view tests/failfilemerge.py @ 50035:e356e8b65d70

dirstate: use `dirstate.change_files` to scope the change in `rename`

This is the way, unless we are not actually touching the working copy.
In such cases we don't need to do something.

# 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)