ui: add a "config_default" method
This allow code to access the expected value for a config. This is useful in the
context of dynamic default value, and short term it will be useful to write
dynamically "correct" code.
Differential Revision: https://phab.mercurial-scm.org/D9759
# 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)