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@ -1,129 +1,427 @@
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#!/usr/bin/env bash
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### ghacks-user.js updater for Mac/Linux
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## author: @overdodactyl, @ema-pe
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## version: 1.4
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## ghacks-user.js updater for macOS and Linux
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## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in check_for_update() )
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## version: 2.5
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## Author: Pat Johnson (@overdodactyl)
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## Additional contributors: @earthlng, @ema-pe, @claustromaniac
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ghacksjs="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js"
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updater="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh"
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update_pref=${1:--ask}
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## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in update_updater() )
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currdir=$(pwd)
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readonly CURRDIR=$(pwd)
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DOWNLOAD_TO_STDOUT="curl -s"
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DOWNLOAD_TO_FILE="curl -O"
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sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
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if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi
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readonly SCRIPT_DIR=$(dirname "${sfp}")
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# Use wget if curl is not available.
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if [[ -z $(command -v "curl") ]]; then
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DOWNLOAD_TO_STDOUT="wget --quiet --output-document=-"
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DOWNLOAD_TO_FILE="wget"
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#########################
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# Base variables #
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#########################
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# Colors used for printing
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RED='\033[0;31m'
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BLUE='\033[0;34m'
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BBLUE='\033[1;34m'
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GREEN='\033[0;32m'
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ORANGE='\033[0;33m'
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CYAN='\033[0;36m'
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NC='\033[0m' # No Color
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# Argument defaults
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UPDATE='check'
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CONFIRM='yes'
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OVERRIDE='user-overrides.js'
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BACKUP='multiple'
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COMPARE=false
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SKIPOVERRIDE=false
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VIEW=false
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PROFILE_PATH=false
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ESR=false
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# Download method priority: curl -> wget
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DOWNLOAD_METHOD=''
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if [[ $(command -v 'curl') ]]; then
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DOWNLOAD_METHOD='curl'
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elif [[ $(command -v 'wget') ]]; then
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DOWNLOAD_METHOD='wget'
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else
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echo -e "${RED}This script requires curl or wget.\nProcess aborted${NC}"
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exit 0
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fi
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## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
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sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
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## fallback for Macs without coreutils
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if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi
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show_banner () {
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echo -e "${BBLUE}\n"
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echo ' ############################################################################'
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echo ' #### ####'
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echo ' #### ghacks user.js ####'
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echo ' #### Hardening the Privacy and Security Settings of Firefox ####'
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echo ' #### Maintained by @Thorin-Oakenpants and @earthlng ####'
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echo ' #### Updater for macOS and Linux by @overdodactyl ####'
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echo ' #### ####'
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echo ' ############################################################################'
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echo -e "${NC}\n"
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echo -e "Documentation for this script is available here: ${CYAN}https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.3-Updater-Scripts${NC}\n"
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}
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## change directory to the Firefox profile directory
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cd "$(dirname "${sfp}")"
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#########################
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# Arguments #
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#########################
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## Used to check if a new version of updater.sh is available
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update_available="no"
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check_for_update () {
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online_version="$($DOWNLOAD_TO_STDOUT ${updater} | sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p')"
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path_to_script="$(dirname "${sfp}")/updater.sh"
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current_version="$(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$path_to_script")"
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if [[ "$current_version" < "$online_version" ]]; then
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update_available="yes"
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usage() {
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echo -e "${BLUE}\nUsage: $0 [-h] [-p PROFILE] [-u] [-d] [-s] [-n] [-b] [-c] [-v] [-r] [-e] [-o OVERRIDE]\n${NC}" 1>&2 # Echo usage string to standard error
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echo 'Optional Arguments:'
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echo -e "\t-h,\t\t Show this help message and exit."
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echo -e "\t-p PROFILE,\t Path to your Firefox profile (if different than the dir of this script)"
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echo -e "\t\t\t IMPORTANT: if the path include spaces, wrap the entire argument in quotes."
