view tests/failfilemerge.py @ 45147:c2c862b9b544

tests: make pipes / PTYs non-inheritable in test-stdio.py

A following patch requires that to test closing the receiving end of the pipe /
PTYs.

Even for existing tests, it might be safer to make the lifetime of the pipes /
PTYs as short as possible.

# extension to emulate interrupting filemerge._filemerge

from __future__ import absolute_import

from mercurial import (
    error,
    extensions,
    filemerge,
)


def failfilemerge(
    filemergefn, premerge, repo, wctx, mynode, orig, fcd, fco, fca, labels=None
):
    raise error.Abort("^C")
    return filemergefn(premerge, repo, mynode, orig, fcd, fco, fca, labels)


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