comparison mercurial/localrepo.py @ 4177:a7af0eeae8a3

Move branches.cache to branch.cache

Keeps old clients from conflicting with new caches, makes features
logic unnecessary.

4176:f9bbcebcacea

demandload(globals(), "os revlog time util")

class localrepository(repo.repository):
    capabilities = ('lookup', 'changegroupsubset')
    supported = ('revlogv1', 'store')
    branchcache_features = ('default',)

    def __del__(self):
        self.transhandle = None
    def __init__(self, parentui, path=None, create=0):
        repo.repository.__init__(self)

        return self.branchcache

    def _readbranchcache(self):
        partial = {}
        try:
            f = self.opener("branches.cache")
            lines = f.read().split('\n')
            f.close()
            features = lines.pop(0).strip()
            if not features.startswith('features: '):
                raise ValueError(_('branch cache: no features specified'))
            features = features.split(' ', 1)[1].split()
            missing_features = []
            for feature in self.branchcache_features:
                try:
                    features.remove(feature)
                except ValueError, inst:
                    missing_features.append(feature)
            if missing_features:
                raise ValueError(_('branch cache: missing features: %s')
                                 % ', '.join(missing_features))
            if features:
                raise ValueError(_('branch cache: unknown features: %s')
                                 % ', '.join(features))
            last, lrev = lines.pop(0).split(" ", 1)
            last, lrev = bin(last), int(lrev)
            if not (lrev < self.changelog.count() and
                    self.changelog.node(lrev) == last): # sanity check
                # invalidate the cache

            partial, last, lrev = {}, nullid, nullrev
        return partial, last, lrev

    def _writebranchcache(self, branches, tip, tiprev):
        try:
            f = self.opener("branches.cache", "w")
            f.write(" features: %s\n" % ' '.join(self.branchcache_features))
            f.write("%s %s\n" % (hex(tip), tiprev))
            for label, node in branches.iteritems():
                f.write("%s %s\n" % (hex(node), label))
        except IOError:
            pass

4177:a7af0eeae8a3

demandload(globals(), "os revlog time util")

class localrepository(repo.repository):
    capabilities = ('lookup', 'changegroupsubset')
    supported = ('revlogv1', 'store')

    def __del__(self):
        self.transhandle = None
    def __init__(self, parentui, path=None, create=0):
        repo.repository.__init__(self)

        return self.branchcache

    def _readbranchcache(self):
        partial = {}
        try:
            f = self.opener("branch.cache")
            lines = f.read().split('\n')
            f.close()
            last, lrev = lines.pop(0).split(" ", 1)
            last, lrev = bin(last), int(lrev)
            if not (lrev < self.changelog.count() and
                    self.changelog.node(lrev) == last): # sanity check
                # invalidate the cache

            partial, last, lrev = {}, nullid, nullrev
        return partial, last, lrev

    def _writebranchcache(self, branches, tip, tiprev):
        try:
            f = self.opener("branch.cache", "w")
            f.write("%s %s\n" % (hex(tip), tiprev))
            for label, node in branches.iteritems():
                f.write("%s %s\n" % (hex(node), label))
        except IOError:
            pass