Which is probably slightly inconsistent (although I seriously doubt
anybody really cares - when we simplify a merge we obvioously do it
exactly because the parents are identical wrt the files we are following).
Most of the rest of commit traversal tend to have a rule that says
"traverse youngest parent first", simply by virtue of the fact that
revlist() normally pops off the queue in date order. But Jakub is
certainly correct that when we do "^" we just take the first one.
And "gitweb" does consider the first one special, since it shows diffs
against that one (although I've argued that it probably shouldn't, and
that there should be some way to show branches against arbitrary parents)
So we're a bit confused. Not that it probably really ever matters. We
might as well say that parent order is random, and that our "random number
generators" are pretty damn lazy ;)
Linus
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