run-tests: also highlight .py test files in summary messages
With the .t files highlighted, it's very easy to not even notice
failed .py tests.
Differential Revision: https://phab.mercurial-scm.org/D471
test-revset: make it work with chg
chg currently triggers `reposetup` as a side effect of `hg serve` command.
Therefore change the test to not output during `reposetup` to be compatible
with chg.
Differential Revision: https://phab.mercurial-scm.org/D455
copies: use intersectmatchers() in non-merge p1 optimization
This enables the optimization introduced by
d4247c306d82 for non-rebase cases.
Before, the match couldn't be narrowed if it was e.g. alwaysmatcher.
The logic is copied from
bd56bea5ecf8.