snapshot: extract parent chain computation
The final step of this series is to include chain related to "prev" in the
search. Before adding that code we do some simple code movement to clarify the
next diff.
# extension to emulate invoking 'patch.internalpatch()' at the time
# specified by '[fakepatchtime] fakenow'
from __future__ import absolute_import
from mercurial import (
extensions,
patch as patchmod,
registrar,
)
from mercurial.utils import dateutil
configtable = {}
configitem = registrar.configitem(configtable)
configitem(b'fakepatchtime', b'fakenow',
default=None,
)
def internalpatch(orig, ui, repo, patchobj, strip,
prefix=b'', files=None,
eolmode=b'strict', similarity=0):
if files is None:
files = set()
r = orig(ui, repo, patchobj, strip,
prefix=prefix, files=files,
eolmode=eolmode, similarity=similarity)
fakenow = ui.config(b'fakepatchtime', b'fakenow')
if fakenow:
# parsing 'fakenow' in YYYYmmddHHMM format makes comparison between
# 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy
fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0]
for f in files:
repo.wvfs.utime(f, (fakenow, fakenow))
return r
def extsetup(ui):
extensions.wrapfunction(patchmod, 'internalpatch', internalpatch)