run-forever

#!/usr/bin/env ruby
# vim: syntax=ruby

require 'timeout'


timeout = (ENV['TIMEOUT'] || 2*60*60).to_i
def log str
  puts "run-forever: #{str}"
end
loop do
  log "looping.."
  pid = fork do
    log "exec'ing #{ARGV.inspect}"
    Process.exec(*ARGV)
  end
  begin
    Timeout.timeout(timeout) do
      Process.wait(pid)
    end
  rescue Timeout::Error
    log "time passed, restarting"
    Process.kill('INT', pid)
    Process.wait(pid)
  end
end