Install or update VS code on any Linux systemand backup the previously installed version

update-vscode.sh

#!/bin/bash
if [ $# -gt 0 ]; then
	if [ "$1" == "help" ]; then
		echo "Usage: $0 [help | <installation_destination_path>]"
		exit 0
	else
		destination="$1"
	fi
fi

pwd=${PWD}
tmp_file="vscode.tar.gz"
url="https://code.visualstudio.com/sha/download?build=stable&os=linux-x64"
binary="/usr/local/bin/code"

if [ -z "$destination" ]; then
	destination="/opt/vscode"
fi

echo "Updating VSCode"
echo "Download URL: $url"
echo "Install destination: $destination"
echo "Binary destination: $binary"
echo "Temporary download destination: $tmp_file"

cd /tmp
echo "Downloading new version..."
curl --location "https://code.visualstudio.com/sha/download?build=stable&os=linux-x64" > $tmp_file

echo "Extracting vscode..."
vscode_folder=$(tar tf "$tmp_file" | cut -d "/" -f 1 | sort -u)
tar xf "$tmp_file"

if [ -d "$destination" ]; then
	if [ -d "$destination"_bak ]; then sudo rm -rf "$destination"_bak; fi
	echo "Backing up previous version..."
	sudo mv "$destination" "$destination"_bak
fi

echo "Moving new version..."
sudo mv "$vscode_folder" "$destination"

if [ ! -f "$binary" ]; then
	echo "Registering executable..."
	sudo ln -s "$destination"/code "$binary"
fi

echo "Cleaning up..."
rm -f "$tmp_file"

echo "Update successful"