view tests/failfilemerge.py @ 48581:4f01821fa0ec stable

unamend: error out when running on merge commit

It's better to error out than to produce a bad commit. We do that same
in `hg uncommit`. I haven't looked into how much work it is to make
them work instead.

Differential Revision: https://phab.mercurial-scm.org/D12087

# 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)