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# notes #comand #linux #docker

    curl https://get.docker.com | sh -

    #!/bin/sh
    set -e
    # Docker Engine for Linux installation script.
    #
    # This script is intended as a convenient way to configure docker's package
    # repositories and to install Docker Engine, This script is not recommended
    # for production environments. Before running this script, make yourself familiar
    # with potential risks and limitations, and refer to the installation manual
    # at https://docs.docker.com/engine/install/ for alternative installation methods.
    #
    # The script:
    #
    # - Requires `root` or `sudo` privileges to run.
    # - Attempts to detect your Linux distribution and version and configure your
    #   package management system for you.
    # - Doesn't allow you to customize most installation parameters.
    # - Installs dependencies and recommendations without asking for confirmation.
    # - Installs the latest stable release (by default) of Docker CLI, Docker Engine,
    #   Docker Buildx, Docker Compose, containerd, and runc. When using this script
    #   to provision a machine, this may result in unexpected major version upgrades
    #   of these packages. Always test upgrades in a test environment before
    #   deploying to your production systems.
    # - Isn't designed to upgrade an existing Docker installation. When using the
    #   script to update an existing installation, dependencies may not be updated
    #   to the expected version, resulting in outdated versions.
    #
    # Source code is available at https://github.com/docker/docker-install/
    #
    # Usage
    # ==============================================================================
    #
    # To install the latest stable versions of Docker CLI, Docker Engine, and their
    # dependencies:
    #
    # 1. download the script
    #
    #   $ curl -fsSL https://get.docker.com -o install-docker.sh
    #
    # 2. verify the script's content
    #
    #   $ cat install-docker.sh
    #
    # 3. run the script with --dry-run to verify the steps it executes
    #
    #   $ sh install-docker.sh --dry-run
    #
    # 4. run the script either as root, or using sudo to perform the installation.
    #
    #   $ sudo sh install-docker.sh
    #
    # Command-line options
    # ==============================================================================
    #
    # --version <VERSION>
    # Use the --version option to install a specific version, for example:
    #
    #   $ sudo sh install-docker.sh --version 23.0
    #
    # --channel <stable|test>
    #
    # Use the --channel option to install from an alternative installation channel.
    # The following example installs the latest versions from the "test" channel,
    # which includes pre-releases (alpha, beta, rc):
    #
    #   $ sudo sh install-docker.sh --channel test
    #
    # Alternatively, use the script at https://test.docker.com, which uses the test
    # channel as default.
    #
    # --mirror <Aliyun|AzureChinaCloud>
    #
    # Use the --mirror option to install from a mirror supported by this script.
    # Available mirrors are "Aliyun" (https://mirrors.aliyun.com/docker-ce), and
    # "AzureChinaCloud" (https://mirror.azure.cn/docker-ce), for example:
    #
    #   $ sudo sh install-docker.sh --mirror AzureChinaCloud
    #
    # ==============================================================================

    # Git commit from https://github.com/docker/docker-install when
    # the script was uploaded (Should only be modified by upload job):
    SCRIPT_COMMIT_SHA="4c94a56999e10efcf48c5b8e3f6afea464f9108e"

    # strip "v" prefix if present
    VERSION="${VERSION#v}"

    # The channel to install from:
    #   * stable
    #   * test
    DEFAULT_CHANNEL_VALUE="stable"
    if [ -z "$CHANNEL" ]; then
        CHANNEL=$DEFAULT_CHANNEL_VALUE
    fi

    DEFAULT_DOWNLOAD_URL="https://download.docker.com"
    if [ -z "$DOWNLOAD_URL" ]; then
        DOWNLOAD_URL=$DEFAULT_DOWNLOAD_URL
    fi

