view tests/failfilemerge.py @ 51926:70fe33bdab54

typing: add type hints for the overloads of `matchmod.readpatternfile()`

The return type is conditional on an argument passed, and it very much confused
both pytype and PyCharm inside `dirstate._ignorefileandline()` after adding
type hints for the return value there.

# 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)