sapling/tests/fakedirstatewritetime.py
Jun Wu 77638ffcc0 treedirstate: actually enable it in tests
Summary:
Previously it is not actually used.

`test-hgext-repogenerator.t` changed because treedirstate uses random
number to generate file names.

`fakedirstatewritetime.py` was updated to be treedirstate-aware. This
makes test-revert.t test-merge-tools.t test-merge1.t pass.

Reviewed By: singhsrb

Differential Revision: D7844960

fbshipit-source-id: 33a1d0d4a8e22ea5e6bb6454956884571fcf6bab
2018-05-02 17:15:36 -07:00

91 lines
2.9 KiB
Python

# extension to emulate invoking 'dirstate.write()' at the time
# specified by '[fakedirstatewritetime] fakenow', only when
# 'dirstate.write()' is invoked via functions below:
#
# - 'workingctx._poststatusfixup()' (= 'repo.status()')
# - 'committablectx.markcommitted()'
from __future__ import absolute_import
from mercurial import (
context,
dirstate,
extensions,
policy,
registrar,
util,
)
from hgext import (
treedirstate,
)
configtable = {}
configitem = registrar.configitem(configtable)
configitem('fakedirstatewritetime', 'fakenow',
default=None,
)
parsers = policy.importmod(r'parsers')
def pack_dirstate(fakenow, orig, dmap, copymap, pl, now):
# execute what original parsers.pack_dirstate should do actually
# for consistency
actualnow = int(now)
for f, e in dmap.iteritems():
if e[0] == 'n' and e[3] == actualnow:
e = parsers.dirstatetuple(e[0], e[1], e[2], -1)
dmap[f] = e
return orig(dmap, copymap, pl, fakenow)
def fakewrite(ui, func):
# fake "now" of 'pack_dirstate' only if it is invoked while 'func'
fakenow = ui.config('fakedirstatewritetime', 'fakenow')
if not fakenow:
# Execute original one, if fakenow isn't configured. This is
# useful to prevent subrepos from executing replaced one,
# because replacing 'parsers.pack_dirstate' is also effective
# in subrepos.
return func()
# parsing 'fakenow' in YYYYmmddHHMM format makes comparison between
# 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy
fakenow = util.parsedate(fakenow, ['%Y%m%d%H%M'])[0]
orig_pack_dirstate = parsers.pack_dirstate
orig_dirstate_getfsnow = dirstate._getfsnow
wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args)
parsers.pack_dirstate = wrapper
dirstate._getfsnow = lambda *args: fakenow
try:
return func()
finally:
parsers.pack_dirstate = orig_pack_dirstate
dirstate._getfsnow = orig_dirstate_getfsnow
def _poststatusfixup(orig, workingctx, status, fixup):
ui = workingctx.repo().ui
return fakewrite(ui, lambda : orig(workingctx, status, fixup))
def markcommitted(orig, committablectx, node):
ui = committablectx.repo().ui
return fakewrite(ui, lambda : orig(committablectx, node))
def treedirstatewrite(orig, self, st, now):
ui = self._ui
fakenow = ui.config('fakedirstatewritetime', 'fakenow')
if fakenow:
now = util.parsedate(fakenow, ['%Y%m%d%H%M'])[0]
return orig(self, st, now)
def extsetup(ui):
extensions.wrapfunction(context.workingctx, '_poststatusfixup',
_poststatusfixup)
extensions.wrapfunction(context.committablectx, 'markcommitted',
markcommitted)
extensions.wrapfunction(treedirstate.treedirstatemap, 'write',
treedirstatewrite)