    DEFAULT_REPO_FILE="docker-ce.repo"
    if [ -z "$REPO_FILE" ]; then
        REPO_FILE="$DEFAULT_REPO_FILE"
    fi

    mirror=''
    DRY_RUN=${DRY_RUN:-}
    while [ $# -gt 0 ]; do
        case "$1" in
            --channel)
                CHANNEL="$2"
                shift
                ;;
            --dry-run)
                DRY_RUN=1
                ;;
            --mirror)
                mirror="$2"
                shift
                ;;
            --version)
                VERSION="${2#v}"
                shift
                ;;
            --*)
                echo "Illegal option $1"
                ;;
        esac
        shift $(( $# > 0 ? 1 : 0 ))
    done

    case "$mirror" in
        Aliyun)
            DOWNLOAD_URL="https://mirrors.aliyun.com/docker-ce"
            ;;
        AzureChinaCloud)
            DOWNLOAD_URL="https://mirror.azure.cn/docker-ce"
            ;;
        "")
            ;;
        *)
            >&2 echo "unknown mirror '$mirror': use either 'Aliyun', or 'AzureChinaCloud'."
            exit 1
            ;;
    esac

    case "$CHANNEL" in
        stable|test)
            ;;
        *)
            >&2 echo "unknown CHANNEL '$CHANNEL': use either stable or test."
            exit 1
            ;;
    esac

    command_exists() {
        command -v "$@" > /dev/null 2>&1
    }

    # version_gte checks if the version specified in $VERSION is at least the given
    # SemVer (Maj.Minor[.Patch]), or CalVer (YY.MM) version.It returns 0 (success)
    # if $VERSION is either unset (=latest) or newer or equal than the specified
    # version, or returns 1 (fail) otherwise.
    #
    # examples:
    #
    # VERSION=23.0
    # version_gte 23.0  // 0 (success)
    # version_gte 20.10 // 0 (success)
    # version_gte 19.03 // 0 (success)
    # version_gte 26.1  // 1 (fail)
    version_gte() {
        if [ -z "$VERSION" ]; then
                return 0
        fi
        version_compare "$VERSION" "$1"
    }

    # version_compare compares two version strings (either SemVer (Major.Minor.Path),
    # or CalVer (YY.MM) version strings. It returns 0 (success) if version A is newer
    # or equal than version B, or 1 (fail) otherwise. Patch releases and pre-release
    # (-alpha/-beta) are not taken into account
    #
    # examples:
    #
    # version_compare 23.0.0 20.10 // 0 (success)
    # version_compare 23.0 20.10   // 0 (success)
    # version_compare 20.10 19.03  // 0 (success)
    # version_compare 20.10 20.10  // 0 (success)
    # version_compare 19.03 20.10  // 1 (fail)
    version_compare() (
        set +x

        yy_a="$(echo "$1" | cut -d'.' -f1)"
        yy_b="$(echo "$2" | cut -d'.' -f1)"
        if [ "$yy_a" -lt "$yy_b" ]; then
            return 1
        fi
        if [ "$yy_a" -gt "$yy_b" ]; then
            return 0
        fi
        mm_a="$(echo "$1" | cut -d'.' -f2)"
        mm_b="$(echo "$2" | cut -d'.' -f2)"

        # trim leading zeros to accommodate CalVer
        mm_a="${mm_a#0}"
        mm_b="${mm_b#0}"

        if [ "${mm_a:-0}" -lt "${mm_b:-0}" ]; then
            return 1
        fi

        return 0
    )

    is_dry_run() {
        if [ -z "$DRY_RUN" ]; then
            return 1
        else
            return 0
        fi
    }

    is_wsl() {
        case "$(uname -r)" in
        *microsoft* ) true ;; # WSL 2
        *Microsoft* ) true ;; # WSL 1
        * ) false;;
        esac
    }

    is_darwin() {
        case "$(uname -s)" in
        *darwin* ) true ;;
        *Darwin* ) true ;;
        * ) false;;
        esac
    }

