[clean up] drop obsolete searx, filtron and morty install scripts

Since ./utils/searxng.sh is implemented, the old installation procedures from
filtron, morty and searx can be removed.

For users who want to upgrade, the procedures for removing old installations
have still been retained.

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

1 files changed, 4 insertions, 1029 deletions

diff --git a/utils/searx.sh b/utils/searx.sh
index af925e810..2f5e98c8e 100755
--- a/utils/searx.sh
+++ b/utils/searx.sh
@@ -5,132 +5,14 @@
 # shellcheck source=utils/lib.sh
 source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
 
-# shellcheck source=utils/lib_install.sh
-source "${REPO_ROOT}/utils/lib_install.sh"
-
 # ----------------------------------------------------------------------------
 # config
 # ----------------------------------------------------------------------------
 
-SEARXNG_INTERNAL_HTTP="${SEARXNG_BIND_ADDRESS}:${SEARXNG_PORT}"
-
-SEARXNG_URL_PATH="${SEARXNG_URL_PATH:-$(echo "${PUBLIC_URL}" \
-| sed -e 's,^.*://[^/]*\(/.*\),\1,g')}"
-[[ "${SEARXNG_URL_PATH}" == "${PUBLIC_URL}" ]] && SEARXNG_URL_PATH=/
-
 SERVICE_NAME="searx"
 SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
-SERVICE_HOME_BASE="${SERVICE_HOME_BASE:-/usr/local}"
-SERVICE_HOME="${SERVICE_HOME_BASE}/${SERVICE_USER}"
-# shellcheck disable=SC2034
-SERVICE_GROUP="${SERVICE_USER}"
-
-GIT_BRANCH="${GIT_BRANCH:-master}"
-SEARXNG_PYENV="${SERVICE_HOME}/searx-pyenv"
-SEARXNG_SRC="${SERVICE_HOME}/searx-src"
-# shellcheck disable=SC2034
-SEARXNG_STATIC="${SEARXNG_SRC}/searx/static"
-SEARXNG_SETTINGS_PATH="/etc/searxng/settings.yml"
-SEARXNG_UWSGI_APP="searxng.ini"
-# shellcheck disable=SC2034
-SEARXNG_UWSGI_SOCKET="/run/uwsgi/app/searxng/socket"
-
-# apt packages
-SEARX_PACKAGES_debian="\
-python3-dev python3-babel python3-venv
-uwsgi uwsgi-plugin-python3
-git build-essential libxslt-dev zlib1g-dev libffi-dev libssl-dev
-shellcheck"
-
-BUILD_PACKAGES_debian="\
-firefox graphviz imagemagick texlive-xetex librsvg2-bin
-texlive-latex-recommended texlive-extra-utils fonts-dejavu
-latexmk"
-
-# pacman packages
-SEARX_PACKAGES_arch="\
-python python-pip python-lxml python-babel
-uwsgi uwsgi-plugin-python
-git base-devel libxml2
-shellcheck"
-
-BUILD_PACKAGES_arch="\
-firefox graphviz imagemagick texlive-bin extra/librsvg
-texlive-core texlive-latexextra ttf-dejavu"
-
-# dnf packages
-SEARX_PACKAGES_fedora="\
-python python-pip python-lxml python-babel python3-devel
-uwsgi uwsgi-plugin-python3
-git @development-tools libxml2 openssl
-ShellCheck"
-
-BUILD_PACKAGES_fedora="\
-firefox graphviz graphviz-gd ImageMagick librsvg2-tools
-texlive-xetex-bin texlive-collection-fontsrecommended
-texlive-collection-latex dejavu-sans-fonts dejavu-serif-fonts
-dejavu-sans-mono-fonts"
-
-# yum packages
-#
-# hint: We do no longer support yum packages, it is to complex to maintain
-#       automate installation of packages like npm.  In the firts step we ignore
-#       CentOS-7 as developer & build platform (the inital patch which brought
-#       CentOS-7 supports was not intended to be a developer platform).
-
-SEARX_PACKAGES_centos="\
-python36 python36-pip python36-lxml python-babel
-uwsgi uwsgi-plugin-python3
-git @development-tools libxml2
-ShellCheck"
-
-BUILD_PACKAGES_centos="\
-firefox graphviz graphviz-gd ImageMagick librsvg2-tools
-texlive-xetex-bin texlive-collection-fontsrecommended
-texlive-collection-latex dejavu-sans-fonts dejavu-serif-fonts
-dejavu-sans-mono-fonts"
-
-case $DIST_ID-$DIST_VERS in
-    ubuntu-16.04|ubuntu-18.04)
-        SEARX_PACKAGES="${SEARX_PACKAGES_debian}"
-        BUILD_PACKAGES="${BUILD_PACKAGES_debian}"
-        APACHE_PACKAGES="$APACHE_PACKAGES libapache2-mod-proxy-uwsgi"
-        ;;
-    ubuntu-20.04)
-        # https://askubuntu.com/a/1224710
-        SEARX_PACKAGES="${SEARX_PACKAGES_debian} python-is-python3"
-        BUILD_PACKAGES="${BUILD_PACKAGES_debian}"
-        ;;
-    ubuntu-*|debian-*)
-        SEARX_PACKAGES="${SEARX_PACKAGES_debian}"
-        BUILD_PACKAGES="${BUILD_PACKAGES_debian}"
-        ;;
-    arch-*)
-        SEARX_PACKAGES="${SEARX_PACKAGES_arch}"
-        BUILD_PACKAGES="${BUILD_PACKAGES_arch}"
-        ;;
-    fedora-*)
-        SEARX_PACKAGES="${SEARX_PACKAGES_fedora}"
-        BUILD_PACKAGES="${BUILD_PACKAGES_fedora}"
-        ;;
-    centos-7)
-        SEARX_PACKAGES="${SEARX_PACKAGES_centos}"
-        BUILD_PACKAGES="${BUILD_PACKAGES_centos}"
-        ;;
-esac
-
-# Apache Settings
-APACHE_SEARX_SITE="searxng.conf"
-
-# shellcheck disable=SC2034
-CONFIG_FILES=(
-    "${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP}"
-)
-
-# shellcheck disable=SC2034
-CONFIG_BACKUP_ENCRYPTED=(
-    "${SEARXNG_SETTINGS_PATH}"
-)
+SEARXNG_SETTINGS_PATH="/etc/searx/settings.yml"
+SEARXNG_UWSGI_APP="searx.ini"
 
