annotate tests/fakedirstatewritetime.py @ 39859:32d3ed3023bb

upgrade: use rawsize() instead of revlog index The revlog index is a very low-level data structure and it shouldn't be exposed to the storage interface - at least not in its current form. upgrade.py is the only consumer of the index attribute on file storage in the repository. This commit rewrites that final consumer to use rawsize() instead of going through the index. This is actually the more proper API to use, as rawsize() will accurately report the size of revisions which have a negative size in the index. Differential Revision: https://phab.mercurial-scm.org/D4719
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 24 Sep 2018 09:38:27 -0700
parents c6061cadb400
children fdd4d668ceb5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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)