    deprecation_notice() {
        distro=$1
        distro_version=$2
        echo
        printf "\033[91;1mDEPRECATION WARNING\033[0m\n"
        printf "    This Linux distribution (\033[1m%s %s\033[0m) reached end-of-life and is no longer supported by this script.\n" "$distro" "$distro_version"
        echo   "    No updates or security fixes will be released for this distribution, and users are recommended"
        echo   "    to upgrade to a currently maintained version of $distro."
        echo
        printf   "Press \033[1mCtrl+C\033[0m now to abort this script, or wait for the installation to continue."
        echo
        sleep 10
    }

    get_distribution() {
        lsb_dist=""
        # Every system that we officially support has /etc/os-release
        if [ -r /etc/os-release ]; then
            lsb_dist="$(. /etc/os-release && echo "$ID")"
        fi
        # Returning an empty string here should be alright since the
        # case statements don't act unless you provide an actual value
        echo "$lsb_dist"
    }

    echo_docker_as_nonroot() {
        if is_dry_run; then
            return
        fi
        if command_exists docker && [ -e /var/run/docker.sock ]; then
            (
                set -x
                $sh_c 'docker version'
            ) || true
        fi

        # intentionally mixed spaces and tabs here -- tabs are stripped by "<<-EOF", spaces are kept in the output
        echo
        echo "================================================================================"
        echo
        if version_gte "20.10"; then
            echo "To run Docker as a non-privileged user, consider setting up the"
            echo "Docker daemon in rootless mode for your user:"
            echo
            echo "    dockerd-rootless-setuptool.sh install"
            echo
            echo "Visit https://docs.docker.com/go/rootless/ to learn about rootless mode."
            echo
        fi
        echo
        echo "To run the Docker daemon as a fully privileged service, but granting non-root"
        echo "users access, refer to https://docs.docker.com/go/daemon-access/"
        echo
        echo "WARNING: Access to the remote API on a privileged Docker daemon is equivalent"
        echo "         to root access on the host. Refer to the 'Docker daemon attack surface'"
        echo "         documentation for details: https://docs.docker.com/go/attack-surface/"
        echo
        echo "================================================================================"
        echo
    }

    # Check if this is a forked Linux distro
    check_forked() {

        # Check for lsb_release command existence, it usually exists in forked distros
        if command_exists lsb_release; then
            # Check if the `-u` option is supported
            set +e
            lsb_release -a -u > /dev/null 2>&1
            lsb_release_exit_code=$?
            set -e

            # Check if the command has exited successfully, it means we're in a forked distro
            if [ "$lsb_release_exit_code" = "0" ]; then
                # Print info about current distro
                cat <<-EOF
                You're using '$lsb_dist' version '$dist_version'.
                EOF

                # Get the upstream release info
                lsb_dist=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -E 'id' | cut -d ':' -f 2 | tr -d '[:space:]')
                dist_version=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -E 'codename' | cut -d ':' -f 2 | tr -d '[:space:]')

                # Print info about upstream distro
                cat <<-EOF
                Upstream release is '$lsb_dist' version '$dist_version'.
                EOF
            else
                if [ -r /etc/debian_version ] && [ "$lsb_dist" != "ubuntu" ] && [ "$lsb_dist" != "raspbian" ]; then
                    if [ "$lsb_dist" = "osmc" ]; then
                        # OSMC runs Raspbian
                        lsb_dist=raspbian
                    else
                        # We're Debian and don't even know it!
                        lsb_dist=debian
                    fi
                    dist_version="$(sed 's/\/.*//' /etc/debian_version | sed 's/\..*//')"
                    case "$dist_version" in
                        12)
                            dist_version="bookworm"
                        ;;
                        11)
                            dist_version="bullseye"
                        ;;
                        10)
                            dist_version="buster"
                        ;;
                        9)
                            dist_version="stretch"
                        ;;
                        8)
                            dist_version="jessie"
                        ;;
                    esac
                fi
            fi
        fi
    }

    do_install() {
        echo "# Executing docker install script, commit: $SCRIPT_COMMIT_SHA"

        if command_exists docker; then
            cat >&2 <<-'EOF'
                Warning: the "docker" command appears to already exist on this system.

