style(helpers): reformat update script and bump version
This commit is contained in:
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4d5f3fa809
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03e0631964
@ -1,83 +1,87 @@
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#!/bin/sh
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### update script for ab-nginx container and utility scripts
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# version 2.0.0
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# script by Asif Bacchus
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###
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#
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# update script for ab-nginx container and utility scripts
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# version 2.1.0
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# script by Asif Bacchus
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#
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### functions
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#
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# functions
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errMsg() {
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printf "\n%s%s%s\n\n" "$err" "$1" "$norm"
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exit 1
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printf "\n%s%s%s\n\n" "$err" "$1" "$norm"
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exit 1
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}
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errNotify() {
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printf "%s[ERROR]%s\n" "$err" "$norm"
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printf "%s[ERROR]%s\n" "$err" "$norm"
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}
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okMsg() {
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printf "%s%s%s\n\n" "$ok" "$1" "$norm"
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printf "%s%s%s\n\n" "$ok" "$1" "$norm"
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}
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okNotify() {
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printf "%s[OK]%s\n" "$ok" "$norm"
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printf "%s[OK]%s\n" "$ok" "$norm"
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}
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scriptHelp() {
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textNewline
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textblock "Update ${containerName} container and helper script files"
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textblock "${bold}Usage: ${localScriptName} [parameters]${norm}"
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textNewline
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textblock "If run with no parameters, the script will update both the container and the helper script files, including this update script."
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textblockHeader " parameters "
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textblockParam "-h|-?|--help" "Display this help screen."
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textblockParam "-c|--container|--container-only" "Update the docker container only."
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textblockParam "-s|--scripts|--scripts-only" "Update the helper scripts (including this update script) only."
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textNewline
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exit 0
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textNewline
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textBlock "Update ${containerName} container and helper script files"
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textBlock "${bold}Usage: ${localScriptName} [parameters]${norm}"
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textNewline
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textBlock "If run with no parameters, the script will update both the container and the helper script files, including this update script."
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textBlockHeader " parameters "
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textBlockParam "-h|-?|--help" "Display this help screen."
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textBlockParam "-c|--container|--container-only" "Update the docker container only."
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textBlockParam "-s|--scripts|--scripts-only" "Update the helper scripts (including this update script) only."
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textNewline
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exit 0
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}
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textblock() {
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printf "%s\n" "$1" | fold -w "$width" -s
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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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textblockHeader() {
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printf "\n%s***%s***%s\n" "$header" "$1" "$norm"
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textBlockHeader() {
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printf "\n%s***%s***%s\n" "$header" "$1" "$norm"
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}
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textblockParam() {
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printf "%s%-35s%s%s\n" "$info" "$1" "$2" "$norm"
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textBlockParam() {
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printf "%s%-35s%s%s\n" "$info" "$1" "$2" "$norm"
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}
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textNewline() {
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printf "\n"
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printf "\n"
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}
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### text formatting presets
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#
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# text formatting presets
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if command -v tput >/dev/null 2>&1; then
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bold=$(tput bold)
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err=$(tput bold)$(tput setaf 1)
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info=$(tput bold)$(tput setaf 6)
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header=$(tput bold)$(tput setaf 5)
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norm=$(tput sgr0)
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ok=$(tput sgr0)$(tput setaf 2)
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warn=$(tput bold)$(tput setaf 3)
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width=$(tput cols)
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bold=$(tput bold)
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err=$(tput bold)$(tput setaf 1)
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info=$(tput bold)$(tput setaf 6)
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header=$(tput bold)$(tput setaf 5)
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norm=$(tput sgr0)
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ok=$(tput sgr0)$(tput setaf 2)
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warn=$(tput bold)$(tput setaf 3)
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width=$(tput cols)
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else
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bold=''
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err=''
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info=''
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header=''
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norm=''
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ok=''
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warn=''
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width=80
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bold=''
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err=''
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info=''
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header=''
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norm=''
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ok=''
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warn=''
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width=80
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fi
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### pre-requisites
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#
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# pre-requisites
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# check if wget is installed
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if ! command -v wget >/dev/null 2>&1; then
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errMsg "Sorry, this script requires that 'wget' is installed in order to download updates. Exiting."
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errMsg "Sorry, this script requires that 'wget' is installed in order to download updates. Exiting."
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fi
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# zero counters
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@ -102,149 +106,153 @@ doScriptUpdate=1
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localScriptName="$(basename "$0")"
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repoScriptName='update.sh'
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### process startup parameters
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#
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# process startup parameters
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while [ $# -gt 0 ]; do
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case "$1" in
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-h | -\? | --help)
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# display inline help
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scriptHelp
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;;
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-s | --scripts | --scripts-only)
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# update scripts only, skip docker container update
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doDockerUpdate=0
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;;
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-c | --container | --container-only)
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# update docker container only, skip script update
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doScriptUpdate=0
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;;
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*)
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printf "%s\nUnknown option: %s\n" "$err" "$1"
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printf "%sUse '--help' for valid options%s\n\n" "$info" "$norm"
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exit 1
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;;
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esac
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shift
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case "$1" in
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-h | -\? | --help)
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# display inline help
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scriptHelp
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;;
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-s | --scripts | --scripts-only)
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# update scripts only, skip docker container update
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doDockerUpdate=0
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;;
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-c | --container | --container-only)
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# update docker container only, skip script update
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doScriptUpdate=0
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;;
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*)
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printf "%s\nUnknown option: %s\n" "$err" "$1"
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printf "%sUse '--help' for valid options%s\n\n" "$info" "$norm"
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exit 1
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;;
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esac
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shift
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done
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### update container
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#
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# update container
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if [ "$doDockerUpdate" -eq 1 ]; then
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# check if docker is installed
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if ! command -v docker >/dev/null 2>&1; then
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errMsg "Sorry, it appears that docker is not installed on this machine! Exiting."
