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f97f617524
As part of separating dirstate business logic from storage, let's move the nonnormal and otherparent storage to the dirstatemap class. This will allow alternative dirstate storage to persist these sets instead of recomputing them. Differential Revision: https://phab.mercurial-scm.org/D979
59 lines
2.6 KiB
Python
59 lines
2.6 KiB
Python
# dirstatenonnormalcheck.py - extension to check the consistency of the
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# dirstate's non-normal map
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#
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# For most operations on dirstate, this extensions checks that the nonnormalset
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# contains the right entries.
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# It compares the nonnormal file to a nonnormalset built from the map of all
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# the files in the dirstate to check that they contain the same files.
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from __future__ import absolute_import
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from mercurial import (
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dirstate,
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extensions,
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)
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def nonnormalentries(dmap):
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"""Compute nonnormal entries from dirstate's dmap"""
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res = set()
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for f, e in dmap.iteritems():
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if e[0] != 'n' or e[3] == -1:
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res.add(f)
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return res
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def checkconsistency(ui, orig, dmap, _nonnormalset, label):
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"""Compute nonnormalset from dmap, check that it matches _nonnormalset"""
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nonnormalcomputedmap = nonnormalentries(dmap)
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if _nonnormalset != nonnormalcomputedmap:
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ui.develwarn("%s call to %s\n" % (label, orig), config='dirstate')
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ui.develwarn("inconsistency in nonnormalset\n", config='dirstate')
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ui.develwarn("[nonnormalset] %s\n" % _nonnormalset, config='dirstate')
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ui.develwarn("[map] %s\n" % nonnormalcomputedmap, config='dirstate')
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def _checkdirstate(orig, self, arg):
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"""Check nonnormal set consistency before and after the call to orig"""
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checkconsistency(self._ui, orig, self._map, self._map.nonnormalset,
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"before")
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r = orig(self, arg)
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checkconsistency(self._ui, orig, self._map, self._map.nonnormalset, "after")
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return r
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def extsetup(ui):
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"""Wrap functions modifying dirstate to check nonnormalset consistency"""
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dirstatecl = dirstate.dirstate
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devel = ui.configbool('devel', 'all-warnings')
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paranoid = ui.configbool('experimental', 'nonnormalparanoidcheck')
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if devel:
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extensions.wrapfunction(dirstatecl, '_writedirstate', _checkdirstate)
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if paranoid:
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# We don't do all these checks when paranoid is disable as it would
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# make the extension run very slowly on large repos
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extensions.wrapfunction(dirstatecl, 'normallookup', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'otherparent', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'normal', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'write', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'add', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'remove', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'merge', _checkdirstate)
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extensions.wrapfunction(dirstatecl, 'drop', _checkdirstate)
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