                If you already have Docker installed, this script can cause trouble, which is
                why we're displaying this warning and provide the opportunity to cancel the
                installation.

                If you installed the current Docker package using this script and are using it
                again to update Docker, you can ignore this message, but be aware that the
                script resets any custom changes in the deb and rpm repo configuration
                files to match the parameters passed to the script.

                You may press Ctrl+C now to abort this script.
            EOF
            ( set -x; sleep 20 )
        fi

        user="$(id -un 2>/dev/null || true)"

        sh_c='sh -c'
        if [ "$user" != 'root' ]; then
            if command_exists sudo; then
                sh_c='sudo -E sh -c'
            elif command_exists su; then
                sh_c='su -c'
            else
                cat >&2 <<-'EOF'
                Error: this installer needs the ability to run commands as root.
                We are unable to find either "sudo" or "su" available to make this happen.
                EOF
                exit 1
            fi
        fi

        if is_dry_run; then
            sh_c="echo"
        fi

        # perform some very rudimentary platform detection
        lsb_dist=$( get_distribution )
        lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"

        if is_wsl; then
            echo
            echo "WSL DETECTED: We recommend using Docker Desktop for Windows."
            echo "Please get Docker Desktop from https://www.docker.com/products/docker-desktop/"
            echo
            cat >&2 <<-'EOF'

                You may press Ctrl+C now to abort this script.
            EOF
            ( set -x; sleep 20 )
        fi

        case "$lsb_dist" in

            ubuntu)
                if command_exists lsb_release; then
                    dist_version="$(lsb_release --codename | cut -f2)"
                fi
                if [ -z "$dist_version" ] && [ -r /etc/lsb-release ]; then
                    dist_version="$(. /etc/lsb-release && echo "$DISTRIB_CODENAME")"
                fi
            ;;

            debian|raspbian)
                dist_version="$(sed 's/\/.*//' /etc/debian_version | sed 's/\..*//')"
                case "$dist_version" in
                    12)
                        dist_version="bookworm"
                    ;;
                    11)
                        dist_version="bullseye"
                    ;;
                    10)
                        dist_version="buster"
                    ;;
                    9)
                        dist_version="stretch"
                    ;;
                    8)
                        dist_version="jessie"
                    ;;
                esac
            ;;

            centos|rhel)
                if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
                    dist_version="$(. /etc/os-release && echo "$VERSION_ID")"
                fi
            ;;

            *)
                if command_exists lsb_release; then
                    dist_version="$(lsb_release --release | cut -f2)"
                fi
                if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
                    dist_version="$(. /etc/os-release && echo "$VERSION_ID")"
                fi
            ;;

        esac

        # Check if this is a forked Linux distro
        check_forked

        # Print deprecation warnings for distro versions that recently reached EOL,
        # but may still be commonly used (especially LTS versions).
        case "$lsb_dist.$dist_version" in
            centos.8|centos.7|rhel.7)
                deprecation_notice "$lsb_dist" "$dist_version"
                ;;
            debian.buster|debian.stretch|debian.jessie)
                deprecation_notice "$lsb_dist" "$dist_version"
                ;;
            raspbian.buster|raspbian.stretch|raspbian.jessie)
                deprecation_notice "$lsb_dist" "$dist_version"
                ;;
            ubuntu.bionic|ubuntu.xenial|ubuntu.trusty)
                deprecation_notice "$lsb_dist" "$dist_version"
                ;;
            ubuntu.mantic|ubuntu.lunar|ubuntu.kinetic|ubuntu.impish|ubuntu.hirsute|ubuntu.groovy|ubuntu.eoan|ubuntu.disco|ubuntu.cosmic)
                deprecation_notice "$lsb_dist" "$dist_version"
                ;;
            fedora.*)
                if [ "$dist_version" -lt 40 ]; then
                    deprecation_notice "$lsb_dist" "$dist_version"
                fi
                ;;
        esac

