view tests/failfilemerge.py @ 49349:5e53ecbc308f

rust: add IntersectionMatcher

This will be used in the upcoming support for sparse checkouts in
Rust-augmented status and later in rhg support for sparse checkouts.

# 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)