 # ----------------------------------------------------------------------------
 usage() {
@@ -139,286 +21,30 @@ usage() {
     # shellcheck disable=SC1117
     cat <<EOF
 usage::
-  $(basename "$0") shell
-  $(basename "$0") install    [all|check|init-src|dot-config|user|searx-src|pyenv|uwsgi|packages|settings|buildhost]
-  $(basename "$0") reinstall  all
-  $(basename "$0") update     [searx]
-  $(basename "$0") remove     [all|user|pyenv|searx-src]
-  $(basename "$0") activate   [service]
-  $(basename "$0") deactivate [service]
-  $(basename "$0") inspect    [service|settings <key>]
-  $(basename "$0") option     [debug-[on|off]|image-proxy-[on|off]|result-proxy <url> <key>]
-  $(basename "$0") apache     [install|remove]
+  $(basename "$0") remove     all
 
-shell
-  start interactive shell from user ${SERVICE_USER}
-install / remove
-  :all:        complete (de-) installation of SearXNG service
-  :user:       add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
-  :dot-config: copy ./config.sh to ${SEARXNG_SRC}
-  :searx-src:  clone $GIT_URL
-  :init-src:   copy files (SEARXNG_SRC_INIT_FILES) to ${SEARXNG_SRC}
-  :pyenv:      create/remove virtualenv (python) in $SEARXNG_PYENV
-  :uwsgi:      install SearXNG uWSGI application
-  :settings:   reinstall settings from ${SEARXNG_SETTINGS_PATH}
-  :packages:   install needed packages from OS package manager
-  :buildhost:  install packages from OS package manager needed by buildhosts
-install
-  :check:      check the SearXNG installation
-reinstall:
-  :all:        runs 'install/remove all'
-update searx
-  Update SearXNG installation ($SERVICE_HOME)
-activate service
-  activate and start service daemon (systemd unit)
-deactivate service
-  stop and deactivate service daemon (systemd unit)
-inspect
-  :service:    run some small tests and inspect service's status and log
-  :settings:   inspect YAML setting <key> from SearXNG instance (${SEARXNG_SRC})
-option
-  set one of the available options
-apache
-  :install: apache site with the SearXNG uwsgi app
-  :remove:  apache site ${APACHE_FILTRON_SITE}
----- sourced ${DOT_CONFIG}
-  SERVICE_USER        : ${SERVICE_USER}
-  SERVICE_HOME        : ${SERVICE_HOME}
+remove all:    complete uninstall of SearXNG service
 EOF
 
-    install_log_searx_instance
     [[ -n ${1} ]] &&  err_msg "$1"
 }
 
 main() {
-    required_commands \
-        sudo systemctl install git wget curl \
-        || exit
 
     local _usage="unknown or missing $1 command $2"
 
