view tests/failfilemerge.py @ 44519:52d40f8fb82d

rust-matchers: add function to generate a regex matcher function

This function will be used to help build the upcoming `IncludeMatcher`. While
Re2 is still used and behind a feature flag, this function returns an error
meant for fallback in the default case.

Differential Revision: https://phab.mercurial-scm.org/D7922

# 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)