Suppress npm update message

Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>

no-npm-update-msg.patch

@@ -0,0 +1,16 @@
+diff '--color=auto' -ruN node-v9.11.1.orig/deps/npm/bin/npm-cli.js node-v9.11.1/deps/npm/bin/npm-cli.js
+--- node-v9.11.1.orig/deps/npm/bin/npm-cli.js	2018-04-05 00:34:51.000000000 -0400
++++ node-v9.11.1/deps/npm/bin/npm-cli.js	2018-04-09 16:57:31.595166069 -0400
+@@ -25,12 +25,6 @@
+ 
+   unsupported.checkForUnsupportedNode()
+ 
+-  if (!unsupported.checkVersion(process.version).unsupported) {
+-    var updater = require('update-notifier')
+-    var pkg = require('../package.json')
+-    updater({pkg: pkg}).notify({defer: true})
+-  }
+-
+   var path = require('path')
+   var npm = require('../lib/npm.js')
+   var npmconf = require('../lib/config/core.js')

nodejs.spec

@@ -122,6 +122,10 @@ Patch1: 0001-Disable-running-gyp-files-for-bundled-deps.patch
 # Follow https://bugs.chromium.org/p/v8/issues/detail?id=6939
 Patch2: 0001-Fix-aarch64-debug.patch
 
+# Suppress the message from npm to run `npm -g update npm`
+# This does bad things on an RPM-managed npm.
+Patch3: no-npm-update-msg.patch
+
 BuildRequires: python2-devel
 BuildRequires: libicu-devel
 BuildRequires: zlib-devel
@@ -282,6 +286,8 @@ rm -rf deps/icu-small \
 
 %patch2 -p1
 
+%patch3 -p1
+
 %build
 # build with debugging symbols and add defines from libuv (#892601)
 # Node's v8 breaks with GCC 6 because of incorrect usage of methods on