     case $1 in
-        --getenv)  var="$2"; echo "${!var}"; exit 0;;
-        -h|--help) usage; exit 0;;
-        shell)
-            sudo_or_exit
-            interactive_shell "${SERVICE_USER}"
-            ;;
-        inspect)
-            case $2 in
-                service)
-                    sudo_or_exit
-                    inspect_service
-                    ;;
-                settings)
-                    prompt_installation_setting "$3"
-                    dump_return $?
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        reinstall)
-            rst_title "re-install $SERVICE_NAME" part
-            sudo_or_exit
-            case $2 in
-                all)
-                    remove_all
-                    install_all
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        install)
-            sudo_or_exit
-            case $2 in
-                all)
-                    rst_title "SearXNG (install)" part
-                    install_all
-                    ;;
-                check)
-                    rst_title "SearXNG (check installation)" part
-                    verify_continue_install
-                    install_check
-                    ;;
-                user)
-                    rst_title "SearXNG (install user)"
-                    verify_continue_install
-                    assert_user
-                    ;;
-                pyenv)
-                    rst_title "SearXNG (install pyenv)"
-                    verify_continue_install
-                    create_pyenv
-                    ;;
-                searx-src)
-                    rst_title "SearXNG (install searx-src)"
-                    verify_continue_install
-                    assert_user
-                    clone_searx
-                    install_DOT_CONFIG
-                    init_SEARX_SRC
-                    ;;
-                init-src)
-                    init_SEARX_SRC
-                    ;;
-                dot-config)
-                    install_DOT_CONFIG
-                    ;;
-                settings)
-                    install_settings
-                    ;;
-                uwsgi)
-                    rst_title "SearXNG (install uwsgi)"
-                    verify_continue_install
-                    install_searx_uwsgi
-                    if ! service_is_available "http://${SEARXNG_INTERNAL_HTTP}"; then
-                        err_msg "URL http://${SEARXNG_INTERNAL_HTTP} not available, check SearXNG & uwsgi setup!"
-                    fi
-                    ;;
-                packages)
-                    rst_title "SearXNG (install packages)"
-                    pkg_install "$SEARX_PACKAGES"
-                    ;;
-                buildhost)
-                    rst_title "SearXNG (install buildhost)"
-                    pkg_install "$SEARX_PACKAGES"
-                    pkg_install "$BUILD_PACKAGES"
-                    ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        update)
-            sudo_or_exit
-            case $2 in
-                searx) update_searx;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
         remove)
             rst_title "SearXNG (remove)" part
             sudo_or_exit
             case $2 in
                 all) remove_all;;
-                user) drop_service_account "${SERVICE_USER}";;
-                pyenv) remove_pyenv ;;
-                searx-src) remove_searx ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        activate)
-            sudo_or_exit
-            case $2 in
-                service)
-                    activate_service ;;
                 *) usage "$_usage"; exit 42;;
             esac ;;
-        deactivate)
-            sudo_or_exit
-            case $2 in
-                service)  deactivate_service ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        option)
-            sudo_or_exit
-            case $2 in
-                debug-on)  echo; enable_debug ;;
-                debug-off)  echo; disable_debug ;;
-                result-proxy) set_result_proxy "$3" "$4" ;;
-                image-proxy-on) enable_image_proxy ;;
-                image-proxy-off) disable_image_proxy ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        apache)
-            sudo_or_exit
-            case $2 in
-                install) install_apache_site ;;
-                remove) remove_apache_site ;;
-                *) usage "$_usage"; exit 42;;
-            esac ;;
-        doc) rst-doc;;
         *) usage "unknown or missing command $1"; exit 42;;
     esac
 }
 
-_service_prefix="  ${_Yellow}|$SERVICE_USER|${_creset} "
-
-install_all() {
-    rst_title "Install SearXNG (service)"
-    verify_continue_install
-    pkg_install "$SEARX_PACKAGES"
-    wait_key
-    assert_user
-    wait_key
-    clone_searx
-    wait_key
-    install_DOT_CONFIG
-    wait_key
-    init_SEARX_SRC
-    wait_key
-    create_pyenv
-    wait_key
-    install_settings
-    wait_key
-    test_local_searx
-    wait_key
-    install_searx_uwsgi
-    if ! service_is_available "http://${SEARXNG_INTERNAL_HTTP}"; then
-        err_msg "URL http://${SEARXNG_INTERNAL_HTTP} not available, check SearXNG & uwsgi setup!"
-    fi
-    if ask_yn "Do you want to inspect the installation?" Ny; then
-        inspect_service
-    fi
-}
-
-install_check() {
-    if service_account_is_available "$SERVICE_USER"; then
-        info_msg "Service account $SERVICE_USER exists."
-    else
-        err_msg "Service account $SERVICE_USER does not exists!"
-    fi
-
-    if pyenv_is_available; then
-        info_msg "~$SERVICE_USER: python environment is available."
-    else
-        err_msg "~$SERVICE_USER: python environment is not available!"
-    fi
-
-    if clone_is_available; then
-        info_msg "~$SERVICE_USER: SearXNG software is installed."
-    else
-        err_msg "~$SERVICE_USER: Missing SearXNG software!"
-    fi
-
-    if uWSGI_app_enabled "$SEARXNG_UWSGI_APP"; then
-        info_msg "uWSGI app $SEARXNG_UWSGI_APP is enabled."
-    else
-        err_msg "uWSGI app $SEARXNG_UWSGI_APP not enabled!"
-    fi
-
-    uWSGI_app_available "$SEARXNG_UWSGI_APP" \
-        || err_msg "uWSGI app $SEARXNG_UWSGI_APP not available!"
-
-    sudo -H -u "${SERVICE_USER}" "${SEARXNG_PYENV}/bin/python" "utils/searxng_check.py"
-
-    if uWSGI_app_available 'searx.ini'; then
-        warn_msg "old searx.ini uWSGI app exists"
-        warn_msg "you need to reinstall $SERVICE_USER --> $0 reinstall all"
-    fi
-}
-
-update_searx() {
-    rst_title "Update SearXNG instance"
-
-    rst_para "fetch from $GIT_URL and reset to origin/$GIT_BRANCH"
-    tee_stderr 0.3 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 |  prefix_stdout "$_service_prefix"
-cd ${SEARXNG_SRC}
-git fetch origin "$GIT_BRANCH"
-git reset --hard "origin/$GIT_BRANCH"
-pip install -U pip
-pip install -U setuptools
-pip install -U wheel
-pip install -U pyyaml
-pip install -U -e .
-EOF
-    install_settings
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
 remove_all() {
     rst_title "De-Install SearXNG (service)"
 
