Mercurial > hg
annotate mercurial/dirstateguard.py @ 40767:33d30fb1e4ae
push: config option to control behavior when pushing to a publishing server
Pushing to a publishing server by mistake can lead to a difficult situation to
solve because evolution doesn't work on public changesets. This new
experimental config tries to help avoiding unintentionally (or at least being
aware of) pushing to publishing remotes.
`hg push --publish` can be used to make push succeed even when auto-publish is
set to 'abort'.
author | Anton Shestakov <av6@dwimlabs.net> |
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date | Mon, 05 Nov 2018 13:52:19 +0800 |
parents | ad24b581e4d9 |
children | b74481038438 |
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1 # dirstateguard.py - class to allow restoring dirstate after failure |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 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 .i18n import _ |
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11 |
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12 from . import ( |
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13 error, |
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14 narrowspec, |
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15 util, |
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16 ) |
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17 |
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18 class dirstateguard(util.transactional): |
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19 '''Restore dirstate at unexpected failure. |
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20 |
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21 At the construction, this class does: |
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22 |
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23 - write current ``repo.dirstate`` out, and |
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24 - save ``.hg/dirstate`` into the backup file |
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25 |
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26 This restores ``.hg/dirstate`` from backup file, if ``release()`` |
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27 is invoked before ``close()``. |
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28 |
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29 This just removes the backup file at ``close()`` before ``release()``. |
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30 ''' |
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31 |
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32 def __init__(self, repo, name): |
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33 self._repo = repo |
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34 self._active = False |
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35 self._closed = False |
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36 self._backupname = 'dirstate.backup.%s.%d' % (name, id(self)) |
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37 self._narrowspecbackupname = ('narrowspec.backup.%s.%d' % |
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38 (name, id(self))) |
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39 repo.dirstate.savebackup(repo.currenttransaction(), self._backupname) |
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40 narrowspec.savebackup(repo, self._narrowspecbackupname) |
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41 self._active = True |
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42 |
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43 def __del__(self): |
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44 if self._active: # still active |
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45 # this may occur, even if this class is used correctly: |
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46 # for example, releasing other resources like transaction |
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47 # may raise exception before ``dirstateguard.release`` in |
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48 # ``release(tr, ....)``. |
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49 self._abort() |
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50 |
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51 def close(self): |
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52 if not self._active: # already inactivated |
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53 msg = (_("can't close already inactivated backup: %s") |
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54 % self._backupname) |
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55 raise error.Abort(msg) |
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56 |
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57 self._repo.dirstate.clearbackup(self._repo.currenttransaction(), |
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58 self._backupname) |
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59 narrowspec.clearbackup(self._repo, self._narrowspecbackupname) |
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60 self._active = False |
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61 self._closed = True |
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62 |
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63 def _abort(self): |
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64 narrowspec.restorebackup(self._repo, self._narrowspecbackupname) |
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65 self._repo.dirstate.restorebackup(self._repo.currenttransaction(), |
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66 self._backupname) |
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67 self._active = False |
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68 |
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69 def release(self): |
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70 if not self._closed: |
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71 if not self._active: # already inactivated |
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72 msg = (_("can't release already inactivated backup: %s") |
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73 % self._backupname) |
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74 raise error.Abort(msg) |
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75 self._abort() |