view tests/failfilemerge.py @ 38642:e59e27e52297

revlog: add function to slice chunk down to a given size

It is possible to encounter situations where the slicing based on density did
not achieve chunk smaller than the 4*textlength limit. To avoid extra memory
consumption in those cases, we need to be able to break down chunk to a given
size. Actual caller comes in the next changesets.

# 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)