@@ -438,250 +64,6 @@ installations that were installed with this script."
     fi
 }
 
-assert_user() {
-    rst_title "user $SERVICE_USER" section
-    echo
-    if getent passwd "$SERVICE_USER"  > /dev/null; then
-       echo "user exists"
-       return 0
-    fi
-
-    tee_stderr 1 <<EOF | bash | prefix_stdout
-useradd --shell /bin/bash --system \
- --home-dir "$SERVICE_HOME" \
- --comment 'Privacy-respecting metasearch engine' $SERVICE_USER
-mkdir "$SERVICE_HOME"
-chown -R "$SERVICE_GROUP:$SERVICE_GROUP" "$SERVICE_HOME"
-groups $SERVICE_USER
-EOF
-    #SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)"
-    #export SERVICE_HOME
-    #echo "export SERVICE_HOME=$SERVICE_HOME"
-}
-
-clone_is_available() {
-    [[ -f "$SEARXNG_SRC/.git/config" ]]
-}
-
-# shellcheck disable=SC2164
-clone_searx() {
-    rst_title "Clone SearXNG sources" section
-    echo
-    if ! sudo -i -u "$SERVICE_USER" ls -d "$REPO_ROOT" > /dev/null; then
-        die 42 "user '$SERVICE_USER' missed read permission: $REPO_ROOT"
-    fi
-    SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME 2>/dev/null)"
-    if [[ ! "${SERVICE_HOME}" ]]; then
-        err_msg "to clone SearXNG sources, user $SERVICE_USER hast to be created first"
-        return 42
-    fi
-    if [[ ! $(git show-ref "refs/heads/${GIT_BRANCH}") ]]; then
-        warn_msg "missing local branch ${GIT_BRANCH}"
-        info_msg "create local branch ${GIT_BRANCH} from start point: origin/${GIT_BRANCH}"
-        git branch "${GIT_BRANCH}" "origin/${GIT_BRANCH}"
-    fi
-    if [[ ! $(git rev-parse --abbrev-ref HEAD) == "${GIT_BRANCH}" ]]; then
-        warn_msg "take into account, installing branch $GIT_BRANCH while current branch is $(git rev-parse --abbrev-ref HEAD)"
-    fi
-    export SERVICE_HOME
-    git_clone "$REPO_ROOT" "$SEARXNG_SRC" \
-              "$GIT_BRANCH" "$SERVICE_USER"
-
-    pushd "${SEARXNG_SRC}" > /dev/null
-    tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
-cd "${SEARXNG_SRC}"
-git remote set-url origin ${GIT_URL}
-git config user.email "$ADMIN_EMAIL"
-git config user.name "$ADMIN_NAME"
-git config --list
-EOF
-    popd > /dev/null
-}
-
-prompt_installation_status(){
-
-    # shellcheck disable=SC2034
-    local GIT_URL GIT_BRANCH VERSION_STRING VERSION_TAG
-    local ret_val state branch remote remote_url
-    state="$(install_searx_get_state)"
-
-    case $state in
-        missing-searx-clone|missing-searx-pyenv)
-            info_msg "${_BBlue}(status: $(install_searx_get_state))${_creset}"
-            return 0
-            ;;
-        *)
-            info_msg "SearXNG instance already installed at: $SEARXNG_SRC"
-            info_msg "status:  ${_BBlue}$(install_searx_get_state)${_creset} "
-            branch="$(git name-rev --name-only HEAD)"
-            remote="$(git config branch."${branch}".remote)"
-            remote_url="$(git config remote."${remote}".url)"
-            eval "$(get_installed_version_variables)"
-
-            ret_val=0
-            if ! [ "$GIT_URL" = "$remote_url" ]; then
-                warn_msg "instance's git URL: '${GIT_URL}'" \
-                         "differs from local clone's remote URL: ${remote_url}"
-                ret_val=42
-            fi
-            if ! [ "$GIT_BRANCH" = "$branch" ]; then
-                warn_msg "instance git branch: ${GIT_BRANCH}" \
-                         "differs from local clone's branch: ${branch}"
-                ret_val=42
-            fi
-            return $ret_val
-            ;;
-    esac
-}
-
-verify_continue_install(){
-    if ! prompt_installation_status; then
-        MSG="[${_BCyan}KEY${_creset}] to continue installation / [${_BCyan}CTRL-C${_creset}] to exit" \
-           wait_key
-    fi
-}
-
-prompt_installation_setting(){
-
-    # usage:  prompt_installation_setting brand.docs_url
-    #
-    # Prompts the value of the (YAML) setting in the SearXNG instance.
-
-    local _state
-    _state="$(install_searx_get_state)"
-    case $_state in
-        python-installed|installer-modified)
-            sudo -H -u "${SERVICE_USER}" "${SEARXNG_PYENV}/bin/python" <<EOF
-import sys
