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pi-hole/advanced/Scripts/piholeCheckout.sh
2017-07-01 22:08:17 +10:00

236 lines
7.3 KiB
Bash

#!/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.
#
# Switch Pi-hole subsystems to a different Github branch.
#
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
readonly PI_HOLE_FILES_DIR="/etc/.pihole"
PH_TEST="true"
source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
# webInterfaceGitUrl set in basic-install.sh
# webInterfaceDir set in basic-install.sh
# piholeGitURL set in basic-install.sh
# is_repo() sourced from basic-install.sh
# setupVars set in basic-install.sh
source "${setupVars}"
update="false"
coltable="/opt/pihole/COL_TABLE"
source ${coltable}
fully_fetch_repo() {
# Add upstream branches to shallow clone
local directory="${1}"
cd "${directory}" || return 1
if is_repo "${directory}"; then
git remote set-branches origin '*' || return 1
git fetch --quiet || return 1
else
return 1
fi
return 0
}
get_available_branches() {
# Return available branches
local directory="${1}"
local output
cd "${directory}" || return 1
# Get reachable remote branches, but store STDERR as STDOUT variable
output=$( { git remote show origin | grep 'tracked' | sed 's/tracked//;s/ //g'; } 2>&1 )
echo "$output"
return
}
fetch_checkout_pull_branch() {
# Check out specified branch
local directory="${1}"
local branch="${2}"
# Set the reference for the requested branch, fetch, check it put and pull it
cd "${directory}"
git remote set-branches origin "${branch}" || return 1
git stash --all --quiet &> /dev/null || true
git clean --quiet --force -d || true
git fetch --quiet || return 1
checkout_pull_branch "${directory}" "${branch}" || return 1
}
checkout_pull_branch() {
# Check out specified branch
local directory="${1}"
local branch="${2}"
local oldbranch
cd "${directory}" || return 1
oldbranch="$(git symbolic-ref HEAD)"
git checkout "${branch}" --quiet || return 1
if [[ "$(git diff "${oldbranch}" | grep -c "^")" -gt "0" ]]; then
update="true"
fi
git_pull=$(git pull || return 1)
if [[ "$git_pull" == *"up-to-date"* ]]; then
echo -e " ${INFO} $(git pull)"
else
echo -e "$git_pull\n"
fi
return 0
}
warning1() {
echo " Please note that changing branches severely alters your Pi-hole subsystems"
echo " Features that work on the master branch, may not on a development branch"
echo -e " ${COL_LIGHT_RED}This feature is NOT supported unless a Pi-hole developer explicitly asks!${COL_NC}"
read -r -p " Have you read and understood this? [y/N] " response
case ${response} in
[yY][eE][sS]|[yY])
echo ""
return 0
;;
*)
echo -e "\n ${INFO} Branch change has been cancelled"
return 1
;;
esac
}
checkout() {
local corebranches
local webbranches
# Avoid globbing
set -f
# This is unlikely
if ! is_repo "${PI_HOLE_FILES_DIR}" ; then
echo -e " ${COL_LIGHT_RED}Error: Core Pi-hole repo is missing from system!
Please re-run install script from https://github.com/pi-hole/pi-hole${COL_NC}"
exit 1;
fi
if [[ ${INSTALL_WEB} == "true" ]]; then
if ! is_repo "${webInterfaceDir}" ; then
echo -e " ${COL_LIGHT_RED}Error: Web Admin repo is missing from system!
