857cbd8c24
* Use wget if curl is not available On most GNU/Linux distributions wget is often preinstalled, while curl is not. * Bump updater.sh version
130 lines
4.1 KiB
Bash
Executable File
130 lines
4.1 KiB
Bash
Executable File
#!/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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## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in check_for_update() )
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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=${1:--ask}
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currdir=$(pwd)
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DOWNLOAD_TO_STDOUT="curl -s"
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DOWNLOAD_TO_FILE="curl -O"
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# Use wget if curl is not available.
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if [[ -z $(command -v "curl") ]]; then
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DOWNLOAD_TO_STDOUT="wget --quiet --output-document=-"
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DOWNLOAD_TO_FILE="wget"
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fi
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## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
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sfp=$(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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## change directory to the Firefox profile directory
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cd "$(dirname "${sfp}")"
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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" < "$online_version" ]]; then
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update_available="yes"
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fi
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}
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## Used to backup the current script, and download and execute the latest version of updater.sh
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update_script () {
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echo -e "This script will be backed up and the latest version of updater.sh will be executed.\n"
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mv updater.sh "updater.sh.backup.$(date +"%Y-%m-%d_%H%M")"
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$DOWNLOAD_TO_FILE ${updater} && echo -e "\nThe latest updater script has been downloaded\n"
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# make new file executable
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chmod +x updater.sh
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# execute new updater script
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./updater.sh -donotupdate
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# exit script
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exit 1
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}
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main () {
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## create backup folder if it doesn't exist
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mkdir -p userjs_backups;
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echo -e "\nThis script should be run from your Firefox profile directory.\n"
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echo -e "Updating the user.js for Firefox profile:\n$(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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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."
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fi
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echo -e "\nIf a user-overrides.js file exists in this profile, it will be appended to the user.js.\n"
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read -p "Continue Y/N? " -n 1 -r
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echo -e "\n\n"
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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if [ -e user.js ]; then
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# backup current user.js
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bakfile="userjs_backups/user.js.backup.$(date +"%Y-%m-%d_%H%M")"
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mv user.js "${bakfile}" && echo "Your previous user.js file was backed up: ${bakfile}"
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fi
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# download latest ghacks user.js
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echo "downloading latest ghacks user.js file"
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$DOWNLOAD_TO_FILE ${ghacksjs} && echo "ghacks user.js has been downloaded"
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if [ -e user-overrides.js ]; then
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echo "user-overrides.js file found"
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cat user-overrides.js >> user.js && echo "user-overrides.js has been appended to user.js"
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fi
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else
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echo "Process aborted"
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fi
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## change directory back to the original working directory
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cd "${currdir}"
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}
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update_pref="$(echo $update_pref | tr '[A-Z]' '[a-z]')"
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if [ $update_pref = "-donotupdate" ]; then
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main
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else
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check_for_update
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if [ $update_available = "no" ]; then
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main
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else
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## there is an update available
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if [ $update_pref = "-update" ]; then
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## update without asking
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update_script
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else
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read -p "There is a newer version of updater.sh available. Download and execute? Y/N? " -n 1 -r
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echo -e "\n\n"
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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update_script
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else
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main
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fi
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fi
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fi
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fi
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