firefox-user.js/updater.sh
Emanuele Petriglia 857cbd8c24 Use wget if curl is not available (#451)
* Use wget if curl is not available
On most GNU/Linux distributions wget is often preinstalled, while curl
is not.
* Bump updater.sh version
2018-07-06 14:06:01 +02:00

130 lines
4.1 KiB
Bash
Executable File

#!/usr/bin/env bash
### ghacks-user.js updater for Mac/Linux
## author: @overdodactyl, @ema-pe
## version: 1.4
## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in check_for_update() )
ghacksjs="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js"
updater="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/updater.sh"
update_pref=${1:--ask}
currdir=$(pwd)
DOWNLOAD_TO_STDOUT="curl -s"
DOWNLOAD_TO_FILE="curl -O"
# Use wget if curl is not available.
if [[ -z $(command -v "curl") ]]; then
DOWNLOAD_TO_STDOUT="wget --quiet --output-document=-"
DOWNLOAD_TO_FILE="wget"
fi
## get the full path of this script (readlink for Linux, greadlink for Mac with coreutils installed)
sfp=$(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}")"
## Used to check if a new version of updater.sh is available
update_available="no"
check_for_update () {
online_version="$($DOWNLOAD_TO_STDOUT ${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' "$path_to_script")"
if [[ "$current_version" < "$online_version" ]]; then
update_available="yes"
fi
}
## Used to backup the current script, and download and execute the latest version of updater.sh
update_script () {
echo -e "This script will be backed up and the latest version of updater.sh will be executed.\n"
mv updater.sh "updater.sh.backup.$(date +"%Y-%m-%d_%H%M")"
$DOWNLOAD_TO_FILE ${updater} && echo -e "\nThe latest updater script has been downloaded\n"
# make new file executable
chmod +x updater.sh
# execute new updater script
./updater.sh -donotupdate
# exit script
exit 1
}
main () {
## create backup folder if it doesn't exist
mkdir -p userjs_backups;
echo -e "\nThis script should be run from your Firefox profile directory.\n"
echo -e "Updating the user.js for Firefox profile:\n$(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: $($DOWNLOAD_TO_STDOUT ${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="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}"
}
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
fi
fi
fi
fi