Mercurial > hg
annotate contrib/dirstatenonnormalcheck.py @ 45587:768412472663
merge: store cases when a file is absent post merge in commitinfo
Some merges can result in file being absent form working directory. This can be
one of file was kept deleted or file was removed by merge code.
User might revert the file back before committing. In such cases we will like to
have better handling and create new filenodes.
We store this info in mergestate as commitinfo so that we can use it while
committing to create new filenode if required.
Differential Revision: https://phab.mercurial-scm.org/D9003
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Mon, 24 Aug 2020 15:35:34 +0530 |
parents | 2372284d9457 |
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1 # dirstatenonnormalcheck.py - extension to check the consistency of the |
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2 # dirstate's non-normal map |
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3 # |
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4 # For most operations on dirstate, this extensions checks that the nonnormalset |
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5 # contains the right entries. |
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6 # It compares the nonnormal file to a nonnormalset built from the map of all |
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7 # the files in the dirstate to check that they contain the same files. |
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8 |
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9 from __future__ import absolute_import |
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10 |
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11 from mercurial import ( |
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12 dirstate, |
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13 extensions, |
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14 ) |
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15 |
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16 |
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17 def nonnormalentries(dmap): |
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18 """Compute nonnormal entries from dirstate's dmap""" |
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19 res = set() |
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20 for f, e in dmap.iteritems(): |
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21 if e[0] != b'n' or e[3] == -1: |
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22 res.add(f) |
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23 return res |
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24 |
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25 |
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26 def checkconsistency(ui, orig, dmap, _nonnormalset, label): |
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27 """Compute nonnormalset from dmap, check that it matches _nonnormalset""" |
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28 nonnormalcomputedmap = nonnormalentries(dmap) |
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29 if _nonnormalset != nonnormalcomputedmap: |
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30 ui.develwarn(b"%s call to %s\n" % (label, orig), config=b'dirstate') |
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31 ui.develwarn(b"inconsistency in nonnormalset\n", config=b'dirstate') |
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32 ui.develwarn(b"[nonnormalset] %s\n" % _nonnormalset, config=b'dirstate') |
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33 ui.develwarn(b"[map] %s\n" % nonnormalcomputedmap, config=b'dirstate') |
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34 |
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35 |
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36 def _checkdirstate(orig, self, arg): |
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37 """Check nonnormal set consistency before and after the call to orig""" |
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38 checkconsistency( |
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39 self._ui, orig, self._map, self._map.nonnormalset, b"before" |
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40 ) |
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41 r = orig(self, arg) |
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42 checkconsistency( |
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43 self._ui, orig, self._map, self._map.nonnormalset, b"after" |
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44 ) |
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45 return r |
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46 |
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47 |
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48 def extsetup(ui): |
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49 """Wrap functions modifying dirstate to check nonnormalset consistency""" |
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50 dirstatecl = dirstate.dirstate |
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51 devel = ui.configbool(b'devel', b'all-warnings') |
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52 paranoid = ui.configbool(b'experimental', b'nonnormalparanoidcheck') |
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53 if devel: |
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54 extensions.wrapfunction(dirstatecl, '_writedirstate', _checkdirstate) |
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55 if paranoid: |
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56 # We don't do all these checks when paranoid is disable as it would |
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57 # make the extension run very slowly on large repos |
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58 extensions.wrapfunction(dirstatecl, 'normallookup', _checkdirstate) |
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59 extensions.wrapfunction(dirstatecl, 'otherparent', _checkdirstate) |
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60 extensions.wrapfunction(dirstatecl, 'normal', _checkdirstate) |
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61 extensions.wrapfunction(dirstatecl, 'write', _checkdirstate) |
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62 extensions.wrapfunction(dirstatecl, 'add', _checkdirstate) |
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63 extensions.wrapfunction(dirstatecl, 'remove', _checkdirstate) |
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64 extensions.wrapfunction(dirstatecl, 'merge', _checkdirstate) |
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65 extensions.wrapfunction(dirstatecl, 'drop', _checkdirstate) |