192                 for rev in roots:

   192                 for rev in roots:

   193                     revs[rev] = phase

   193                     revs[rev] = phase

   194                 for rev in repo.changelog.descendants(roots):

   194                 for rev in repo.changelog.descendants(roots):

   195                     revs[rev] = phase

   195                     revs[rev] = phase

   196 

   196 

   198         if self._phaserevs is None:

   199         if self._phaserevs is None:

   199             try:

   200             try:

   200                 if repo.ui.configbool('experimental',

   201                 if repo.ui.configbool('experimental',

   201                                       'nativephaseskillswitch'):

   202                                       'nativephaseskillswitch'):

   202                     self._computephaserevspure(repo)

   203                     self._computephaserevspure(repo)

   203                 else:

   204                 else:

   204                     res = self._getphaserevsnative(repo)

   205                     res = self._getphaserevsnative(repo)

   205                     self._phaserevs, self._phasesets = res

   206                     self._phaserevs, self._phasesets = res

   206             except AttributeError:

   207             except AttributeError:

   207                 self._computephaserevspure(repo)

   208                 self._computephaserevspure(repo)

   209 

   209 

   210     def invalidate(self):

   210     def invalidate(self):

   211         self._phaserevs = None

   211         self._phaserevs = None

   212         self._phasesets = None

   212         self._phasesets = None

   213 

   213 

   231             return public

   231             return public

   232         if rev < nullrev:

   232         if rev < nullrev:

   233             raise ValueError(_('cannot lookup negative revision'))

   233             raise ValueError(_('cannot lookup negative revision'))

   234         if self._phaserevs is None or rev >= len(self._phaserevs):

   234         if self._phaserevs is None or rev >= len(self._phaserevs):

   235             self.invalidate()

   235             self.invalidate()

   237         return self._phaserevs[rev]

   237         return self._phaserevs[rev]

   238 

   238 

   239     def write(self):

   239     def write(self):

   240         if not self.dirty:

   240         if not self.dirty:

   241             return

   241             return