Mercurial > hg
annotate tests/fakedirstatewritetime.py @ 47501:8b7e47802deb
dirstate: split dirstatemap in its own file
The dirstate file is large enough and the dirstatemap is quite insulated logic
already.
Differential Revision: https://phab.mercurial-scm.org/D10934
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 02 Jul 2021 02:27:48 +0200 |
parents | 89a2afe31e82 |
children | 84391ddf4c78 |
rev | line source |
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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 dirstatemap as dirstatemapmod, |
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14 extensions, |
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15 policy, |
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16 registrar, |
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17 ) |
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18 from mercurial.utils import dateutil |
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19 |
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20 try: |
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21 from mercurial import rustext |
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22 |
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23 rustext.__name__ # force actual import (see hgdemandimport) |
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24 except ImportError: |
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25 rustext = None |
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26 |
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27 configtable = {} |
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28 configitem = registrar.configitem(configtable) |
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29 |
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30 configitem( |
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31 b'fakedirstatewritetime', |
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32 b'fakenow', |
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33 default=None, |
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34 ) |
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35 |
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36 parsers = policy.importmod('parsers') |
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37 rustmod = policy.importrust('parsers') |
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38 |
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39 |
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40 def pack_dirstate(fakenow, orig, dmap, copymap, pl, now): |
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41 # execute what original parsers.pack_dirstate should do actually |
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42 # for consistency |
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43 actualnow = int(now) |
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44 for f, e in dmap.items(): |
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45 if e[0] == 'n' and e[3] == actualnow: |
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46 e = parsers.dirstatetuple(e[0], e[1], e[2], -1) |
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47 dmap[f] = e |
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48 |
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49 return orig(dmap, copymap, pl, fakenow) |
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50 |
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51 |
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52 def fakewrite(ui, func): |
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53 # fake "now" of 'pack_dirstate' only if it is invoked while 'func' |
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54 |
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55 fakenow = ui.config(b'fakedirstatewritetime', b'fakenow') |
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56 if not fakenow: |
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57 # Execute original one, if fakenow isn't configured. This is |
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58 # useful to prevent subrepos from executing replaced one, |
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59 # because replacing 'parsers.pack_dirstate' is also effective |
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60 # in subrepos. |
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61 return func() |
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62 |
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63 # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between |
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64 # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy |
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65 fakenow = dateutil.parsedate(fakenow, [b'%Y%m%d%H%M'])[0] |
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66 |
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67 if rustmod is not None: |
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68 # The Rust implementation does not use public parse/pack dirstate |
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69 # to prevent conversion round-trips |
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70 orig_dirstatemap_write = dirstatemapmod.dirstatemap.write |
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71 wrapper = lambda self, st, now: orig_dirstatemap_write( |
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72 self, st, fakenow |
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73 ) |
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74 dirstatemapmod.dirstatemap.write = wrapper |
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75 |
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76 orig_dirstate_getfsnow = dirstate._getfsnow |
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77 wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args) |
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78 |
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79 orig_module = parsers |
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80 orig_pack_dirstate = parsers.pack_dirstate |
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81 |
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82 orig_module.pack_dirstate = wrapper |
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83 dirstate._getfsnow = lambda *args: fakenow |
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84 try: |
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85 return func() |
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86 finally: |
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87 orig_module.pack_dirstate = orig_pack_dirstate |
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88 dirstate._getfsnow = orig_dirstate_getfsnow |
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89 if rustmod is not None: |
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90 dirstatemapmod.dirstatemap.write = orig_dirstatemap_write |
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91 |
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92 |
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93 def _poststatusfixup(orig, workingctx, status, fixup): |
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94 ui = workingctx.repo().ui |
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95 return fakewrite(ui, lambda: orig(workingctx, status, fixup)) |
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96 |
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97 |
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98 def markcommitted(orig, committablectx, node): |
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99 ui = committablectx.repo().ui |
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100 return fakewrite(ui, lambda: orig(committablectx, node)) |
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101 |
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102 |
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103 def extsetup(ui): |
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104 extensions.wrapfunction( |
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parents:
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105 context.workingctx, '_poststatusfixup', _poststatusfixup |
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Augie Fackler <augie@google.com>
parents:
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106 ) |
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Augie Fackler <augie@google.com>
parents:
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107 extensions.wrapfunction(context.workingctx, 'markcommitted', markcommitted) |