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226 lines
6.9 KiB
226 lines
6.9 KiB
#!/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/AdminLTE.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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PH_TEST=true
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source ${PI_HOLE_FILES_DIR}/automated\ install/basic-install.sh
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# is_repo() sourced from basic-install.sh
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# make_repo() sourced from basic-install.sh
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# update_repo() source from basic-install.sh
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# getGitFiles() sourced from basic-install.sh
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GitCheckUpdateAvail() {
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local directory="${1}"
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curdir=$PWD
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cd "${directory}"
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# Fetch latest changes in this repo
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git fetch --quiet origin
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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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if [[ ${#LOCAL} == 0 ]]; then
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echo "::: Error: Local revision could not be obtained, ask Pi-hole support."
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echo "::: Additional debugging output:"
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git status
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exit
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fi
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if [[ ${#REMOTE} == 0 ]]; then
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echo "::: Error: Remote revision could not be obtained, ask Pi-hole support."
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echo "::: Additional debugging output:"
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git status
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exit
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fi
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# Change back to original directory
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cd "${curdir}"
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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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FTLcheckUpdate() {
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local FTLversion=$(/usr/bin/pihole-FTL tag)
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local FTLlatesttag=$(curl -sI https://github.com/pi-hole/FTL/releases/latest | grep 'Location' | awk -F '/' '{print $NF}' | tr -d '\r\n')
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if [[ "${FTLversion}" != "${FTLlatesttag}" ]]; then
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return 0
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else
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return 1
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fi
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}
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main() {
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local pihole_version_current
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local web_version_current
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source "${setupVars}"
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#This is unlikely
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if ! is_repo "${PI_HOLE_FILES_DIR}" ; then
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echo "::: Critical Error: Core Pi-hole repo is missing from system!"
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echo "::: Please re-run install script from https://github.com/pi-hole/pi-hole"
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exit 1;
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fi
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echo "::: Checking for updates..."
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if GitCheckUpdateAvail "${PI_HOLE_FILES_DIR}" ; then
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core_update=true
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echo "::: Pi-hole Core: update available"
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else
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core_update=false
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echo "::: Pi-hole Core: up to date"
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fi
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if FTLcheckUpdate ; then
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FTL_update=true
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echo "::: FTL: update available"
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else
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FTL_update=false
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echo "::: FTL: up to date"
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fi
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# Logic: Don't update FTL when there is a core update available
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# since the core update will run the installer which will itself
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# re-install (i.e. update) FTL
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if ${FTL_update} && ! ${core_update}; then
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echo ":::"
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echo "::: FTL out of date"
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FTLdetect
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echo ":::"
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fi
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if [[ ${INSTALL_WEB} == true ]]; then
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if ! is_repo "${ADMIN_INTERFACE_DIR}" ; then
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echo "::: Critical Error: Web Admin repo is missing from system!"
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echo "::: Please re-run install script from https://github.com/pi-hole/pi-hole"
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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 "::: Web Interface: update available"
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else
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web_update=false
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echo "::: Web Interface: up to date"
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fi
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# Logic
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# If Core up to date AND web up to date:
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# Do nothing
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# If Core up to date AND web NOT up to date:
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# Pull web repo
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# If Core NOT up to date AND web up to date:
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# pull pihole repo, run install --unattended -- reconfigure
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# if Core NOT up to date AND web NOT up to date:
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# pull pihole repo run install --unattended
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if ! ${core_update} && ! ${web_update} ; then
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if ! ${FTL_update} ; then
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echo ":::"
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echo "::: Everything is up to date!"
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exit 0
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fi
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elif ! ${core_update} && ${web_update} ; then
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echo ":::"
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echo "::: Pi-hole Web Admin files out of date"
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getGitFiles "${ADMIN_INTERFACE_DIR}" "${ADMIN_INTERFACE_GIT_URL}"
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elif ${core_update} && ! ${web_update} ; then
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echo ":::"
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echo "::: Pi-hole core files out of date"
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getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
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${PI_HOLE_FILES_DIR}/automated\ install/basic-install.sh --reconfigure --unattended || echo "Unable to complete update, contact Pi-hole" && exit 1
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elif ${core_update} && ${web_update} ; then
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echo ":::"
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echo "::: Updating Pi-hole core and web admin files"
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getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
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${PI_HOLE_FILES_DIR}/automated\ install/basic-install.sh --unattended || echo "Unable to complete update, contact Pi-hole" && exit 1
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else
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echo "*** Update script has malfunctioned, fallthrough reached. Please contact support"
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exit 1
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fi
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else # Web Admin not installed, so only verify if core is up to date
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if ! ${core_update}; then
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if ! ${FTL_update} ; then
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echo ":::"
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echo "::: Everything is up to date!"
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exit 0
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fi
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else
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echo ":::"
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echo "::: Pi-hole core files out of date"
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getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
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${PI_HOLE_FILES_DIR}/automated\ install/basic-install.sh --reconfigure --unattended || echo "Unable to complete update, contact Pi-hole" && exit 1
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fi
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fi
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if [[ "${web_update}" == true ]]; then
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web_version_current="$(/usr/local/bin/pihole version --admin --current)"
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echo ":::"
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echo "::: Web Admin version is now at ${web_version_current/* v/v}}"
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echo "::: If you had made any changes in '/var/www/html/admin/', they have been stashed using 'git stash'"
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fi
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if [[ "${core_update}" == true ]]; then
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pihole_version_current="$(/usr/local/bin/pihole version --pihole --current)"
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echo ":::"
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echo "::: Pi-hole version is now at ${pihole_version_current/* v/v}}"
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echo "::: 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 [[ ${FTL_update} == true ]]; then
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FTL_version_current="$(/usr/local/bin/pihole version --ftl --current)"
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echo ":::"
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echo "::: FTL version is now at ${FTL_version_current/* v/v}}"
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start_service pihole-FTL
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enable_service pihole-FTL
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fi
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echo ""
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exit 0
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}
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main
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