        # Run setup for each distro accordingly
        case "$lsb_dist" in
            ubuntu|debian|raspbian)
                pre_reqs="ca-certificates curl"
                apt_repo="deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] $DOWNLOAD_URL/linux/$lsb_dist $dist_version $CHANNEL"
                (
                    if ! is_dry_run; then
                        set -x
                    fi
                    $sh_c 'apt-get -qq update >/dev/null'
                    $sh_c "DEBIAN_FRONTEND=noninteractive apt-get -y -qq install $pre_reqs >/dev/null"
                    $sh_c 'install -m 0755 -d /etc/apt/keyrings'
                    $sh_c "curl -fsSL \"$DOWNLOAD_URL/linux/$lsb_dist/gpg\" -o /etc/apt/keyrings/docker.asc"
                    $sh_c "chmod a+r /etc/apt/keyrings/docker.asc"
                    $sh_c "echo \"$apt_repo\" > /etc/apt/sources.list.d/docker.list"
                    $sh_c 'apt-get -qq update >/dev/null'
                )
                pkg_version=""
                if [ -n "$VERSION" ]; then
                    if is_dry_run; then
                        echo "# WARNING: VERSION pinning is not supported in DRY_RUN"
                    else
                        # Will work for incomplete versions IE (17.12), but may not actually grab the "latest" if in the test channel
                        pkg_pattern="$(echo "$VERSION" | sed 's/-ce-/~ce~.*/g' | sed 's/-/.*/g')"
                        search_command="apt-cache madison docker-ce | grep '$pkg_pattern' | head -1 | awk '{\$1=\$1};1' | cut -d' ' -f 3"
                        pkg_version="$($sh_c "$search_command")"
                        echo "INFO: Searching repository for VERSION '$VERSION'"
                        echo "INFO: $search_command"
                        if [ -z "$pkg_version" ]; then
                            echo
                            echo "ERROR: '$VERSION' not found amongst apt-cache madison results"
                            echo
                            exit 1
                        fi
                        if version_gte "18.09"; then
                                search_command="apt-cache madison docker-ce-cli | grep '$pkg_pattern' | head -1 | awk '{\$1=\$1};1' | cut -d' ' -f 3"
                                echo "INFO: $search_command"
                                cli_pkg_version="=$($sh_c "$search_command")"
                        fi
                        pkg_version="=$pkg_version"
                    fi
                fi
                (
                    pkgs="docker-ce${pkg_version%=}"
                    if version_gte "18.09"; then
                            # older versions didn't ship the cli and containerd as separate packages
                            pkgs="$pkgs docker-ce-cli${cli_pkg_version%=} containerd.io"
                    fi
                    if version_gte "20.10"; then
                            pkgs="$pkgs docker-compose-plugin docker-ce-rootless-extras$pkg_version"
                    fi
                    if version_gte "23.0"; then
                            pkgs="$pkgs docker-buildx-plugin"
                    fi
                    if ! is_dry_run; then
                        set -x
                    fi
                    $sh_c "DEBIAN_FRONTEND=noninteractive apt-get -y -qq install $pkgs >/dev/null"
                )
                echo_docker_as_nonroot
                exit 0
                ;;
            centos|fedora|rhel)
                repo_file_url="$DOWNLOAD_URL/linux/$lsb_dist/$REPO_FILE"
                (
                    if ! is_dry_run; then
                        set -x
                    fi
                    if command_exists dnf5; then
                        $sh_c "dnf -y -q --setopt=install_weak_deps=False install dnf-plugins-core"
                        $sh_c "dnf5 config-manager addrepo --overwrite --save-filename=docker-ce.repo --from-repofile='$repo_file_url'"