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echo -e "\t-l, \t\t Choose your Firefox profile from a list"
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echo -e "\t-u,\t\t Update updater.sh and execute silently. Do not seek confirmation."
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echo -e "\t-d,\t\t Do not look for updates to updater.sh."
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echo -e "\t-s,\t\t Silently update user.js. Do not seek confirmation."
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echo -e "\t-b,\t\t Only keep one backup of each file."
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echo -e "\t-c,\t\t Create a diff file comparing old and new user.js within userjs_diffs. "
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echo -e "\t-o OVERRIDE,\t Filename or path to overrides file (if different than user-overrides.js)."
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echo -e "\t\t\t If used with -p, paths should be relative to PROFILE or absolute paths"
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echo -e "\t\t\t If given a directory, all files inside will be appended recursively."
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echo -e "\t\t\t You can pass multiple files or directories by passing a comma separated list."
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echo -e "\t\t\t\t Note: If a directory is given, only files inside ending in the extension .js are appended"
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echo -e "\t\t\t\t IMPORTANT: do not add spaces between files/paths. Ex: -o file1.js,file2.js,dir1"
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echo -e "\t\t\t\t IMPORTANT: if any files/paths include spaces, wrap the entire argument in quotes."
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echo -e "\t\t\t\t\t Ex: -o \"override folder\" "
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echo -e "\t-n,\t\t Do not append any overrides, even if user-overrides.js exists."
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echo -e "\t-v,\t\t Open the resulting user.js file."
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echo -e "\t-r,\t\t Only download user.js to a temporary file and open it."
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echo -e "\t-e,\t\t Activate ESR related preferences."
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echo -e
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echo 'Deprecated Arguments (they still work for now):'
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echo -e "\t-donotupdate,\t Use instead -d"
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echo -e "\t-update,\t Use instead -u"
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echo -e
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exit 1
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}
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legacy_argument () {
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echo -e "${ORANGE}\nWarning: command line arguments have changed."
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echo -e "$1 has been deprecated and may not work in the future.\n"
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echo -e "Please view the new options using the -h argument.${NC}"
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}
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#########################
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# File Handling #
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#########################
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# Download files
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download_file () {
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declare -r url=$1
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declare -r tf=$(mktemp)
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local dlcmd=''
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if [ $DOWNLOAD_METHOD = 'curl' ]; then
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dlcmd="curl -o $tf"
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else
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dlcmd="wget -O $tf"
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fi
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$dlcmd "${url}" &>/dev/null && echo "$tf" || echo '' # return the temp-filename (or empty string on error)
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}
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open_file () { #expects one argument: file_path
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if [ "$(uname)" == 'Darwin' ]; then
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open "$1"
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elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
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xdg-open "$1"
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else
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echo -e "${RED}Error: Sorry, opening files is not supported for your OS.${NC}"
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fi
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}
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## Used to backup the current script, and download and execute the latest version of updater.sh
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update_script () {
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echo -e "This script will be backed up and the latest version of updater.sh will be executed.\n"
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mv updater.sh "updater.sh.backup.$(date +"%Y-%m-%d_%H%M")"
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$DOWNLOAD_TO_FILE ${updater} && echo -e "\nThe latest updater script has been downloaded\n"
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readIniFile () { # expects one argument: absolute path of profiles.ini
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declare -r inifile="$1"
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declare -r tfile=$(mktemp)
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# make new file executable
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chmod +x updater.sh
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if [ $(grep '^\[Profile' "$inifile" | wc -l) == "1" ]; then ### only 1 profile found
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grep '^\[Profile' -A 4 "$inifile" | grep -v '^\[Profile' > $tfile
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else
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grep -E -v '^\[General\]|^StartWithLastProfile=|^IsRelative=' "$inifile"
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echo ''
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read -p 'Select the profile number ( 0 for Profile0, 1 for Profile1, etc ) : ' -r
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echo -e "\n"
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if [[ $REPLY =~ ^(0|[1-9][0-9]*)$ ]]; then
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grep '^\[Profile'${REPLY} -A 4 "$inifile" | grep -v '^\[Profile'${REPLY} > $tfile
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if [[ "$?" != "0" ]]; then
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echo "Profile${REPLY} does not exist!" && exit 1
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fi
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else
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echo "Invalid selection!" && exit 1
