merge-actions: make merge action a full featured object
This open the way for having "smarter" value as action, making the usage code
simpler and more flexible.
We have to explicitly use __bytes__ call in a couple of place because Python2…
Differential Revision: https://phab.mercurial-scm.org/D12114
# extension to emulate interrupting filemerge._filemerge
from __future__ import absolute_import
from mercurial import (
error,
extensions,
filemerge,
)
def failfilemerge(*args, **kwargs):
raise error.Abort(b"^C")
def extsetup(ui):
extensions.wrapfunction(filemerge, 'filemerge', failfilemerge)