Mercurial > hg
annotate contrib/debugshell.py @ 28556:0706d60d070f
cache: remove branch revision file before rewriting the branch name file
New branch names are usually appended to the branch name file. If that fails or
the file has been modified by another process, it is rewritten. That left a
small opportunity that there could be references to non-existent entries in the
file while it was rewritten.
To avoid that, remove the revision branch cache file with the references to the
branch name file before rewriting the branch name file. Worst case, when
interrupted at the wrong time, the cache will be lost and rebuilt next time.
It is unknown if this fixes a real problem that ever happened.
author | Mads Kiilerich <madski@unity3d.com> |
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date | Sun, 13 Mar 2016 02:06:21 +0100 |
parents | e28dc6de38e7 |
children | 844f72885fb9 |
rev | line source |
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11633 | 1 # debugshell extension |
2 """a python shell with repo, changelog & manifest objects""" | |
3 | |
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4 from __future__ import absolute_import |
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5 import code |
11633 | 6 import mercurial |
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7 import sys |
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8 from mercurial import ( |
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9 cmdutil, |
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10 demandimport, |
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11 ) |
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12 |
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13 cmdtable = {} |
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14 command = cmdutil.command(cmdtable) |
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16 def pdb(ui, repo, msg, **opts): |
11633 | 17 objects = { |
18 'mercurial': mercurial, | |
19 'repo': repo, | |
20 'cl': repo.changelog, | |
21 'mf': repo.manifest, | |
22 } | |
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23 |
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24 code.interact(msg, local=objects) |
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25 |
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26 def ipdb(ui, repo, msg, **opts): |
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27 import IPython |
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28 |
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29 cl = repo.changelog |
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30 mf = repo.manifest |
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31 cl, mf # use variables to appease pyflakes |
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32 |
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33 IPython.embed() |
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34 |
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35 @command('debugshell|dbsh', []) |
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36 def debugshell(ui, repo, **opts): |
11633 | 37 bannermsg = "loaded repo : %s\n" \ |
38 "using source: %s" % (repo.root, | |
39 mercurial.__path__[0]) | |
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40 |
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41 pdbmap = { |
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42 'pdb' : 'code', |
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43 'ipdb' : 'IPython' |
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44 } |
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45 |
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46 debugger = ui.config("ui", "debugger") |
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47 if not debugger: |
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48 debugger = 'pdb' |
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49 |
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50 # if IPython doesn't exist, fallback to code.interact |
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51 try: |
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52 with demandimport.deactivated(): |
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53 __import__(pdbmap[debugger]) |
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54 except ImportError: |
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55 ui.warn("%s debugger specified but %s module was not found\n" |
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56 % (debugger, pdbmap[debugger])) |
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57 debugger = 'pdb' |
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58 |
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59 getattr(sys.modules[__name__], debugger)(ui, repo, bannermsg, **opts) |