242 lines
8.6 KiB
Bash
Executable File
242 lines
8.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
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# Network-wide ad blocking via your own hardware.
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#
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# Check Pi-hole core and admin pages versions and determine what
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# upgrade (if any) is required. Automatically updates and reinstalls
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# application if update is detected.
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#
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# This file is copyright under the latest version of the EUPL.
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# Please see LICENSE file for your rights under this license.
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# Variables
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readonly ADMIN_INTERFACE_GIT_URL="https://github.com/pi-hole/web.git"
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readonly ADMIN_INTERFACE_DIR="/var/www/html/admin"
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readonly PI_HOLE_GIT_URL="https://github.com/pi-hole/pi-hole.git"
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readonly PI_HOLE_FILES_DIR="/etc/.pihole"
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# shellcheck disable=SC2034
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SKIP_INSTALL=true
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# when --check-only is passed to this script, it will not perform the actual update
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CHECK_ONLY=false
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# shellcheck disable=SC1090
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source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
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# shellcheck disable=SC1091
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source "/opt/pihole/COL_TABLE"
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# is_repo() sourced from basic-install.sh
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# make_repo() sourced from basic-install.sh
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# update_repo() source from basic-install.sh
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# getGitFiles() sourced from basic-install.sh
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# FTLcheckUpdate() sourced from basic-install.sh
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GitCheckUpdateAvail() {
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local directory
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local curBranch
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directory="${1}"
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curdir=$PWD
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cd "${directory}" || exit 1
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# Fetch latest changes in this repo
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if ! git fetch --quiet origin ; then
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echo -e "\\n ${COL_LIGHT_RED}Error: Unable to update local repository. Contact Pi-hole Support.${COL_NC}"
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exit 1
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fi
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# Check current branch. If it is master, then check for the latest available tag instead of latest commit.
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curBranch=$(git rev-parse --abbrev-ref HEAD)
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if [[ "${curBranch}" == "master" ]]; then
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# get the latest local tag
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LOCAL=$(git describe --abbrev=0 --tags master)
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# get the latest tag from remote
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REMOTE=$(git describe --abbrev=0 --tags origin/master)
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else
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# @ alone is a shortcut for HEAD. Older versions of git
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# need @{0}
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LOCAL="$(git rev-parse "@{0}")"
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# The suffix @{upstream} to a branchname
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# (short form <branchname>@{u}) refers
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# to the branch that the branch specified
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# by branchname is set to build on top of#
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# (configured with branch.<name>.remote and
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# branch.<name>.merge). A missing branchname
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# defaults to the current one.
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REMOTE="$(git rev-parse "@{upstream}")"
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fi
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if [[ "${#LOCAL}" == 0 ]]; then
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echo -e "\\n ${COL_LIGHT_RED}Error: Local revision could not be obtained, please contact Pi-hole Support"
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echo -e " Additional debugging output:${COL_NC}"
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git status
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exit 1
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fi
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if [[ "${#REMOTE}" == 0 ]]; then
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echo -e "\\n ${COL_LIGHT_RED}Error: Remote revision could not be obtained, please contact Pi-hole Support"
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echo -e " Additional debugging output:${COL_NC}"
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git status
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exit 1
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fi
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# Change back to original directory
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cd "${curdir}" || exit 1
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if [[ "${LOCAL}" != "${REMOTE}" ]]; then
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# Local branch is behind remote branch -> Update
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return 0
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else
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# Local branch is up-to-date or in a situation
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# where this updater cannot be used (like on a
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# branch that exists only locally)
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return 1
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fi
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}
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main() {
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local basicError="\\n ${COL_LIGHT_RED}Unable to complete update, please contact Pi-hole Support${COL_NC}"
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local core_update
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local web_update
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local FTL_update
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core_update=false
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web_update=false
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FTL_update=false
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# Install packages used by this installation script (necessary if users have removed e.g. git from their systems)
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package_manager_detect
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install_dependent_packages "${INSTALLER_DEPS[@]}"
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# This is unlikely
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if ! is_repo "${PI_HOLE_FILES_DIR}" ; then
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echo -e "\\n ${COL_LIGHT_RED}Error: Core Pi-hole repo is missing from system!"
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echo -e " Please re-run install script from https://pi-hole.net${COL_NC}"
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exit 1;
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fi
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echo -e " ${INFO} Checking for updates..."
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if GitCheckUpdateAvail "${PI_HOLE_FILES_DIR}" ; then
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core_update=true
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echo -e " ${INFO} Pi-hole Core:\\t${COL_YELLOW}update available${COL_NC}"
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else
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core_update=false
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echo -e " ${INFO} Pi-hole Core:\\t${COL_LIGHT_GREEN}up to date${COL_NC}"
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fi
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if ! is_repo "${ADMIN_INTERFACE_DIR}" ; then
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echo -e "\\n ${COL_LIGHT_RED}Error: Web Admin repo is missing from system!"