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fi
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# is user root or in the docker group?
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if [ ! "$(id -u)" -eq 0 ]; then
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if ! id -Gn | grep docker >/dev/null; then
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errMsg "You must either be root or in the 'docker' group to pull container updates."
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fi
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fi
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printf "%s\n*** Updating %s container ***\n\n%s" "$info" "$containerName" "$norm"
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if ! docker pull "$containerUpdatePath"; then
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errMsg "There was an error updating the container. Try again later."
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else
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okMsg "Container updated!"
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fi
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fi
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### update scripts
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if [ "$doScriptUpdate" -eq 1 ]; then
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printf "%s*** Updating %s service scripts ***%s\n" "$info" "$containerName" "$norm"
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## download latest checksums
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printf "Getting latest checksums... "
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if ! wget --quiet --tries=3 --timeout=10 -N "${server}${checksumFilename}"; then
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errNotify
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errMsg "Unable to download checksums. Try again later."
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else
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okNotify
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fi
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## check for updates to this script
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printf "Checking for updates to this script... "
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repoScriptChecksum=$(grep "$repoScriptName" "$checksumFilename" | grep -o '^\S*')
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localScriptChecksum=$(sha256sum "$localScriptName" | grep -o '^\S*')
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if [ "$localScriptChecksum" = "$repoScriptChecksum" ]; then
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printf "[NONE]\n"
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else
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printf "[AVAILABLE]\n"
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printf "Getting updated script... "
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# download updated script
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if ! wget --quiet --tries=3 --timeout=10 -O "update.sh.tmp" "${server}${repoScriptName}"; then
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errNotify
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# delete failed download as necessary
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rm -f ./update.sh.tmp 2>/dev/null
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errMsg "Unable to download script update. Try again later."
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else
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# verify download
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dlScriptChecksum=$(sha256sum "update.sh.tmp" | grep -o '^\S*')
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if ! [ "$dlScriptChecksum" = "$repoScriptChecksum" ]; then
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printf "[ERROR]\n"
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# delete corrupt download as necessary
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rm -f ./update.sh.tmp 2>/dev/null
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errMsg "Checksum mismatch! Try again later."
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else
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okNotify
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printf "\n%s*** This script has been updated. Please re-run it to load the updated version of this file. ***%s\n\n" "$warn" "$norm"
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# overwrite this script with updated script
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mv -f ./update.sh.tmp "$localScriptName"
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fi
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fi
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fi
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## update files
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while IFS=' ' read -r field1 field2; do
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printf "\nChecking '%s' for updates... " "$field2"
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updateFilename="$field2"
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repoFileChecksum="$field1"
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if [ -f "$updateFilename" ]; then
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localFileChecksum=$(sha256sum "$updateFilename" | grep -o '^\S*')
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else
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localFileChecksum=0
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# check if docker is installed
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if ! command -v docker >/dev/null 2>&1; then
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errMsg "Sorry, it appears that docker is not installed on this machine! Exiting."
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fi
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# update file if necessary
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if ! [ "$localFileChecksum" = "$repoFileChecksum" ]; then
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printf "[AVAILABLE]\n"
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updatesAvailable=$((updatesAvailable + 1))
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# download update
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printf "Downloading updated '%s'... " "$updateFilename"
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if ! wget --quiet --tries=3 --timeout=10 -O "$updateFilename.tmp" "${server}${updateFilename}"; then
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errNotify
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downloadFailed=$((downloadFailed + 1))
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# delete failed download file as necessary
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rm -f "$updateFilename.tmp" 2>&1
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else
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okNotify
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downloadSuccess=$((downloadSuccess + 1))
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# verify download
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printf "Verifying '%s'... " "$updateFilename"
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localFileChecksum=$(sha256sum "$updateFilename.tmp" | grep -o '^\S*')
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if ! [ "$localFileChecksum" = "$repoFileChecksum" ]; then
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errNotify
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updateFailed=$((updateFailed + 1))
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# delete corrupted download file as necessary
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rm -f "$updateFilename.tmp" 2>&1
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else
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okNotify
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updateSuccess=$((updateSuccess + 1))
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# overwrite old version of file
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mv -f "$updateFilename.tmp" "$updateFilename"
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# is user root or in the docker group?
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if [ ! "$(id -u)" -eq 0 ]; then
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if ! id -Gn | grep docker >/dev/null; then
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errMsg "You must either be root or in the 'docker' group to pull container updates."
