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pi-hole/advanced/Scripts/piholeCheckout.sh
Dan Schaper b0ae954f1e
Only update when update flag is set to "true"
Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>
2017-03-11 12:37:36 -08:00

203 lines
6.3 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.
#
# Checkout other branches than master
#
# 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"
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}"
cd "${directory}" || return 1
# Get reachable remote branches
git remote show origin | grep 'tracked' | sed 's/tracked//;s/ //g'
return
}
fetch_checkout_pull_branch() {
# Check out specified branch
local directory="${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 "${branch}" || return 1
git fetch --quiet || return 1
checkout_pull_branch "${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}" || return 1
if [ "$(git diff "${oldbranch}" | grep -c "^")" -gt "0" ]; then
update="true"
fi
git pull || return 1
return 0
}
warning1() {
echo "::: Note that changing the branch is a severe change of your Pi-hole system."
echo "::: This is not supported unless one of the developers explicitly asks you to do this!"
read -r -p "::: Have you read and understood this? [y/N] " response
case ${response} in
[yY][eE][sS]|[yY])
echo "::: Continuing."
return 0
;;
*)
echo "::: Aborting."
return 1
;;
esac
}
checkout()
{
local corebranches
local webbranches
# Avoid globbing
set -f
#This is unlikely
if ! is_repo "${PI_HOLE_FILES_DIR}" ; then
echo "::: Critical Error: Core Pi-Hole repo is missing from system!"
echo "::: Please re-run install script from https://github.com/pi-hole/pi-hole"
exit 1;
fi
if [[ ${INSTALL_WEB} == "true" ]]; then
if ! is_repo "${webInterfaceDir}" ; then
echo "::: Critical Error: Web Admin repo is missing from system!"
echo "::: Please re-run install script from https://github.com/pi-hole/pi-hole"
exit 1;
fi
fi
if [[ -z "${1}" ]]; then
echo "::: No option detected. Please use 'pihole checkout <master|dev>'."
echo "::: Or enter the repository and branch you would like to check out:"
echo "::: 'pihole checkout <web|core> <branchname>'"
exit 1
fi
if ! warning1 ; then
exit 1
fi
if [[ "${1}" == "dev" ]] ; then
# Shortcut to check out development branches
echo "::: Shortcut \"dev\" detected - checking out development / devel branches ..."
echo "::: Pi-hole core"
fetch_checkout_pull_branch "${PI_HOLE_FILES_DIR}" "development" || { echo "Unable to pull Core developement branch"; exit 1; }
if [[ ${INSTALL_WEB} == "true" ]]; then
echo "::: Web interface"
fetch_checkout_pull_branch "${webInterfaceDir}" "devel" || { echo "Unable to pull Web development branch"; exit 1; }
fi
echo "::: done!"
elif [[ "${1}" == "master" ]] ; then
# Shortcut to check out master branches
echo "::: Shortcut \"master\" detected - checking out master branches ..."
echo "::: Pi-hole core"
fetch_checkout_pull_branch "${PI_HOLE_FILES_DIR}" "master" || { echo "Unable to pull Core master branch"; exit 1; }
if [[ ${INSTALL_WEB} == "true" ]]; then
echo "::: Web interface"
fetch_checkout_pull_branch "${webInterfaceDir}" "master" || { echo "Unable to pull web master branch"; exit 1; }
fi
echo "::: done!"
elif [[ "${1}" == "core" ]] ; then
echo -n "::: Fetching remote branches for Pi-hole core from ${piholeGitUrl} ... "
if ! fully_fetch_repo "${PI_HOLE_FILES_DIR}" ; then
echo "::: Fetching all branches for Pi-hole core repo failed!"
exit 1
fi
corebranches=($(get_available_branches "${PI_HOLE_FILES_DIR}"))
echo " done!"
echo "::: ${#corebranches[@]} branches available"
echo ":::"
# Have to user chosing the branch he wants
if ! (for e in "${corebranches[@]}"; do [[ "$e" == "${2}" ]] && exit 0; done); then
echo "::: Requested branch \"${2}\" is not available!"
echo "::: Available branches for core are:"
for e in "${corebranches[@]}"; do echo "::: $e"; done
exit 1
fi
checkout_pull_branch "${PI_HOLE_FILES_DIR}" "${2}"
elif [[ "${1}" == "web" && "${INSTALL_WEB}" == "true" ]] ; then
echo -n "::: Fetching remote branches for the web interface from ${webInterfaceGitUrl} ... "
if ! fully_fetch_repo "${webInterfaceDir}" ; then
echo "::: Fetching all branches for Pi-hole web interface repo failed!"
exit 1
fi
webbranches=($(get_available_branches "${webInterfaceDir}"))
echo " done!"
echo "::: ${#webbranches[@]} branches available"
echo ":::"
# Have to user chosing the branch he wants
if ! (for e in "${webbranches[@]}"; do [[ "$e" == "${2}" ]] && exit 0; done); then
echo "::: Requested branch \"${2}\" is not available!"
echo "::: Available branches for web are:"
for e in "${webbranches[@]}"; do echo "::: $e"; done
exit 1
fi
checkout_pull_branch "${webInterfaceDir}" "${2}"
else
echo "::: Requested option \"${1}\" is not available!"
exit 1
fi
# Force updating everything
if [[ ! "${1}" == "web" && "${update}" == "true" ]]; then
echo "::: Running installer to upgrade your installation"
if "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh" --unattended; then
exit 0
else
echo "Unable to complete update, contact Pi-hole"
exit 1
fi
fi
}