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# extension to emulate invoking 'dirstate.write()' at the time
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# specified by '[fakedirstatewritetime] fakenow', only when
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# 'dirstate.write()' is invoked via functions below:
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#
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# - 'workingctx._poststatusfixup()' (= 'repo.status()')
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# - 'committablectx.markcommitted()'
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from __future__ import absolute_import
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from mercurial import (
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context,
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dirstate,
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extensions,
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policy,
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registrar,
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)
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from mercurial.utils import dateutil
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try:
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from mercurial import rustext
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rustext.__name__ # force actual import (see hgdemandimport)
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except ImportError:
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rustext = None
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configtable = {}
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configitem = registrar.configitem(configtable)
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configitem(
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b'fakedirstatewritetime', b'fakenow', default=None,
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)
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parsers = policy.importmod(r'parsers')
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rustmod = policy.importrust(r'parsers')
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def pack_dirstate(fakenow, orig, dmap, copymap, pl, now):
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# execute what original parsers.pack_dirstate should do actually
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# for consistency
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actualnow = int(now)
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for f, e in dmap.items():
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if e[0] == 'n' and e[3] == actualnow:
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e = parsers.dirstatetuple(e[0], e[1], e[2], -1)
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dmap[f] = e
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return orig(dmap, copymap, pl, fakenow)
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def fakewrite(ui, func):
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# fake "now" of 'pack_dirstate' only if it is invoked while 'func'
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fakenow = ui.config(b'fakedirstatewritetime', b'fakenow')
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if not fakenow:
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# Execute original one, if fakenow isn't configured. This is
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# useful to prevent subrepos from executing replaced one,
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# because replacing 'parsers.pack_dirstate' is also effective
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# in subrepos.
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return func()
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# parsing 'fakenow' in YYYYmmddHHMM format makes comparison between
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# 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy
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fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0]
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if rustmod is not None:
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# The Rust implementation does not use public parse/pack dirstate
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# to prevent conversion round-trips
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orig_dirstatemap_write = dirstate.dirstatemap.write
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wrapper = lambda self, st, now: orig_dirstatemap_write(
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self, st, fakenow
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)
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dirstate.dirstatemap.write = wrapper
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orig_dirstate_getfsnow = dirstate._getfsnow
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wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args)
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orig_module = parsers
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orig_pack_dirstate = parsers.pack_dirstate
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orig_module.pack_dirstate = wrapper
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dirstate._getfsnow = lambda *args: fakenow
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try:
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return func()
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finally:
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orig_module.pack_dirstate = orig_pack_dirstate
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dirstate._getfsnow = orig_dirstate_getfsnow
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if rustmod is not None:
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dirstate.dirstatemap.write = orig_dirstatemap_write
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def _poststatusfixup(orig, workingctx, status, fixup):
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ui = workingctx.repo().ui
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return fakewrite(ui, lambda: orig(workingctx, status, fixup))
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def markcommitted(orig, committablectx, node):
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ui = committablectx.repo().ui
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return fakewrite(ui, lambda: orig(committablectx, node))
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def extsetup(ui):
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extensions.wrapfunction(
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context.workingctx, '_poststatusfixup', _poststatusfixup
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)
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extensions.wrapfunction(context.workingctx, 'markcommitted', markcommitted)
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