-from searx import get_setting
-name = "${1}"
-unset = object()
-value = get_setting(name, unset)
-if value is unset:
-    sys.stderr.write("error: setting '%s' does not exists\n" % name)
-    sys.exit(42)
-print(value)
-sys.exit(0)
-EOF
-            ;;
-        *)
-            return 42
-            ;;
-    esac
-}
-
-get_installed_version_variables() {
-
-    # usage:  eval "$(get_installed_version_variables)"
-    #
-    # Set variables VERSION_STRING, VERSION_TAG, GIT_URL, GIT_BRANCH
-
-    local _state
-    _state="$(install_searx_get_state)"
-    case $_state in
-        python-installed|installer-modified)
-            sudo -H -u "${SERVICE_USER}" "${SEARXNG_PYENV}/bin/python" -m searx.version;;
-        *)
-            return 42
-            ;;
-    esac
-}
-
-init_SEARX_SRC(){
-    rst_title "Update instance: ${SEARXNG_SRC}/" section
-
-    if ! clone_is_available; then
-        err_msg "you have to install SearXNG first"
-        return 1
-    fi
-
-    init_SEARX_SRC_INIT_FILES
-
-    if [ ${#SEARX_SRC_INIT_FILES[*]} -eq 0 ]; then
-        info_msg "no files registered in SEARX_SRC_INIT_FILES"
-        return 2
-    fi
-
-    echo
-    echo "Update instance with file(s) from: ${REPO_ROOT}"
-    echo
-    for i in "${SEARX_SRC_INIT_FILES[@]}"; do
-        echo "- $i"
-    done
-    echo
-    echo "Be careful when modifying an existing installation."
-    if ! ask_yn "Do you really want to update these files in the instance?" Yn; then
-        return 42
-    fi
-    for fname in "${SEARX_SRC_INIT_FILES[@]}"; do
-        while true; do
-            choose_one _reply "choose next step with file ${fname}" \
-                   "replace file" \
-                   "leave file unchanged" \
-                   "diff files" \
-                   "interactive shell"
-
-            case $_reply in
-                "leave file unchanged")
-                    break
-                    ;;
-                "replace file")
-                    info_msg "copy: ${REPO_ROOT}/${fname} --> ${SEARXNG_SRC}/${fname}"
-                    cp "${REPO_ROOT}/${fname}" "${SEARXNG_SRC}/${fname}"
-                    break
-                    ;;
-                "diff files")
-                    $DIFF_CMD "${SEARXNG_SRC}/${fname}" "${REPO_ROOT}/${fname}"
-                    ;;
-                "interactive shell")
-                    backup_file "${SEARXNG_SRC}/${fname}"
-                    echo -e "// edit ${_Red}${dst}${_creset} to your needs"
-                    echo -e "// exit with [${_BCyan}CTRL-D${_creset}]"
-                    sudo -H -u "${SERVICE_USER}" -i
-                    $DIFF_CMD "${SEARXNG_SRC}/${fname}"  "${REPO_ROOT}/${fname}"
-                    echo
-                    echo -e "// ${_BBlack}did you edit file ...${_creset}"
-                    echo -en "//  ${_Red}${dst}${_creset}"
-                    if ask_yn "//${_BBlack}... to your needs?${_creset}"; then
-                        break
-                    fi
-                    ;;
-            esac
-        done
-    done
-}
-
-install_DOT_CONFIG(){
-    rst_title "Update instance: ${SEARXNG_SRC}/.config.sh" section
-
-    if cmp --silent "${REPO_ROOT}/.config.sh" "${SEARXNG_SRC}/.config.sh"; then
-        info_msg "${SEARXNG_SRC}/.config.sh is up to date"
-        return 0
-    fi
-
-    diff "${REPO_ROOT}/.config.sh" "${SEARXNG_SRC}/.config.sh"
-    if ! ask_yn "Do you want to copy file .config.sh into instance?" Yn; then
-        return 42
-    fi
-    backup_file "${SEARXNG_SRC}/.config.sh"
-    cp "${REPO_ROOT}/.config.sh" "${SEARXNG_SRC}/.config.sh"
-}
-
-install_settings() {
-    rst_title "${SEARXNG_SETTINGS_PATH}" section
-
-    if ! clone_is_available; then
-        err_msg "you have to install SearXNG first"
-        exit 42
-    fi
-
-    mkdir -p "$(dirname "${SEARXNG_SETTINGS_PATH}")"
-    install_template --no-eval \
-        "${SEARXNG_SETTINGS_PATH}" \
-        "${SERVICE_USER}" "${SERVICE_GROUP}"
-    configure_searx
-}
-
 remove_settings() {
     rst_title "remove SearXNG settings" section
     echo
@@ -689,419 +71,12 @@ remove_settings() {
     rm -f "${SEARXNG_SETTINGS_PATH}"
 }
 