Please re-run install script from https://github.com/pi-hole/pi-hole${COL_NC}"
exit 1;
fi
fi
if [[ -z "${1}" ]]; then
echo -e " ${COL_LIGHT_RED}Invalid option${COL_NC}
Try 'pihole checkout --help' for more information."
exit 1
fi
if ! warning1 ; then
exit 1
fi
if [[ "${1}" == "dev" ]] ; then
# Shortcut to check out development branches
echo -e " ${INFO} Shortcut \"dev\" detected - checking out development / devel branches..."
echo ""
echo -e " ${INFO} Pi-hole Core"
fetch_checkout_pull_branch "${PI_HOLE_FILES_DIR}" "development" || { echo " ${CROSS} Unable to pull Core developement branch"; exit 1; }
if [[ ${INSTALL_WEB} == "true" ]]; then
echo ""
echo -e " ${INFO} Web interface"
fetch_checkout_pull_branch "${webInterfaceDir}" "devel" || { echo " ${CROSS} Unable to pull Web development branch"; exit 1; }
fi
#echo -e " ${TICK} Pi-hole Core"
elif [[ "${1}" == "master" ]] ; then
# Shortcut to check out master branches
echo -e " ${INFO} Shortcut \"master\" detected - checking out master branches..."
echo -e " ${INFO} Pi-hole core"
fetch_checkout_pull_branch "${PI_HOLE_FILES_DIR}" "master" || { echo " ${CROSS} Unable to pull Core master branch"; exit 1; }
if [[ ${INSTALL_WEB} == "true" ]]; then
echo -e " ${INFO} Web interface"
fetch_checkout_pull_branch "${webInterfaceDir}" "master" || { echo " ${CROSS} Unable to pull Web master branch"; exit 1; }
fi
#echo -e " ${TICK} Web Interface"
elif [[ "${1}" == "core" ]] ; then
str="Fetching branches from ${piholeGitUrl}"
echo -ne " ${INFO} $str"
if ! fully_fetch_repo "${PI_HOLE_FILES_DIR}" ; then
echo -e " ${CROSS} $str"
exit 1
fi
corebranches=($(get_available_branches "${PI_HOLE_FILES_DIR}"))
if [[ "${corebranches[@]}" == *"master"* ]]; then
echo -e "${OVER} ${TICK} $str
${INFO} ${#corebranches[@]} branches available for Pi-hole Core"
else
# Print STDERR output from get_available_branches
echo -e "${OVER} ${CROSS} $str\n\n${corebranches[*]}"
exit 1
fi
echo ""
# Have the user choose the branch they want
if ! (for e in "${corebranches[@]}"; do [[ "$e" == "${2}" ]] && exit 0; done); then
echo -e " ${INFO} Requested branch \"${2}\" is not available"
echo -e " ${INFO} Available branches for Core are:"
for e in "${corebranches[@]}"; do echo " - $e"; done
exit 1
fi
checkout_pull_branch "${PI_HOLE_FILES_DIR}" "${2}"
elif [[ "${1}" == "web" ]] && [[ "${INSTALL_WEB}" == "true" ]] ; then
str="Fetching branches from ${webInterfaceGitUrl}"
echo -ne " ${INFO} $str"
if ! fully_fetch_repo "${webInterfaceDir}" ; then
echo -e " ${CROSS} $str"
exit 1
fi
webbranches=($(get_available_branches "${webInterfaceDir}"))
if [[ "${corebranches[@]}" == *"master"* ]]; then
echo -e "${OVER} ${TICK} $str
${INFO} ${#webbranches[@]} branches available for Web Admin"
else
# Print STDERR output from get_available_branches
echo -e "${OVER} ${CROSS} $str\n\n${corebranches[*]}"
exit 1
fi
echo ""
# Have the user choose the branch they want
if ! (for e in "${webbranches[@]}"; do [[ "$e" == "${2}" ]] && exit 0; done); then
echo -e " ${INFO} Requested branch \"${2}\" is not available"
echo -e " ${INFO} Available branches for Web Admin are:"
for e in "${webbranches[@]}"; do echo " - $e"; done
exit 1
fi
checkout_pull_branch "${webInterfaceDir}" "${2}"
else
echo -e " ${INFO} Requested option \"${1}\" is not available"
exit 1
fi
# Force updating everything
if [[ ! "${1}" == "web" && "${update}" == "true" ]]; then
echo -e " ${INFO} Running installer to upgrade your installation"
if "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh" --unattended; then
exit 0
else
echo -e " ${COL_LIGHT_RED} Error: Unable to complete update, please contact support${COL_NC}"
exit 1
fi
fi
}