==> Creating clean working copy [build]...done
==> Making package: bokken-hg r421.5e63448608c0-1 (Sat Oct 10 11:42:58 EDT 2015)
==> Retrieving sources...
  -> Cloning bokken hg repo...
/usr/sbin/makepkg: line 640: hg: command not found
==> ERROR: Failure while downloading bokken hg repo
    Aborting...
==> ERROR: Could not download sources.