title: What are the main differences betwen repo and jiri?
body: <p>Google has been promoting since some time <a href="https://code.google.com/archive/p/git-repo/" rel="noreferrer">repo</a> in Android context and has been adopted for some other projects non Android related.</p>
  
  <p>In Google's operating system Fuchsia <a href="https://fuchsia.googlesource.com/jiri/" rel="noreferrer">Jiri</a> is being introduced.</p>
  
  <p>What is the backround of these two tools?
  If they don't solve the same problem, what are their targets?</p>