Managing Swift Environments

set-swift-env

#!/bin/bash

echo
echo "Before the change:"
xcrun --find swift
swift --version
echo

if [[ $PATH =~ /Library/Developer/Toolchains/swift-latest.xctoolchain/usr/bin:* ]]
then
	echo "You have already set the PATH."
else
	export PATH=/Library/Developer/Toolchains/swift-latest.xctoolchain/usr/bin:$PATH
	echo "PATH="$PATH
fi

if [[ $TOOLCHAINS = swift ]]
then
	echo "You have already set the TOOLCHAINS."
else
	export TOOLCHAINS=swift
	echo "TOOLCHAINS="$TOOLCHAINS
fi

echo
echo "After the change:"
xcrun --find swift
swift --version
echo

export PATH=/Library/Developer/Toolchains/swift-latest.xctoolchain/usr/bin:$PATH