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#!/bin/bash
set -e
# CONSTANTS AND VARIABLES
# constants filled by PKGBUILD
_TA_PKGNAME_='@PACKAGE_NAME@'
_TA_VERSION_='@PACKAGE_VERSION@'
_TA_RELEASE_='@PACKAGE_RELEASE@'
_TA_ARCH_='@PACKAGE_ARCH@'
_TA_HOME_DIR_=~/".local/opt/${_TA_PKGNAME_}"
_TA_AUR_="https://aur.archlinux.org/cgit/aur.git/snapshot/${_TA_PKGNAME_}.tar.gz"
# variables
_TA_REFRESH_=0
# FUNCTIONS
# syntax: _inform_ "${TITLE}" "${MESSAGE}"
_inform_() {
if which zenity 2>/dev/null; then
zenity --info --ellipsize --title "${1}" --text "${2}"
elif which kdialog 2>/dev/null; then
kdialog --title "${1}" --passivepopup "${2}"
elif which notify-send 2>/dev/null; then
notify-send --app-name="${_TA_PKGNAME_}" \
--icon="${_TA_PKGNAME_}" "${1}" "${2}"
else
echo -e "${0}: [${1}] ${2}" >&2
fi
}
# syntax: _notify_ "${TITLE}" "${MESSAGE}"
_notify_() {
which notify-send 2>/dev/null && notify-send \
--app-name="${_TA_PKGNAME_}" --icon="${_TA_PKGNAME_}" "${1}" \
"${2}" || echo -e "${0}: [${1}] ${2}" >&2
}
# syntax: _compare_ver_ "${INSTALLED_VERSION}" "${LATEST_VERSION}"
_compare_ver_() {
[[ "${1}" != "${2}" ]] || return 1
[[ "${1}" == "`echo -e "${1}\n${2}" | sort -V | head -n1`" ]]
}
_refresh_local_() {
local CACHE_DIR=~/".cache"
local KEEP_DIR="${_TA_APP_DIR_}/Browser/TorBrowser/Data/Browser"
local KEPT_DIR="${CACHE_DIR}/tor-browser-tmpdata"
local DIR_IS_KEPT=0
if [[ -d "${KEEP_DIR}" ]]; then
[[ -d "${KEPT_DIR}" ]] && rm -rf "${KEPT_DIR}" || mkdir -p "${CACHE_DIR}"
mv "${KEEP_DIR}" "${KEPT_DIR}"
echo "${0}: Preserving files in ${KEPT_DIR}/." >> "${_TA_LOG_FILE_}"
DIR_IS_KEPT=1
fi
echo "${0}: Extracting files to ${_TA_APP_DIR_}." >> "${_TA_LOG_FILE_}"
rm -rf "${_TA_APP_DIR_}"/*
tar -xJf "/opt/${_TA_PKGNAME_}/tor-browser-${_TA_ARCH_}-${_TA_VERSION_}.tar.xz" \
--strip-components=1 -C "${_TA_APP_DIR_}" >> \
"${_TA_LOG_FILE_}" 2>&1 && _notify_ 'Tor Browser Alpha' \
'A new version of Tor Browser has been installed' || \
_inform_ 'Error' \
"The tor-browser-alpha archive could not be extracted to your home directory. \
\nCheck the permissions of ${_TA_APP_DIR_}. \
\nThe error log can be found in ${_TA_LOG_FILE_}."
if [[ ! ${DIR_IS_KEPT} -eq 0 ]]; then
rm -rf "${KEEP_DIR}"
mv "${KEPT_DIR}" "${KEEP_DIR}"
fi
[[ ! -f "${_TB_APP_DIR_}/Browser/start-tor-browser" ]] || \
echo "${_TA_VERSION_}" > "${_TA_VER_FILE_}"
}
_aur_update_() {
if [[ "$(id -u)" == '0' ]]; then
echo 'It is not a good idea to do this as root. Abort.' 1>&2
exit 1
fi
local DO_UPDATE=0
local TMP_PKGBUILD="$(mktemp -d)"
cd "${TMP_PKGBUILD}"
if ! { curl --silent --fail "${_TA_AUR_}" | tar xz ;} 2>/dev/null; then
echo 'Unable to retrieve the PKGBUILD. Abort.' 1>&2
rm -rf "${TMP_PKGBUILD}"
exit 1
fi
cd "${TMP_PKGBUILD}/${_TA_PKGNAME_}"
local AUR_VERSION="$(grep 'pkgver' '.SRCINFO' | cut -d = -f2 | sed -e 's/^[[:space:]]*//')"
local AUR_RELEASE="$(grep 'pkgrel' '.SRCINFO' | cut -d = -f2 | sed -e 's/^[[:space:]]*//')"
if _compare_ver_ "${_TA_VERSION_}" "${AUR_VERSION}"; then
echo "Found new version (${_TA_VERSION_} -> ${AUR_VERSION})..."
DO_UPDATE=1
elif [[ "${_TA_VERSION_}" == "${AUR_VERSION}" ]] && \
[[ "${_TA_RELEASE_}" != "${AUR_RELEASE}" ]] && \
[[ "${_TA_RELEASE_}" == "`echo -e "${_TA_RELEASE_}\n${AUR_RELEASE}" | sort | head -n1`" ]]; then
echo 'Found new PKGBUILD...'
DO_UPDATE=1
else
echo "Everything is up to date (current version: ${_TA_VERSION_})."
fi
[[ ${DO_UPDATE} -eq 0 ]] || makepkg -si
rm -rf "${TMP_PKGBUILD}"
}
_usage_() {
cat <<EOF
Usage: ${0##*/} [option]
Options:
-h|--help Show this help message and exit
-u|--update Search in AUR for a new release and install it
-r|--refresh Refresh the copy in your home directory and launch tor-browser
-e|--erase Erase the copy in your home directory
--dir=<directory> The Tor-Browser Alpha directory to use
All unrecognized arguments will be passed to the browser.
EOF
}
# SCRIPT BODY
args=()
for arg; do
case "${arg}" in
-h|--help) _usage_; exit 0 ;;
-u|--update) _aur_update_; exit 0 ;;
-f|--refresh) _TA_REFRESH_=1 ;;
-e|--erase) rm -rf "${_TA_HOME_DIR_}"; exit 0 ;;
--dir=*) _TA_HOME_DIR_="${arg#*=}" ;;
*) args+=("$arg") ;;
esac
done
_TA_VER_FILE_="${_TA_HOME_DIR_}/VERSION"
_TA_LOG_FILE_="${_TA_HOME_DIR_}/LOG"
_TA_APP_DIR_="${_TA_HOME_DIR_}/app"
# create directory, if it is missing (e.g. first run)
[[ -d "${_TA_APP_DIR_}" ]] || mkdir -p "${_TA_APP_DIR_}"
# create version file if missing
[[ -f "${_TA_VER_FILE_}" ]] || echo 0 > "${_TA_VER_FILE_}"
cd "${_TA_HOME_DIR_}"
# get the installed version
while read _TA_VER_LINE_; do
_TA_INSTALLED_VERSION_="${_TA_VER_LINE_}"
done < "${_TA_VER_FILE_}"
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