Horrible node.js "omnibus"

gistfile1.sh

#!/bin/bash
#some defaults
PROJECT_VERSION=0.1.0
NODE_VERSION=0.10.5
PROJECT=$(basename $(pwd))

if [ -r .node_version ]; then
    . .node_version
fi

OS=$(uname -s|tr '[:upper:]' '[:lower:]')

if [ \( ! -x embedded/bin/node \) -a \( "v$NODE_VERSION" != "$(embedded/bin/node -v)" \) ]; then
    NODE_MIRROR=http://nodejs.org/dist/v$NODE_VERSION
    NODE_FILE=node-v$NODE_VERSION-$OS-x64.tar.gz
    wget --timestamping --directory-prefix=/tmp $NODE_MIRROR/$NODE_FILE
    mkdir -p embedded
    tar -zxf /tmp/$NODE_FILE --strip-components=1  --no-same-owner -C embedded 
fi

embedded/bin/npm install

PACKAGE_VERSION=$(embedded/bin/node -e "console.log(require('./package.json').version)")

if [ \( -n "$PACKAGE_VERSION" \) -a \( $PACKAGE_VERSION != undefined \) ]; then 
    PROJECT_VERSION=$PACKAGE_VERSION
fi

PACKAGE_NAME=$(embedded/bin/node -e "console.log(require('./package.json').name)")
if [ \( -n "$PACKAGE_VERSION" \) -a \( $PACKAGE_NAME != undefined \) ]; then 
    PROJECT=$PACKAGE_NAME
fi

TARBALL=/tmp/$PROJECT-$OS-$PROJECT_VERSION.tar.gz

pax -z -wf $TARBALL -s ",^.,$PROJECT-$PROJECT_VERSION," .

echo tarball: $TARBALL