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echo -e " Please re-run install script from https://pi-hole.net${COL_NC}"
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exit 1;
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fi
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if GitCheckUpdateAvail "${ADMIN_INTERFACE_DIR}" ; then
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web_update=true
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echo -e " ${INFO} Web Interface:\\t${COL_YELLOW}update available${COL_NC}"
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else
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web_update=false
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echo -e " ${INFO} Web Interface:\\t${COL_LIGHT_GREEN}up to date${COL_NC}"
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fi
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local funcOutput
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funcOutput=$(get_binary_name) #Store output of get_binary_name here
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local binary
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binary="pihole-FTL${funcOutput##*pihole-FTL}" #binary name will be the last line of the output of get_binary_name (it always begins with pihole-FTL)
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if FTLcheckUpdate "${binary}" &>/dev/null; then
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FTL_update=true
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echo -e " ${INFO} FTL:\\t\\t${COL_YELLOW}update available${COL_NC}"
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else
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case $? in
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1)
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echo -e " ${INFO} FTL:\\t\\t${COL_LIGHT_GREEN}up to date${COL_NC}"
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;;
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2)
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echo -e " ${INFO} FTL:\\t\\t${COL_LIGHT_RED}Branch is not available.${COL_NC}\\n\\t\\t\\tUse ${COL_LIGHT_GREEN}pihole checkout ftl [branchname]${COL_NC} to switch to a valid branch."
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;;
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3)
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echo -e " ${INFO} FTL:\\t\\t${COL_LIGHT_RED}Something has gone wrong, cannot reach download server${COL_NC}"
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exit 1
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;;
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*)
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echo -e " ${INFO} FTL:\\t\\t${COL_LIGHT_RED}Something has gone wrong, contact support${COL_NC}"
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exit 1
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esac
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FTL_update=false
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fi
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# Determine FTL branch
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local ftlBranch
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if [[ -f "/etc/pihole/ftlbranch" ]]; then
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ftlBranch=$(</etc/pihole/ftlbranch)
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else
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ftlBranch="master"
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fi
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if [[ ! "${ftlBranch}" == "master" && ! "${ftlBranch}" == "development" ]]; then
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# Notify user that they are on a custom branch which might mean they they are lost
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# behind if a branch was merged to development and got abandoned
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printf " %b %bWarning:%b You are using FTL from a custom branch (%s) and might be missing future releases.\\n" "${INFO}" "${COL_LIGHT_RED}" "${COL_NC}" "${ftlBranch}"
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fi
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if [[ "${core_update}" == false && "${web_update}" == false && "${FTL_update}" == false ]]; then
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echo ""
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echo -e " ${TICK} Everything is up to date!"
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exit 0
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fi
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if [[ "${CHECK_ONLY}" == true ]]; then
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echo ""
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exit 0
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fi
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if [[ "${core_update}" == true ]]; then
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echo ""
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echo -e " ${INFO} Pi-hole core files out of date, updating local repo."
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getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
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echo -e " ${INFO} If you had made any changes in '/etc/.pihole/', they have been stashed using 'git stash'"
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fi
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if [[ "${web_update}" == true ]]; then
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echo ""
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echo -e " ${INFO} Pi-hole Web Admin files out of date, updating local repo."
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getGitFiles "${ADMIN_INTERFACE_DIR}" "${ADMIN_INTERFACE_GIT_URL}"
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echo -e " ${INFO} If you had made any changes in '/var/www/html/admin/', they have been stashed using 'git stash'"
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fi
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if [[ "${FTL_update}" == true ]]; then
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echo ""
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echo -e " ${INFO} FTL out of date, it will be updated by the installer."
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fi
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if [[ "${FTL_update}" == true || "${core_update}" == true ]]; then
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${PI_HOLE_FILES_DIR}/automated\ install/basic-install.sh --reconfigure --unattended || \
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echo -e "${basicError}" && exit 1
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fi
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if [[ "${FTL_update}" == true || "${core_update}" == true || "${web_update}" == true ]]; then
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# Update local and remote versions via updatechecker
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/opt/pihole/updatecheck.sh
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echo -e " ${INFO} Local version file information updated."
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fi
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# if there was only a web update, show the new versions
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# (on core and FTL updates, this is done as part of the installer run)
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if [[ "${web_update}" == true && "${FTL_update}" == false && "${core_update}" == false ]]; then
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"${PI_HOLE_BIN_DIR}"/pihole version
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fi
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echo ""
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exit 0
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}
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if [[ "$1" == "--check-only" ]]; then
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CHECK_ONLY=true
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fi
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main
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