Make earlygetopt return a list of all option values, use the last value. This fixes: "hg -R" showing a useful error instead of traceback "hg -R foo --repository bar" using bar instead of foo And provides a way for other users of earlygetopt to accept more than one value.

adding b
   rev    offset  length   base linkrev nodeid       p1           p2
     0         0       3      0       0 1e88685f5dde 000000000000 000000000000