user.js/updater.sh
2018-04-20 14:38:33 -06:00

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#!/usr/bin/env bash
### ghacks-user.js updater for Mac/Linux
## author: @overdodactyl
## version: 1.3
ghacksjs="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js"
updater="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh"
currdir=$(pwd)
## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
sfp=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)
## fallback for Macs without coreutils
if [ -z "$sfp" ]; then sfp=${BASH_SOURCE[0]}; fi
## change directory to the Firefox profile directory
cd "$(dirname "${sfp}")"
## create backup folder if it doesn't exist
mkdir -p userjs_backups;
## Check if there's a newer version of the updater script available
online_version="$(curl -s ${updater} | sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p')"
path_to_script="$(dirname "${sfp}")/updater.sh"
current_version="$(sed -n '5 s/.*[[:blank:]]\([[:digit:]]*\.[[:digit:]]*\)/\1/p' "$path_to_script")"
if (( $(echo "$online_version > $current_version" | bc -l) )); then
echo -e "There is a new updater script available online. This updater will be backed up and the latest will be executed.\n"
bakfile="updater.sh.backup.$(date +"%Y-%m-%d_%H%M")"
mv updater.sh "userjs_backups/${bakfile}"
curl -O ${updater} && echo -e "\nThe latest updater script has been downloaded\n"
# make new file executable
chmod +x updater.sh
# execute new updater script
./updater.sh
# exit script
exit 1
fi
echo -e "\nThis script should be run from your Firefox profile directory.\n"
echo -e "Updating the user.js for Firefox profile:\n$(pwd)\n"
if [ -e user.js ]; then
echo "Your current user.js file for this profile will be backed up and the latest ghacks version from github will take its place."
echo -e "\nIf currently using the ghacks user.js, please compare versions:"
echo " Available online: $(curl -s ${ghacksjs} | sed -n '4p')"
echo " Currently using: $(sed -n '4p' user.js)"
else
echo "A user.js file does not exist in this profile. If you continue, the latest ghacks version from github will be downloaded."
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="user.js.backup.$(date +"%Y-%m-%d_%H%M")"
mv user.js "userjs_backups/${bakfile}" && echo "Your previous user.js file was backed up: userjs_backups/${bakfile}"
fi
# download latest ghacks user.js
echo "downloading latest ghacks user.js file"
curl -O ${ghacksjs} && echo "ghacks user.js has been downloaded"
if [ -e user-overrides.js ]; then
echo "user-overrides.js file found"
cat user-overrides.js >> user.js && echo "user-overrides.js has been appended to user.js"
fi
else
echo "Process aborted"
fi
## change directory back to the original working directory
cd "${currdir}"