install_node.sh

#!/usr/bin/env bash

if [ -z $1 ]; then
  echo "please pass me a version number!"
  exit 1
fi

VERSION="$1"
DIR="node-v$VERSION-linux-x64"
URL="https://nodejs.org/dist/v$VERSION/$DIR.tar.gz"

TMP_DIR="/tmp"
TMP_FILE="node.tar.gz"
TMP_OUT="$TMP_DIR/$TMP_FILE"

# download the latest
echo "Downloading $URL"
curl -s -o $TMP_OUT $URL

# extract the files
cd $TMP_DIR
echo "moved to $PWD"

echo "extracting..."
tar -xzf $TMP_FILE &> /dev/null

if [ ! -d $DIR ]; then
  echo "directory $DIR doesn't exist. maybe an extraction error?"
  echo "bye :("
  exit 1
fi

echo "syncing node files"
rsync -a --exclude=README.md --exclude=LICENSE --exclude=CHANGELOG.md $DIR/ /usr/local

rm -r $TMP_FILE $DIR