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pi-hole/advanced/Scripts/update.sh
Adam Warner 707e21b927
:dominik: Detect binary name before calling FTLcheckUpdate in update.sh
Signed-off-by: Adam Warner <me@adamwarner.co.uk>
2020-02-24 12:10:36 +00:00

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7.5 KiB
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#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware.
#
# Check Pi-hole core and admin pages versions and determine what
# upgrade (if any) is required. Automatically updates and reinstalls
# application if update is detected.
#
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
# Variables
readonly ADMIN_INTERFACE_GIT_URL="https://github.com/pi-hole/AdminLTE.git"
readonly ADMIN_INTERFACE_DIR="/var/www/html/admin"
readonly PI_HOLE_GIT_URL="https://github.com/pi-hole/pi-hole.git"
readonly PI_HOLE_FILES_DIR="/etc/.pihole"
# shellcheck disable=SC2034
PH_TEST=true
# when --check-only is passed to this script, it will not perform the actual update
CHECK_ONLY=false
# shellcheck disable=SC1090
source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
# shellcheck disable=SC1091
source "/opt/pihole/COL_TABLE"
# is_repo() sourced from basic-install.sh
# make_repo() sourced from basic-install.sh
# update_repo() source from basic-install.sh
# getGitFiles() sourced from basic-install.sh
# FTLcheckUpdate() sourced from basic-install.sh
GitCheckUpdateAvail() {
local directory
directory="${1}"
curdir=$PWD
cd "${directory}" || return
# Fetch latest changes in this repo
git fetch --quiet origin
# @ alone is a shortcut for HEAD. Older versions of git
# need @{0}
LOCAL="$(git rev-parse "@{0}")"
# The suffix @{upstream} to a branchname
# (short form <branchname>@{u}) refers
# to the branch that the branch specified
# by branchname is set to build on top of#
# (configured with branch.<name>.remote and
# branch.<name>.merge). A missing branchname
# defaults to the current one.
REMOTE="$(git rev-parse "@{upstream}")"
if [[ "${#LOCAL}" == 0 ]]; then
echo -e "\\n ${COL_LIGHT_RED}Error: Local revision could not be obtained, please contact Pi-hole Support"
echo -e " Additional debugging output:${COL_NC}"
git status
exit
fi
if [[ "${#REMOTE}" == 0 ]]; then
echo -e "\\n ${COL_LIGHT_RED}Error: Remote revision could not be obtained, please contact Pi-hole Support"
echo -e " Additional debugging output:${COL_NC}"
git status
exit
fi
# Change back to original directory
cd "${curdir}" || exit
if [[ "${LOCAL}" != "${REMOTE}" ]]; then
# Local branch is behind remote branch -> Update
return 0
else
# Local branch is up-to-date or in a situation
# where this updater cannot be used (like on a
# branch that exists only locally)
return 1
fi
}
main() {
local basicError="\\n ${COL_LIGHT_RED}Unable to complete update, please contact Pi-hole Support${COL_NC}"
local core_update
local web_update
local FTL_update
core_update=false
web_update=false
FTL_update=false
# shellcheck disable=1090,2154
source "${setupVars}"
# This is unlikely
if ! is_repo "${PI_HOLE_FILES_DIR}" ; then
echo -e "\\n ${COL_LIGHT_RED}Error: Core Pi-hole repo is missing from system!"
echo -e " Please re-run install script from https://pi-hole.net${COL_NC}"
exit 1;
fi
echo -e " ${INFO} Checking for updates..."
if GitCheckUpdateAvail "${PI_HOLE_FILES_DIR}" ; then
core_update=true
echo -e " ${INFO} Pi-hole Core:\\t${COL_YELLOW}update available${COL_NC}"
else
core_update=false
echo -e " ${INFO} Pi-hole Core:\\t${COL_LIGHT_GREEN}up to date${COL_NC}"
fi
if [[ "${INSTALL_WEB_INTERFACE}" == true ]]; then
if ! is_repo "${ADMIN_INTERFACE_DIR}" ; then
echo -e "\\n ${COL_LIGHT_RED}Error: Web Admin repo is missing from system!"
echo -e " Please re-run install script from https://pi-hole.net${COL_NC}"
exit 1;
fi
if GitCheckUpdateAvail "${ADMIN_INTERFACE_DIR}" ; then
web_update=true
echo -e " ${INFO} Web Interface:\\t${COL_YELLOW}update available${COL_NC}"
else
web_update=false
echo -e " ${INFO} Web Interface:\\t${COL_LIGHT_GREEN}up to date${COL_NC}"
fi
fi
local funcOutput
funcOutput=$(get_binary_name) #Store output of get_binary_name here
local binary
binary="pihole-FTL${funcOutput##*pihole-FTL}" #binary name will be the last line of the output of get_binary_name (it always begins with pihole-FTL)
if FTLcheckUpdate "${binary}" > /dev/null; then
FTL_update=true
echo -e " ${INFO} FTL:\\t\\t${COL_YELLOW}update available${COL_NC}"
else
case $? in
1)
echo -e " ${INFO} FTL:\\t\\t${COL_LIGHT_GREEN}up to date${COL_NC}"
;;
2)
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."
;;
*)
echo -e " ${INFO} FTL:\\t\\t${COL_LIGHT_RED}Something has gone wrong, contact support${COL_NC}"
esac
FTL_update=false
fi
# Determine FTL branch
local ftlBranch
if [[ -f "/etc/pihole/ftlbranch" ]]; then
ftlBranch=$(</etc/pihole/ftlbranch)
else
ftlBranch="master"
fi
if [[ ! "${ftlBranch}" == "master" && ! "${ftlBranch}" == "development" ]]; then
# Notify user that they are on a custom branch which might mean they they are lost
# behind if a branch was merged to development and got abandoned
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}"
fi
if [[ "${core_update}" == false && "${web_update}" == false && "${FTL_update}" == false ]]; then
echo ""
echo -e " ${TICK} Everything is up to date!"
exit 0
fi
if [[ "${CHECK_ONLY}" == true ]]; then
echo ""
exit 0
fi
if [[ "${core_update}" == true ]]; then
echo ""
echo -e " ${INFO} Pi-hole core files out of date, updating local repo."
getGitFiles "${PI_HOLE_FILES_DIR}" "${PI_HOLE_GIT_URL}"
echo -e " ${INFO} If you had made any changes in '/etc/.pihole/', they have been stashed using 'git stash'"
fi
if [[ "${web_update}" == true ]]; then
echo ""
echo -e " ${INFO} Pi-hole Web Admin files out of date, updating local repo."
getGitFiles "${ADMIN_INTERFACE_DIR}" "${ADMIN_INTERFACE_GIT_URL}"
echo -e " ${INFO} If you had made any changes in '/var/www/html/admin/', they have been stashed using 'git stash'"
fi
if [[ "${FTL_update}" == true ]]; then
echo ""
echo -e " ${INFO} FTL out of date, it will be updated by the installer."
fi
if [[ "${FTL_update}" == true || "${core_update}" == true ]]; then
${PI_HOLE_FILES_DIR}/automated\ install/basic-install.sh --reconfigure --unattended || \
echo -e "${basicError}" && exit 1
fi
if [[ "${FTL_update}" == true || "${core_update}" == true || "${web_update}" == true ]]; then
# Force an update of the updatechecker
/opt/pihole/updatecheck.sh
/opt/pihole/updatecheck.sh x remote
echo -e " ${INFO} Local version file information updated."
fi
echo ""
exit 0
}
if [[ "$1" == "--check-only" ]]; then
CHECK_ONLY=true
fi
main