf and set vars as needed
 # shellcheck source=./mailcow.conf.shellcheck
@@ -443,14 +477,12 @@ fi
 export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 export COMPOSE_HTTP_TIMEOUT="$dockerStartTimeout"
 
-
 ### start logging
 printf "%s[%s] --- Start %s execution ---%s\n" \
     "$magenta" "$(stamp)" "$scriptName" "$norm" >>"$logFile"
 printf "%s[%s] -- [INFO] Log located at %s%s%s --%s\n" \
     "$cyan" "$(stamp)" "$yellow" "$logFile" "$cyan" "$norm" >>"$logFile"
 
-
 ### get location of docker volumes
 dockerVolumeMail=$(docker volume inspect -f '{{ .Mountpoint }}' ${COMPOSE_PROJECT_NAME}_vmail-vol-1)
 printf "%s[%s] -- [INFO] Using MAIL volume: %s --%s\n" \
@@ -468,7 +500,6 @@ dockerVolumeCrypt=$(docker volume inspect -f '{{ .Mountpoint }}' ${COMPOSE_PROJE
 printf "%s[%s] -- [INFO] Using MAILCRYPT volume: %s --%s\n" \
     "$cyan" "$(stamp)" "$dockerVolumeCrypt" "$norm" >>"$logFile"
 
-
 ### read details file to get variables needed run borg
 # check if config details file was provided as a relative or absolute path
 case "${configDetails}" in
@@ -486,7 +517,6 @@ esac
 printf "%s[%s] -- [INFO] %s%s%s imported --%s\n" \
     "$cyan" "$(stamp)" "$yellow" "$configDetails" "$cyan" "$norm" >>"$logFile"
 
-
 ### Run borg variable checks
 printf "%s[%s] -- [INFO] Verifying supplied borg details --%s\n" \
     "$cyan" "$(stamp)" "$norm" >>"$logFile"
@@ -509,7 +539,16 @@ elif [ ! -f "${borgSSHKey}" ]; then
 fi
 printf "%sdetails:borgSSHKey %s-- %s[OK]%s\n" \
     "$magenta" "$norm" "$ok" "$norm" >>"$logFile"
-export BORG_RSH="ssh -i ${borgSSHKey}"
+## check SSH port
+if [ -z "${borgSSHPort}" ]; then
+    borgSSHPort=22
+    printf "%sdetails:borgSSHPort %s-- %s[DEFAULT]%s\n" \
+        "$magenta" "$norm" "$ok" "$norm" >>"$logFile"
+else
+    printf "%sdetails:borgSSHPort %s-- %s[CUSTOM]%s\n" \
+        "$magenta" "$norm" "$ok" "$norm" >>"$logFile"
+fi
+export BORG_RSH="ssh -i ${borgSSHKey} -p ${borgSSHPort}"
 
 ## check borg repo connect string
 if [ -z "${borgConnectRepo}" ]; then
@@ -550,7 +589,7 @@ fi
 ## export borg remote path, if specified
 if [ -n "${borgRemote}" ]; then export BORG_REMOTE_PATH="${borgRemote}"; fi
 
-## check if exlusion list file is specified
+## check if exclusion list file is specified
 if [ -n "${borgExcludeListPath}" ]; then
     # check if the file actually exists
     if [ ! -f "${borgExcludeListPath}" ]; then
@@ -581,7 +620,6 @@ printf "%sdetails:borgXtraListPath %s-- %s[OK]%s\n" \
         "$magenta" "$norm" "$ok" "$norm" >>"$logFile"
 fi
 
-
 ### set location of sql dump
 # this is done before resetting default TMP dir for borg
 if ! sqlDumpDir=$(mktemp -d 2>/dev/null); then
@@ -593,7 +631,6 @@ else
         "$cyan" "$(stamp)" "$sqlDumpDir/$sqlDumpFile" "$norm" >>"$logFile"
 fi
 
-
 ### create borg temp dir:
 ## python requires a writable temporary directory when unpacking borg and
 ## executing commands.  This defaults to /tmp but many systems mount /tmp with
@@ -612,14 +649,12 @@ if [ ! -d "${borgBaseDir}/tmp" ]; then
 fi
 export TMPDIR="${borgBaseDir}/tmp"
 
