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diff --git a/www/wiki/docs/kss/scripts/kss-node-check.sh b/www/wiki/docs/kss/scripts/kss-node-check.sh
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+++ b/www/wiki/docs/kss/scripts/kss-node-check.sh
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+#!/usr/bin/env bash
+
+if command -v npm > /dev/null ; then
+ npm install
+else
+ # If npm isn't installed, but kss-node is, exit normally.
+ # This allows setting it up on one machine, and running it on
+ # another (e.g. Tools Labs execution nodes) that doesn't have npm
+ # installed. However, "npm install" still needs to be run
+ # occasionally to keep kss updated.
+
+ KSS_NODE="${BASH_SOURCE%/*}/../node_modules/.bin/kss-node"
+ if ! [ -x "$KSS_NODE" ] ; then
+ echo "Neither kss-node nor npm are installed."
+ echo "To install npm, see http://nodejs.org/"
+ echo "When npm is installed, the Makefile can automatically"
+ echo "install kss-node."
+ exit 1
+ fi
+fi