Flutter version changer

_flutter_version.md

How it works

This script creates/maintains a symlink to the Flutter SDK of choice. It provides a way to quickly switch Flutter SDK version globally for the whole system.

How to use it

1. Put flutter_version.sh into your home folder
2. Run chmod +x flutter_version.sh
3. Replace ~/Documents/SDKs on line 16 with a path to the folder where you want to store the Flutter SDK versions
4. Download and put whichever versions of flutter you'd like to switch between into <SDKs path>/flutter_versions folder and name them conveniently. Something like 1.12 and 1.16_beta will work well.
5. Add <SDKs path>/flutter/bin into PATH
6. Run ./flutter_version.sh list to see the available versions
7. Use ./flutter_version.sh <version_name> to switch between the Flutter SDK versions

flutter_version.sh

#/bin/bash

main() {
	if [[ "$1" == "list" ]]; then
		ls flutter_versions
	elif [ -d "flutter_versions/$1" ]; then
		unlink flutter > /dev/null 2>&1
		ln -s "flutter_versions/$1" flutter
	else
		echo "Version $1 doesn't exist"
		echo "Available versions:"
		ls flutter_versions
	fi
}

( cd ~/Documents/SDKs ; main $* )