A Shell to download and install Swift Development Snapshots from Swift.org

get-swift-pkg

#!/usr/bin/env bash

DEVELOPMENT_SNAPSHOTS_PATH=https://swift.org/builds/development/xcode
DEVELOPMENT_SNAPSHOTS_PREFIX=swift-DEVELOPMENT-SNAPSHOT-

echo

if [ -z "$1" ]; then
	echo "OVERVIEW: Download and install Swift Development Snapshots from Swift.org."
	echo
        echo "USAGE:    get-swift-pkg [development-snapshots-name]"
        echo
        echo "Example:  get-swift-pkg 2016-03-24-a"
        echo
        echo "Available development-snapshots-names are ..."
        curl -s https://swift.org/download/|grep xcode/swift-DEVELOPMENT-SNAPSHOT | sed -n 's/^.*href="\/builds\/development\/xcode\/swift-DEVELOPMENT-SNAPSHOT-\([^"]*\)\/.*".*$/\1/p' | uniq 
        exit 1
fi

DEVELOPMENT_SNAPSHOTS_NAME=$DEVELOPMENT_SNAPSHOTS_PREFIX"$1"

curl -O\# $DEVELOPMENT_SNAPSHOTS_PATH/$DEVELOPMENT_SNAPSHOTS_NAME/$DEVELOPMENT_SNAPSHOTS_NAME-osx.pkg
sudo installer -pkg $DEVELOPMENT_SNAPSHOTS_NAME-osx.pkg -target /
rm $DEVELOPMENT_SNAPSHOTS_NAME-osx.pkg

echo