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fi
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fi
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else
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printf "[NONE]\n"
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fi
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done <"$checksumFilename"
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printf "%s\n*** Updating %s container ***\n\n%s" "$info" "$containerName" "$norm"
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if ! docker pull "$containerUpdatePath"; then
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errMsg "There was an error updating the container. Try again later."
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else
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okMsg "Container updated!"
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fi
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fi
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### display results
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#
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# update scripts
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if [ "$doScriptUpdate" -eq 1 ]; then
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printf "\n%s*** Results ***%s\n" "$info" "$norm"
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printf "\tUpdates: %s available\n" "$updatesAvailable"
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printf "\tDownloads: %s%s successful%s, %s%s failed%s\n" "$ok" "$downloadSuccess" "$norm" "$err" "$downloadFailed" "$norm"
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printf "\tUpdates: %s%s applied%s, %s%s failed%s\n" "$ok" "$updateSuccess" "$norm" "$err" "$updateFailed" "$norm"
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printf "%s*** Updating %s service scripts ***%s\n" "$info" "$containerName" "$norm"
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## download latest checksums
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printf "Getting latest checksums... "
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if ! wget --quiet --tries=3 --timeout=10 -N "${server}${checksumFilename}"; then
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errNotify
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errMsg "Unable to download checksums. Try again later."
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else
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okNotify
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fi
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## check for updates to this script
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printf "Checking for updates to this script... "
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repoScriptChecksum=$(grep "$repoScriptName" "$checksumFilename" | grep -o '^\S*')
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localScriptChecksum=$(sha256sum "$localScriptName" | grep -o '^\S*')
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if [ "$localScriptChecksum" = "$repoScriptChecksum" ]; then
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printf "[NONE]\n"
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else
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printf "[AVAILABLE]\n"
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printf "Getting updated script... "
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# download updated script
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if ! wget --quiet --tries=3 --timeout=10 -O "update.sh.tmp" "${server}${repoScriptName}"; then
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errNotify
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# delete failed download as necessary
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rm -f ./update.sh.tmp 2>/dev/null
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errMsg "Unable to download script update. Try again later."
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else
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# verify download
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dlScriptChecksum=$(sha256sum "update.sh.tmp" | grep -o '^\S*')
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if ! [ "$dlScriptChecksum" = "$repoScriptChecksum" ]; then
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printf "[ERROR]\n"
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# delete corrupt download as necessary
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rm -f ./update.sh.tmp 2>/dev/null
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errMsg "Checksum mismatch! Try again later."
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else
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okNotify
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printf "\n%s*** This script has been updated. Please re-run it to load the updated version of this file. ***%s\n\n" "$warn" "$norm"
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# overwrite this script with updated script
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mv -f ./update.sh.tmp "$localScriptName"
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fi
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fi
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fi
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## update files
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while IFS=' ' read -r field1 field2; do
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printf "\nChecking '%s' for updates... " "$field2"
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updateFilename="$field2"
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repoFileChecksum="$field1"
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if [ -f "$updateFilename" ]; then
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localFileChecksum=$(sha256sum "$updateFilename" | grep -o '^\S*')
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else
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localFileChecksum=0
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fi
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# update file if necessary
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if ! [ "$localFileChecksum" = "$repoFileChecksum" ]; then
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printf "[AVAILABLE]\n"
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updatesAvailable=$((updatesAvailable + 1))
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# download update
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printf "Downloading updated '%s'... " "$updateFilename"
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if ! wget --quiet --tries=3 --timeout=10 -O "$updateFilename.tmp" "${server}${updateFilename}"; then
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errNotify
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downloadFailed=$((downloadFailed + 1))
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# delete failed download file as necessary
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rm -f "$updateFilename.tmp" 2>&1
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else
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okNotify
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downloadSuccess=$((downloadSuccess + 1))
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# verify download
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printf "Verifying '%s'... " "$updateFilename"
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localFileChecksum=$(sha256sum "$updateFilename.tmp" | grep -o '^\S*')
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if ! [ "$localFileChecksum" = "$repoFileChecksum" ]; then
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errNotify
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updateFailed=$((updateFailed + 1))
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# delete corrupted download file as necessary
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rm -f "$updateFilename.tmp" 2>&1
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else
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okNotify
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updateSuccess=$((updateSuccess + 1))
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# overwrite old version of file
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mv -f "$updateFilename.tmp" "$updateFilename"
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fi
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fi
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else
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printf "[NONE]\n"
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fi
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done <"$checksumFilename"
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fi
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#
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# display results
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if [ "$doScriptUpdate" -eq 1 ]; then
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printf "\n%s*** Results ***%s\n" "$info" "$norm"
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printf "\tUpdates: %s available\n" "$updatesAvailable"
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printf "\tDownloads: %s%s successful%s, %s%s failed%s\n" "$ok" "$downloadSuccess" "$norm" "$err" "$downloadFailed" "$norm"
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printf "\tUpdates: %s%s applied%s, %s%s failed%s\n" "$ok" "$updateSuccess" "$norm" "$err" "$updateFailed" "$norm"
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fi
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exit 0
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