rust-index: remove one collect when converting back Turns out this is slightly faster. Sending the results back to Python is still the most costly (like 75% of the time) of the whole method, but it's about as fast as it can be now. hg perf::phases on mozilla-try-2023-03-22 before: 0.267114 after: 0.247101

     1

from mercurial.i18n import _

     2

from mercurial import changegroup, error, extensions

     3

     4

     5

def abort(orig, *args, **kwargs):

     6

    raise error.Abort(_('this is an exercise'))

     7

     8

     9

def uisetup(ui):

    10

    extensions.wrapfunction(changegroup, 'getbundler', abort)