view tests/failfilemerge.py @ 49886:becd16690cbe

debug: add a config to abort update early

This is useful to benchmark the parts of [hg update] that come
before the parallel worker.

# extension to emulate interrupting filemerge._filemerge


from mercurial import (
    error,
    extensions,
    filemerge,
)


def failfilemerge(*args, **kwargs):
    raise error.Abort(b"^C")


def extsetup(ui):
    extensions.wrapfunction(filemerge, 'filemerge', failfilemerge)