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fi
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fi
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# execute new updater script
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./updater.sh -donotupdate
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declare -r profpath=$(grep '^Path=' $tfile)
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declare -r pathisrel=$(grep '^IsRelative=' $tfile)
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# exit script
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rm "$tfile"
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# update global variable
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if [[ ${pathisrel#*=} == "1" ]]; then
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PROFILE_PATH="$(dirname "$inifile")/${profpath#*=}"
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else
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PROFILE_PATH="${profpath#*=}"
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fi
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}
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getProfilePath () {
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declare -r f1=~/Library/Application\ Support/Firefox/profiles.ini
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declare -r f2=~/.mozilla/firefox/profiles.ini
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if [ "$PROFILE_PATH" = false ]; then
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PROFILE_PATH="$SCRIPT_DIR"
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elif [ "$PROFILE_PATH" = 'list' ]; then
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local ini=''
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if [[ -f "$f1" ]]; then
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ini="$f1"
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elif [[ -f "$f2" ]]; then
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ini="$f2"
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else
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echo -e "${RED}Error: Sorry, -l is not supported for your OS${NC}"
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exit 1
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fi
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readIniFile "$ini" # updates PROFILE_PATH or exits on error
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#else
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# PROFILE_PATH already set by user with -p
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fi
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}
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#########################
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# Update updater.sh #
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#########################
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# Returns the version number of a updater.sh file
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get_updater_version () {
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echo $(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$1")
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}
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# Update updater.sh
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# Default: Check for update, if available, ask user if they want to execute it
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# Args:
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# -donotupdate: New version will not be looked for and update will not occur
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# -update: Check for update, if available, execute without asking
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update_updater () {
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if [ $UPDATE = 'no' ]; then
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return 0 # User signified not to check for updates
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fi
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declare -r tmpfile=$(download_file 'https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh')
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if [[ $(get_updater_version "${SCRIPT_DIR}/updater.sh") < $(get_updater_version "${tmpfile}") ]]; then
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if [ $UPDATE = 'check' ]; then
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echo -e "There is a newer version of updater.sh available. ${RED}Update and execute Y/N?${NC}"
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read -p "" -n 1 -r
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echo -e "\n\n"
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if [[ $REPLY =~ ^[Nn]$ ]]; then
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return 0 # Update available, but user chooses not to update
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fi
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fi
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else
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return 0 # No update available
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fi
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mv "${tmpfile}" "${SCRIPT_DIR}/updater.sh"
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chmod u+x "${SCRIPT_DIR}/updater.sh"
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"${SCRIPT_DIR}/updater.sh" "$@" -d
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exit 1
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}
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main () {
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## create backup folder if it doesn't exist
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mkdir -p userjs_backups;
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#########################
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# Update user.js #
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#########################
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echo -e "\nThis script should be run from your Firefox profile directory.\n"
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echo -e "Updating the user.js for Firefox profile:\n$(pwd)\n"
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if [ -e user.js ]; then
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echo "Your current user.js file for this profile will be backed up and the latest ghacks version from github will take its place."
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echo -e "\nIf currently using the ghacks user.js, please compare versions:"
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echo " Available online: $($DOWNLOAD_TO_STDOUT ${ghacksjs} | sed -n '4p')"
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echo " Currently using: $(sed -n '4p' user.js)"
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# Returns version number of a user.js file
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get_userjs_version () {
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if [ -e $1 ]; then
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echo "$(sed -n '4p' "$1")"
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else
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|
|
echo "A user.js file does not exist in this profile. If you continue, the latest ghacks version from github will be downloaded."
|
|
|
|
|
echo "Not detected."
