include setup script for jenkins in the repo

scripts/jenkins.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+lockpath="/var/lock/setup_nodejs"
+
+# pass a file name to aquire a lock
+function get_lock {
+  echo "attempting to get a lock on $lockpath"
+  lockfile -5 -r 120 "$lockpath"
+  if [[ $? -gt 0 ]]; then
+    echo "failed to get lock file $lockpath within 10 minutes"
+    exit 1;
+  else
+    echo "acquired lock file $lockpath"
+  fi
+}
+
+# clear all aquired locks
+function release_lock {
+  rm -f "$lockpath"
+  echo "cleared lock file $lockpath"
+}
+
+# install a specific version of Node and the latest version of NPM within that install
+function install_node {
+  local version=$1
+
+  if [[ $(type -t nvm) != "function" ]]; then
+    source /mnt/jenkins/nvm/nvm.sh
+    ulimit -c unlimited
+  fi
+
+  nvm use "$version"
+  NVM_USE_CODE=$?
+
+  if [[ $NVM_USE_CODE -gt 0 ]]; then
+    # nvm use failed
+    echo "installing node $version";
+    crit nvm install "$version";
+    # fresh installs should include npm, but lets check anyway
+  fi
+
+  if [[ "$(which npm)" == "" ]]; then
+    echo "npm is missing, reinstalling node version $version";
+    crit nvm deactivate;
+    crit nvm uninstall "$version";
+    install_node "$version";
+    return
+  fi
+}
+
+
+get_lock
+install_node 0.10
+npm install
+release_lock
+
+node ./scripts/ci.js