casa-mp-base

--- lib/update.js.orig  1985-10-26 08:15:00.000000000 +0000

+++ lib/update.js   2018-04-24 15:59:30.000000000 +0000

@@ -58,10 +58,17 @@

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

       const where = (ww.dep.parent && ww.dep.parent.path) || ww.dep.path

-      const isTransitive = !(ww.dep.requiredBy || []).some((p) => p.isTop)

-      const key = where + ':' + String(isTransitive)

-      if (!toInstall[key]) toInstall[key] = {where: where, opts: {saveOnlyLock: isTransitive}, what: []}

-      if (toInstall[key].what.indexOf(ww.what) === -1) toInstall[key].what.push(ww.what)

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

+        log.error("Trying to update '" + ww.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 npm6\n")

+      } else {

+        const isTransitive = !(ww.dep.requiredBy || []).some((p) => p.isTop)

+        const key = where + ':' + String(isTransitive)

+        if (!toInstall[key]) toInstall[key] = {where: where, opts: {saveOnlyLock: isTransitive}, what: []}

+        if (toInstall[key].what.indexOf(ww.what) === -1) toInstall[key].what.push(ww.what)

+      }

     })

     return Bluebird.each(Object.keys(toInstall), (key) => {

       const deps = toInstall[key]