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
echo -e "\nIf a user-overrides.js file exists in this profile, it will be appended to the user.js.\n"
|
|
|
|
|
|
|
|
|
|
read -p "Continue Y/N? " -n 1 -r
|
|
|
|
|
echo -e "\n\n"
|
|
|
|
|
|
|
|
|
|
if [[ $REPLY =~ ^[Yy]$ ]]; then
|
|
|
|
|
if [ -e user.js ]; then
|
|
|
|
|
# backup current user.js
|
|
|
|
|
bakfile="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
|
|
|
|
|
mv user.js "${bakfile}" && echo "Your previous user.js file was backed up: ${bakfile}"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# download latest ghacks user.js
|
|
|
|
|
echo "downloading latest ghacks user.js file"
|
|
|
|
|
$DOWNLOAD_TO_FILE ${ghacksjs} && echo "ghacks user.js has been downloaded"
|
|
|
|
|
|
|
|
|
|
if [ -e user-overrides.js ]; then
|
|
|
|
|
echo "user-overrides.js file found"
|
|
|
|
|
cat user-overrides.js >> user.js && echo "user-overrides.js has been appended to user.js"
|
|
|
|
|
fi
|
|
|
|
|
else
|
|
|
|
|
echo "Process aborted"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
## change directory back to the original working directory
|
|
|
|
|
cd "${currdir}"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
add_override () {
|
|
|
|
|
input=$1
|
|
|
|
|
if [ -f "$input" ]; then
|
|
|
|
|
echo "" >> user.js
|
|
|
|
|
cat "$input" >> user.js
|
|
|
|
|
echo -e "Status: ${GREEN}Override file appended:${NC} ${input}"
|
|
|
|
|
elif [ -d "$input" ]; then
|
|
|
|
|
FSAVEIFS=$IFS
|
|
|
|
|
IFS=$'\n\b' # Set IFS
|
|
|
|
|
FILES="${input}"/*.js
|
|
|
|
|
for f in $FILES
|
|
|
|
|
do
|
|
|
|
|
add_override "$f"
|
|
|
|
|
done
|
|
|
|
|
IFS=$SAVEIFS # restore $IFS
|
|
|
|
|
else
|
|
|
|
|
echo -e "${ORANGE}Warning: Could not find override file:${NC} ${input}"
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
update_pref="$(echo $update_pref | tr '[A-Z]' '[a-z]')"
|
|
|
|
|
if [ $update_pref = "-donotupdate" ]; then
|
|
|
|
|
main
|
|
|
|
|
else
|
|
|
|
|
check_for_update
|
|
|
|
|
if [ $update_available = "no" ]; then
|
|
|
|
|
main
|
|
|
|
|
else
|
|
|
|
|
## there is an update available
|
|
|
|
|
if [ $update_pref = "-update" ]; then
|
|
|
|
|
## update without asking
|
|
|
|
|
update_script
|
|
|
|
|
else
|
|
|
|
|
read -p "There is a newer version of updater.sh available. Download and execute? Y/N? " -n 1 -r
|
|
|
|
|
echo -e "\n\n"
|
|
|
|
|
if [[ $REPLY =~ ^[Yy]$ ]]; then
|
|
|
|
|
update_script
|
|
|
|
|
else
|
|
|
|
|
main
|
|
|
|
|
remove_comments () { # expects 2 arguments: from-file and to-file
|
|
|
|
|
sed -e 's/^[[:space:]]*\/\/.*$//' -e '/^\/\*/,/\*\//d' -e '/^[[:space:]]*$/d' -e 's/);[[:space:]]*\/\/.*/);/' "$1" > "$2"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# Applies latest version of user.js and any custom overrides