-
 ### 503 functionality
 if [ "$use503" -eq 1 ]; then
     printf "%s[%s] -- [INFO] Copying 503 error page to " \
         "$cyan" "$(stamp)" >>"$logFile"
     printf "webroot -- %s\n" "$norm" >>"$logFile"
-    if ! cp --force "${err503Path}" "${webroot}/${err503File}" 2>> "$logFile"
+    if ! \cp --force "${err503Path}" "${webroot}/${err503File}" 2>>"$logFile"; then
-        then
         printf "%s[%s] -- [WARNING] Failed to copy 503 error page. " \
             "$warn" "$(stamp)" >>"$logFile"
         printf "Web users will NOT be notified --%s\n" "$norm" >>"$logFile"
@@ -651,7 +686,6 @@ else
     exitError 101 'Could not stop DOVECOT container.'
 fi
 
-
 ### dump SQL
 printf "%s[%s] -- [INFO] Dumping mailcow SQL database --%s\n" \
     "$cyan" "$(stamp)" "$norm" >>"$logFile"
@@ -660,12 +694,11 @@ docker-compose exec -T mysql-mailcow mysqldump --default-character-set=utf8mb4 \
 dumpResult=$(docker-compose exec -T mysql-mailcow echo "$?")
 if [ "$dumpResult" -eq 0 ]; then
     printf "%s[%s] -- [INFO] SQL database dumped successfully --%s\n" \
-        "cyan" "$(stamp)" "$norm" >> "$logFile"
+        "$cyan" "$(stamp)" "$norm" >>"$logFile"
 else
     exitError 118 'There was an error dumping the mailcow SQL database.'
 fi
 
-
 ### dump redis inside container
 # delete old redis dump if it exists
 if [ -f "$dockerVolumeRedis/dump.rdb" ]; then
@@ -678,19 +711,18 @@ docker-compose exec -T redis-mailcow redis-cli save >> "$logFile" 2>&1
 rdumpResult=$(docker-compose exec -T redis-mailcow echo "$?")
 if [ "$rdumpResult" -eq 0 ]; then
     printf "%s[%s] -- [INFO] mailcow redis dumped successfully --%s\n" \
-        "cyan" "$(stamp)" "$norm" >> "$logFile"
+        "$cyan" "$(stamp)" "$norm" >>"$logFile"
 else
     exitError 119 'There was an error dumping the mailcow redis database.'
 fi
 
-
 ### execute borg depending on whether exclusions are defined
 printf "%s[%s] -- [INFO] Pre-backup tasks completed, calling borgbackup --%s\n" "$cyan" "$(stamp)" "$norm" >>"$logFile"
 
 ## construct the proper borg commandline
 # base command
 if [ "$exclusions" -eq 0 ]; then
-    borgCMD="borg create --show-rc ${borgCreateParams} \
+    borgCMD="${borgPath} create --show-rc ${borgCreateParams} \
         ::$(date +%Y-%m-%d_%H%M%S) \
         ${mcConfig%/*} \
         ${sqlDumpDir} \
@@ -701,7 +733,7 @@ if [ "$exclusions" -eq 0 ]; then
         ${dockerVolumeCrypt} \
         ${xtraList}"
 elif [ "$exclusions" -eq 1 ]; then
-    borgCMD="borg create --show-rc ${borgCreateParams} \
+    borgCMD="${borgPath} create --show-rc ${borgCreateParams} \
         --exclude-from ${borgExcludeListPath} \
         ::$(date +%Y-%m-%d_%H%M%S) \
         ${mcConfig%/*} \
@@ -740,12 +772,11 @@ else
     warnCount=$((warnCount + 1))
 fi
 
-
 ### execute borg prune if paramters are provided, otherwise skip with a warning
 if [ -n "${borgPruneSettings}" ]; then
     printf "%s[%s] -- [INFO] Executing borg prune operation --%s\n" \
         "$cyan" "$(stamp)" "$norm" >>"$logFile"
-    borg prune --show-rc -v ${borgPruneParams} ${borgPruneSettings} \
+    "${borgPath}" prune --show-rc -v ${borgPruneParams} ${borgPruneSettings} \
         2>>"$logFile"
     borgPruneResult="$?"
 else
@@ -779,7 +810,6 @@ if [ -n "${borgPruneResult}" ]; then
     fi
 fi
 
-
 ### all processes successfully completed, cleanup and exit gracefully
 
 # note successful completion of borg commands
@@ -801,7 +831,6 @@ else
 fi
 exit 0
 
-
 ### error codes
 # 1: parameter error
 # 2: not run as root