b78485ed8b
Changed version number to merge with main, also added some margins to the curl for version.
199 lines
7.4 KiB
Bash
Executable File
199 lines
7.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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VERSION="v0.1.9"
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Github="https://github.com/mag37/dockcheck"
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### Check if there's a new release of the script:
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LatestRelease="$(curl -s -r 0-50 https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh | sed -n "/VERSION/s/VERSION=//p" | tr -d '"')"
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[ "$VERSION" != "$LatestRelease" ] && printf "New version available! Latest: %s - Local: %s \nGrab it here: %s \n\n" "$LatestRelease" "$VERSION" "$Github"
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### Help Function:
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Help() {
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echo "Syntax: dockcheck.sh [OPTION] [part of name to filter]"
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echo "Example: dockcheck.sh -a ng"
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echo
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echo "Options:"
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echo "-h Print this Help."
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echo "-a|y Automatic updates, without interaction."
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echo "-n No updates, only checking availability."
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echo "-p Auto-Prune dangling images after update."
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echo "-r Allow updating images for docker run, wont update the container"
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}
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while getopts "aynprh" options; do
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case "${options}" in
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a|y) UpdYes="yes" ;;
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n) UpdYes="no" ;;
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r) DrUp="yes" ;;
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p) PruneQ="yes" ;;
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h|*) Help ; exit 0 ;;
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esac
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done
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shift "$((OPTIND-1))"
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### Set $1 to a variable for name filtering later.
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SearchName="$1"
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### Check if required binary exists in PATH or directory:
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if [[ $(builtin type -P "regctl") ]]; then regbin="regctl" ;
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elif [[ -f "./regctl" ]]; then regbin="./regctl" ;
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else
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read -r -p "Required dependency 'regctl' missing, do you want it downloaded? y/[n] " GetDep
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if [[ "$GetDep" =~ [yY] ]] ; then
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### Check arch:
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case "$(uname --machine)" in
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x86_64|amd64) architecture="amd64" ;;
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arm64|aarch64) architecture="arm64";;
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*) echo "Architecture not supported, exiting." ; exit 1;;
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esac
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RegUrl="https://github.com/regclient/regclient/releases/latest/download/regctl-linux-$architecture"
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if [[ $(builtin type -P curl) ]]; then curl -L $RegUrl > ./regctl ; chmod +x ./regctl ; regbin="./regctl" ;
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elif [[ $(builtin type -P wget) ]]; then wget $RegUrl -O ./regctl ; chmod +x ./regctl ; regbin="./regctl" ;
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else
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printf "%s\n" "curl/wget not available - get regctl manually from the repo link, quitting."
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fi
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else
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printf "%s\n" "Dependency missing, quitting."
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exit 1
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fi
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fi
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### final check if binary is correct
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$regbin version &> /dev/null || { printf "%s\n" "regctl is not working - try to remove it and re-download it, exiting."; exit 1; }
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### Check docker compose binary:
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if docker compose version &> /dev/null ; then
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DockerBin="docker compose"
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elif docker-compose -v &> /dev/null; then
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DockerBin="docker-compose"
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elif docker -v &> /dev/null; then
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printf "%s\n" "No docker compose binary available, using plain docker (Not recommended!)"
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printf "%s\n" "'docker run' will ONLY update images, not the container itself."
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else
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printf "%s\n" "No docker binaries available, exiting."