|
|
|
|
|
update_userjs () {
|
|
|
|
|
declare -r newfile=$(download_file 'https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js')
|
|
|
|
|
|
|
|
|
|
echo 'Please observe the following information:'
|
|
|
|
|
echo -e "\tFirefox profile: ${ORANGE}$(pwd)${NC}"
|
|
|
|
|
echo -e "\tAvailable online: ${ORANGE}$(get_userjs_version $newfile)${NC}"
|
|
|
|
|
echo -e "\tCurrently using: ${ORANGE}$(get_userjs_version user.js)\n${NC}\n"
|
|
|
|
|
|
|
|
|
|
if [ $CONFIRM = 'yes' ]; then
|
|
|
|
|
echo -e "This script will update to the latest user.js file and append any custom configurations from user-overrides.js. ${RED}Continue Y/N? ${NC}"
|
|
|
|
|
read -p "" -n 1 -r
|
|
|
|
|
echo -e "\n"
|
|
|
|
|
if [[ $REPLY =~ ^[Nn]$ ]]; then
|
|
|
|
|
echo -e "${RED}Process aborted${NC}"
|
|
|
|
|
rm $newfile
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Copy a version of user.js to diffs folder for later comparison
|
|
|
|
|
if [ "$COMPARE" = true ]; then
|
|
|
|
|
mkdir -p userjs_diffs
|
|
|
|
|
cp user.js userjs_diffs/past_user.js &>/dev/null
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# backup user.js
|
|
|
|
|
mkdir -p userjs_backups
|
|
|
|
|
local bakname="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
|
|
|
|
|
if [ $BACKUP = 'single' ]; then
|
|
|
|
|
bakname='userjs_backups/user.js.backup'
|
|
|
|
|
fi
|
|
|
|
|
cp user.js "$bakname" &>/dev/null
|
|
|
|
|
|
|
|
|
|
mv "${newfile}" user.js
|
|
|
|
|
echo -e "Status: ${GREEN}user.js has been backed up and replaced with the latest version!${NC}"
|
|
|
|
|
|
|
|
|
|
if [ "$ESR" = true ]; then
|
|
|
|
|
sed -e 's/\/\* \(ESR[0-9]\{2,\}\.x still uses all.*\)/\/\/ \1/' user.js > user.js.tmp && mv user.js.tmp user.js
|
|
|
|
|
echo -e "Status: ${GREEN}ESR related preferences have been activated!${NC}"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# apply overrides
|
|
|
|
|
if [ "$SKIPOVERRIDE" = false ]; then
|
|
|
|
|
while IFS=',' read -ra FILE; do
|
|
|
|
|
add_override "$FILE"
|
|
|
|
|
done <<< "$OVERRIDE"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# create diff
|
|
|
|
|
if [ "$COMPARE" = true ]; then
|
|
|
|
|
pastuserjs='userjs_diffs/past_user.js'
|
|
|
|
|
past_nocomments='userjs_diffs/past_userjs.txt'
|
|
|
|
|
current_nocomments='userjs_diffs/current_userjs.txt'
|
|
|
|
|
|
|
|
|
|
remove_comments $pastuserjs $past_nocomments
|
|
|
|
|
remove_comments user.js $current_nocomments
|
|
|
|
|
|
|
|
|
|
diffname="userjs_diffs/diff_$(date +"%Y-%m-%d_%H%M").txt"
|
|
|
|
|
diff=$(diff -w -B -U 0 $past_nocomments $current_nocomments)
|
|
|
|
|
