#!/bin/bash -e

# DO NOT EDIT - This file is being maintained by Chef

# Change to Nominatim directory
cd <%= @bindir %>

num_cpus=`cat /proc/cpuinfo | grep -c processor`
num_cpus=$((num_cpus - 2))

while [ ! -f "<%= @update_stop_file %>" ]
do
    # Send output to the log (logrotatable)
    exec >> <%= @logfile %> 2>&1
    starttime=`date +%s`

    current_load=`cat /proc/loadavg | cut -f 2 -d ' ' | sed 's:\..*::'`

    if [[ $current_load -lt $num_cpus ]]
    then
        INST=2
    else
        INST=1
    fi

    ./utils/update.php --no-npi --import-osmosis --index-instances $INST

<% if node[:nominatim][:enable_git_updates] -%>
    pushd <%= @srcdir %>
    if git fetch origin; then
      # will trigger recompilation if necessary
      git merge origin/<%= @branch %>
    else
      echo "WARNING: git fetch failed."
    fi
    popd
<% end -%>

    # sleep a bit if updates take less than a minute
    endtime=`date +%s`
    elapsed=$((endtime - starttime))
    if [[ $elapsed -lt 60 ]]
    then
        sleepy=$((60 - $elapsed))
        echo "Sleeping for ${sleepy}s..."
        sleep $sleepy
    fi
done