Mercurial > hg
annotate tests/fakedirstatewritetime.py @ 26206:ab1c6e4efda4
add: pass full=False to dirstate walk
Previously cmdutil.add would call wctx.walk(), which under the hood calls
dirstate.walk with full=True. This means it returns all of the clean files
(which we don't need when computing the add set), as well as the unclean files.
This results in 1) a lot more work being done and 2) this code path
circumventing the hgwatchman extension, resulting in worse performance in
hgwatchman environments ('hg add .' went from 9s to 1.8s).
author | Durham Goode <durham@fb.com> |
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date | Wed, 09 Sep 2015 09:07:27 -0700 |
parents | 815df73abf12 |
children | 3111b45a2bbf |
rev | line source |
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25752
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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._checklookup()' (= 'repo.status()') |
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6 # - 'committablectx.markcommitted()' |
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7 |
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8 from mercurial import context, extensions, parsers, util |
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9 |
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10 def pack_dirstate(fakenow, orig, dmap, copymap, pl, now): |
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11 # execute what original parsers.pack_dirstate should do actually |
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12 # for consistency |
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13 actualnow = int(now) |
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14 for f, e in dmap.iteritems(): |
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15 if e[0] == 'n' and e[3] == actualnow: |
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16 e = parsers.dirstatetuple(e[0], e[1], e[2], -1) |
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17 dmap[f] = e |
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18 |
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19 return orig(dmap, copymap, pl, fakenow) |
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20 |
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21 def fakewrite(ui, func): |
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22 # fake "now" of 'pack_dirstate' only if it is invoked while 'func' |
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23 |
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24 fakenow = ui.config('fakedirstatewritetime', 'fakenow') |
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25 if not fakenow: |
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26 # Execute original one, if fakenow isn't configured. This is |
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27 # useful to prevent subrepos from executing replaced one, |
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28 # because replacing 'parsers.pack_dirstate' is also effective |
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29 # in subrepos. |
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30 return func() |
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31 |
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32 # parsing 'fakenow' in YYYYmmddHHMM format makes comparison between |
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33 # 'fakenow' value and 'touch -t YYYYmmddHHMM' argument easy |
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34 timestamp = util.parsedate(fakenow, ['%Y%m%d%H%M'])[0] |
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35 fakenow = float(timestamp) |
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36 |
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37 orig_pack_dirstate = parsers.pack_dirstate |
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38 wrapper = lambda *args: pack_dirstate(fakenow, orig_pack_dirstate, *args) |
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39 |
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40 parsers.pack_dirstate = wrapper |
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41 try: |
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42 return func() |
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43 finally: |
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44 parsers.pack_dirstate = orig_pack_dirstate |
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45 |
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46 def _checklookup(orig, workingctx, files): |
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47 ui = workingctx.repo().ui |
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48 return fakewrite(ui, lambda : orig(workingctx, files)) |
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49 |
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50 def markcommitted(orig, committablectx, node): |
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51 ui = committablectx.repo().ui |
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52 return fakewrite(ui, lambda : orig(committablectx, node)) |
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53 |
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54 def extsetup(ui): |
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55 extensions.wrapfunction(context.workingctx, '_checklookup', |
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56 _checklookup) |
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57 extensions.wrapfunction(context.committablectx, 'markcommitted', |
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58 markcommitted) |