                        if [ "$CHANNEL" != "stable" ]; then
                            $sh_c "dnf5 config-manager setopt \"docker-ce-*.enabled=0\""
                            $sh_c "dnf5 config-manager setopt \"docker-ce-$CHANNEL.enabled=1\""
                        fi
                        $sh_c "dnf makecache"
                    elif command_exists dnf; then
                        $sh_c "dnf -y -q --setopt=install_weak_deps=False install dnf-plugins-core"
                        $sh_c "rm -f /etc/yum.repos.d/docker-ce.repo  /etc/yum.repos.d/docker-ce-staging.repo"
                        $sh_c "dnf config-manager --add-repo $repo_file_url"

                        if [ "$CHANNEL" != "stable" ]; then
                            $sh_c "dnf config-manager --set-disabled \"docker-ce-*\""
                            $sh_c "dnf config-manager --set-enabled \"docker-ce-$CHANNEL\""
                        fi
                        $sh_c "dnf makecache"
                    else
                        $sh_c "yum -y -q install yum-utils"
                        $sh_c "rm -f /etc/yum.repos.d/docker-ce.repo  /etc/yum.repos.d/docker-ce-staging.repo"
                        $sh_c "yum-config-manager --add-repo $repo_file_url"

                        if [ "$CHANNEL" != "stable" ]; then
                            $sh_c "yum-config-manager --disable \"docker-ce-*\""
                            $sh_c "yum-config-manager --enable \"docker-ce-$CHANNEL\""
                        fi
                        $sh_c "yum makecache"
                    fi
                )
                pkg_version=""
                if command_exists dnf; then
                    pkg_manager="dnf"
                    pkg_manager_flags="-y -q --best"
                else
                    pkg_manager="yum"
                    pkg_manager_flags="-y -q"
                fi
                if [ -n "$VERSION" ]; then
                    if is_dry_run; then
                        echo "# WARNING: VERSION pinning is not supported in DRY_RUN"
                    else
                        if [ "$lsb_dist" = "fedora" ]; then
                            pkg_suffix="fc$dist_version"
                        else
                            pkg_suffix="el"
                        fi
                        pkg_pattern="$(echo "$VERSION" | sed 's/-ce-/\\\\.ce.*/g' | sed 's/-/.*/g').*$pkg_suffix"
                        search_command="$pkg_manager list --showduplicates docker-ce | grep '$pkg_pattern' | tail -1 | awk '{print \$2}'"
                        pkg_version="$($sh_c "$search_command")"
                        echo "INFO: Searching repository for VERSION '$VERSION'"
                        echo "INFO: $search_command"
                        if [ -z "$pkg_version" ]; then
                            echo
                            echo "ERROR: '$VERSION' not found amongst $pkg_manager list results"
                            echo
                            exit 1
                        fi
                        if version_gte "18.09"; then
                            # older versions don't support a cli package
                            search_command="$pkg_manager list --showduplicates docker-ce-cli | grep '$pkg_pattern' | tail -1 | awk '{print \$2}'"
                            cli_pkg_version="$($sh_c "$search_command" | cut -d':' -f 2)"
                        fi
                        # Cut out the epoch and prefix with a '-'
                        pkg_version="-$(echo "$pkg_version" | cut -d':' -f 2)"
                    fi
                fi
                (
                    pkgs="docker-ce$pkg_version"
                    if version_gte "18.09"; then
                        # older versions didn't ship the cli and containerd as separate packages
                        if [ -n "$cli_pkg_version" ]; then
                            pkgs="$pkgs docker-ce-cli-$cli_pkg_version containerd.io"
                        else
                            pkgs="$pkgs docker-ce-cli containerd.io"
                        fi
                    fi
                    if version_gte "20.10"; then
                        pkgs="$pkgs docker-compose-plugin docker-ce-rootless-extras$pkg_version"
                    fi
                    if version_gte "23.0"; then
                            pkgs="$pkgs docker-buildx-plugin"
                    fi
                    if ! is_dry_run; then
                        set -x
                    fi
                    $sh_c "$pkg_manager $pkg_manager_flags install $pkgs"
                )
                echo_docker_as_nonroot
                exit 0
                ;;
            sles)
                if [ "$(uname -m)" != "s390x" ]; then
                    echo "Packages for SLES are currently only available for s390x"
                    exit 1
                fi
                repo_file_url="$DOWNLOAD_URL/linux/$lsb_dist/$REPO_FILE"
                pre_reqs="ca-certificates curl libseccomp2 awk"
                (
                    if ! is_dry_run; then
                        set -x
                    fi
                    $sh_c "zypper install -y $pre_reqs"
                    $sh_c "rm -f /etc/zypp/repos.d/docker-ce-*.repo"
                    $sh_c "zypper addrepo $repo_file_url"

