Upgrade npm to 1.4.4 with Salt

init.sls

# git is needed for npm if you have git references
build-essential:
  pkg:
    - installed

npm-custom:
  git.latest:
    - name: https://github.com/isaacs/npm.git
    - target: /opt/npm
    - rev: v1.4.4
    
remove-npm-ca:
  cmd.wait:
    - name: "echo 'ca=null' >> ~/.npmrc"
    - watch:
      - git: npm-custom
      - pkg: build-essential

npm-install:
  cmd.wait:
    - name: make clean install
    - cwd: /opt/npm/
    - watch:
      - cmd: remove-npm-ca

npm-post-install:
  cmd.wait:
    - name: npm config delete ca
    - cwd: /opt/npm/
    - watch:
      - cmd: npm-install