Pierre-Yves David <pierre-yves.david@octobus.net> [Thu, 23 May 2019 11:19:48 +0200] rev 42400
perf: add a --from flag to perfmergecalculate
Before this change, `perfmergecalculate` was always benchmarking the merge of
the working copy with another revision. We can now benchmark the
`mergecalculate` call for any arbitrary pair of revision.