-remove_searx() {
-    rst_title "Drop SearXNG sources" section
-    if ask_yn "Do you really want to drop SearXNG sources ($SEARXNG_SRC)?"; then
-        rm -rf "$SEARXNG_SRC"
-    else
-        rst_para "Leave SearXNG sources unchanged."
-    fi
-}
-
-pyenv_is_available() {
-    [[ -f "${SEARXNG_PYENV}/bin/activate" ]]
-}
-
-create_pyenv() {
-    rst_title "Create virtualenv (python)" section
-    echo
-    if [[ ! -f "${SEARXNG_SRC}/manage" ]]; then
-        err_msg "to create pyenv for SearXNG, SearXNG has to be cloned first"
-        return 42
-    fi
-    info_msg "create pyenv in ${SEARXNG_PYENV}"
-    tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 |  prefix_stdout "$_service_prefix"
-rm -rf "${SEARXNG_PYENV}"
-python3 -m venv "${SEARXNG_PYENV}"
-grep -qFs -- 'source ${SEARXNG_PYENV}/bin/activate' ~/.profile \
-  || echo 'source ${SEARXNG_PYENV}/bin/activate' >> ~/.profile
-EOF
-    info_msg "inspect python's virtual environment"
-    tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 |  prefix_stdout "$_service_prefix"
-command -v python && python --version
-EOF
-    wait_key
-    info_msg "install needed python packages"
-    tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 |  prefix_stdout "$_service_prefix"
-pip install -U pip
-pip install -U setuptools
-pip install -U wheel
-pip install -U pyyaml
-cd ${SEARXNG_SRC}
-pip install -e .
-EOF
-}
-
-remove_pyenv() {
-    rst_title "Remove virtualenv (python)" section
-    if ! ask_yn "Do you really want to drop ${SEARXNG_PYENV} ?"; then
-        return
-    fi
-    info_msg "remove pyenv activation from ~/.profile"
-    tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 |  prefix_stdout "$_service_prefix"
-grep -v 'source ${SEARXNG_PYENV}/bin/activate' ~/.profile > ~/.profile.##
-mv ~/.profile.## ~/.profile
-EOF
-    rm -rf "${SEARXNG_PYENV}"
-}
-
-configure_searx() {
-    rst_title "Configure SearXNG" section
-    rst_para "Setup SearXNG config located at $SEARXNG_SETTINGS_PATH"
-    echo
-    tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 |  prefix_stdout "$_service_prefix"
-cd ${SEARXNG_SRC}
-sed -i -e "s/ultrasecretkey/$(openssl rand -hex 16)/g" "$SEARXNG_SETTINGS_PATH"
-EOF
-}
-
-test_local_searx() {
-    rst_title "Testing SearXNG instance localy" section
-    echo
-
-    if service_is_available "http://${SEARXNG_INTERNAL_HTTP}" &>/dev/null; then
-        err_msg "URL/port http://${SEARXNG_INTERNAL_HTTP} is already in use, you"
-        err_msg "should stop that service before starting local tests!"
-        if ! ask_yn "Continue with local tests?"; then
-            return
-        fi
-    fi
-    sed -i -e "s/debug: false/debug: true/g" "$SEARXNG_SETTINGS_PATH"
-    tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 |  prefix_stdout "$_service_prefix"
-export SEARXNG_SETTINGS_PATH="${SEARXNG_SETTINGS_PATH}"
-cd ${SEARXNG_SRC}
-timeout 10 python searx/webapp.py &
-sleep 3
-curl --location --verbose --head --insecure $SEARXNG_INTERNAL_HTTP
-EOF
-    sed -i -e "s/debug: true/debug: false/g" "$SEARXNG_SETTINGS_PATH"
-}
-
-install_searx_uwsgi() {
-    rst_title "Install SearXNG's uWSGI app (searxng.ini)" section
-    echo
-    install_uwsgi
-    uWSGI_install_app "$SEARXNG_UWSGI_APP"
-}
-
 remove_searx_uwsgi() {
     rst_title "Remove SearXNG's uWSGI app (searxng.ini)" section
     echo
     uWSGI_remove_app "$SEARXNG_UWSGI_APP"
 }
 
