annotate tests/fakedirstatewritetime.py @ 40413:1ddd202c47d9

help: allow hiding of help topics Differential Revision: https://phab.mercurial-scm.org/D5077
author rdamazio@google.com
date Sat, 13 Oct 2018 05:43:39 -0700
parents c6061cadb400
children fdd4d668ceb5
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1 # extension to emulate invoking 'dirstate.write()' at the time
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2 # specified by '[fakedirstatewritetime] fakenow', only when
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3 # 'dirstate.write()' is invoked via functions below:
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4 #
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5 # - 'workingctx._poststatusfixup()' (= 'repo.status()')
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6 # - 'committablectx.markcommitted()'
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7
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8 from __future__ import absolute_import
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9
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10 from mercurial import (
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11 context,
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12 dirstate,
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13 extensions,
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14 policy,
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15 registrar,
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16 )
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17 from mercurial.utils import dateutil
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18
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19 configtable = {}
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20 configitem = registrar.configitem(configtable)
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21
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22 configitem(b'fakedirstatewritetime', b'fakenow',
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23 default=None,
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24 )
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25
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26 parsers = policy.importmod(r'parsers')
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27
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28 def pack_dirstate(fakenow, orig, dmap, copymap, pl, now):
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29 # execute what original parsers.pack_dirstate should do actually
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30 # for consistency
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31 actualnow = int(now)
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32 for f, e in dmap.items():
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33 if e[0] == 'n' and e[3] == actualnow:
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34 e = parsers.dirstatetuple(e[0], e[1], e[2], -1)
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35 dmap[f] = e
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36
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37 return orig(dmap, copymap, pl, fakenow)
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38
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39 def fakewrite(ui, func):
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40 # fake "now" of 'pack_dirstate' only if it is invoked while 'func'
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41
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42 fakenow = ui.config(b'fakedirstatewritetime', b'fakenow')
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43 if not fakenow:
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44 # Execute original one, if fakenow isn't configured. This is
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45 # useful to prevent subrepos from executing replaced one,
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46 # because replacing 'parsers.pack_dirstate' is also effective
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47 # in subrepos.
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48 return func()
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49
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50 # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between
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51 # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy
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52 fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0]
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53
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54 orig_pack_dirstate = parsers.pack_dirstate
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55 orig_dirstate_getfsnow = dirstate._getfsnow
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56 wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args)
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57
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58 parsers.pack_dirstate = wrapper
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59 dirstate._getfsnow = lambda *args: fakenow
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60 try:
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61 return func()
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62 finally:
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63 parsers.pack_dirstate = orig_pack_dirstate
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64 dirstate._getfsnow = orig_dirstate_getfsnow
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65
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66 def _poststatusfixup(orig, workingctx, status, fixup):
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67 ui = workingctx.repo().ui
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68 return fakewrite(ui, lambda : orig(workingctx, status, fixup))
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69
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70 def markcommitted(orig, committablectx, node):
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71 ui = committablectx.repo().ui
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72 return fakewrite(ui, lambda : orig(committablectx, node))
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73
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74 def extsetup(ui):
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75 extensions.wrapfunction(context.workingctx, '_poststatusfixup',
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76 _poststatusfixup)
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77 extensions.wrapfunction(context.committablectx, 'markcommitted',
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78 markcommitted)