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FF_arkenfox_user.js/prefsCleaner.sh

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#!/usr/bin/env bash
## prefs.js cleaner for Linux/Mac
## author: @claustromaniac
2022-07-30 14:23:27 +02:00
## version: 1.5
## special thanks to @overdodactyl and @earthlng for a few snippets that I stol..*cough* borrowed from the 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}")"
fQuit() {
## change directory back to the original working directory
cd "${currdir}"
[ "$1" -eq 0 ] && echo -e "\n$2" || echo -e "\n$2" >&2
exit $1
}
fUsage() {
echo -e "\nUsage: $0 [-s]"
echo -e "
Optional Arguments:
-s Start immediately"
}
fFF_check() {
# there are many ways to see if firefox is running or not, some more reliable than others
# this isn't elegant and might not be future-proof but should at least be compatible with any environment
while [ -e lock ]; do
echo -e "\nThis Firefox profile seems to be in use. Close Firefox and try again.\n" >&2
read -r -p "Press any key to continue."
done
}
fClean() {
# the magic happens here
prefs="@@"
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prefexp="user_pref[ ]*\([ ]*[\"']([^\"']+)[\"'][ ]*,"
while read -r line; do
if [[ "$line" =~ $prefexp && $prefs != *"@@${BASH_REMATCH[1]}@@"* ]]; then
prefs="${prefs}${BASH_REMATCH[1]}@@"
fi
done <<< "$(grep -E "$prefexp" user.js)"
while IFS='' read -r line || [[ -n "$line" ]]; do
if [[ "$line" =~ ^$prefexp ]]; then
if [[ $prefs != *"@@${BASH_REMATCH[1]}@@"* ]]; then
echo "$line"
fi
else
echo "$line"
fi
done < "$1" > prefs.js
}
fStart() {
if [ ! -e user.js ]; then
fQuit 1 "user.js not found in the current directory."
elif [ ! -e prefs.js ]; then
fQuit 1 "prefs.js not found in the current directory."
fi
fFF_check
mkdir -p prefsjs_backups
bakfile="prefsjs_backups/prefs.js.backup.$(date +"%Y-%m-%d_%H%M")"
mv prefs.js "${bakfile}" || fQuit 1 "Operation aborted.\nReason: Could not create backup file $bakfile"
echo -e "\nprefs.js backed up: $bakfile"
echo "Cleaning prefs.js..."
fClean "$bakfile"
fQuit 0 "All done!"
}
echo -e "\n\n"
echo " ╔══════════════════════════╗"
echo " ║ prefs.js cleaner ║"
echo " ║ by claustromaniac ║"
2022-07-30 14:23:27 +02:00
echo " ║ v1.5 ║"
echo " ╚══════════════════════════╝"
echo -e "\nThis script should be run from your Firefox profile directory.\n"
echo "It will remove any entries from prefs.js that also exist in user.js."
echo "This will allow inactive preferences to be reset to their default values."
echo -e "\nThis Firefox profile shouldn't be in use during the process.\n"
[ "$1" == '-s' ] && fStart
select option in Start Help Exit; do
case $option in
Start)
fStart
;;
Help)
fUsage
echo -e "\nThis script creates a backup of your prefs.js file before doing anything."
echo -e "It should be safe, but you can follow these steps if something goes wrong:\n"
echo "1. Make sure Firefox is closed."
echo "2. Delete prefs.js in your profile folder."
echo "3. Delete Invalidprefs.js if you have one in the same folder."
echo "4. Rename or copy your latest backup to prefs.js."
echo "5. Run Firefox and see if you notice anything wrong with it."
echo "6. If you do notice something wrong, especially with your extensions, and/or with the UI, go to about:support, and restart Firefox with add-ons disabled. Then, restart it again normally, and see if the problems were solved."
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echo -e "If you are able to identify the cause of your issues, please bring it up on the arkenfox user.js GitHub repository.\n"
;;
Exit)
fQuit 0
;;
esac
done