-activate_service() {
-    rst_title "Activate SearXNG (service)" section
-    echo
-    uWSGI_enable_app "$SEARXNG_UWSGI_APP"
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
-deactivate_service() {
-    rst_title "De-Activate SearXNG (service)" section
-    echo
-    uWSGI_disable_app "$SEARXNG_UWSGI_APP"
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
-enable_image_proxy() {
-    info_msg "try to enable image_proxy ..."
-    tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 |  prefix_stdout "$_service_prefix"
-cd ${SEARXNG_SRC}
-sed -i -e "s/image_proxy: false/image_proxy: true/g" "$SEARXNG_SETTINGS_PATH"
-EOF
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
-disable_image_proxy() {
-    info_msg "try to enable image_proxy ..."
-    tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 |  prefix_stdout "$_service_prefix"
-cd ${SEARXNG_SRC}
-sed -i -e "s/image_proxy: true/image_proxy: false/g" "$SEARXNG_SETTINGS_PATH"
-EOF
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
-enable_debug() {
-    warn_msg "Do not enable debug in production environments!!"
-    info_msg "try to enable debug mode ..."
-    tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 |  prefix_stdout "$_service_prefix"
-cd ${SEARXNG_SRC}
-sed -i -e "s/debug: false/debug: true/g" "$SEARXNG_SETTINGS_PATH"
-EOF
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
-disable_debug() {
-    info_msg "try to disable debug mode ..."
-    tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 |  prefix_stdout "$_service_prefix"
-cd ${SEARXNG_SRC}
-sed -i -e "s/debug: true/debug: false/g" "$SEARXNG_SETTINGS_PATH"
-EOF
-    uWSGI_restart "$SEARXNG_UWSGI_APP"
-}
-
-set_result_proxy() {
-
-    # usage: set_result_proxy <URL> [<key>]
-
-    info_msg "try to set result proxy: '$1' ($2)"
-    cp "${SEARXNG_SETTINGS_PATH}" "${SEARXNG_SETTINGS_PATH}.bak"
-    _set_result_proxy "$1" "$2" > "${SEARXNG_SETTINGS_PATH}"
-}
-
-_set_result_proxy() {
-    local line
-    local stage=0
-    local url="    url: $1"
-    local key="    key: !!binary \"$2\""
-    if [[ -z $2 ]]; then
-       key=
-    fi
-
-    while IFS=  read -r line
-    do
-        if [[ $stage = 0 ]] || [[ $stage = 2 ]] ; then
-            if [[ $line =~ ^[[:space:]]*#*[[:space:]]*result_proxy[[:space:]]*:[[:space:]]*$ ]]; then
-                if [[ $stage = 0 ]]; then
-                    stage=1
-                    echo "result_proxy:"
-                    continue
-                elif [[ $stage = 2 ]]; then
-                    continue
-                fi
-            fi
-        fi
-        if [[ $stage = 1 ]] || [[ $stage = 2 ]] ; then
-            if [[ $line =~ ^[[:space:]]*#*[[:space:]]*url[[:space:]]*:[[:space:]] ]]; then
-                [[ $stage = 1 ]]  && echo "$url"
-                continue
-            elif [[ $line =~ ^[[:space:]]*#*[[:space:]]*key[[:space:]]*:[[:space:]] ]]; then
-                [[ $stage = 1 ]] && [[ -n $key ]] && echo "$key"
-                continue
-            elif [[ $line =~ ^[[:space:]]*$ ]]; then
-                stage=2
-            fi
-        fi
-        echo "$line"
-    done < "${SEARXNG_SETTINGS_PATH}.bak"
-}
-
-function has_substring() {
-   [[ "$1" != "${2/$1/}" ]]
-}
-inspect_service() {
-    rst_title "service status & log"
-    cat <<EOF
-
-sourced ${DOT_CONFIG} :
-  SERVICE_USER        : ${SERVICE_USER}
-  SERVICE_HOME        : ${SERVICE_HOME}
-EOF
-    install_log_searx_instance
-
-    install_check
-    if in_container; then
-        lxc_suite_info
-    else
-        info_msg "public URL   --> ${PUBLIC_URL}"
-        info_msg "internal URL --> http://${SEARXNG_INTERNAL_HTTP}"
-    fi
-
-    if ! service_is_available "http://${SEARXNG_INTERNAL_HTTP}"; then
-        err_msg "uWSGI app (service) at http://${SEARXNG_INTERNAL_HTTP} is not available!"
-        MSG="${_Green}[${_BCyan}CTRL-C${_Green}] to stop or [${_BCyan}KEY${_Green}] to continue"\
-           wait_key
-    fi
-
-    if ! service_is_available "${PUBLIC_URL}"; then
-        warn_msg "Public service at ${PUBLIC_URL} is not available!"
-        if ! in_container; then
-            warn_msg "Check if public name is correct and routed or use the public IP from above."
-        fi
-    fi
-
-    local _debug_on
-    if ask_yn "Enable SearXNG debug mode?"; then
-        enable_debug
-        _debug_on=1
-    fi
-    echo
-
-    case $DIST_ID-$DIST_VERS in
-        ubuntu-*|debian-*)
-            systemctl --no-pager -l status "${SERVICE_NAME}"
-            ;;
-        arch-*)
-            systemctl --no-pager -l status "uwsgi@${SERVICE_NAME%.*}"
-            ;;
-        fedora-*|centos-7)
-            systemctl --no-pager -l status uwsgi
-            ;;
-    esac
-
-    # shellcheck disable=SC2059
-    printf "// use ${_BCyan}CTRL-C${_creset} to stop monitoring the log"
-    read -r -s -n1 -t 5
-    echo
-
-    while true;  do
-        trap break 2
-        case $DIST_ID-$DIST_VERS in
-            ubuntu-*|debian-*) tail -f /var/log/uwsgi/app/searx.log ;;
-            arch-*)  journalctl -f -u "uwsgi@${SERVICE_NAME%.*}" ;;
-            fedora-*|centos-7)  journalctl -f -u uwsgi ;;
-        esac
-    done
-
-    if [[ $_debug_on == 1 ]]; then
-        disable_debug
-    fi
-    return 0
-}
-
-install_apache_site() {
-    rst_title "Install Apache site $APACHE_SEARX_SITE"
-
-    rst_para "\
