revlog: stop using `atomictmp` for the split revlog
Since we already manually deal with writing on the side and delaying visibily,
we no longer need this.
from mercurial.i18n import _
from mercurial import changegroup, error, extensions
def abort(orig, *args, **kwargs):
raise error.Abort(_('this is an exercise'))
def uisetup(ui):
extensions.wrapfunction(changegroup, 'getbundler', abort)