mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-12-05 04:23:18 +00:00
166 lines
6.1 KiB
Bash
166 lines
6.1 KiB
Bash
#!/usr/bin/env bash
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# Pi-hole: A black hole for Internet advertisements
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# (c) 2015, 2016 by Jacob Salmela
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# Network-wide ad blocking via your Raspberry Pi
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# http://pi-hole.net
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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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# Pi-hole is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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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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is_repo() {
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# Use git to check if directory is currently under VCS, return the value
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local directory="${1}"
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git -C "${directory}" status --short &> /dev/null
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return
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}
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prep_repo() {
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# Prepare directory for local repository building
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local directory="${1}"
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rm -rf "${directory}" &> /dev/null
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return
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}
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make_repo() {
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# Remove the non-repod interface and clone the interface
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local remoteRepo="${2}"
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local directory="${1}"
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(prep_repo "${directory}" && git clone -q --depth 1 "${remoteRepo}" "${directory}" > /dev/null)
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return
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}
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update_repo() {
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local directory="${1}"
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local retVal=0
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# Pull the latest commits
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# Stash all files not tracked for later retrieval
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git -C "${directory}" stash --all --quiet &> /dev/null || ${retVal}=1
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# Force a clean working directory for cloning
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git -C "${directory}" clean --force -d &> /dev/null || ${retVal}=1
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# Fetch latest changes and apply
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git -C "${directory}" pull --quiet &> /dev/null || ${retVal}=1
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return ${retVal}
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}
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getGitFiles() {
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# Setup git repos for directory and repository passed
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# as arguments 1 and 2
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local directory="${1}"
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local remoteRepo="${2}"
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echo ":::"
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echo "::: Checking for existing repository..."
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if is_repo "${directory}"; then
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echo -n "::: Updating repository in ${directory}..."
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update_repo "${directory}" || (echo "*** Error: Could not update local repository. Contact support."; exit 1)
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echo " done!"
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else
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echo -n "::: Cloning ${remoteRepo} into ${directory}..."
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make_repo "${directory}" "${remoteRepo}" || (echo "Unable to clone repository, please contact support"; exit 1)
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echo " done!"
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fi
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}
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main() {
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local pihole_version_current
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local pihole_version_latest
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local web_version_current
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local web_version_latest
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if ! is_repo "${PI_HOLE_FILES_DIR}" || ! is_repo "${ADMIN_INTERFACE_DIR}" ; then #This is unlikely
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echo "::: Critical Error: One or more Pi-Hole repos are missing from system!"
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echo "::: Please re-run install script from https://github.com/pi-hole/pi-hole"
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exit 1;
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fi
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echo "::: Checking for updates..."
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# Checks Pi-hole version string in format vX.X.X
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pihole_version_current="$(/usr/local/bin/pihole version --pihole --current)"
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pihole_version_latest="$(/usr/local/bin/pihole version --pihole --latest)"
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web_version_current="$(/usr/local/bin/pihole version --admin --current)"
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web_version_latest="$(/usr/local/bin/pihole version --admin --latest)"
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if [[ "${pihole_version_latest}" == "-1" || "${web_version_latest}" == "-1" ]]; then
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echo "*** Unable to contact GitHub for latest version. Please try again later, contact support if this continues."
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exit 1
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fi
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# Logic
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# If latest versions are blank - we've probably hit Github rate limit (stop running `pihole -up so often!):
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# Update anyway
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# If Core up to date AND web up to date:
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# Do nothing
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# If Core up to date AND web NOT up to date:
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# Pull web repo
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# If Core NOT up to date AND web up to date:
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# pull pihole repo, run install --unattended -- reconfigure
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# if Core NOT up to date AND web NOT up to date:
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# pull pihole repo run install --unattended
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if [[ "${pihole_version_current}" == "${pihole_version_latest}" ]] && [[ "${web_version_current}" == "${web_version_latest}" ]]; then
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echo ":::"
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echo "::: Pi-hole version is $pihole_version_current"
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echo "::: Web Admin version is $web_version_current"
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echo ":::"
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echo "::: Everything is up to date!"
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exit 0
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elif [[ "${pihole_version_current}" == "${pihole_version_latest}" ]] && [[ "${web_version_current}" < "${web_version_latest}" ]]; then
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echo ":::"
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echo "::: Pi-hole Web Admin files out of date"
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getGitFiles "${ADMIN_INTERFACE_DIR}" "${ADMIN_INTERFACE_GIT_URL}"
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web_updated=true
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elif [[ "${pihole_version_current}" < "${pihole_version_latest}" ]] && [[ "${web_version_current}" == "${web_version_latest}" ]]; then
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echo "::: Pi-hole core files out of date"
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getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
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/etc/.pihole/automated_install/basic-install.sh --reconfigure --unattended || echo "Unable to complete update, contact Pi-hole" && exit 1
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core_updated=true
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elif [[ "${pihole_version_current}" < "${pihole_version_latest}" ]] && [[ "${web_version_current}" < "${web_version_latest}" ]]; then
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echo "::: Updating Everything"
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getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
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/etc/.pihole/automated_install/basic-install.sh --unattended || echo "Unable to complete update, contact Pi-hole" && exit 1
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web_updated=true
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core_updated=true
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else
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echo "*** Update script has malfunctioned, fallthrough reached. Please contact support"
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exit 1
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fi
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if [[ "${web_updated}" == 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 ${web_version_current}"
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echo "::: If you had made any changes in '/var/www/html/admin/', they have been stashed using 'git stash'"
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fi
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if [[ "${core_updated}" == 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}"
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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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echo ""
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exit 0
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}
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main
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