view tests/failfilemerge.py @ 48584:74973a6d4e67

filemerge: always define a "base" label

It simplifies the code and improves the conflict markers to always
have the "base" label defined.

Differential Revision: https://phab.mercurial-scm.org/D12016

# extension to emulate interrupting filemerge._filemerge

from __future__ import absolute_import

from mercurial import (
    error,
    extensions,
    filemerge,
)


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


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