view tests/failfilemerge.py @ 47660:aa2296893168

upgrade: avoid a traceback in case of unrecognized revlog

Without this, in case of revlog name not matching any know pattern we would get
a traceback. Raising a clear error seems simpler.

Differential Revision: https://phab.mercurial-scm.org/D11202

# 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)