simple grails installer and env switcher

gvm

#inspired by rvm, npm, etc 
# gvm 2.0.0
gvm () { 
    export PATH=~/.grails/grails-dists/grails-$1/bin:$PATH 
    export GRAILS_HOME=~/.grails/grails-dists/grails-$1 
    if [ -d "grails-app" ]; then
       grails clean
    fi
}

# gvm-install 2.0.0
gvm-install () { 
    grailsName=grails-$1
    cd /tmp
    wget "http://dist.springframework.org.s3.amazonaws.com/release/GRAILS/$grailsName.zip"
    unzip /tmp/$grailsName
    mkdir -p ~/.grails-dists 
    mv /tmp/$grailsName ~/.grails-dists
}