comparison mercurial/phases.py @ 22894:c40be72dc177

phases: move root phase assignment to it's own function

This moves the initial root phase assignment to it's own function. Future
patches which make phase calculations lazy will use this function to pre-fill
certain phases which can be deduced from the roots.

22893:9672f0b2cdd9

    def getphaserevs(self, repo):
        if self._phaserevs is None:
            repo = repo.unfiltered()
            revs = [public] * len(repo.changelog)
            for phase in trackedphases:
                roots = map(repo.changelog.rev, self.phaseroots[phase])
                if roots:
                    for rev in roots:
                        revs[rev] = phase
                    for rev in repo.changelog.descendants(roots):
                        revs[rev] = phase
            self._phaserevs = revs
        return self._phaserevs
    def invalidate(self):
        self._phaserevs = None

    def phase(self, repo, rev):
        # We need a repo argument here to be able to build _phaserevs
        # if necessary. The repository instance is not stored in
        # phasecache to avoid reference cycles. The changelog instance

22894:c40be72dc177

    def getphaserevs(self, repo):
        if self._phaserevs is None:
            repo = repo.unfiltered()
            revs = [public] * len(repo.changelog)
            self._phaserevs = revs
            self._populatephaseroots(repo)
            for phase in trackedphases:
                roots = map(repo.changelog.rev, self.phaseroots[phase])
                if roots:
                    for rev in roots:
                        revs[rev] = phase
                    for rev in repo.changelog.descendants(roots):
                        revs[rev] = phase
        return self._phaserevs

    def invalidate(self):
        self._phaserevs = None

    def _populatephaseroots(self, repo):
        """Fills the _phaserevs cache with phases for the roots.
        """
        cl = repo.changelog
        phaserevs = self._phaserevs
        for phase in trackedphases:
            roots = map(cl.rev, self.phaseroots[phase])
            for root in roots:
                phaserevs[root] = phase

    def phase(self, repo, rev):
        # We need a repo argument here to be able to build _phaserevs
        # if necessary. The repository instance is not stored in
        # phasecache to avoid reference cycles. The changelog instance