casa-mp-base

--- lib/update.js.orig  2013-06-21 13:44:01.000000000 +0200

+++ lib/update.js   2013-06-26 21:18:40.000000000 +0200

@@ -35,6 +35,14 @@

         , req = ww[4]

         , url = require('url')

+      if (what.match(/^npm@/) && where.match(/@@NPM_PATH_JSREGEX@@/)) {

+        log.error("Trying to update '" + what + "' in '" + where + "'")

+        log.error("which is part of the MacPorts npm base installation.")

+        log.error("To update npm please run:")

+        log.error("sudo port selfupdate && sudo port upgrade npm\n")

+        return cb()

+      }

+

       // use the initial installation method (repo, tar, git) for updating

       if (url.parse(req).protocol) what = req

       npm.commands.install(where, what, cb)