A script for managing and installing nodejs within a Python virtualenv.

venv_node

#!/bin/bash

TASK=$1

node_checksum() {
    if [ "$1" = "$2" ]; then
        return
    elif [ -z $2 ]; then
        echo 'Checksums empty' #missing in raspberry pi binary
        return
    else
        echo 'Checksums do not match.'
        return 1
    fi
}

main(){
    case $TASK in
        "install" )
            VERSION=$2
            if [ "$3" ]; then
                DIR=$3
            elif [ "$VIRTUAL_ENV" ]; then
                DIR=$VIRTUAL_ENV
            else
                echo "You must be in an active virtualenv or provide a path."
                return 1;
            fi

            url="http://nodejs.org/dist/$VERSION/node-${VERSION}.tar.gz"
            tmpdir="/tmp/node-${VERSION}"
            tmptarball="$tmpdir/node-${VERSION}.tar.gz"
            sum=`curl -s http://nodejs.org/dist/$VERSION/SHASUMS.txt | \grep node-$VERSION.tar.gz | awk '{print $1}'`

            mkdir -p "$tmpdir"
            if [ "$sum" = "" ]; then
                echo "Checksum not available, verify version number."
                return 1
            else
                curl --progress-bar $url -o "$tmptarball"
                node_checksum `shasum "$tmptarball" | awk '{print $1}'` $sum
            fi
            tar -xzf "$tmptarball" -C "$tmpdir"
            cd "$tmpdir/node-$VERSION"
            ./configure --prefix=$DIR
            make
            make install
        ;;
        * )
            echo "Usage: venv_node <command>"
            echo ""
            echo "Commands:"
            echo "    install <version> [<path>]    Installs the specified <version> (i.e. "
            echo "                                  \"v0.8.11\") of node to the specified <path>."
            echo "                                  If no <path> is provided, it attempts to install"
            echo "                                  to the active python virtualenv."
    esac
}

main $@