On Aug 18, 2008, at 12:41 AM, Junio C Hamano wrote:
If you have bunch of commits A B C D E F and if you would want to know
which one of them is reachable from X, you could of course run merge-
base
once for each of A..F. Another way to do this would be to run:
git rev-list A B C D E F ^X
and look at the output. The ones among A..F that appear in the
output are
not reachable from X. The ones that are reachable from X do not
appear in
the output.
This is because "rev-list" outputs everything reachable from the given
commits without ^ prefix, excluding the ones that are reacahble from
the
ones prefixed with ^.
Perfect! Now... is there built-in way to invert this to list those
that 'are' reachable..... Or would the inverse really end up
calculating the difference between input list and output list?
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