-This installs the SearXNG uwsgi app as apache site.  If your server is public to
-the internet, you should instead use a reverse proxy (filtron) to block
-excessively bot queries."
-
-    ! apache_is_installed && err_msg "Apache is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    else
-        install_apache
-    fi
-
-    apache_install_site --variant=uwsgi "${APACHE_SEARX_SITE}"
-
-    rst_title "Install SearXNG's uWSGI app (searxng.ini)" section
-    echo
-    uWSGI_install_app --variant=socket "$SEARXNG_UWSGI_APP"
-
-    if ! service_is_available "${PUBLIC_URL}"; then
-        err_msg "Public service at ${PUBLIC_URL} is not available!"
-    fi
-}
-
-remove_apache_site() {
-
-    rst_title "Remove Apache site ${APACHE_SEARX_SITE}"
-
-    rst_para "\
-This removes apache site ${APACHE_SEARX_SITE}."
-
-    ! apache_is_installed && err_msg "Apache is not installed."
-
-    if ! ask_yn "Do you really want to continue?" Yn; then
-        return
-    fi
-
-    apache_remove_site "${APACHE_SEARX_SITE}"
-
-    rst_title "Remove SearXNG's uWSGI app (searxng.ini)" section
-    echo
-    uWSGI_remove_app "$SEARXNG_UWSGI_APP"
-}
-
-rst-doc() {
-    local debian="${SEARX_PACKAGES_debian}"
-    local arch="${SEARX_PACKAGES_arch}"
-    local fedora="${SEARX_PACKAGES_fedora}"
-    local centos="${SEARX_PACKAGES_centos}"
-    local debian_build="${BUILD_PACKAGES_debian}"
-    local arch_build="${BUILD_PACKAGES_arch}"
-    local fedora_build="${BUILD_PACKAGES_fedora}"
-    local centos_build="${SEARX_PACKAGES_centos}"
-    debian="$(echo "${debian}" | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    arch="$(echo "${arch}"     | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    fedora="$(echo "${fedora}" | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    centos="$(echo "${centos}" | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    debian_build="$(echo "${debian_build}" | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    arch_build="$(echo "${arch_build}"     | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    fedora_build="$(echo "${fedora_build}" | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-    centos_build="$(echo "${centos_build}" | sed 's/.*/          & \\/' | sed '$ s/.$//')"
-
-    eval "echo \"$(< "${REPO_ROOT}/docs/build-templates/searx.rst")\""
-
-    # I use ubuntu-20.04 here to demonstrate that versions are also suported,
-    # normaly debian-* and ubuntu-* are most the same.
-
-    for DIST_NAME in ubuntu-20.04 arch fedora; do
-        (
-            DIST_ID=${DIST_NAME%-*}
-            DIST_VERS=${DIST_NAME#*-}
-            [[ $DIST_VERS =~ $DIST_ID ]] && DIST_VERS=
-            uWSGI_distro_setup
-
-            echo -e "\n.. START searxng uwsgi-description $DIST_NAME"
-
-            case $DIST_ID-$DIST_VERS in
-                ubuntu-*|debian-*)  cat <<EOF
-
-.. code:: bash
-
-   # init.d --> /usr/share/doc/uwsgi/README.Debian.gz
-   # For uWSGI debian uses the LSB init process, this might be changed
-   # one day, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833067
-
-   create     ${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP}
-   enable:    sudo -H ln -s ${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP} ${uWSGI_APPS_ENABLED}/
-   start:     sudo -H service uwsgi start   ${SEARXNG_UWSGI_APP%.*}
-   restart:   sudo -H service uwsgi restart ${SEARXNG_UWSGI_APP%.*}
-   stop:      sudo -H service uwsgi stop    ${SEARXNG_UWSGI_APP%.*}
-   disable:   sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
-
-EOF
-                ;;
-                arch-*) cat <<EOF
-
-.. code:: bash
-
-   # systemd --> /usr/lib/systemd/system/uwsgi@.service
-   # For uWSGI archlinux uses systemd template units, see
-   # - http://0pointer.de/blog/projects/instances.html
-   # - https://uwsgi-docs.readthedocs.io/en/latest/Systemd.html#one-service-per-app-in-systemd
-
-   create:    ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
-   enable:    sudo -H systemctl enable   uwsgi@${SEARXNG_UWSGI_APP%.*}
-   start:     sudo -H systemctl start    uwsgi@${SEARXNG_UWSGI_APP%.*}
-   restart:   sudo -H systemctl restart  uwsgi@${SEARXNG_UWSGI_APP%.*}
-   stop:      sudo -H systemctl stop     uwsgi@${SEARXNG_UWSGI_APP%.*}
-   disable:   sudo -H systemctl disable  uwsgi@${SEARXNG_UWSGI_APP%.*}
-
-EOF
-                ;;
-                fedora-*|centos-7) cat <<EOF
-
-.. code:: bash
-
-   # systemd --> /usr/lib/systemd/system/uwsgi.service
-   # The unit file starts uWSGI in emperor mode (/etc/uwsgi.ini), see
-   # - https://uwsgi-docs.readthedocs.io/en/latest/Emperor.html
-
-   create:    ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
-   restart:   sudo -H touch ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
-   disable:   sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARXNG_UWSGI_APP}
-
-EOF
-                ;;
-            esac
-            echo -e ".. END searxng uwsgi-description $DIST_NAME"
-
-            echo -e "\n.. START searxng uwsgi-appini $DIST_NAME"
-            echo ".. code:: bash"
-            echo
-            eval "echo \"$(< "${TEMPLATES}/${uWSGI_APPS_AVAILABLE}/${SEARXNG_UWSGI_APP}")\"" | prefix_stdout "  "
-            echo -e "\n.. END searxng uwsgi-appini $DIST_NAME"
-
-        )
-    done
-
-}
 
 # ----------------------------------------------------------------------------
 main "$@"