view tests/failfilemerge.py @ 47438:1be9bf3669cb

debugbackupbundle: use new context manager for silencing the ui

A difference between setting `ui.quiet` and using `ui.silent()` is
that the latter also silences `ui.write()` calls. That's practically
always what one wants, including here, I think.

Differential Revision: https://phab.mercurial-scm.org/D10885

# 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(b"^C")
    return filemergefn(premerge, repo, mynode, orig, fcd, fco, fca, labels)


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