view tests/failfilemerge.py @ 51018:720e5a5f2b95

stream-clone: use `revlog.reading` in `revlog.get_streams`

We can get the same result while using more standard method, so we do.

# 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)