                    opensuse_factory_url="https://download.opensuse.org/repositories/security:/SELinux/openSUSE_Factory/"
                    if ! zypper lr -d | grep -q "${opensuse_factory_url}"; then
                        opensuse_repo="${opensuse_factory_url}security:SELinux.repo"
                        if ! is_dry_run; then
                            cat >&2 <<- EOF
                                WARNING!!
                                openSUSE repository ($opensuse_repo) will be enabled now.
                                Do you wish to continue?
                                You may press Ctrl+C now to abort this script.
                            EOF
                            ( set -x; sleep 20 )
                        fi
                        $sh_c "zypper addrepo $opensuse_repo"
                    fi
                    $sh_c "zypper --gpg-auto-import-keys refresh"
                    $sh_c "zypper lr -d"
                )
                pkg_version=""
                if [ -n "$VERSION" ]; then
                    if is_dry_run; then
                        echo "# WARNING: VERSION pinning is not supported in DRY_RUN"
                    else
                        pkg_pattern="$(echo "$VERSION" | sed 's/-ce-/\\\\.ce.*/g' | sed 's/-/.*/g')"
                        search_command="zypper search -s --match-exact 'docker-ce' | grep '$pkg_pattern' | tail -1 | awk '{print \$6}'"
                        pkg_version="$($sh_c "$search_command")"
                        echo "INFO: Searching repository for VERSION '$VERSION'"
                        echo "INFO: $search_command"
                        if [ -z "$pkg_version" ]; then
                            echo
                            echo "ERROR: '$VERSION' not found amongst zypper list results"
                            echo
                            exit 1
                        fi
                        search_command="zypper search -s --match-exact 'docker-ce-cli' | grep '$pkg_pattern' | tail -1 | awk '{print \$6}'"
                        # It's okay for cli_pkg_version to be blank, since older versions don't support a cli package
                        cli_pkg_version="$($sh_c "$search_command")"
                        pkg_version="-$pkg_version"
                    fi
                fi
                (
                    pkgs="docker-ce$pkg_version"
                    if version_gte "18.09"; then
                        if [ -n "$cli_pkg_version" ]; then
                            # older versions didn't ship the cli and containerd as separate packages
                            pkgs="$pkgs docker-ce-cli-$cli_pkg_version containerd.io"
                        else
                            pkgs="$pkgs docker-ce-cli containerd.io"
                        fi
                    fi
                    if version_gte "20.10"; then
                        pkgs="$pkgs docker-compose-plugin docker-ce-rootless-extras$pkg_version"
                    fi
                    if version_gte "23.0"; then
                            pkgs="$pkgs docker-buildx-plugin"
                    fi
                    if ! is_dry_run; then
                        set -x
                    fi
                    $sh_c "zypper -q install -y $pkgs"
                )
                echo_docker_as_nonroot
                exit 0
                ;;
            *)
                if [ -z "$lsb_dist" ]; then
                    if is_darwin; then
                        echo
                        echo "ERROR: Unsupported operating system 'macOS'"
                        echo "Please get Docker Desktop from https://www.docker.com/products/docker-desktop"
                        echo
                        exit 1
                    fi
                fi
                echo
                echo "ERROR: Unsupported distribution '$lsb_dist'"
                echo
                exit 1
                ;;
        esac
        exit 1
    }

    # wrapped up in a function so that we have some protection against only getting
    # half the file during "curl | sh"
    do_install