fix-discord.sh

#!/bin/bash
#
# Discord will not launch if it detects it's outdated. 
# Since packages sometimes take a day or two to get updated, this script will trick it into launching anyways.
# Of course, you should still install an update as soon as it0s available.
#
# This script requires: curl, jq
# 	optional: sudo or polkit
#
set -e 

discord_dir="$(dirname "$(realpath "$(which discord)")")"

echo Detected discord dir: $discord_dir

if [[ ! -d "$discord_dir" ]]; then
	echo "Invalid!"
	exit -1
fi

channel="$(jq -r .releaseChannel <$discord_dir/resources/build_info.json)"
current_version="$(jq -r .version <$discord_dir/resources/build_info.json)"

echo Current build: $channel @ $current_version

new_version=$(curl -s 'https://discord.com/api/updates/'$channel'?platform=linux' | jq -r .name)

echo Newest version is $new_version

if [[ "$current_version" = "$new_version" ]]; then
	echo Version already newest!
	exit 0
fi

sudo=""

if [[ ! -w "$discord_dir/resources/build_info.json" ]]; then
	echo Need elevated privileges to modify program files
	if command -v pkexec &> /dev/null; then
		sudo="pkexec"
	else
		sudo="sudo"
	fi
fi

$sudo tee $discord_dir/resources/build_info.json <<EOF
{
	"releaseChannel": "$channel",
	"version": "$new_version"
}
EOF

echo Version updated!