if [ ! -z "$diff" ]; then
|
|
|
|
|
echo "$diff" > "$diffname"
|
|
|
|
|
echo -e "Status: ${GREEN}A diff file was created:${NC} ${PWD}/${diffname}"
|
|
|
|
|
else
|
|
|
|
|
echo -e "Warning: ${ORANGE}Your new user.js file appears to be identical. No diff file was created.${NC}"
|
|
|
|
|
if [ $BACKUP = 'multiple' ]; then
|
|
|
|
|
rm $bakname &>/dev/null
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
rm $past_nocomments $current_nocomments $pastuserjs &>/dev/null
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ "$VIEW" = true ]; then open_file "${PWD}/user.js"; fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#########################
|
|
|
|
|
# Execute #
|
|
|
|
|
#########################
|
|
|
|
|
|
|
|
|
|
if [ $# != 0 ]; then
|
|
|
|
|
readonly legacy_lc=$(echo $1 | tr '[A-Z]' '[a-z]')
|
|
|
|
|
# Display usage if first argument is -help or --help
|
|
|
|
|
if [ $1 = '--help' ] || [ $1 = '-help' ]; then
|
|
|
|
|
usage
|
|
|
|
|
elif [ $legacy_lc = '-donotupdate' ]; then
|
|
|
|
|
UPDATE='no'
|
|
|
|
|
legacy_argument $1
|
|
|
|
|
elif [ $legacy_lc = '-update' ]; then
|
|
|
|
|
UPDATE='yes'
|
|
|
|
|
legacy_argument $1
|
|
|
|
|
else
|
|
|
|
|
while getopts ":hp:ludsno:bcvre" opt; do
|
|
|
|
|
case $opt in
|
|
|
|
|
h)
|
|
|
|
|
usage
|
|
|
|
|
;;
|
|
|
|
|
p)
|
|
|
|
|
PROFILE_PATH=${OPTARG}
|
|
|
|
|
;;
|
|
|
|
|
l)
|
|
|
|
|
PROFILE_PATH='list'
|
|
|
|
|
;;
|
|
|
|
|
u)
|
|
|
|
|
UPDATE='yes'
|
|
|
|
|
;;
|
|
|
|
|
d)
|
|
|
|
|
UPDATE='no'
|
|
|
|
|
;;
|
|
|
|
|
s)
|
|
|
|
|
CONFIRM='no'
|
|
|
|
|
;;
|
|
|
|
|
n)
|
|
|
|
|
SKIPOVERRIDE=true
|
|
|
|
|
;;
|
|
|
|
|
o)
|
|
|
|
|
OVERRIDE=${OPTARG}
|
|
|
|
|
;;
|
|
|
|
|
b)
|
|
|
|
|
BACKUP='single'
|
|
|
|
|
;;
|
|
|
|
|
c)
|
|
|
|
|
COMPARE=true
|
|
|
|
|
;;
|
|
|
|
|
v)
|
|
|
|
|
VIEW=true
|
|
|
|
|
;;
|
|
|
|
|
e)
|
|
|
|
|
ESR=true
|
|
|
|
|
;;
|
|
|
|
|
r)
|
|
|
|
|
tfile=$(download_file 'https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js')
|
|
|
|
|
mv $tfile "${tfile}.js"
|
|
|
|
|
echo -e "${ORANGE}Warning: user.js was saved to temporary file ${tfile}.js${NC}"
|
|
|
|
|
open_file "${tfile}.js"
|
|
|
|
|
exit 1
|
|
|
|
|
;;
|
|
|
|
|
\?)
|
|
|
|
|
echo -e "${RED}\n Error! Invalid option: -$OPTARG${NC}" >&2
|
|
|
|
|
usage
|
|
|
|
|
;;
|
|
|
|
|
:)
|
|
|
|
|
echo -e "${RED}Error! Option -$OPTARG requires an argument.${NC}" >&2
|
|
|
|
|
exit 1
|
|
|
|
|
;;
|
|
|
|
|
esac
|
|
|
|
|
done
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
show_banner
|
|
|
|
|
update_updater $@
|
|
|
|
|
|
|
|
|
|
getProfilePath # updates PROFILE_PATH or exits on error
|
|
|
|
|
cd "$PROFILE_PATH" && update_userjs
|
|
|
|
|
|
|
|
|
|
cd "$CURRDIR"
|
|
|
|
|
|