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exit 1
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fi
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### Numbered List -function:
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options() {
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num=1
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for i in "${GotUpdates[@]}"; do
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echo "$num) $i"
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((num++))
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done
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}
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### Choose from list -function:
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choosecontainers() {
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while [[ -z "$ChoiceClean" ]]; do
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read -r -p "Enter number(s) separated by comma, [a] for all - [q] to quit: " Choice
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if [[ "$Choice" =~ [qQnN] ]] ; then
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exit 0
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elif [[ "$Choice" =~ [aAyY] ]] ; then
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SelectedUpdates=( "${GotUpdates[@]}" )
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ChoiceClean=${Choice//[,.:;]/ }
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else
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ChoiceClean=${Choice//[,.:;]/ }
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for CC in $ChoiceClean ; do
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if [[ "$CC" -lt 1 || "$CC" -gt $UpdCount ]] ; then # reset choice if out of bounds
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echo "Number not in list: $CC" ; unset ChoiceClean ; break 1
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else
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SelectedUpdates+=( "${GotUpdates[$CC-1]}" )
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fi
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done
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fi
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done
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printf "\nUpdating containers:\n"
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printf "%s\n" "${SelectedUpdates[@]}"
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printf "\n"
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}
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### Check the image-hash of every running container VS the registry
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for i in $(docker ps --filter "name=$SearchName" --format '{{.Names}}') ; do
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printf ". "
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RepoUrl=$(docker inspect "$i" --format='{{.Config.Image}}')
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LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}')
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### Checking for errors while setting the variable:
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if RegHash=$($regbin image digest --list "$RepoUrl" 2>/dev/null) ; then
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if [[ "$LocalHash" = *"$RegHash"* ]] ; then NoUpdates+=("$i"); else GotUpdates+=("$i"); fi
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else
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GotErrors+=("$i")
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fi
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done
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### Sort arrays alphabetically
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IFS=$'\n'
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NoUpdates=($(sort <<<"${NoUpdates[*]}"))
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GotUpdates=($(sort <<<"${GotUpdates[*]}"))
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GotErrors=($(sort <<<"${GotErrors[*]}"))
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unset IFS
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### Define how many updates are available
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UpdCount="${#GotUpdates[@]}"
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### List what containers got updates or not
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if [[ -n ${NoUpdates[*]} ]] ; then
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printf "\n\033[0;32mContainers on latest version:\033[0m\n"
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printf "%s\n" "${NoUpdates[@]}"
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fi
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if [[ -n ${GotErrors[*]} ]] ; then
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printf "\n\033[0;31mContainers with errors, wont get updated:\033[0m\n"
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printf "%s\n" "${GotErrors[@]}"
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fi
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if [[ -n ${GotUpdates[*]} ]] ; then
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printf "\n\033[0;33mContainers with updates available:\033[0m\n"
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[[ -z "$UpdYes" ]] && options || printf "%s\n" "${GotUpdates[@]}"
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fi
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### Optionally get updates if there's any
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if [ -n "$GotUpdates" ] ; then
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if [ -z "$UpdYes" ] ; then
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printf "\n\033[0;36mChoose what containers to update.\033[0m\n"
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choosecontainers
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else
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SelectedUpdates=( "${GotUpdates[@]}" )
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fi
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if [ "$UpdYes" == "${UpdYes#[Nn]}" ] ; then
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for i in "${SelectedUpdates[@]}"
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do
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ContPath=$(docker inspect "$i" --format '{{ index .Config.Labels "com.docker.compose.project.working_dir" }}')
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ContConfigFile=$(docker inspect "$i" --format '{{ index .Config.Labels "com.docker.compose.project.config_files" }}')
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ContName=$(docker inspect "$i" --format '{{ index .Config.Labels "com.docker.compose.service" }}')
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ContEnv=$(docker inspect "$i" --format '{{index .Config.Labels "com.docker.compose.project.environment_file" }}')
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### Checking if compose-values are empty - hence started with docker run:
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if [ -z "$ContPath" ] ; then
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if [ "$DrUp" == "yes" ] ; then
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ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
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docker pull "$ContImage"
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printf "%s\n" "$i got a new image downloaded, rebuild manually with preferred 'docker run'-parameters"
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else
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printf "\n\033[33;1m%s\033[0m has no compose labels, probably started with docker run - \033[33;1mskipping\033[0m\n\n" "$i"
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fi
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continue
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fi
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### Checking if "com.docker.compose.project.config_files" returns the full path to the config file or just the file name
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if [[ $ContConfigFile = '/'* ]] ; then
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ComposeFile="$ContConfigFile"
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else
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ComposeFile="$ContPath/$ContConfigFile"
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fi
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### cd to the compose-file directory to account for people who use relative volumes, eg - ${PWD}/data:data
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cd "$(dirname "${ComposeFile}")" || { echo "Path error - skipping $i" ; continue ; }
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### Check if the container got an environment file set, use it if so:
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if [ -n "$ContEnv" ]; then
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$DockerBin -f "$ComposeFile" --env-file "$ContEnv" pull "$ContName"
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$DockerBin -f "$ComposeFile" --env-file "$ContEnv" up -d "$ContName"
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else
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$DockerBin -f "$ComposeFile" pull "$ContName"
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$DockerBin -f "$ComposeFile" up -d "$ContName"
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fi
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done
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printf "\033[0;32mAll done!\033[0m\n"
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[[ -z "$PruneQ" ]] && read -r -p "Would you like to prune dangling images? y/[n]: " PruneQ
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[[ "$PruneQ" =~ [yY] ]] && docker image prune -f
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else
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printf "\nNo updates installed, exiting.\n"
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fi
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else
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printf "\nNo updates available, exiting.\n"
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fi
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exit 0
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