Mercurial > public > mercurial-scm > hg-stable

annotate tests/bruterebase.py @ 44304:dbbae122f5e4

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manifest: remove optional default= argument on flags(path) It had only one caller inside manifest.py, and treemanifest was actually incorrectly implemented. treemanifest is still missing the fastdelta() method from the interface (and so doesn't yet conform), but this is at least progress. Differential Revision: https://phab.mercurial-scm.org/D8069
author Augie Fackler <augie@google.com>
date Mon, 03 Feb 2020 22:16:36 -0500
parents 2372284d9457
children d2e1dcd4490d
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1 # bruterebase.py - brute force rebase testing
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2 #
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3 # Copyright 2017 Facebook, Inc.
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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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 error,
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12 registrar,
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13 revsetlang,
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14 )
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15
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16 from hgext import rebase
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17
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18 try:
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19 xrange
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20 except NameError:
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21 xrange = range
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22
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23 cmdtable = {}
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24 command = registrar.command(cmdtable)
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25
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26
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27 @command(b'debugbruterebase')
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28 def debugbruterebase(ui, repo, source, dest):
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29 """for every non-empty subset of source, run rebase -r subset -d dest
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30
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31 Print one line summary for each subset. Assume obsstore is enabled.
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32 """
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33 srevs = list(repo.revs(source))
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34
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35 with repo.wlock(), repo.lock():
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36 repolen = len(repo)
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37 cl = repo.changelog
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38
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39 def getdesc(rev):
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40 result = cl.changelogrevision(rev).description
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41 if rev >= repolen:
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42 result += b"'"
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43 return result
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44
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45 for i in xrange(1, 2 ** len(srevs)):
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46 subset = [rev for j, rev in enumerate(srevs) if i & (1 << j) != 0]
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47 spec = revsetlang.formatspec(b'%ld', subset)
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48 tr = repo.transaction(b'rebase')
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49 tr._report = lambda x: 0 # hide "transaction abort"
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50
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51 ui.pushbuffer()
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52 try:
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53 rebase.rebase(ui, repo, dest=dest, rev=[spec])
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54 except error.Abort as ex:
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55 summary = b'ABORT: %s' % ex
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56 except Exception as ex:
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57 summary = b'CRASH: %s' % ex
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58 else:
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59 # short summary about new nodes
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60 cl = repo.changelog
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61 descs = []
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62 for rev in xrange(repolen, len(repo)):
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63 desc = b'%s:' % getdesc(rev)
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64 for prev in cl.parentrevs(rev):
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65 if prev > -1:
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66 desc += getdesc(prev)
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67 descs.append(desc)
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68 descs.sort()
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69 summary = b' '.join(descs)
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70 ui.popbuffer()
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71 repo.vfs.tryunlink(b'rebasestate')
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72
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73 subsetdesc = b''.join(getdesc(rev) for rev in subset)
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74 ui.write(b'%s: %s\n' % (subsetdesc.rjust(len(srevs)), summary))
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75 tr.abort()