Mercurial > hg
annotate tests/bruterebase.py @ 46924:ca0049946e9a
split: avoid strip if split is a no-op (identical to original)
Differential Revision: https://phab.mercurial-scm.org/D10389
author | Kyle Lippincott <spectral@google.com> |
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date | Mon, 12 Apr 2021 19:25:34 -0700 |
parents | d2e1dcd4490d |
children | 7a430116f639 |
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33708 | 1 # bruterebase.py - brute force rebase testing |
2 # | |
3 # Copyright 2017 Facebook, Inc. | |
4 # | |
5 # This software may be used and distributed according to the terms of the | |
6 # GNU General Public License version 2 or any later version. | |
7 | |
8 from __future__ import absolute_import | |
9 | |
10 from mercurial import ( | |
11 error, | |
12 registrar, | |
13 revsetlang, | |
14 ) | |
15 | |
16 from hgext import rebase | |
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 |
33708 | 23 cmdtable = {} |
24 command = registrar.command(cmdtable) | |
25 | |
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26 |
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27 @command(b'debugbruterebase') |
33708 | 28 def debugbruterebase(ui, repo, source, dest): |
29 """for every non-empty subset of source, run rebase -r subset -d dest | |
30 | |
31 Print one line summary for each subset. Assume obsstore is enabled. | |
32 """ | |
33 srevs = list(repo.revs(source)) | |
34 | |
35 with repo.wlock(), repo.lock(): | |
36 repolen = len(repo) | |
37 cl = repo.changelog | |
38 | |
39 def getdesc(rev): | |
40 result = cl.changelogrevision(rev).description | |
41 if rev >= repolen: | |
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42 result += b"'" |
33708 | 43 return result |
44 | |
45 for i in xrange(1, 2 ** len(srevs)): | |
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" |
33708 | 50 |
51 ui.pushbuffer() | |
52 try: | |
53 rebase.rebase(ui, repo, dest=dest, rev=[spec]) | |
54 except error.Abort as ex: | |
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55 summary = b'ABORT: %s' % ex.message |
33708 | 56 except Exception as ex: |
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57 summary = b'CRASH: %s' % ex |
33708 | 58 else: |
59 # short summary about new nodes | |
60 cl = repo.changelog | |
61 descs = [] | |
62 for rev in xrange(repolen, len(repo)): | |
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63 desc = b'%s:' % getdesc(rev) |
33708 | 64 for prev in cl.parentrevs(rev): |
65 if prev > -1: | |
66 desc += getdesc(prev) | |
67 descs.append(desc) | |
68 descs.sort() | |
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69 summary = b' '.join(descs) |
33708 | 70 ui.popbuffer() |
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71 repo.vfs.tryunlink(b'rebasestate') |
33708 | 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)) |
33708 | 75 tr.abort() |