util: make capacity a public attribute on lrucachedict
So others can query it. Useful for operations that may want to verify
the cache has capacity for N items before it performs an operation that
may cause cache eviction.
Differential Revision: https://phab.mercurial-scm.org/D4499
# 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)